gbc_022_e0_1 zxg10-b8018 description
DESCRIPTION
GBC_022_E0_1 ZXG10-B8018 description. ZTE University GSM BSS Team. Contents. General Introduction Structure Introduction New Features Configuration Introduction Networking modes. General Introduction. General Introduction. What does B8018 mean?. Specification explanation. - PowerPoint PPT PresentationTRANSCRIPT
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GBC_022_E0_1ZXG10-B8018 description
ZTE University
GSM BSS Team
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Contents
General Introduction
Structure Introduction
New Features
Configuration Introduction
Networking modes
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General Introduction
Specification explanation
What does B8018 mean?
General Introduction
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General Introduction
ZXG10 B8018 is new type of ZXG10-BTS, based on ZXG10-BTS
(V2)
It not only has inherited all advantages of ZXG10-BTS (V2), but
also has added many new functions and services to satisfy
market requirements. In addition, it also reduces hardware and
networking cost.
It is one of the most perfect serial BS and solve the problem that
cannot be solved by current ZXG10-BTS (V2).
General Introduction
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General Introduction
The main functions of ZXG10 B8018 are shown below:
Employs DTRU technology, i.e. two carriers in each
physical transceiver module;
Supports parallel connection with ZXG10-BTS (V2) cabinet
to realize capacity expansion;
Supports DPCT, downlink delay diversity (DDT)
transmission, IRC and so on;
Supports 4 diversities reception;
Supports 8 E1/T1 interface;
Supports 75Ω/E1 and 120Ω/E1 transmission;
Supports intelligent power on/off;
Supports IP Abis-interface.
General Introduction
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Rack Layout of B8018
General Introduction
1600mm×600mm×550mm (H×W×D)
Cabinet size
General Introduction
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System Indices
Frequency Range GSM900, EGSM900, 850, 1800, 1900MHz band
Power Amplifier Output: For GMSK=60W For 8PSK= 40W
Static Receiving Sensitivity -112dBm
Voltage -48V DC
Allowed Change Range -40 ~ -57
Maximum Power Consumption 3750 W
Working Temperature -15 ~ 45 C
Relative Humidity 5% ~ 90%
Grounding Resistance <5 ohm
Capacity Single rack=18 TRX/Rack
Largest Site Type S18/18/18 or O54
General Introduction
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S6/6/6 S12/12/12 S18/18/18
BTS Expansion
General Introduction
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Single Cabinet with Full Configuration
General Introduction
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General Introduction
1. Rear Board
2. Grounding Screw
3. Cabinet Top
4. Top-Layer Shelf
5. Fan Plug-in Box
6. Carrier Shelf
7. Side Baffle
8. Front Door
9. Horizontal Cabling
Rack
10. Cabinet Main Body
11. Base
12. Air Filter Plug-in Box
Cabinet Structure
General Introduction
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Cabinet Top Layout
General Introduction
General Introduction
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General Introduction
Interfaces on the Cabinet Top
General Introduction
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General Introduction
Interfaces on the Cabinet Top
General Introduction
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General Introduction
DIP Switch
General Introduction
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General Introduction
BTS Type 1100 : B8018
1101 : B8112
1110 : M8202
1111 : M8204
BTS_NO : Cabinet number in the same site 00 : Basic Cabinet
01 : Extended Cabinet 1
10 : Extended Cabinet 2
SLAVE1_PORT : The E1 port of the basic cabinet to connect extended
cabinet 1
00 : Port E of the basic cabinet
01 : Port F of the basic cabinet
10 : Port G of the basic cabinet
11 : Port H of the basic cabinet
General Introduction
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General Introduction
SLAVE2_PORT : The E1 port of the basic cabinet to connect extended
cabinet 2
00 : Port E of the basic cabinet
01 : Port F of the basic cabinet
10 : Port G of the basic cabinet
11 : Port H of the basic cabinet
SATE : Whether to use the satellite Abis link or not 0 : Common Abis
1 : Satellite Abis
ABIS_PORT : O&M port number 00 : Port A
01 : Port B
10 : Port C
11 : Port D
General Introduction
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General Introduction
ABIS_TS : The O&M Lapd timeslot on Abis interface
000 : TS16
001 : TS31
010 : TS30
011 : TS29
100 : TS28
101 : TS27
110 : TS26
111 : TS25
General Introduction
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Ventilation scheme
General Introduction
General Introduction
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Contents
General Introduction
Structure Introduction
New Features
Configuration Introduction
Networking modes
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General hardware structure of ZXG10 B8018
Structure Introduction
Structure Introduction
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Structure Introduction
Controller & Maintenance Board (CMB)
CMB is a major digital board in ZXG10 B8018 (V1.00)
providing interface and central control functions. CMB
works in active/standby mode, to avoid interruption and
give protection to the services.
CMB
PWR RUN SYN CLK MST STA M/S RST FPWR
Structure Introduction
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Structure Introduction
CMB Function:
Provides eight E1/T1 interfaces.
Overall radio clock and transmission clock synchronization
can be achieved by configuring CMB for overall network
synchronization at background.
Provides transparent passage for external environment
alarm.
Supports star, chain, tree, and ring networking at Abis
interface.
Structure Introduction
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Time Slot Switching in B8018 System
Structure Introduction
CMB
E1/T1Frame
r&LI U
FI B
8*2MHW
4*2MHW
8*E1/T1
100M ETH
MT90826
速率变换8MHW
EI B 8*E1/ T1
CPU
QMC
2MHW
速率变换
速率变换
速率变换
4*2MHW
4*2MHW
4*2MHW
8MHW
8MHW
8MHW
dTRU(#0-2)
LAYER 1LAYER 2
LAYER 3
2MHW
dTRU(#3-5)
dTRU(#6-8)
环境监控透明通道
2MHW
Envi ronmentmoni stor
t ransparentpassage
Rateconversi
on
Rateconversi
on
Rateconversi
on
Rateconversi
on
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Structure Introduction
Implements, and reads various hardware management
IDs of system includes: detect in-position indication, send
control command by control link ,software reset each
board in system, implement power switch of each board
in system, implement power switch of each board in
system.
Monitoring and control of each board running status.
Structure Introduction
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Structure Introduction
E1/T1 Interface Board (EIB)
EIB Board provides the Abis interface connecting to the BSC.
EIB
Structure Introduction
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EIB hardware sub-system of ZXG10 B8018
Structure Introduction
匹配电路
变压器
保护器件
跨接继电器
背
板
EI B
8 E1/T1
backplane
matchingcircuit
Transformer
protectiondivice
bridgeconnection relay
Structure Introduction
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FIB hardware sub-system of ZXG10 B8018
Structure Introduction
Structure Introduction
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Structure Introduction
Transceiver Module for EDGE (DTRU)
DTRU means dual TRX , one DTRU consist of two TRXs
in ZXG10-8000 series BTS.
The DTRU controls and processes radio channels in the
GSM system, sends/receives radio channel data,
modulates/demodulates baseband signals on the radio
carrier, sends/receives radio carrier signals, and collects
alarms of the fans and AEMs.
Structure Introduction
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DTRU Front panel
Structure Introduction
Compared with BTS(V2.9), there are
Another ACT indicator, ACT1 and
ACT2 Indicate the channel status of
2 TRX Separately.
Structure Introduction
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TRM GROUP AEM
Tx
Rx
Rx
D
Structure Introduction
Antenna Equipment Module (AEM)
Antenna Equipment Module
Structure Introduction
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Structure Introduction
Antenna Equipment Module Types
Structure Introduction
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Structure Introduction
Antenna Equipment Module
Structure Introduction
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Structure Introduction
Antenna Equipment Module
Structure Introduction
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Structure introduction
Antenna Equipment Module
Structure Introduction
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Structure Introduction
Antenna Equipment Module
Structure Introduction
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Structure Introduction
Difference between CEUs and CENUs
Structure Introduction
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Structure Introduction
Introduction of CDU (1)
VSWR_meter
ANT
RTE
forward reverse
Alarms
optional
DuplexerCable
Cable
Rx_in
Tx_out
RX1
RX2
RX3RX4
ERX1
ERX2LNA_Splitter
Alarms
TX1
TX250ohm
Hybird_combiner
Structure Introduction
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Structure Introduction
Introduction of CDU (2)
1 to 4 Divider
2 to 1 Combiner
DUPLEXER
Ext Receive
RX1
CDU
TEST
ANT
TX1
TX2
RX2
RX3
RX4
EX1
EX2
Combiner Input
Indicator
Divider Output
Divider Ext Output
Antenna
Test Port
Structure Introduction
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Structure Introduction
Introduction of ECDU
VSWR_meter
ANT
RTEforward reverse
Alarms
optional
Duplexer Cable
Cable
Rx_in RX1
RX2
LNA_Splitter
Alarms
ITX
Rx_filterANTD Cable Rx_inLNA_Splitter
Alarms
RXD1
RXD2
Structure Introduction
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Structure Introduction
Introduction of RDU
RTE
Rx_filter
50ohm
ANT Cable Rx_in RX1
RX2
RX3
RX4
ERX1
ERX2LNA_Splitter
Alarms
Structure Introduction
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Structure Introduction
Introduction of CEU (1)
To CDU TX1
RX1
RX2
RX3
RX4
ERX1
ERX2
Rx_Splitter
TX1
TX250ohm
Hybird_combiner
To CDU TX2 TX3
TX450ohm
Hybird_combiner
Structure Introduction
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Structure Introduction
Introduction of CEU (2)
1 to 2 Divider
2 to 1 Combiner
1 to 2 Divider
2 to 1 Combiner
RX1
CEUTX1
TX2
RX2
RX3
RX4
EX1
EX2
OTX1
TX3
TX4
OTX2
Indicator
Divider Output
Divider Ext Output
Combiner Input
Combiner Output
Structure Introduction
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Structure Introduction
Introduction of CENU
Structure Introduction
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Structure Introduction
Introduction of CENU/2
Structure Introduction
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PDM of ZXG10 B8018
Structure Introduction
Structure Introduction
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Contents
General Introduction
Structure Introduction
New Features
Configuration Introduction
Networking modes
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New Features
The main features of ZXG10 B8018 is shown below:
DTRU technology;
DPCT-dual power combining Transmission;
DDT-delay diversity transmission
4-way diversity reception;
IRC-Interference Rejection Combining;
intelligent power on/off;
IP Abis-interface.
New Features
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New Features
The DTRU is very flexible and can be used for several
purposes . Its two TRXs, for instance, can be used
separately (the same with ever)or both,both refers to by
DPCT to improve the downlink and by four-way diversity
to improve the uplink, they can be configured to create a
super TRX.
New Features
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New Features
One DTRU can easily be used to extend coverage
New Features
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New Features
DPCT---- Dual Power Combining Transmission:
When seeking greater cell range it is crucial to have a strong
signal from the BTS to the handset. This is often referred to
as downlink capability. This is what a handset presents as
signal strength in the display. In configurations intended for
maximum coverage, Dual Power Combining Transmission
(DPCT) feature doubles the output power from the BTS
cabinet, resulting in a significantly larger coverage area.
New Features
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New Features
DPCT principle
New Features
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New Features
DPCT implementation in B8018
New Features
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New Features
DDT ----Delay Diversity Transmission
Purpose: supports downlink transmitter diversity (the mobile phone
combines the best of two signals).
Implementation: by transmitting the same information on two TRXs with
a short delay and different antennas.
using only a simple software command, operators can convert the base
station from a two transceiver operational mode into the “DDT" mode,
where the two transceivers work together as one virtual transceiver, so
extending the range.
cellular downlink performance is increased by at least 3.0 decibels (dB)
at the cell border, reducing the number of sites needed by up to 30
percent over any conventional base station coverage network.
New Features
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New Features
DDT implementation in B8018
C M B
d T P B
m ain divTX
br an c hdiv.TX
6 .5 Mc a r r i e r
s ym bolde lay
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D Lbur stda t a
D A C
D A C
Con
trol
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aseb
and
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Dig
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br an c h div.data
m ain div.data
6 .5 Mc a r r i e r
Delay Diversity Transmission
New Features
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New Features
4 div RX ― 4 diversities reception
The majority of radio networks today have limited range due to
weak uplink signals from handsets. The best way to overcome
an unbalanced link budget is to ensure good receiver capability
in the base station. With the addition of a second antenna
system in the cell, we enable 4-Way Receiver Diversity
(4WRD), and this provides a total uplink that compensates for
weak handset signals.
The combination of DPCT with fully compensated uplink based
on 4-way Receiver Diversity comprises our Supreme Coverage
solution.
New Features
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New Features
IRC ― Interference Rejection Combining
Another way to increase the capacity, more advanced detection
techniques have been implemented - Interference Rejection
Combining (IRC)
In maximum ratio combining (MRC) each signal is weighted with
its signal-to-noise ratio to achieve optimum performance in white
noise environments, i.e. the noise signal is uncorrelated in time.
IRC, on the other hand, takes the correlation properties of CO-
channel interferers into account to suppress them, and therefore is
able to achieve much better performance in co-channel limited
environments than MRC.
New Features
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New Features
Int. Pwr on/off ― Intelligent power on/off
In order to reduce OPEX of operator, when traffic decrease
to certain value or in idle mode, this scheme automatically
to turn off part of Modules of B8018 to save power.
When traffic increase to certain busy threshold, this
scheme automatically to turn on sleep module to balance
the traffic.
The principle is as follows: CMB is able to control the switch
of all board (mainly is DTRU) in rack except interface board
(EIB/FIB) and CMB.
New Features
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New Features
IP Abis
One of the primary advantages of employing IP-based
transport is the ease of maintenance arising from
convergence of core and RAN networks.
Other advantages include economic benefits and capacity
benefits
New Features
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Contents
General Introduction
Structure Introduction
New Features
Configuration Introduction
Networking modes
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Configuration Instruction
O4 Configuration
Configuration Introduction
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Configuration Instruction
O6 Configuration
Configuration Introduction
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Configuration Instruction
O8 Configuration
Configuration Introduction
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Configuration Instruction
S8/8/8 Configuration
Configuration Introduction
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Configuration Instruction
DPCT with O2 (S2) with 4 Diversity
Configuration Introduction
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Configuration Instruction
GSM900 + GSM1800 S2 + S2 Configuration
Configuration Introduction
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Configuration Instruction
S4/4/4 Configuration
Configuration Introduction
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Configuration Instruction
S6/6/6 Configuration
Configuration Introduction
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Configuration Instruction
Configuration
Configuration Introduction
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Configuration Instruction
S2/2/2 ConfigurationWith DPCT and 4 Diversities
Configuration Introduction
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Configuration Instruction
S2/2/2 hybrid Configuration
Configuration Introduction
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Configuration Instruction
S8/8/8 Configuration
Configuration Introduction
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Contents
General Introduction
Structure Introduction
New Features
Configuration Introduction
Networking modes
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Networking Modes
Tree Networking Mode
Networking modes
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Networking Modes
Star Networking Mode
Networking modes
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Networking Modes
Chain Networking Mode
Networking modes
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Networking Modes
Ring Networking Mode
Networking modes
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