12.greatway proposal 11 04_27

COMPUNICATE TECHNOLOGIES INC. ADD：No. 901-905, Block B ( Office Section) Maples International Center, No. 32 Xizhimen

North Street, Haidian District, Beijing 100082 P.R.C.

Tel：+86 10 62272800 Fax：+86 10 62277908

Website：www.compunicate.cn

1

Greatway (CATV) System Project Proposal

Compunicate Technology Inc. 2011-04-27

http://www.compunicate.cn



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Index PREFACE....................................................................................................................... 4

CHAPTER 1 REQUIREMENT ANALYSIS ...................................................................... 6

1. REQUIREMENT ANALYSIS............................................................................................... 6 2. HEAD-END SYSTEM CONSTITUTION ................................................................................ 7 3. HFC NETWORK............................................................................................................. 7 4. RECEIVER SYSTEM........................................................................................................ 8

CHAPTER 2 TOTAL SOLUTION OF HEAD-END SYSTEM ........................................... 9

1. HEAD-END DIAGRAM ................................................................................................... 11 2. PRODUCT LIST............................................................................................................ 12 3. SYSTEM DESCRIPTION................................................................................................. 13

CHAPTER 3 HEAD-END HARDWARE PRODUCTS ................................................... 17

1. MPEG-2 SD DIGITAL SATELLITE DECODER.................................................................. 17 2. MPEG-4 SD DIGITAL SATELLITE DECODER.................................................................. 18 3. EM800 PLATFORM...................................................................................................... 20 4. SCRAMBLER (CTI S100) ............................................................................................. 21 5. MODULATOR (CTI Q101)............................................................................................. 23 6. NETWORK MANAGEMENT WORKSTATION ..................................................................... 24

CHAPTER 4 CTI CONDITIONAL ACCESS SYSTEM .................................................. 25

1 CTI CAS SUMMARY ..................................................................................................... 25 2 SYSTEM CORE MODULE (CAS) .................................................................................... 32 3 SMS MODULE.............................................................................................................. 47 4 SHORT MESSAGE PAYMENT MODULE............................................................................ 50 5 TECHNIQUE PARAMETERS ............................................................................................ 54

CHAPTER 5 SI-EPG SYSTEM .................................................................................... 56

1. SUMMARY................................................................................................................... 56 2. INTRODUCTION OF PRODUCT........................................................................................ 58 3. TECHNOLOGICAL PARAMETERS.................................................................................... 80

CHAPTER 6 STB......................................................................................................... 81




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1. MPEG-2 DVB-C STB................................................................................ 81 2. H.264 SD IP STB ...................................................................................... 83

CHAPTER 7 COMPUNICATE CLIENTS PROFILE ..................................................... 84

CHAPTER 8 QUOTATION........................................................................................... 86




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Preface

Beijing Compunicate Technologies Inc. is China’s leading supplier of DVB head-

end products and solutions.

Compunicate was founded in January 1997 by several scientists, experts, Ph.D

holders with background in image compression and digital video broadcast

technology. Since 1996, Compunicate has begun to participate in the

establishment of digital TV standards and the research and development of

corresponding products and systems, accumulating a wealth of experience in the

field of digital TV.

Compunicate insists on the independent R&D. Our products include different

parts of head-end infrastructure and value-added service platforms of digital TV.

Compunicate produced the first DVB MPEG2 encoder in 1998, deployed the first

Chinese DVB Simulcrypt Conditional Access system in 2000 which is one of the

CAS recommended by SARFT and launched the first fully integrated mosaic

system in the world in 2004. Since then, the system has been updated to the

third generation, and hold the first market share compared with similar products.

The products of Compunicate have been widely used in more than 60 countries

all over the world. Compunicate obtained certificate of conformity awarded by the

EU in 2007 and the certificate awarded by SARFT.

Compunicate has also undertaken many China National key R&D projects and

won "Silver Medal of National Science and Technology Achievement Award"

twice in the year of 2000 and 2002 respectively. By the end of 2008 and 2009,

Compunicate is awarded twice the “Top 10 National Brand” in broadcasting and

television area.

Compunicate has established quality guarantee system according to the

international standard and has gained ISO9001 certificate, which increase the




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company’s competitiveness and establish a firm basis for its sustainable

development.

From 2004, Compunicate has successfully entered the global digital video

broadcast market with its high-quality products and perfect service. By the end of

2010, Compunicate’s products have already covered more than 60 countries and

areas around the world. Thousands of hardware products are working under

stable status globally; Hundreds of value-added operation systems provide more

earning points

With the birth and growth of China digital TV, Compunicate has developed into a

reliable national enterprise, which has kept ahead in technology. Compunicate

provides digital TV platform solution for the digital TV, digital media operators.




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After 13 years of development, we formed an enterprise culture of honesty and

innovation. We constantly pursue excellence, emphasize commitment and

practice. We are willing to make contribution to the development of digital TV

industry together with our colleagues.

Chapter 1 Requirement Analysis

1. Requirement Analysis

The digital cable television or community antenna television (CATV) system

could provide the best quality TV programs to the spectators because the signals

are transmitted by hybrid fiber coax (HFC) network. The total system includes

head-end system, HFC network, and clients of STB and TV set.

Chart 1-1 CATV network structure

There are plenty of bandwitch in HFC network, so the number of programs

maybe more than 100. The programs could come from satellite, fibre, local TV

station.




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Moreover, the project should comply with international standards, such as DVB

and TCP/IP. The proposal should be advanced, practical, security, and openend,

which could be updated and expanded in future.

2. Head-end System Constitution

Basic Head-End Platform

The basic head-end system should receive all kinds of TV signal, and convert to

standard transport stream (TS), then broadcasting to the HFC network or IP

network. The mainly equipments include satellite dish, receiver, multiplexer,

modulator, CAS and EPG system, etc.

Conditional Access System

Based on the head-end hardwares, CTI-CAS, which includes CAS Core module

and SMS module, could support TV operators pay-TV service. The CAS Core

module works with scrambler to scrambling the transport streams, as well as

works with SMS module for managing subscribers, statistic, authority, and

account in order to guaranetee the business income and improve the

management.

Value-Added Service In the future, operators could add some value-added services, such as mosaic

navigation, video broadcasting, short message charge, etc.

3. HFC network

The Hybrid Fiber-Coaxial (HFC) network is composed of optical fiber main line,

coaxial cable branch, and access network. The fiber optic network extends from

the cable operators' master headend, sometimes to regional headends, and out




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to a neighbourhood's hubsite, and finally to a fiber optic node which serves

anywhere from 25 to 2000 homes.

4. Receiver System

The most popular receiver is Set Top Box. Recently the digital TV set sale is

increasing. The receivers should have the functions of demodulating, decoding

MPEG-2 signal, EPG display. Some advanced receivers could show data-

broadcasting content and support mosaic guide. If there are scrambled programs,

the corresponding descrambling funciton is needed.




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Chapter 2 Total solution of head-end system

The cable network could have plenty of programs, which come from satellite,

SDH, or local TV, etc. The quatity of equipments is mainly due to the program

sources. For example, if several programs are from the same satellite, and have

the same frequency parameters, they could be received by one satellite receiver.

However, if they are from different satellite, we have to use more satellite

receivers. The situation of SDH adapter is similar to satellite receiver.

Because the electromagnetic environment in HFC is very good, the modulator is

almost quadrature amplitude modulation (QAM). The mode of 64 QAM is

recommended by which the digital bitrate could achieve 38 Mbps in an 8 MHz

channel. If each program bitrate is 6 Mbps, 6 programs could be multiplexed in

one channel. If each program bitrate is 4.5 Mbps, 8 programs could be together.

The excess bandwidth about 2 Mbps is commonly used for CAS and EPG

packets.

Fomula is D * N * 188/204 = D * (lg QAM/ lg2) * 188/204

D is symbolrate, could be estimated like this: Bandwidth / (1+0.16), or the

common value in some countries. N is the logarithm of the QAM mode. In RS

code, a 204 bytes packet is used to transmit 188 bytes net data.

Here are some reference parameters below.

Bandwidth Symbolrate 32QAM 64QAM 256QAM

7.975 MHz 6.875 Msps 31.679 Mbps 38.015 Mbps 50.686 Mbps

6 MHz 5.057 Msps 23.302 Mbps 27.962 Mbps 37.283 Mbps

Table 2-1 Bitrate in different environments




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Now, we designed this model project proposal for farther discussion, which could

be changed in the future. However, the principle and experience is constructive

and valuable.




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1. Head-end Diagram




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2. Product List

Presupuesto

N° Decripciòn MODELO CANT. Precio Unitario Total

1 RECEPTORES SATELITALES

SCIENTIFIC ATLANTA POWERVU D9850

8

COMPUNICATE-DVB-MPEG-2 IRD

D100+ 31

COMPUNICATE-DVB-MPEG4 SD

D100+ 5

Total Receptores DVB 44

2 MULTIPLEXORES

COMPUNICATE-MUX EM800 10

COMPUNICATE-ASI INPUT CARD (EM800)

13+1

(Backup)

3 Escrambler / MODULADOR

COMPUNICATE-SCR S100 10 COMPUNICATE -QAM Q101 10

4 CAS / SMS COMPUNICATE-CAS CTI 1

COMPUNICATE-SMS CTI 1 DVB-C & IP STB CTI 5000 5 EPG CTI 1 EPG software CTI 1

SI Injector CTI 2




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Comment: Some TV programs could be received by same receiver Table 2-2 Product list

3. System Description

The recommended head-end solution includes mainly Compunicate products,

and some our purchased products in long term, which benefit quick supply and

easy intergration. In the stage of construction, operators could consult this

system for bidding sub-systems respectively in order to use the best product. We

are glad to support in technique and engineering as always.

4.1 Satellite program

There are two kinds of satellite programs which have to be received my

Powervu9850 or free-to-air (FTA) SD & HD program. The free program could be

received by MPEG-2 SD or MPEG-4 SD satellite receiver.

In cable network, the satellite programs could be transmitted without encoding.

So the receiver should output TS stream directly which maybe including several

programs (MPTS). If several programs have the same frequency, symbolrate,

polarization, and they are from the same satellite, they could be transmitted by

the same receiver.

4.2 Signal Process (multiplex, scramble, modulate)

All the output signals of receivers, enter into the multiplexers and scramblers.

Here we suggest use EM800 Platform (including ASI input cards) which can

support ASI and IP output and S100 Scrambler for DVB-C STB and IP STB..

Compunicate EM800 Platform supports 4PCS ASI input cards in 1U chassis at

most and each ASI input card can support 4 ASI input (SPTS or MPTS), supports

ASI and IP outputs.




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The EM800 platform could multiplex all input transport streams into one multi

program transport stream (MPTS). The scrambler could scramble the clear TS

stream into scrambling TS stream by interchanging message with CAS system.

The newwork management system could monitor all ASI port by GUI interface,

support editing NIT/PAT/PMT/SDT/CAT tables and transferring all tables.

The scrambled streams enter modulator and transmitter for broadcasting over

carrier waves.

4.4 Electronic Program Guide

Compunicate SI-EPG system could insert service informations (SI) into transport

streams, including detailed event information table (EIT) which could be used for

electronic program guide (EPG) service.

SI-EPG system has Client / Server structure, based on network and distributed

database system. The software module could be distributed on several

workstations and servers or installed in one server. In this case, it is enough to

use one edit workstation, one SI server and one SI injector.

Actually, the SI-EPG system could not only send EPG information, but also send

all SI information. These informations have different feature in application. The SI

information is needed to be edited only when the DTV head-end system begin to

establish or change. It may keep long time without any operation. However, the

EPG information should be changed daily, weekly, or monthly. So the SI-EPG

system supports program schedule import and export of many TXT and XML

format to improve efficiency.

Moreover, the SI-EPG system has lots of powerful functions, such as online edit

and offline edit, multi languages, word check, schedule censorship, etc. Specially,

the system could support new mosaic navigation descriptors in which some of

our inventions have been adopted by lots of international companies.

4.5 CAS & SMS




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CTI-CAS system manages all subscribers, environment, accounts, and

authorization informations by means of distributed workstations, servers and

database. The CAS connects to scrambler with standard interface to send

authorization message to the receivers.

CTI-CAS core module includes EMM generator (EMMG) and ECM generator

(ECMG). ECMG gets access criteria (AC) information and control word (CW)

from the simulcrypt synchroniser (SCS) module of scrambler, then generates

encrypted entitlement control message (ECM) information and returns it to SCS

by standard interface. EMMG generates encrypted entitlement management

message (EMM) from SMS database, then submits it to scrambler for

broadcasting. All transfer of the ECM, EMM is encrypted professionally for high

security.

SMS module is another important module of CTI-CAS which has payment,

distributing smart cards, query, print invoice, statics functions and so on. All

subscribers’ information is managed by SMS which has kinds of interface with

other system outside. For example, EPG interface, short message charging

interface, bank interface, etc.

CTI-CAS supports channel, subject, level, event process, and PPV, IPPV

functions, has flexible addressing, Bmail and on screen display (OSD) message

functions, etc. The standard system could support 3,000,000 subscribers, and

could be upgraded smoothly.

CTI-CAS accords with international and national stardards completely. It has

open interfaces for third party systems, has work well with many scramblers,

BOSS systems and STBs in hundreds of projects all over the world.

4.6 Summary

So the head-end solution is designed mainly with Compunicate products. We

could provide first class engineering service and advanced hardware & software




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development service in order to satisfy then function, application, security,

continuable demands of different operators. More details please see the chapters

followed.




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Chapter 3 Head-end Hardware Products

1. MPEG-2 SD Digital Satellite Decoder

Chart 3-1 MPEG-2 SD satellite decoder

D100+ MPEG-2 SD IRD series are high performance-to-price ratio IRDs. User

may insert up to two PCMCIA CA modules to decrypt various encrypted systems,

such as Conax, CryptoWorks, Irdeto, NDS and Viaccess etc. Easy to use, low

maintain cost and flexible factory optional make the DCH-3000P the best choice

for CATV digital headend system.

Features

* Fully comply with DVB-S/C/T and MPEG-2（MP@ML）standards

* Up to 2 Common Interface slots (PCMCIA) that can support any encrypted

systems on the market

* Switchable output between the two PCMCIA slots

* ASI Input factory optional

* TS loop through output for further decrypting

* CVBS video and balance stereo audio XRL output

* Transparent decryption ASI output or non-decryption output switch

* Friendly user interface

* Auto network or transponder search function and code stream information

update

* Store up to 2000 channels




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* Video PID and audio PID setup

* Support OSD teletext (DVB ETS 300 706) and caption function

* 256 color OSD, support various languages

* EPG function, support PIG (Picture in Graphics) display

* Automatic PAL to NTSC conversion and vice-versa

* Software upgrade via RS-232 interface

* Automatic last channel memory

2. MPEG-4 SD Digital Satellite Decoder

Chart3-2 MPEG-4 SD satellite decoder

Features

Parameter Video decoding format

MPEG-1, MPEG-2, MPEG-4, H.264, Microsoft VC-1

Decoding Format

Audio decoding format

MPEG 1 Layer I/MPEG 1 Layer II, AAC-LC/AAC-HE, Dolby® AC-3, WMA/WMAPRO

Standard EN50083-9 Connector 1×BNC (F) 75Ω Input bitrate Up to 160 Mb/s

DVB-ASI Input

Packet length 188/204B Standard EN300 429 Connector 1×F(F), 75Ω Input Frequency 51 - 858 MHz Tuner Input Symbol Rate

1 - 7 MS/s (PAL) 1–6 MS/s (NTSC)

Max Bit rate 72 Mb/s

DVB-C Input

Demodulation 16QAM/32QAM/64QAM/128QAM/256QAM Standard EN 300 744

Connector 1×F(F), 75Ω




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Frequency range 146MHz to 862MHz Input level -87dBm to -20dBm Input impedance 75ohm Data rate 31.67Mbps IF band width 7MHz, 8MHz Transmission mode

2K FFT, 8K FFT

Constellations QPSK, 16QAM, 64QAM Convolutional code rates

1/2, 2/3, 3/4, 5/6, 7/8

DVB-T Input

Guards intervals 1/4, 1/8, 1/16, 1/32 Standard EN300 421, EN302 307 Connector 1×F(F), 75Ω Demodulation DVB-S, QPSK, DVB-S2, QPSK and 8PSK Frequency Range 950 - 2150 MHz Tuner Input Symbol Rate

1 - 45 MS/s (DVB-S) 1 – 37 MS/s (DVB-S2)

Max Bit Rate 72 Mb/s FEC DVB-S: 1/2, 2/3, 3/4, 5/6, 7/8

DVB-S2 QPSK: 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 DVB-S2 8PSK: 3/5, 2/3, 3/4, 5/6, 8/9, 9/10

DVB-S2 FEC Frame

Normal Frame

DVB-S2 Input

LNB Power 13V, 18V ON/OFF，22 kHz ON/OFF Connector 1×RJ45, 10/100 BaseT Max bit rate 70 Mb/s Protocol UDP/RTP

10/100 BaseT IP Input

IP Format Unicast/Multicast ASI Standard EN50083-9 DVB ASI Output Connector 2×BNC (F), 75Ω Connector 1×RJ45, 10/100 BaseT Protocol UDP/RTP IP Format Unicast/Multicast Max bit rate 70 Mb/s

10/100 BaseT IP Output

IP channels 16

CVBS Connector 1×BNC (F), 75Ω Connector 3×BNC (F), 75Ω YPbPr Resolution 1080I@60,1080I@50,720P@60,

720P@50,480I,576I

Video output Format SD/HD




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Connector 1×BNC（F），75 Ω SDI Resolution 1080I@60,1080I@50,720P@60,

720P@50,480I,576I Audio format One pair Stereo Analog

Audio Connector 2×XRL,600 Ω Audio format AES/EBU Digital

Audio Connector 1×BNC（F），75 Ω Audio format 2 Pair Stereo

Audio Output SDI

Embedded Audio

Connector 1×BNC（F），75 Ω

DVB Common Interface CA 2×PCMCIA

Front panel and LCD Realmagic SNMS Remote SNMP Control

Management

Web based interface Size (W×D×H) 482×252×44mm Power Supply 110/240VAC Weight 3.5Kg Operating Temperature

0°C - +50°C

General

Humidity 5 - 95%

3. EM800 Platform

EM800 platform is a new multimedia platform of CTI, which integrates encoder,

multiplexer and scrambler into 1 RU chassis by kinds of cards. It supports 8

channels MPEG-2 / H.264 encoding, 16 channels multiplexing or scrambling,

with ASI and Gigabit output.

This product is suitable for digital TV head-end establishment or expansion.

EM800 has the advantage of stable performance, good compatibility, high

integration, and easy operation. It can save maintenance cost and space for

operators.




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Chart3-3 EM800 Platform

Main Features

l Max 5 module slots, 4 of them are input, another is I/O module

l Input module is encoder or multiplexer

l I/O module has ASI output and Gigabit input & output

l IP encoding output complying with UDP/RTP protocol

l Multiplexer module with scrambling function

l Network management system for multi products

l Local monitor: button and LCD screen

l Remote monitor: TCP/IP, XML protocol

l Software update: RS-232, Ethernet (TCP/IP)

General Features l 1U, 5Kg

l 484mm(W) 44mm(H) 306mm(D)

l 110~220V±10%, 50Hz/60Hz, 25W

4. Scrambler (CTI S100)

S100 Scrambler is a 1U highly integrated product, which is mainly used for digital

TV program scrambling. It supports DVB simulcrypt scrambling standard. With

the control words generator embedded, it can scramble the MPEG transport

stream and produce scrambling control words, use fixed or variable control words

to scramble, support service level and component level scrambling. With

external network management , the remote management can be accomplished

by one PC installing the browser.




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Baseband signal and additional data multiplexing comply with ISO/IEC-13818

standard. The scrambler output interface is DVB standard ASI interface. The

RJ45 Ethernet interface supporting TCP/IP protocol is used for the connecting

with CA and network management.

Chart3-4 S100 Scrambler

Main Features

Supporting DVB hardware scrambling

Supporting DVB common scrambling algorithm

Supporting DVB simulcrypt interface, supporting simulcrypt of 4 CA at the

same time

Supporting BISS-1，BISS-E

PSI/SI information analysis and edit function

Supporting input date rate monitor and error monitor, input stream error warning

Real-time input status monitor

Supplying standard CA interface

Supporting EMM and ECM insertion

Supporting IP data input interface

Low delay, the delay less than 100ms for MPEG-2 program

Embedded design

PCR correction

Monitor: Ethernet (TCP/IP) SNMP

Software update: Flash hardware RS-232 Ethernet (TCP/IP)

General features

l 1U, 4kg

l 484mm(W) 44m(H) 390mm(D)




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l AC 220V±10%，50Hz，20W

5. Modulator (CTI Q101)

Chart3-5 QAM Modulator

Q101 QAM Modulator is a broadcasting-level digital QAM modulator which

modulates SPTS and MPTS coming from encoder, multiplexer, DVB gateway,

scrambler and video server etc supplies with output of IF or RF.

Main Features

Ø 16/32/64/128/256 modulation

Ø Supporting 3 types of PID filter/selection mode

Ø Supporting SI information table editing (NIT,SDT) and customizing

Ø Supporting log operation and events record

Ø IF or RF output can be selected

Ø According to ITU-T J.83 DVB-C standard

Ø High precision PCR adjusting, the precision of PCR <100 ns

Ø Intelligent cushion control function (low delay, resistance of instantaneous

overloading

Ø Temperature monitor protection function

Ø -20dB testing output (F type)

Ø ASI input loop output (BNC)

Ø Parameter setting through the LCD in front

Ø 10/100M Ethernet control interface

Ø Supporting hot copy and auto level control




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Ø Operation password setting

General features

Ø 1RU, 5kg

Ø 484mm(W) 44mm(H) 400mm(D)

Ø AC100V-240V, 50Hz/60Hz, 30W

6. Network Management Workstation

All of the Compunicate products could be managed through TCP/IP network.

The network management system (NMS) software could be used to config

parameters and monitor status of equipment remotely.

Compunicate NMS software could run on Windows operation system, local and

remote control and monitor the head-end system expediently.

Chart3-6 NMS software interface




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Chapter 4 CTI Conditional Access

System

1 CTI CAS Summary

1.1 Introduce

CTI CAS is a high-security conditional access system that never been broken. It

has been used in more than 200 projects with over 5 million subscribers in 60

countries.

CTI CAS has many secure techniques including high-security chipset solution,

multi-layer keys, independent developed encryption algorithm, EAL 5+ level

smart card and so on. It has obtained the class A certificate and is recommended

by State Administration of Radio Film and Television (SARFT).

CTI CAS can support DVB simulcrypt standard and lots of functions, such as

PPV, IPPV, VOD, PUSH VOD, prepaid, multi-TV, region control, STB paring etc.

It can provide a secure, stable, powerful, flexible and standard compatible

conditional access system and billing solution for digital TV operators.

CTI CAS includes:

Principal module:

l System Core Module (CAS)




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Optional modules:

l Subscriber Management Module (SMS)

l Program Management Module (PMS)

l Short Message Payment Module (TVM)

l Bi-directional Enhanced Module (BCA)

l Pre-Encryption Module (PRCA)

Chart 4-1-1 CTI_CAS Architecture

Here we recommend System Core module and SMS module for normal DTV

platform.




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Chart 4-1-2 CTI_CAS redundant system structure




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Chart 4-1-3 CTI CAS in rack

The TVM module and PMS module can be considered for advanced functions

such as prepaid or IPPV. If there is VOD or PVR application, the PRCA module

will be needed. Moreover, the BCA module can protect the important message in

the bidirectional network.

1.2 Components Brief

System Core Module (CAS): It is the basic module of CTI CAS including ECMG,

EMMG, EIS and database which provides the normal functions such as register,

entitlement, Bmail etc. System core is comprised by three parts: headend system,

STB core, and smart card.

Subscriber Management Module (SMS): the processing, the maintenance and

the management of the subscriber information, subscribers’ equipments

information, programs ordering information, subscribers’ authorization information,




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and financial information, providing meanwhile the basic data of subscribers’

authorization management for the other subsystem.

Program Management Module (PMS): As database application software, PMS

links efficiently the description of digital TV operation (service), the description of

digital TV program information (event), the scrambling control of digital TV and

the definition of digital TV products, providing control data and management data

for the function of CAS. Cooperating with the other systems, PMS helps to form

one integrated operation process including: program scheme (program guide and

management), the control and the management of authorization (conditional

access) and charge management.

Short Message Payment Module (TVM): providing for the broadcasting

operators multifarious value-added services as: charging by short message,

balance query, product order, transition, customers complain and service help etc

by the short message gateway and short message server to transfer the short

messages.

Bi-directional Enhanced Module (BCA): based on the function of the CAS core

module, using the secure bidirectional information returning channel, the PKI

technology and digital sign, digital certificate to improve the confidentiality,

authentication and incontestableness and to provide for the operator a more

reliable manner to ensure the security of online alternative operation such as:

VOD, online game, puzzles and purchase etc.

Pre-Encryption Module (PRCA): The pre-encryption system scrambles the

video and audio streaming files and multiplexes the key with the encrypted video

and audio streams together. The STB must be online to receive authorization for

watching. It is used for VOD, PUSH VOD, PVR applications.

1.3 CTI CAS Features

l DVB Standard




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CTI CAS complies with DVB Simulcrypt standard. The CAT, ECM, EMM are

supported and some interface is open to other DTV system. It could be integrated

with all kinds of DVB products, including scrambler, SMS, STB, CAS, Middleware

etc.

l Security

CTI CAS has never been broken. There are many advanced technique, such as

multi-level encryption, self-developed algorithm, operation system in card, EAL

5+ level smart card, security chipset for STB, etc.

l High-Security Chipset Solution

It is the newest secure method for client device that is against control word

redistribution (CWR) and device software tempering. There is a secure channel

between smart card and descrambling chipset where the CW is encrypted. Every

chipset has unique identify and the public/private keys system protects the

software in the memory of STB.

l Multi TV

The master / subsidiary cards are applied for multi TV and STB in home. Then

the operator could provide different price for the second or third STB in a family.

l Region Control / Pairing of card and STB

These functions can help the operator to manage subscribers in different regions.

l EIS / PMS

The EIS / PMS can exchange the event information with EPG system, and

provide event database for ECM generator or other systems.

l PPV / IPPV-T

CTI CAS supports OPPC, OPPV, and IPPV. Moreover, we created IPPV-T

function by which subscribers can watch the unordered channel and pay by time.

l Prepaid by mobile message

CTI CAS can support TV message system, which could send and receive short

message with mobile phone. Then operators can sale prepaid card at shops or




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supermarket, the subscriber can buy it and charge or order product via short

message of handset.

l Pre-Encrypt for VOD

The Pre-Encryption is a new function for video on demand service. The program

file could be encrypted and saved at storage array of VOD system. It could only

be watched online and could not play without authority.

l Audience Statics (rating)

In bidirectional network, the STB could response the statics information. So it will

be easily to know the most popular program and the golden period in various

channels for advertisement.

l Redundant

The important servers in the system have hot-backup. The database could be

updated to backup server automatically. So if there is any critical error, the

system could be restored in short time.

l Local Program Insert

If there are several local programs in the sub headend, these programs could be

scrambled by the local scrambler or multiplexer or IPQAM device. Some

important messages such as ECM / EMM can be transmitted between the CAS

at main headend and the scramblers at sub headend by the VPN network.




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2 System Core Module (CAS)

2.1 System Summary

The system core module (CAS) is a high-security DVB simulscrypt conditional

access system that supports DVB common scrambling equipments. It uses

several standard encrytion algorithms, Compunicate encryption algorithm and

multi-layers encryption system. Moreover, it can support the high-security chipset

solution and EAL5+ smart card.

Chart 4-2-1 CA system core module structure

The system core module of CTI_CAS is constituted of head end system, CA core

software, smart card system.

l Headend system

It takes charge of scrambling control of digital video and audio programs by

hardware and CAS software.

l CA core software

It is integrated on the chipset of certificated STBs which get control word (CW)

from smart card and descramble the TS stream.

l Smart card system




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It includes smart card and distribution system. The smart card is different for

every subscriber of different TV network.

2.2 Main Functions

l The registration of new subscribers

The registration of new subscribers requires registering the basic information of

the customers, such as the user name, address, contacting number, number of

smart card, card address information and ordered product information etc. After

registered successfully in the SMS module, the customer information will be

transferred from the interface between SMS and CAS to CAS system, of which is

partly broadcasted by CAS to the customer’s smart card.

l suspending, resuming and annulment of the subscribers

The operator can chose to suspend, resume or annul the service which the

subscribers have ordered according to their needs. The subscribers will not be

able to watch the scrambled program after the operator suspends the

authorization. If the subscriber is annulled, the smart card will not be available.

l Emergency authorization

The emergency authorization function is set for sending rapidly the authorization

to the subscribers. The CAS system sends rapidly in a certain period the

authorization information to the subscribers who can immediately receive the

ordered program on the STB.

l Pre-authorize of program channel

The subscribers can reserve the program by the pre-authorization function of

CAS. And the authorization will be invaluable after the program ends.

l Annulment of the channel authorization




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The reservation could be annulled according to the demand of the subscribers.

And relevant scrambled channels will not be able to be watched after the

annulment.

l OSD sending

CAS supports the information sending. The long text can be broadcasted as

MAIL to the subscribers’ STB and then be read on the TV. The subscribers can

also receive the short message of the operators as OSD on the TV screen. The

direct, convenient and non-traditional OSD mode saves largely the human and

material resource.

l Multilevel CA technology

CTI_CAS supports multilevel management by using one CA system. The chief

authorization center is set in the main district where the unique CAS is installed.

Every divisional district has its own SMS by which the SMS information is

transferred to the authorization center of the main district. The authorization

information is sent together by the center so that the authorization for the

divisional districts is controlled by the main district as well as the divisional

districts hold the right to the management of its own subscribers.

l Algorithm admitted by National Commercial code committee

The CTI_CAS has complied with multi encrypt algorithm, such as: DES, 3 levels

DES and CTI developed independently algorithm which is admitted by National

Commercial code committee.

l National Commercial code committee pointing manufacturer

The CTI is on the examination for the pointing manufacture by National

Commercial code committee.

l Mother and seed card control




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To satisfy the needs of different favors for TV programs of family members, the

powerful and flexible CTI_CAS provides the function of mother and seed card

control to ensure that the subscribers watch their favorite programs on different

STB at the same times. Several smart cards can be distributed to one subscriber,

one of which is mother card and the others are seed cards. The main difference

between mother card and seed card is that the available period of the seed card

is limited. The duration can be configured according with the need of the

operators from 1 min to 40 days. To receive normally the scrambled programs,

the seed card should acquire the authorization from the mother card STB. During

the operation, the property of mother card and seed card can be exchanged by

sending EMM authorization information. However one mother card should be

guaranteed.

l Sharing group authorization

The CTI_CAS supports various addressing function, including personal

addressing, sharing address and group addressing, and logistic addressing, by

which the operators can configure different audience property, can authorize

totally the subscribers group who have special connection and can sending

information in best times.

l PPV / IPPV / IPPV-T

The CTI_CAS provides various program ordering modes: PPV, IPPV, IPPV-T etc

which the subscribers can self determinate. This function needs PMS module.

l User card charge

The CTI_CAS provides user card charging function. The subscribers can charge

in the operating hall and the charging information will be recorded by SMS and

write to smart card by EMM. The short message charging is also supported.

l Smart card deleting




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The smart card deleting function helps to protect the operators’ profit and

controls effectively the distribution of pirate cards. The operators can delete

simply the number of smart card pirated to prevent unallowed subscribers from

watching scrambled programs.

l District control

The CTI_CAS can send different district codes to STB in different districts

corresponding. Meanwhile the district codes will also be written into the smart

card according with the subscribers’ addresses. To watch normally the TV

program, the district code in the smart card should match to the one sent by the

system. The function enhances the flexibility of selling strategy and ensures the

security for the operators. The STB should bind with the smart card to prevent

the circulation of smart card in current district.

l Machine and card match

The STB should bind with the smart card which means one STB supports only

the matching smart card, protecting effectively the operators’ profits.

l Key updating

On account of the aperiodic CW updating for 5 seconds to 10 seconds, the

CTI_CAS is able to keep high security. All keys update termly by sending

renewed EMM information.

l Encryption algorithm selection

The common encryption algorithms, including DES and 3DES, and special CTI

encryption algorithm are used to ensure the high security of data and CAS.

l Anti- recording tag

The permission of program recording can be admitted of forbidden by configuring

the transferring programs.




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l Finger print technology

The electronic finger print technology of the CAS protects the copyright of

valuable programs. The finger print information is stuck to the protected

programs for copyright tracking to protect the operators’ profits.

l Parents level control

The CTI_CAS can set level limited information for broadcasting programs to

allow the subscribers to use password for different level programs depending on

family members’ situation which prevent the minors from watching inappropriate

programs.

l TVM interface

The TVM module is one of the most important extended modules of CAS, which

supports account querying, charging, purchasing and annulling operations by

sending messages.

l Card number control

The card numbers can be updated by CAS while the operation is extending. The

subscribers will not be able to watch normally the scrambled programs if their

cards are not updated. This function protects effectively the operators’ profits.

l Obliged programs switching

The programs switching function can oblige the subscribers to change to the

special channel which broadcasts important information as earthquake, flood or

international affairs etc.

l TV watching period control

The subscriber can set the watching time on the STB according with his own

need. This function enhances the controllability to the programs of the

subscribers.




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l Redundancy system

The redundancy system contains two parts, one of which is for the application

program backup of CAS by using special software which ensures that one of the

servers will keep corresponding to the accessing and that the application

program of CAS works uninterruptedly. The other part takes charge of the

backup for database. Once the fault is detected, the accessing will be switched

automatically to the backup database server to ensure the security of the data in

the server.

2.3 Highlights

l Complying with DVB simulcrypt standard

l The first CAS provider in China

l Technique criterion and structure complying with relevant international and

national standard

l Supporting scrambling and encryption technology integrating

l DVB-CA and IP-CA technology experiences

l Firstly simulcrypt with other CAS in China

l Integrated with a lot of scrambling products in the world

l Lots of application cases of CAS in cable, satellite and IP Ethernet

environment, plenty of experiences on the construction of CAS and digital TV

platform.

l Complying with international and national relevant standards

l Supporting over 10 million subscribers and 2048 services

l Great working efficiency, capable to authorize rapidly even on the condition

of small bandwidth

l Strict anti-hacks security technique to protect the operators’ profits

l Multi technologies as: smart card technique, security algorithms and CW loop

encryption etc to ensure normal receiving of legal subscribers and to prevent




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the illegal receiving

l The subscribers’ authorization information and programs accessing

information are always encrypted to transit to prevent the illegal monitoring.

l Machine and card matching function allows unique card to work on one STB.

l Valuable period for authorization information to prevent the subscribers from

receiving programs over the valuable authorization duration

l Developed independently COS smart card to guarantee the security

l Standard system structure convenient for updating

l Supporting redundancy system to ensure the resuming of system from

serious errors

l Supporting distributed system structure

l Supporting multi-SMS

l Remote system management tool to help detecting the situation of system

and each component

l Satisfying bidirectional mutual functions

l Supporting lots of programs packing and selling modes, including products

selling, PPV, VOD etc.

l Flexible price modes which allows to sell one program in different product

packs

l Several addressing function, including: individual addressing, group

addressing and logistic addressing

l Districts control or other control modes according to addressing manner

l Data information displaying function as B_MAIL and OSD

l Supporting mutual and data operations

l Supporting OPPV selling in manner of event

l Supporting IPPV, IPPV-T

l Supporting broadcasting in turn mode NVOD operation

l Supporting Cable Modem back transmission mode

l Supporting a lot of scrambling equipments, SMS and STB to provide more




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choices for the operators

l Complying with DVB Common Scrambling algorithm

l Multi-levels key for protecting the transmission of ECM and EMM information

l Sending information in the air periodically to change the subscribers’ multi-

levels key, conversation key or authorization information in order to

strengthen the capability of anti-attack

l Based on Ethernet head end system developing, flexible use and

configuration in the Ethernet environment

l Parents levels control: capable for parents to set password for programs

accessing control

l Anti-recording: anti-recording tag to control programs recording by receiving

equipment

l STB programs downloading or smart cards encryption algorithms

downloading: downloading application programs to STB or smart card to

change the function of receiving and control

l supporting obliged channels switching

l supporting watching period control

l Providing TVM platform interface

2.4 Headend System

The headend system includes Compunicate CAS software and third party

devices such as PC servers, workstations, network swithers, KVM, smart card

readers etc.

Here are the Compunicate CAS softwares below.

l ECMG

l EMMG

l EIS

l Clock synchronization processing




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l License control

l AC_EDIT

l SI processing

l Encryption control system

l CAS control commands editing

l PMS interface

l SMS Interface

l CAS Event Interface System

l CAS Cache Monitor System

l Database management system

l Network Management System

2.5 CA core software




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Chart 4-2-2 CA core software

STB receives scrambled TS and filters out the ECM and EMM information, then

sends it to smart card by means of the CA core software. There are special

regulars and commands between the STB and the smart card that is already

integrated inside the CA core software.

After receiving the ECM, EMM information, by interrelated processing, the smart

card will write the authorization information into the subscribers’ authorization

data area, and unscrambles CW in accordance with the authorization condition

and pointing key, and send it to STB. Then STB will pass CW to descramblers.

The program can be normally watched only if the descrambling CW is correct. If

the high-security chipset is used in STB, the CW will only appear inside the

chipset.

The CA Core software system receives and processes ECM, EMM information

sent by CAS, obtains descrambling CW and sends it to descramblers. It provides

meanwhile the additional information related to CAS for receiving devices for

displaying.




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2.6 Smart Card System

Chart 4-2-3 CTI Smart Card

2.6.1 Smart Card

The smart card contains hardware and software. The hardware is a smart

chipset on a plastic card. The software is the card operating system (COS) and

private applications developed by CTI.

Several smart cards are used in CAS, including: system mother card, system

control card, system key card, terminal users’ cards. The system mother card is

system total control card which takes responsibility of generating other card and

provides basic data. System control card is used to control the license right and

relevant basic parameters of each module. The system key card is startup key for

all types of cards to ensure the validity of card uses. Terminal users’ card which

is for uses of the subscribers, can provide authorization of teleview for them and

make sure that the legal subscribers watch normally the paying programs.




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The smart card, which is a plastic card, has an embedded IC chip containing

CPU and ROM, EPROM, RAM EEPROM. This embedded chip, which maintains

hardware and software protecting and secrecy processing technique, connects

externally through asynchronism bus interfaces and uses CPU for serial I/O link

control. To prevent effectively the illegal attacks, the memorizer embedded in the

chip can not be accessed externally. The main features are as the following:

l Storage capacity: its internal storage capacity from a few dozen to a few

dozen bytes K bytes

l Complicated security algorithms: hardware supporting symmetrical DES

accelerated algorithms, maximally supporting 2 random data generator,

capable for high level self encryption function.

l High level security: special hardware logistic design for encrypted IC card,

the configurations of reading and writing feature in several areas of IC card

are controllable, which is to ensure unchangeableness of the information in

IC before the password is checked. The IC will lock automatically to prevent

the writing operation if the password is wrong. The matching of entering

password and system setting password is obligatory for system accessing. At

present, CTI smart card has obtained EAL5+ certificate.

l High reliability: IC card Magnetically-shielded, anti-static, anti-interference

capability and more reliable than magnetic card. Information can be read and

written 10-500,000 times, use time from 10 to 100 years.

l Low requirement for network: the absolute security reliability of IC card allows

the lower demand for real-time and sensitivity of network during the

application which enable to apply the system in lower network environment.

l The reading and writing structure of IC card is simpler, more reliable, cheaper,

and easier for extending than magnetic card. Simple maintenance.




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Chart 4-2-3 EAL5+ level certificate for smart card




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2.6.4 Distribution System

CTI smart card distribution and management system is specially designed for

pay- TV and digital broadcasting. The special layered smart card distribution and

management is designed according to CAS operations regulars and to ensure

the security of pay-TV. Based on different levels and different uses, the smart

cards will be divided into the mother cards, key cards, system control cards,

terminals users’ cards etc. The data structure and application programs are

different. The whole distribution and management is divided into several layers

including: mother cards distribution and management, system control cards

distribution and management, users’ cards distribution and management. The

smart cards of each layer manage and restrict the distribution work of next layer.

At the same time, the improved key generation system, mature encryption

algorithm and smart card matching to key card technique can be fully verified to

ensure the security of each layer.




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3 SMS module

3.1 System Summary

CTI_CAS SMS module is an integrative operation management platform by

which the operators can provide multi-services to the subscribers. It can send

authorization data to CAS according with the ordering situation of subscribers

and charge meanwhile. Utilizing the bank network characteristic as secrecy,

security and rapid fund circulation etc, it can implement the charging function by

cooperating with bank system and monitor and analysis function through the

interface with bank system.

As the pioneer SMS developed independently in China, CTI_CAS SMS module

already has mature system structure and product module, complies with

EUROCRYPT standard made by European Electronic Standards Committee and

all the standard made by State Admission of Radio, Film and Television.

3.2 Main Features

l Managing subscribers’ information about paying, recharging, installation,

change (returning) IC card/STB/service etc

l Sending authorization data to CAS according with subscribers’ ordering,

paying situation

l Managing automatic bank recharging, charging by card

l Surveying, querying function (which provides effective ways for report form

statistic, analysis forecast, finance management etc)




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3.3 System Characteristic

l Supporting multi-levels system management, router exchanging technology

for multi-layers network

l Adapting to the complex condition of required network

l Based on large-scale network database system, constituting client/server or

web/server network structure

l Running on various databases platforms as Oracle, Sybase, and SQL Sever

etc

3.4 System Structure

According with the different management function, SMS module is divided into

five standard modules and three selectable modules. 5 standard modules are

general management module, querying management module, control

management module and statistic report forms management module (gift); 3

selectable modules are bank management module, charging card management

module and short message management module.

Chart 4-3-1 SMS system structure




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4.4.1 General Management Module

The general management module possesses the functions as subscribers paying

and recharging, programs ordering/canceling, service suspending / resuming,

returning / changing STB and IC card (the model of invoice can be modified

according with customers’ needs in different areas).

4.4.2 Environment Management Module

Environment management module manages mainly the basics data for

management system running, as area codes, products information, departments,

personnel, function authorizing, operating password and operating rights etc.

4.4.3 Control Management Module

Control management module is mainly for the management of system running

environment, subscribers’ serial numbers generating regular, products selling

regular and time displaying modes etc.

4.4.4 Querying Management Module

This module supports various convenient querying manner and combines with

operating right to provide advantaged supporting to concentrated database and

multi-levels management.

4.4.5 Statistic Report Form Management Module

Statistic report forma management module supports diverse report forms/figures

(subscribers’ distribution, subscribers reserving/canceling details, subscribers’

card/STB time information etc). The report form and figure can be designed

according with users’ demands. It contains business report forms of each time

period, subscribers’ information report forms, subscribers’ ordering collecting

forms and relevant figures in order to reflect directly the diverse system

parameters and operating management status of programs providers.




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4.4.6 Bank Management Module

Using fully the bank system technology and the effective, exact and safe devices,

bank management module controls charging, credit and profits distribution.

The subscriber signs contract with the programs providers to reserve some or all

the channels and audience time which is minimally by month. The programs

provider informs the bank monthly to transit the fund from the subscriber’s

account to its own account and sends programs authorization to allow the

subscriber to receiving programs.

4.4.7 Charging Card Management Module

This module supports charging account by charging card, provides a simple

paying mode for the subscribers.

4.4.8 Short Message Management interface

Short message management interface connects with short message payment

module (TVM) of CTI-CAS. The subscribers can query account, charging and

ordering products by sending short message. The interface between the short

message management module and short message payment module processes

the subscribers’ information and stores it to the database of SMS module.

4 Short Message Payment Module

4.1 System Summary

Short message payment module, namely TVM platform, provides short message

center for TV station and Network Company. By the short message transferring

through short message gateway and server, it provides diverse value-added




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businesses for the broadcasting TV operators as short message charging, short

message querying, products ordering, fund transition, services complaints and

services helps etc.

Chart 3-4-1 Short Message Payment Module System Structure

4.2 Main Features

l Supporting remote charging function for digital TV account by mobiles

l Supporting balance querying, products ordering and fund transition etc

l Supporting diverse value-added services

4.3 System Characteristic

l Modularization design, supporting flexibly various head end system,

terminals, mobile operators, value-added operator and diverse new services

l Supporting CTI_CAS core module and bidirectional enhanced module,

supporting common STB and bidirectional STB

l Flexible, improved billing system and working process, supporting various

billing and sharing profits modes

l Short message server provides database and HTTP services, stores all the

information, supports clients browsing

l GSM/CDMA modem supports several local SIM card and supports also the

TV users to query account by short message.




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4.4 System Structure

Short message payment module is mainly composed by short message gate way,

WEB server, database server, network management working station and

GSM/CDMA modem.

l Short message gateway: connecting with network, being able to receive and

transfer mobile short message. Connecting external with a Wi-Fi modem

which has 8 interfaces for 8 SIM card. The short message sent by mobile

phone is analyzed according to certain regulars for later balance querying

and account charging functions. The environment for short message gateway

is Windows 2003 server linking externally with GSM modem.

l WEB server: WEB server is a standard website server which provides to the

operators the functions as registering, logging, editing, sending, browsing,

deleting, responding message etc by programmes in background. The site

has background management enter. The administrator can change system

parameters or charging, deleting users, monitoring short message content

etc. The running environment for WEB server is IIS 5.0/Windows 2003

Server.

l Database server: short message and subscribers’ information is normally

stored in database server for surveying and querying etc and also for the

management of subscribers’ account and right. The database server links

effectively short message gateway, WEB server, terminals, CAS and SMS.

Its running environment is Oracle 10g and Window 2003 Server.

l Network management work station: the configuration and management of

subscribers billing/registering, database and gateway; accessing to short

message server to examine stored information. Its main work is system

background management and monitoring. The management work station,

which does not have to run 24h/24h, could help the operators for various




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remote services, as opening an account, charging, querying etc. Its running

environment is the network.

l GSM/CDMA Modem: capable for several local SIM card, responding the

communication with outside




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5 Technique Parameters

5.1 Head End Technique Parameters

l Maximal subscribers: over 10,000,000

l Maximal scrambling programs: 2048

l Maximal controllable class number: 256

l Maximal controllable PPV/IPPV programs number: 65535

l EMM processing and sending speed: 100-1500 packet/sec

l EMM sending authorization according to sharing address: 256

subscribers/packet

l Maximal programs providers number: 8

l Maximal TS supported: 1 ECMG for 20 TS (ECMS is expandable)

l Maximal products number: 2048

l CW changing frequency: 5-10 seconds once

l ECM bandwidth: 3k-7.5kbps (2-5 ECM packet per second for one channel)

l EMM bandwidth: 0.15-2.2Mbps

5.2 Smart Card Parameters

l CPU: enhanced 8 bit CPU with extended address mode

l RAM: 4 k bytes；ROM:126 k bytes；EEPROM:34 k bytes

l Communication interface: ISO 7816-1/2/3 standard

l Security protecting: memory firewall, EEPROM protecting

l Security: EAL5+

l Encryption algorithm: DES, Triple DES, CTI algorithm etc




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l Maximal sectors number: 4, each sector has independent key data, support

multi-levels authorization

l Maximal programs providers number: 8

l Maximal scrambling services number: 2048

l Maximal programs category numbers: 256

l Maximal PPV programs number: 256, storing in loop the programs serial

number in case of over 256

l Maximal PPV-P programs number: 256, storing in loop the programs serial

number in case of over 256

l Maximal PPV-T programs numbers: unlimited, paying by time according to

the electronic pocket in card

l Programs preview: counting by scrambling period or scrambling time,

controlling the preview time when switching channels

l Channels pre-authorizing: defining pre-authorization for pointing channels,

pre-authorization duration from 10 minutes to 454 days, charging from the

first time to watch programs

l Maximal electronic pockets: 8




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Chapter 5 SI-EPG System

1. Summary

Electronic Program Guide（EPG）is the specific feature of the Digital TV system.

It provides an approach for subscribers which has the advantages of convenient

use、friendly interface and quick access to programs etc. Through the EPG

system, subscribers can clearly know the programs that will be broadcast on all

channels by graphical way. It is equivalent to a dynamic radio and television

newspaper. Moreover, the EPG system provides clear and parti-colored

classification function, which can also help subscribers to view and select various

types of programs.

The key technologies to achieve the EPG system mainly include: the

organization and generation for the SI data at the send end、reception and

analysis for the SI data at the receiver、the establishment of the SI database at

the receiving end、display of the EPG interface and so on. Some of them are

accomplished by hardware, such as reception and analysis for the SI data; some

are carried out by software, such as the establishment of the SI database at the

receiving end and display of the EPG interface.

The EPG system is divided into head-end subsystem and receiving end

subsystem. The head-end subsystem is mainly responsible for the organization

and generation of SI data. Generally, these works are completed by a special SI

generator (SI Generator), the generated SI data, programs and other data-flow is

multiplied in the system layer, then transmitted in the TS stream. Receiving

subsystem is responsible for receiving and displaying the corresponding EPG




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information, which can be achieved by the set-top generally.

The products of EPG system mentioned here mainly refer to the electronic

program guide data generation system of head-end, which includes the program

management software and SI server. As for the products of receiving end, the

standard EPG information should be displayed, though it has different forms of

expression according to different set-top boxes.




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2. Introduction of product

SI-EPG System provides electronic program guide for digital TV subscribers, so

that the subscribers could find their favorite program concerned conveniently and

rapidly, and look for additional information of programs. It also provides the

operators a high efficiency management platform which carries out automatic

management of producing, editing, censoring, scheduling, uploading and

broadcasting for operators’ management of broadcasting service information.

The Compunicate’s SI- EPG system is one of the most widely applied system in

China.

SI-EPG system adopts transmission device- SI injector, and uses advanced

distributed design which makes the system more secure, simple, ease to operate.

Compunicate SI-EPG is compatible with DVB-SI EN 300 468 standard, with the

natures of standard, openness, compatibility, function scalability.

2.1 Fundamental

The fundamental of the SI-EPG system is showed in figure 2-1，the EPG system

is divided into head-end subsystem and receiving end subsystem. The

information is sent to every householder through other digital television systems

and television transmission network, subscribers receive and watch programs

through the receiving subsystem and choose the programs.




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Chart 5-1 SI-EPG system fundamental chart

2.1.1 Head-end subsystem for SI-EPG

SI-EPG head-end subsystem is responsible for the organization and

management of programs, its database is not shared with other systems and it

sends data which comply with the DVB SI standard through SI server. According

to the actual situation, it can interconnect with other digital TV systems at

different levels. These digital television systems includes Conditional Access

System (CAS)、Subscriber Management System (SMS)、multiplexers、

scramblers、video servers、gateways and so on. Some digital TV programs is

sent with a certain degree of SI information, if we send out it with no modified, the

receiving end may be confused. Therefore, the programs are generally re-

programmed through the program management software, then unified broadcast.

The way of interconnect can adopt TCP / IP interface, can also use DVB

interface. Specific connections can refer to Figure 2-2 in the example.

Chapter 5-2 SI-EPG examples for other DTV systems




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2.1.2 SI-EPG receiving end subsystem

SI-EPG receiving end subsystem is in set-top boxes in general, it can achieve

the stacking of programs drawing and SI-EPG interface on the TV screen, the TV

screen that the subscribers can see can be divided into three layers followed by

graphics、video and background layer.

Graphics layer also known as the OSD (On Screen Display) layer, the OSD

interface display technology means superimposing text on the image so that the

screen can provide subscribers with more additional information. Video layer is

the program watching now (the decoded activities of images). Background layer

is screen image when not starting to broadcast programs and the EPG menu.

EPG interface is built on graphic layer, superimposed form many EPG graphic

elements (such as buttons, text box, select buttons, component containers

etc).The status transfer of the interface is achieved by information-driven

mechanism, message processing is done during the news response function.

The screen image that subscribers see is the blend of these three layers.

2.2 System components

The components for Compunicate’s SI-EPG system is the core device (SI Server,

SI injector or ASI output card)， peripheral equipment (EPG record and edit

workstation)， Compunicate SI-EPG system software.

2.2.1 Software architecture

The software of SI-EPG system include Injector Network Management

Software(SI Generator), SI Send Software, SI Editor Software, SI Analysis

Extraction Software, EPG Offline Editing Software, EPG Online Editing Software,

Access Control Management Software and Import Software etc. Software

architecture chart is showed as follows:




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Chart 5-3 SI-EPG software structure

2.2.1.1 Injector Network Management Software

The Network Management software of injector I201 can remotely set up the IP

addresses of injector、the sending and receiving IP addresses and ports of TS

streams、the output rate and the PID of receiving TS packets etc. The interface

of Network Management Software is showed as follows:




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Chart 5-4 Injector software interface

2.2.1.2 SI Analysis Extraction Software

The Compunicate’s SI Analysis Extraction Software can extract SI information

and analyze SI information, for example, it can analyze the NIT, BAT and SDT

table, extracting the valuable data. It also can output part of SI information such

as the information of EIT table directly to the database、XML file or TEXT file.

Chart 5-5 Landing interface of SI Analysis Extraction Software




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Chart 5-6 Application interface of SI Analysis Extraction Software

2.2.1.3 SI Editor Software

Business information editing is used to Configure and modify the business

information of TV station digital video broadcasting (including network information,

business group information, transmission flow information, service information,

time information etc),it can rationally allocate the resources according to different

ID number and description information in business information setting. The

interface adopts the tree structure, using the way of classification menu to show

the whole SI table structure which makes the editing for related SI content

conveniently




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Chart 5-7 Interface of SI Editor Software

2.2.1.4 SI Send Software

SI Send Software can set the migration of PID and the information sending

through

corresponding software modules. It mainly edits the sending parameters of SI

information tables, such as PID, sending multicast port etc. Usually, NIT is only

sent to the designated host frequency point, SDT is sent to respective multiplexer,

TDT/TOD is sent to all the multiplexers.

2.2.1.5 EPG Off-line Editing Software

Playbill off-line editing software is easy and fast to operate, it can add the

program basic information such as program sorting and parental control in the

shortest time, matching up with the national standard character retrieval and

review, it also can edit and verify the content in batch, which Can save the

operator operating time under the premise to satisfy the playbill content greatly

the security to complete the playbill the edition.




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Chart 5-8 Interface of Playbill off-line editing software

2.2.1.6 EPG On-line Editing Software

The powerful On-line Editing Software is used in the entry and editing of

electronic program guide (EPG), that is the entry and editing of digital video

broadcasting playbill, through the visual way, in addition of editing program guide

content, the system can set several standard descriptors to provide the relative

business supporting such as parental control、description of expansion incident

etc. It supports standard program classified information adopting the drop-down

menu which makes the interface operation simple and convenient at a glance.

The powerful review feature ensures the accuracy of the playbill content.




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Chart 5-9 Interface of the On-line Editing Software

2.2.1.7 Access Control Management Software

The Compunicate’s Access Control Management Software of the SI-EPG system

was installed in the SI server, the main function is to create roles such as system

administrators, examiners, entry members etc and to set up their management

authority, you can set up different management authority separately according to

business, which make the system application more flexible. At the same time, the

system has a detailed log of operation, which makes the responsibility clear and

definite.

2.2.1.8 Importing Software

Importing Software can import playbill with a variety of text formats in batch, it

has review mechanism before importing, the import playbill can re-edit and re-

use, which reduces the workload of staff and strengthens the information-sharing

level. The Compunicate’s SI-EPG system supports playbill importing and

exporting with a variety of formats such as the standard TXT、CHINAEPG




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XML、ALTICAST XML、CTI XML and PSC etc, interconnecting with a third party

system conveniently.

Chart 5-10 Interface of Playbill Importing Software

2.2.2 Hardware architecture

The hardware architecture of Compunicate’s SI-EPG system is formed by the

core device (SI Server, SI injector or ASI output card) and the peripheral

equipment (EPG record and edit workstation).

There are two types of hardware architectures of the SI-EPG system, which are

the modes of ASI output card and SI injector, subscribers can independently

choose according to their own actual demand. Choosing the first mode,

subscribers need to configure the SI servers installed ASI output card and EPG

entry workstations; the second mode, subscribers need to configure SI server, SI

injector and scalable EPG entry workstation. The structure of SI injector mode is

showed as follows:




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Chart 5-11 hardware system structure

2.2.2.1 SI Injector

Chart 5-12 I201 Injector

I201 injector is Compunicate's unique owned product; it can satisfy the demand

of flexible application and the stable running for SI-EPG system, injecting

individual information for different multiplexers. It is one of the most important

components of Compunicate’s SI-EPG system..

SI injector has 1 ASI input, which can extract EPG information from TS , carry on

PSI-SI analysis and edit the EPG information according to demands. SI injector

packs the service information and EPG information from IP input into the

standard TS format and then output from its 8 ASI interfaces respectively, not

using ASI expender, in order to make the system simplified. The different stream

from each ASI interface can be transmitted separately to one multiplexer. The

multiplexer receives only the necessary SI information, so there is no need for




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PID filtering and mapping by multiplexer. It only needs adding the injector to

expand the channels.

I201 Interfaces Introduction

2.2.2.2 SI Server

The SI server of the Compunicate’s SI-EPG system uses mainstream brand

server, and update the server hardware configuration in time to ensure the

stability and security of system.

The SI server is the server installed the Oracle database software and SI

Management Software (SI-Editor, SI-Generator, SI-Send etc.). As the system

database server, SI server is independent and doesn’t share the database with

other systems. Under the condition of no SI injector, SI servers need to be

configured the ASI output card to output the edited EPG information.

SI server's main functions include: SI database、Management of Event

Database (SI-Editor)、SI information configuration (SI-Editor)、the configuration

of SI injector and monitoring (SI-Generator)、sending control and monitoring of

SI-EPG information (SI-Send) etc.

1 IP interface(RJ45) IP interface Bit rate 50Mbps in maximum

1 ASI input (BNC,75Ω) Bit rate 150Mbps in maximum Effective bit Rate 10Mbps ASI input interface

Output format 188/204 optional 8 ASI outputs (BNC,75Ω) Bit rate 50Mbps in maximum ASI output interface Output format 188/204




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Chart 5-13 Interface of SI-Editor

Chart 5-14 Interface of SI-Generator




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Chart 5-15 Interface of SI-Send

2.2.2.3 EPG Entry Workstation/Censorship Workstation

The EPG Entry Workstation is a computer which installed the client software of

the EPG-Editor and output card's computer，it visits the SI server through

Ethernet and edits EPG information (playbill). Software interface is showed as

follows:




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Chart 5-17 EPG edit interface

2.3 Main functions

The main function of the Compunicate’s SI-EPG system is the allocation and

modification for the business information of TV station digital video broadcasting

(including network information, business group information, transmission flow

information, service information, time information etc); the electronic program

guides (EPG) input and edition, is also the entry and editing playbill of the digital

video broadcasting; sending variety of real-time business information to the SI

injection, then SI injector sends them through the ASI interface to the

multiplexers or video servers, finally shows on the graphics layer (OSD)of

receiving end.

The Compunicate’s SI-EPG system is not only a mature technology product, but

also a system solution plan which can ensure the security of the operators’

operation and broadcasting. The specific plan is showed as follows.




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Chart 5-18 workstream

From the figure we can know that the Compunicate provides not only a product,

but also a set of systems and processes comply with the operating mode of TV

station、broadcast & TV networks. The entire process includes several links

such as information source、information editing、censor、broadcasting

control、distribution、storage、broadcast etc. It can well meet the needs of




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actual operations, provide detailed, safe SI information and electronic program

guide service. Specific procedures are showed as follows:

l The television station carries on the network and the service plan, determines

the basic information of the business and the business which need the guide

information;

l The head-end room edits the business information (basic information)

according to the network and business plan, such as identifying network,

transport stream, business etc;

l The content production and plan of editing is made for the business of guide

information which will be sent.

l The broadcasting schedule is planned by their own for the broadcasting of

local self-programming programs.

l The broadcasting schedule can be got from the Internet or other means of

access, which can import for local use.

l Extracting the guide information in the input TS stream by the input of the SI

injector, then import for local use.

l The guide information external accessed or directly imported from the TS

stream can be rearranged and modified by the strategy such as the off-line

simple editing and on-line complex editing in order to make it compatible with

the applications of TV station.

l Censoring the edited program broadcasting schedule and the metadata in

the schedule.

l The censored program can be uploaded one by one or in batch, the upload

program schedule can not be edited and modified to ensure the security of

the broadcasting.

l Dispatching the censored program schedule information into the

broadcasting queue and packing it as the TS files.




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l Adjusting and controlling the broadcasting according to the amount of the

program schedule information and the response time of the whole system,

monitoring the broadcasting state, querying the data flow.

l The information is output as the standard TS streams to the multiplexers

through the 64 bit ASI output card or SI injector, come into business

information and electronic program guide information.

l The program playbill can be exported and backup, the data analysis and

broadcast statistics can be done.

l There are two important libraries in the database, respectively storage

business and event information, the two libraries can be associated by the

setting of the head-end system.

l The detailed operator log in the system make all links can be controlled、

checked、tracked. Each link in the system can interact with and access to

the database.




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2.4 Main features

l Entirely supporting EN 300 468《Digital Video Broadcasting

(DVB)Specification for Service Information (SI) in DVB systems》standard,

supporting all the tables and descriptors in the standard, which make the

subscribers’ use complex or simple, retain the space of expansion for the

system in the future(such as the support to the Masic descriptors which make

the subscribers can develop the Masic business; support the descriptors of

the frequency list which can provide ideal solution for the EPG programs

transmission from the province to city networks).

l Adopting Compunicate’s SI injector: the SI injector has 8 ASI output, each

output can output different stream, each output is connected to each

multiplexer, only output the SI information that the multiplexer need, without

the operation of PID filtrating and mapping etc(the multiplexer only need to

transmit the stream),so the system is suitable for all kinds of multiplexers,

one SI server can manage several SI injectors, ASI expender can not be

used if using the SI injector, the expansion of the system only needs to add

injectors.

l Adopting unique visual SI information module to simplify the SI (EPG)

management operation of the multi-lever system(such as province、city、

country).The entire system is made up of various independent functional

modules, which makes the operation more simple、convenient and less

error(the separation of SI and EPG editor. For the SI editing is only use in

building and modifying the analogue channel、business, it is relatively stable

and unchangeable in a long period of time in usual; the editing of playbill is

regular in daily. So separating them will simplify the operation and avoiding

the unnecessary errors as a result of negligence)




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l Adopting Compunicate’s SI injector with SI information picking-up function

which picks up SI information automatically from real-time TS inputs, then

edit and broadcast, or insert to appointed TS and broadcasting. It takes fully

advantage of SI information resource of superior and leaves out a lot of

editing works of SI (EPG) information to save time and manpower.

l Perfect and reliable service information editing function

Supporting multi-mode edit and building up the playbill：playbill insertion

directly (Text mode popular on internet, China EPG, Alticast); supporting

simple playbill off-line editing(operation is more convenient and faster);

supporting playbill on-line editing (strong and mature function); supporting

Mosaic description with particular and visible edit and convenient operation;

supporting playbill searching、query and edit (according to key word, time,

program classification, parental level etc); Playbill edits supports grammar

censor, word checking, sensitive and unlawful character string checking;

supporting multi-language information.

l Adopting various measures to assure system’s safety running, operation and

broadcasting

Safety running: supporting network, database, function module, whole or

partial backup of in-band and out-band, carrying out backup of double

machines, automatic backup, automatic switch to assure safety

broadcasting(when the main machine works, backup shall be at inter caption

mode).

Safety operation, safety broadcasting and operation management：function

modules bring the simple, convenient and safe operation; separate SI edit

and EPG edit to simplify operation; supporting playbill examination before

transmission to assure its safety(the content without examined is red);

supporting playbill checking, input and output in batch; The users are divided

into system manager, censor, recorder to improve operation safety (the

authorization of censor and recorder assigned further according to




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broadcasting channels);Strong log inquiry function (according to key word、

time、log in identity、user name、software、computer etc)

l The database is the core of the whole system, software modules are

connected through the database, which makes the system with good

expansion(such as the multiple EPG entry workstations can edit and import

playbill at the same time ;the corresponding import or export module is only

need to add when connected with the third party system.

l Supporting Chinese and English information: for English information, it

supports EN 300 468《Digital Video Broadcasting (DVB)Specification for

Service Information (SI) in DVB systems》standard; for Chinese information,

it supports 《Digital Video Broadcasting (DVB)Specification for Chinese

Service Information (SI) in DVB systems》standard published by the SARFT.

l Adopting optimum algorithm to transfer data, it can send the data more

efficiently, control the sending more flexibility (such as individual controlling

the attribute of each EIT table).

l Supporting in-band、out-band EPG and mixed broadcast mode.

l Supporting the database query of the playbill(such as searching、query and edit playbill

through the key word).

2.5 Other features

l Supporting ORACLE database, C/S system mode.

l Fully compatible with DVB EN300 468 standard, while supporting its whole

tables and descriptors

l Private descriptor can be inserted in different levels of different tables

l Supporting advertising system software upgrade, volume control, and other

commonly used private descriptors

l The large amount of data can be broadcast into several servers

l Real-time state monitor of broadcasting system




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l Supporting NVOD service

l Expansibility, adding EPG record workstations conveniently and linking with

the third system

l Adopting optimum algorithm to transfer data (such as individual control of

each program’s playbill)

l Flexible assigning transmission data rate of random table




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3. Technological parameters

SI injector I201：

ASI input：1 input; bit rate is 150Mbps in maximum; effective bite rate is 10Mbps

ASI output：8 output; bit rate is 13Mbps in maximum; output format is 188/204

IP interface（RJ45）：1 IP interface; bit rate is 13Mbps in maximum

SI server：

Size: 2U, 19’ standard chassis

Physical size: Deep: 74.4 centimeters (29.31 inches) wide: 44.43 centimeters

(17.5 inches); Height: 8.64 cm (3.4 inches)

Rack Weight: 23 kg (50.71 pounds), maximum configuration

Power: 220 V dual-supply

带格式的: 项目符号和编号




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Chapter 6 STB

1. MPEG-2 DVB-C STB

DVB-C2010 Digital STB builds on the third generation Fujitsu powerful single

chip processor, integrate the CTI 3.0 Decoding arithmetic It has an excellent

character and also has strong function.

Notable Character

Ø Support receiving under CTI 3.0 CAS

Ø Accordance with DVB-C/MPEG-2 standard

Ø Smart Card slot(s) in ISO7816 standard

Ø Multi-audio output system and network searching supported

Ø Full band automatic search, parted band search, manual search, and list

search supported.

Ø 4 group favourite programs design, dividing the group in 6 kinds program

ways

Ø Channel arrangement in 6 kinds, program skip function

Ø Support PC serial port upgrade and OTA

Ø EPG, receive program list in one week, timer awake

Ø AV output, S-VIDEO signal output

Ø Analog signal loop output

Ø Dual language menu display

Ø 1000 channels programming and saving function

Ø Program parameters memorization when power off, parental lock function

Ø PAL/NTSC auto identity, forcible PAL/NTSC conversion function




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Ø Support NVOD function

Technology Specification

Processor and Memory①

Ø CPU: Fujitsu MB86H2x

Ø Processor Speed: 130.5MHz

Ø Program Flash Memory: 2MB-4M

Ø Decoding/Program SDRAM: 8MB-16M

Ø E2PROM: 2K-8KB

TUNER②

Ø Tuner Yinhe

Ø Demodulation: QAM

Ø RF connection: IEC Female

Ø Input Frequency: 110～870 MHz

Ø Output Frequency: 110～870 MHz

Ø Input level: 35 dBuv-85 dBuv(64QAM)

Ø Symbol rate: 3.6-6.952Mbaud

Ø Input impedance: 75Ω

Ø Demodulation: 16，32，64，128，256QAM

Video Part③

Ø Accordance with MPEG-2 MP@ML, MPEG-1 Decoding compliant.

Ø Resolution: 720×576（PAL），720X480（NTSC）

Ø Complex video output: 1VP-P

Ø RCA Output Connection: RCA

Ø Output impedance: 75Ω

Ø S-VIDEO output




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Audio Part④

Ø Audio decoding: ISO/IEC 13818-3 LAYER I&II

Ø Output: left/left, right/right, stereo

Ø Sampling Frequency: 44.1 KHz, 48KHz

Ø Output interface: RCA

Ø Output impedance: 600Ω

Data Interface⑤

Ø RS-232（9 core、female）

Ø Baud rate: 115200bps

Power & Ambient⑦

Ø Input voltage: AC85-250V，50-60Hz

Ø Power Consumption: less than 15W

Ø Weight:1.5Kg

Ø Dimension: 280mm×200mm×40mm

2. H.264 SD IP STB

Specification depend on comply with which kind of Telecom protocol which can be introduced later.




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CHAPTER 7 COMPUNICATE Clients Profile

Compunicate's products have already covered more than 30 provinces in China as well as 60 countries and areas around the world till the end of 2008.

National Clients

International Clients




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CHAPTER 8 Quotation

Main Site Hardware

Products COMPONENT Price (USD) QTY Subtotal

(USD)

D100+ Professional Satellite receiver

MPEG-2 SD 400 33 13,200

D100+ Professional Satellite receiver

MPEG-4 SD 920 5 4,600

Chassis ASI & IP output Network Control

1,750 10 17,500

EM800 Platform

ASI Input card 1,200 13+1(Backup)

16,800

S100 Scrambler

1 ASI Input up to 155Mbps/pport , 2 ASI Output Up to 60 Mbps/port；Support up to 4 DVB DVB-SimulCrypt standard CAS

1,800 10 18,000

Q101 QAM Modulator

RF 48~860MHz, Support PID remapping/filter/select Network Control

1,400 10 14,000

Network Management Work station

DELL Optiplex 380MT Dual Core E5300 2.6 GHZ/1G/320GB/DVD with 17" LCD and Mouse and Keyboard Microsoft Windows XP Professional

990 1

Network Switcher 3 Com 24 Ports Switcher 200 2

Main Site Hardware subtotal (Reference) 84,100

Conditional Access System

Products COMPONENT QTY Price (USD)




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Conditional Access System Software

ECMG software V3.0, EMMG software V 3.0, Network monitor software; Subscriber Management V 3.0

1 (for 5,000 subscribers, With a SMS interface)

7,995

Smart Card Built in Compunicate COS and Algorithm

1000 per order 6/piece

DVB-C SD 1000 per order 24/PCS

SD STB IP H.264 SD 1000 per

order 48/PCS

Third Party Products for conditional access system DELL POWEREDGE R710 2U: Intel Xeom 4 Core 5504 2.0 GHZ/2G/2*146G SATA Disk /Raid 1Card/DVD_ROM,Orbit, Backup power supply

2,375 1

Oracle 10G 1,375 1

Server

Microsoft Windows 2008 Server 815 1

Work station

DELL Optiplex 380MT Dual Core E5300 2.6 GHZ/1G/320GB/DVD with 17" LCD and Mouse and Keyboard Microsoft Windows XP Professional

990 1

Switcher Aten 8 Port, 15' LCD, USB 1,935 1 Ethernet Switch LS-S5016P 1000M , 16 ports 425 1

Conditional Accesss System (SMS) Subtotal 6,995

Value-added Products Quotation (USD)

Products COMPONENT Price

EPG system




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EPG software Software: SI Sender, SI Editor, SI Generator, Manager, EPG Editor, EPG Offline Edit

13,200

SI Injector 1U stand alone EPG system special hardware 3,300（2PCS）

SI Server

DELL POWEREDGE R710 2U: Intel Xeom 4 Core 5504 2.0 GHZ/2G/2*146G SATA Disk /Raid 1Card/DVD_ROM,Orbit, Backup power supply

2,375

EPG Edit Workstation

DELL Optiplex 380MT Dual Core E5300 2.6

GHZ/1G/320GB/DVD with 17" LCD and Mouse and Keyboard

Microsoft Windows XP Professional

990

SI Database Oracle 10G 1,375

Operation System of server Microsoft Windows 2008 Server 815

Switcher Aten 8 Port, 15' LCD, USB 1,935 EPG system Subtotal (reference) 16,500

Remark: The “Blue character” products are all from the third party.

Commercial Terms

Date 27 April 2011 Valid 90 days from quotation day

Currency USD Consign to Greatway Payment 50% TT in advance before manufacturing, 50% before shipment Delivery FOB Beijing, 20 days after receiving full payment Warranty 1 year

Service Free Online installation and help, Free training in Beijing Engineer on site service: Cost of economy return ticket, accommodation and visa application, plus 100 USD per day

Contact:




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Abby Chang International Market Manager COMPUNICATE TECHNOLOGIES INC. Tel: +86 10 62272800 ext 2520 Mobile: +86 13810355459 E-mail: [email protected] Website: www.compunicate.cn


mailto:[email protected]


12.greatway proposal 11 04_27

Technology

headend system constitution

headend diagram

headend hardware products

compunicate clients

receiver system

system description

end infrastructure

differentparts of head