zxmbw bss (v3.21) project survey guide (v2009-06)

ZXMBW BSS Mobile Broadband Wireless Base Station

Subsystem (V3.21) Project Survey Guide

(V2009-06)

ZTE CORPORATION

ZXMBW BSS Mobile Broadband Wireless Base Station Subsystem (V3.21) Project Survey Guide (V2009-06)

Planned by: WiMAX Specifications Development Team of CDMA Product Support

Center

Compiled by: SU Zhibin

Reviewed by: WiMAX Specifications Development Team of CDMA Product Support

Center

* * * *

ZTE CORPORATION

Address: ZTE Plaza, Keji Road South, Hi-tech Industrial Park, Nanshan District,

Shenzhen, P.R.China

Post code: 518057

Technical support website: http://ecc.zte.com.cn

Hotline: +86 755 26770800 800-830-1118

Fax: +86 755 26770801

* * * *

Legal Information

Copyright © 2008 ZTE CORPORATION. The contents of this document are protected by copyright laws and international treaties. Any reproduction or distribution of this document or any portion of this document, in any form by any means, without the prior written consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by contractual confidentiality obligations. All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION or of their respective owners. This document is provided “as is”, and all express, implied, or statutory warranties, representations or conditions are disclaimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE CORPORATION and its licensors shall not be liable for damages resulting from the use of or reliance on the information contained herein. ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee, the user of this document shall not acquire any license to the subject matter herein.

The contents of this document and all policies of ZTE CORPORATION, including without limitation

policies related to support or training are subject to change without notice.

Revision History

Version Drafter / Reviser

Date Total Pages

Description Revised Contents

V3.21 (0906)

SU Zhibin 2009-5-30 41 N/A N/A

Note: 1. Complete related information in this form whenever this document is revised.

2. In case of the firs version, fill “N/A” in the columns “Description” and “Revised Contents” or leave them blank.

ZXMBW BSS Project Survey Guide For Internal Use Only▲

Confidential and Proprietary Information of ZTE CORPORATION.

Contents 1 Overview ..................................................................................................................................................1-1

1.1 Purposes .........................................................................................................................................1-1

1.2 Functions........................................................................................................................................1-1

1.3 Principles........................................................................................................................................1-1

1.4 Output Survey Reports...................................................................................................................1-2

2 Work Flow ...............................................................................................................................................2-1

2.1 Project Survey Flow Chart .............................................................................................................2-1

2.2 Project Survey Process...................................................................................................................2-3

2.2.1 Issue Work Statement of Project Survey .............................................................................2-3

2.2.2 Review Survey Task............................................................................................................2-3

2.2.3 Arrange Survey Task ...........................................................................................................2-3

2.2.4 Prepare for Project Survey ..................................................................................................2-4

2.2.5 Prepare a Survey Plan .........................................................................................................2-4

2.2.6 Survey and First Environment Acceptance .........................................................................2-5

2.2.7 Prepare Survey Documents .................................................................................................2-5

2.2.8 Review Project Survey........................................................................................................2-6

2.2.9 Archive Documents.............................................................................................................2-7

2.2.10 Output Result ....................................................................................................................2-7

3 Environment Survey ...............................................................................................................................3-1

3.1 Overview........................................................................................................................................3-1

3.2 Requirements for Environment Survey and Information Filling ...................................................3-1

3.2.1 Check Environment of Equipment Room ...........................................................................3-1

3.2.2 Environment for Outdoor Installation ...............................................................................3-2

3.2.3 Power Supply and Transmission Systems .........................................................................3-4

3.2.4 Grounding and Lightning Protection Requirements .........................................................3-4



4 Survey of Production & Delivery Data ...............................................................................................4-1

4.1 Overview......................................................................................................................................4-1

4.2 Survey Items ................................................................................................................................4-2

4.2.1 Site name...........................................................................................................................4-2

4.2.2 How BBU Is Mounted ......................................................................................................4-2

4.2.3 RRU Type..........................................................................................................................4-2

4.2.4 RRU Installation................................................................................................................4-2

4.2.5 BBU Transmission Mode..................................................................................................4-3

4.2.6 BBU-RRU Fiber................................................................................................................4-5

4.2.7 Length of BBU’s Power Cable..........................................................................................4-5

4.2.8 Length of RRU’s Power Cable..........................................................................................4-6

4.2.9 Length of AC Power Cable for M07 Cabinet....................................................................4-6

4.2.10 Protection Ground Cable.................................................................................................4-7

4.2.11 GPS Feeder Length and Pole...........................................................................................4-8

4.2.12 Main Feeder Length ........................................................................................................4-8

4.2.13 Cable Tray .......................................................................................................................4-8

4.2.14 Quantity of Feeder Windows...........................................................................................4-9

4.2.15 Quantity of Copper Grounding Busbars..........................................................................4-9

4.3 Typical Installation Scenarios ......................................................................................................4-9

4.3.1 Typical Scenario 1.............................................................................................................4-9

4.3.2 Typical Scenario 2.............................................................................................................4-12

5 Survey of Engineering Design Data.......................................................................................................5-1

5.1 Overview........................................................................................................................................5-1

5.2 General Information.......................................................................................................................5-1

5.3 Hardware Survey............................................................................................................................5-1

5.3.1 Equipment Room Environment...........................................................................................5-1

5.3.2 Cable Hole...........................................................................................................................5-2



5.3.3 Power Supply ......................................................................................................................5-2

5.3.4 Main Equipment Installation...............................................................................................5-3

5.3.5 Outdoor Cable Tray.............................................................................................................5-3

5.3.6 Directional Antenna ............................................................................................................5-4

5.3.7 GPS Antenna .......................................................................................................................5-4

5.3.8 Relative Position of ZXMBW BSS Antenna to Satellite Antenna ......................................5-5

5.3.9 Relative Position of ZXMBW BSS Antenna to Microwave Antenna .................................5-5

6 Other Matters..........................................................................................................................................6-1

6.1 Project Survey Memorandum ........................................................................................................6-1

6.2 Project Survey Summary................................................................................................................6-1


Confidential and Proprietary Information of ZTE CORPORATION. 1-1

1 Overview

1.1 Purposes

Project survey is an important step prior to engineering construction. It produces

reliable data for engineering design, network plan and site construction. Specialists

conduct the survey and determine whether the site is appropriate for base station

deployment and what would make a suitable construction scheme. The scheme should

take into consideration that whether construction cost is reasonable, whether expected

coverage will agree with original design, and so on.

1.2 Functions

The functions of project survey are as follows:

● To ensure accurate production plan and timely delivery.

● To be the basis for data debugging and testing of the device.

● To guide hardware installation and system debugging.

● The survey reports make a part of engineering completion documents to be

handed over to the user.

● To be a part of engineering standardization management

The failure to project survey or inaccurate survey result may result in:

● The production plan can not be timely and accurately worked out, thus leading to

delay in production and incorrect data configuration.

● The delivery is delayed or the delivery quantity is incorrect.

● The site work suspends as no equipment is available for installation, hence the

entire engineering progress may be affected and the user may refuse to make final

inspection of the engineering.

1.3 Principles

In the survey, the following principles should be followed:

Perform survey in accordance with the guidelines given in this Guide.



Survey results are real and clear.

Discuss with the user on any special requirements of the user. Report to System

Department of CDMA Division or the local ZTE office on issues in need of

further analysis and approval. Report the discussion results to CDMA Customer

Service Department for recording and also to the System Department of CDMA

Division for technical review.

Perform the survey with the participation of technicians from the user. They are

expected to help with and monitor the survey process and results.

Do not miss out or repeat survey items.

Do not enter the equipment room or check out equipment in the room unless

permitted to do so by the user.

Safety first. Try to avoid personal injury and equipment damages.

1.4 Output Survey Reports

At the end of the project survey, the following reports should be completed and output:

1. ZXMBW BSS Project Survey Report (Production & Delivery Data)

2. ZXMBW BSS Environment Acceptance Report

In addition, fill out the Contract Problem Feedback Table for any problem

(configuration error, for instance) found in the survey.



2 Work Flow

2.1 Project Survey Flow Chart

From issuance of a survey task to the submission of survey result, the survey flow goes

as shown in Fig. 2.1-1.

1. Issue the Work Statement of Project Survey

2. Review the survey task

3. Arrange the survey task

4. Prepare for project survey

5. Make a project survey plan

6. Perform on-site project survey and first environment acceptance test

7. Prepare survey documents

8. Review the project survey

9. Archival handling

10. Output the result



Fig. 2.1-1 Flow Chart for Project Survey



2.2 Project Survey Process

2.2.1 Issue Work Statement of Project Survey

Purpose: To timely issue the survey task

Responsible person: Commercial manager

Input document: Work Statement of Project Survey

Work scope: After a contract is signed, commercial manager of the local office should

timely issue the Work Statement of Project Survey to the product project manager of the

local office, and provide a photocopy of the contract and the technical agreement

needed for the survey.

2.2.2 Review Survey Task

Purpose: To review completeness of the contract information and reasonableness of the

survey period

Responsible person: Product project manager

Work scope: After receiving the Work Statement of Project Survey issued by the

commercial manager, the product project manager should review the completeness of

the contract information and the reasonableness of the survey period, and forward the

Work Statement of Project Survey and necessary information for the survey to the

engineering design manager.

2.2.3 Arrange Survey Task

Purpose: To analyze the contract information and arrange survey personnel

Responsible person: Engineering design manager

Input document: Contract Information and Work Statement of Project Survey

Work scope:

1. Upon receiving the Work Statement of Project Survey, the photocopy of the

contract and the technical agreement, the engineering design manager analyzes

the survey information. For an expansion or reconstruction project, he must

consult existing documents about the user equipment to determine whether a

survey is necessary.

2. Based on current condition of the local office, the manager should determine



whether survey is required for production and delivery data and engineering

design information.

3. Based on the analysis result of the survey information, the manager should

assign specific survey tasks to survey engineers and provide appropriate survey

documents.

4. If a survey is necessary, the engineering design manager should send project

survey engineers to the site. If a survey is not needed, the manager should have

survey engineers prepare survey documents directly.

2.2.4 Prepare for Project Survey

Purpose: To ensure smooth implementation of project survey

Responsible person: Project survey engineer

Work scope:

1. Accept the work arrangement of the project design manager, receive related

survey documents and confirm survey requirements.

2. Read through the contract and the technical agreement to understand the

configuration and technical requirements. Talk with the commercial manager

who signed the contract to learn about the contract provisions and project

schedule.

3. Contact the user in time to learn about the site conditions and determine whether

the site is ready for survey. If it is not ready, report the situation to the

department leader and hold the survey temporarily. If it is ready, estimate the

survey period according to the contract, and draft a Project Survey Plan.

4. Bring survey tools (multimeter, tape measure, ground resistance meter, etc.), and

documents such as Project Survey Report (Production & Delivery Data), Project

Survey Report (Engineering Design Info), Environment Acceptance Report, and

Project Survey Plan of related equipment to the site for survey.

2.2.5 Prepare a Survey Plan

Purpose: To ensure smooth progress of the survey as planned


Output document: Project Survey Plan



Work scope:

1. After arriving at the site of the user, the project survey engineer should contact

user’s responsible person for the survey, submit the Project Survey Plan draft,

hold a meeting with the user to discuss contracted networking, interface of

responsibilities, survey items, as well as who will be present at the survey on

user’s behalf.

2. The engineer should work with the user to make out a formal Project Survey

Plan and get ready to start the survey.

2.2.6 Survey and First Environment Acceptance

Purpose: To ensure that the survey complies with appropriate specifications


Input document: Project Survey Guide

Work scope:

1. With the participation of the user, follow Project Survey Guide to survey the

items as given in the Project Survey Report (Production & Delivery Data) and

Project Survey Report (Engineering Design Info), and record the results.

2. Conduct the first inspection on the working environment of the equipment based

on Environment Acceptance Report.

3. Check if the environment is ready for BTS installation. Ask the user to make

rectifications when necessary, or explain possible effects to the user when

rectifications prove difficult or impossible.

4. Make it known to the user what both parties should do before installation gets

started.

2.2.7 Prepare Survey Documents

Purpose: To provide information for the production, debugging and accurate delivery;

to guide the site construction and commissioning, and to provide reference for

engineering design.


Output document: Project Survey Report (Production & Delivery Data), Project Survey

Report (Engineering Design Info), Environment Acceptance Report



Work scope:

1. After survey is complete, the survey engineer should collate the survey data,

and prepare the Project Survey Report (Production & Delivery Data), Project

Survey Report (Engineering Design Info) and Environment Acceptance Report,

in accordance with the Project Survey Guide. After both parties come to an

agreement on the survey and environment acceptance results, their respective

persons in charge should sign the Project Survey Report and the column of first

environment acceptance in the Environment Acceptance Report.

2. If anything is found in the survey not complying with the requirements, the

survey engineer should timely negotiate with the user and record the important

issues into the Memo.

3. Submit a copy of Project Survey Report and Environment Acceptance Report to

the user.

4. For items not checked on site, confirm data with the user through telephone, fax

or e-mail based on existing equipment documents.

6. Submit the Project Survey Report to the survey review engineer.

2.2.8 Review Project Survey

Purpose: To ensure complete, standardized and correct survey data

Responsible person: Project survey review engineer

Input document: Guide to Review of Project Survey Report

Output document: Project Survey Report Review Table

Work scope:

1. Review Project Survey Report in accordance with the Guide to Review of

Project Survey Report and contract information.

2. Record the problems of Project Survey Report in Project Survey Report Review

Table.

3. When necessary, have the project survey engineer revise Project Survey Report

or even perform survey once again until qualified Project Survey Report is

output.

4. Have project survey engineer archive qualified Project Survey Report.



5. Have project survey engineer archive Project Survey Report Review Table.

2.2.9 Archive Documents

Purpose: To save the survey results and provide them to related departments

Responsible person: Project survey engineer/documents keeper

Work scope:

1. The project survey engineer should give the Work Statement of Project Survey,

Project Survey Plan, Project Survey Report (Production & Delivery Data),

Project Survey Report (Engineering Design Info), Environment Acceptance

Report, Contract Survey Problem Feedback Table, and Project Survey Report

Review Table to the documents keeper of the local office for archiving.

2. The project survey engineer should submit the Project Survey Report

(Production & Delivery Data) and Project Survey Report (Engineering Design

Info) to the Planning Dept. of relevant product division through ZTE’s ECC

system, to guide the production, debugging and correct delivery of the

equipment. For details, refer to ZD/ZX 06.038 Management Regulations on

Project Survey Report and Project Management Instructions.

3. The project survey engineer should submit the Project Survey Report

(Engineering Design Info) to the engineering design manager.

4. The project survey engineer should submit the Environment Acceptance Report

to the project supervisor for the second environment acceptance.

5. The project survey engineer should submit the Contract Problem Feedback

Table to the commercial manager of local office.

6. For more details, refer to Management Measures on Archiving After-sales

Documents.

2.2.10 Output Result

Work Statement of Project Survey

Project Survey Plan

Project Survey Report

Environment Acceptance Report



Contract Problem Feedback Table

Project Survey Report Review Table



3 Environment Survey

3.1 Overview

The environment acceptance is to check the onsite engineering environment,

installation preparations, and peripheral conditions for equipment power-on. In general,

the environment acceptance will be conducted for two times. The first time is often

conducted at the same time as the project survey.

Works involved in the first time environment acceptance include:

Check all environment items against the Environment Acceptance Report.

For the compulsory items that are not satisfactory in the acceptance check, urge

the user to take necessary measures and negotiate with them regarding the

deadline of completion.

For the general items that are not satisfactory in the acceptance check, explain to

the user the consequences that may result from failure to meet the requirements,

and ask them to make improvements as many as possible.

3.2 Requirements for Environment Survey and Information Filling

Please refer to ZXMBW BSS Environment Acceptance Guide and ZXMBW BSS

Environment Acceptance Report for details.

Accurate information must be provided.

3.2.1 Check Environment of Equipment Room

3.2.1.1 Equipment Room Construction and Decoration

The equipment room, once built, is not something that can be moved or rebuilt easily, it

should therefore be considered for long-term use. The civil engineering and decoration

of the equipment room must be finished prior to equipment installation, and the

requirements are given in Table 3.2-1.

Table 3.2-1 Structure and Decoration Requirements

No. Check Item Requirement

1 Building area The area for expansion should be considered.

2 Net height of the room ≥ 3 m



No. Check Item Requirement

3 Dustproof requirements

Double-pane glass and rubber seals are

recommended.

4 Anti-noise index ≤ 60dB

5 Door

It should be high and wide enough for handling the

equipment (see below for the dimensions).

Note: The dustproof requirement often goes as follows: 1. The density for dust particles with diameter over 5 microns

must be no more than 3 x 104 particles/m3; 2. The dust particles should be non-conductive, non-magnetoconductive and

anticorrosive.

3.2.1.2 Temperature and humidity

The temperature and humidity should ensure ZXMBW BTS equipment to work

properly and for a long term. See Table 3.2-2 for details:

Table 3.2-2 Structure and Decoration Requirements

Item T emperature Humidity

B9100 -5 ºC ~45 ºC 15~93%

R9100 -40 ºC ~55 ºC 5~100%

R9110 -40 ºC ~55 ºC 5~100%

3.2.1.3 Floor

The floor’s level difference should be less than 2 mm within every square meter.

3.2.2 Environment for Outdoor Installation

1. .. Avoid places where there is source of high temperature, dust, harmful gas,

explosives, or low air pressure.

2. .. Avoid places where there are strong quakes and noises.

3. .. Avoid step-down substations and traction substations.

4. .. Electromagnetic environment: Whether there are other antennas on the roof. If yes,

indicate the band and power to see if the isolation requirements are met.

5. .. Whether the roof has enough space for the antenna: it should be clear within 30

meters in the direction that the antenna faces.

6. .. Check the roof’s height.

7. .. Whether the roof’s bearing capacity is greater than 450kg/m2 and whether the

tower’s bearing capacity is enough for device installation.



8. .. Query the local authority about the climate, including rainfall and lightning.

9. .. Check the max wind speed on the roof (the highest record in 100 years for a coastal

city, and the highest record in 50 years for an inland city).

10. How can people get to the roof, by way of ladders inside or outside the building,

and whether a locked door is unavoidable, if yes, who is to turn to (name and

contact information).

11. A pole would be needed if the antenna is to be installed on the roof. Whether the

pole is high enough as the network plan is concerned and whether its diameter

ranges 60mm~120mm as it should be. Also take wind protection and lightning

protection into consideration. Every pole used for antenna installation should be

protected from lightning strikes. Where the pole is connected to the ground cable

should be protected from rust and corrosion.

12. The horizontal distance from the lightning arrester to the omni-antenna should be

no less than 1.5m. The antenna feeder should be covered in the protective range of

the lightning arrester, which is 30º for open area and mountain top, and 45º for

other landforms. The lightning arrester of a directional antenna can be installed

directly at the top of a pole.

13. GPS antenna should be installed at an open place. Preferably it is clear within 150º

of the GPS antenna’s elevation angle.

14. The larger the area for installing GPS antenna, the better. The upward view of GPS

antenna should not be less than 90º.

15. Tower information: height, installation location (on ground or roof), type

(monotube or grid framework), grounding of the tower body, whether cable

running through the tower can be grounded properly, and whether the tower body

is available with its own grounding flat iron.

16. The antenna can be mounted on a tower and if this is the case, a tower is needed.

The design and installation of the tower, to be undertaken by a professional team,

should comply with related telecom specifications. It is supposed to stand the

200km/h wind speed. Its grounding system should also abide by related

specifications with the grounding resistance smaller than 5 ohm.

17. Whether the thickness, height and material of the parapet are suitable for punching

so that devices or support can be mounted thereupon.



3.2.3 Power Supply and Transmission Systems

1. The transmission is available and meets related requirements.

2. The power supply systems include AC/DC power supply system and battery.

3. The DC and AC power distributing cabinets should have been installed (or planned

to install) in the equipment room. The power and the number of connection

terminals should meet the demand of current equipment as well as for future

expansion.

4. In case of -48V DC power supply, the requirements of ZXMBW BTS are listed in

Table 3.2-3 through Table 3.2-4.

Table 3.2-3 B9100

Item Inde xes

Nominal Value -48V DC

Voltage Range -40 ~ -57V

Table 3.2-4 R9100/R9110

Item Inde xes

Nominal Value -48V DC

Voltage Range -36 ~ -60V

5. Power consumption: The power consumptions of ZXMBW BTS equipment in

Table 3.2-5 are values at an operating voltage of -48V and an amplifier output

power of 5W.

Table 3.2-5 Power Consumption of ZXMBW BTS

Equipment Name Operating Voltage (V) Maximum Power Consumption (W)

B9100 -48V <500W

R9100 -48V <200W

R9110 -48V <200W

3.2.4 Grounding and Lightning Protection Requirements

The grounding and lightning protection requirements are as follows:

1. ...A joint grounding system should be used, with basic grounding bodies of buildings

interconnecting with special grounding bodies to form a common grounding

network, letting working ground, protection ground, logic ground, shielding

ground, antistatic ground and the building’s lightning protection and grounding



share the same grounding system.

2. ...Grounding resistance requirements: central equipment room ≤ 1; remote

equipment room ≤ 5; and outdoor equipment ≤ 10.

3. ...The antennas, feeders, iron towers and equipment rooms of BTS must be properly

grounded.

4. ...The grounding wires between racks must be connected correctly.

5. ...All devices must be connected to a grounding busbar, which should be connected

to the general grounding busbar of the building.



4 Survey of Production & Delivery Data

4.1 Overview

Survey the production schedule and delivery data and complete the Project Survey

Report (Production & Delivery Data).

This form should be output and submitted by the local office and CDMA Shenzhen

Technical Support Department is responsible for reviewing the form. The procedure is

as follows:

Start

Is the survey necessary?

Conduct the survey at the site

Fill in the report based on the data

provided by the user

Submit the report to CSTS Department for

review

Output

The local office submits the report

to ECC

Y

N

Pass

Unacceptable,to be revised



4.2 Survey Items

4.2.1 Site name

Fill in the site name correctly according to user’s plan.

4.2.2 How BBU Is Mounted

The BBU’s installation modes include:

Installed in ZXDU58 W121 M07 cabinet: The cabinet comes with water-proof

designs for outdoor use. It is contains BBU, power supply and transmission

modules.

Installed in standard 19" rack: The BBU can be installed in existing standard 19”

rack for indoor or outdoor use, occupying a space of 9U (7U for the equipment

and 1U for top and bottom heat radiation respectively).

Wall-mounted: The BBU is mounted in an indoor HUB cabinet and on the wall.

Installed on a simple rack (gantry)

Others: In case of showcases, BBU can be placed on a table or exhibition stall

without any fastening part. However, this should be clearly indicated in the

application form.

4.2.3 RRU Type

Select RRU type and quantity based on contract configuration:

R9100 (2×2): RRU is configured with two transmitting ends and two receiving

ends and a dual polarized antenna, so two feeders are required.

R9100 (2×4): RRU is configured with two transmitting ends and four receiving

ends and two dual polarized antennas, so four feeders are required.

R9110 (4×8): RRU is configured with four transmitting ends and eight receiving

ends and an eight-port panel antenna, so nine feeders are required (one for

calibration).

4.2.4 RRU Installation

The RRU(s) can be installed in the following ways:

One RRU on one pole: A pole is installed with one RRU.



Two RRUs on one pole: Two RRUs are installed on one pole in a back-to-back

way.

Three RRUs on one pole: Three RRUs are installed on one pole.

Wall-mounted: The RRU is installed on the wall.

The RRU installation is illustrated below:

4.2.5 BBU Transmission Mode

BBU supports any of ETH interface and fiber interface.

ETH Interface

Outdoor Ethernet cable: This distance from the Ethernet port on BBU CSIM to the

user’s Ethernet port or switching device, which should not exceed 100m.

Lightning arrester for network signals: If the Ethernet cable connecting BBU is laid

outdoors exceeding 10m, a lightning arrester is required. For M07 cabinet, the

arrester is not required because only inner cabling is involved.



Fiber Interface

Fiber length: the distance from BBU fiber port to the user’s fiber access point.

The common types of fiber interfaces opposite to BBU include FC, SC and LC. At the

BBU side, the interface is LC.

As for fiber type, single and multimode are available, which should be selected based

on the user’s fiber type.

The common fiber connectors are described as follows:

FC: with metal housing and threaded body, mainly appearing on ODF.

SC: for connecting GBIC module and mainly used in routers. It is square shape

design, with push-pull latching mechanism.

ST: applicable to ODF. It is round, with twist-lock bayonet coupling (for 10Base-F

connection, the ST connector is often used.)

LC: for connecting SFP module and mainly used in routers. With modularized RJ

latching mechanism, it is easily operated.

The fiber connectors are illustrated below:



4.2.6 BBU-RRU Fiber

The connection between BBU and RRU is done in one of the two ways: direct

connection with a single fiber and connection via an ODF. The later is suitable for long

distance connection.

Direct fiber connection

Fiber length: The fiber is single mode by default, at a rate of 1.25G or 2.5G,

depending on the RRU type. The length of the fiber is the distance from BBU to

RRU, which should be surveyed for each sector. The cabling route should be

considered.

Connection via ODF

Confirm with the user if ODF from BBU to RRU is required. If yes, determine the

installations positions and measure the distance.

From BBU to ODF: the cabling distance from BBU to specified port of ODF

From RRU to ODF: the cabling distance from RRU to specified port of ODF

Common fiber connector types include: FC, SC and LC.

4.2.7 Length of BBU’s Power Cable

If M07 cabinet is configured, the length is 2m.

If the user provides -48V DC power supply, it is the distance from BBU to the power

terminal of the user’s -48V power supply. In any case, the power cable should not

exceed 30m.



4.2.8 Length of RRU’s Power Cable

The length RRU power cable should be surveyed for each sector.

If M07 cabinet is configured, it is the length between RRU and M07 cabinet.

If the user provides -48V DC power supply, it is the distance from RRU to the power

terminal of the user’s -48V power supply. In any case, the power cable should not

exceed 150m.

4.2.9 Length of AC Power Cable for M07 Cabinet

If BBU is to be installed in M07 cabinet, the item should be surveyed. It’s the distance

from AC power distribution box to M07 cabinet.

4.2.10 Protection Ground Cable

The protection ground cables fall into three kinds: for BBU, RRU and M07 cabinet.

The ground cable should be grounded to the nearest copper grounding busbar. The



length of the ground cable is the distance from the equipment to the nearest grounding

busbar.

B9100: 10m2 cable with a default length of 0.5m.

M07 cabinet: 16m2 cable with a default length of 5m.

Simple gantry/HUB cabinet: 16m2 cable with a default length of 5m.

RRU: 16m2 cable with a default length of 5m.

4.2.11 GPS Feeder Length and Pole

It’s the distance from BBU to GPS’ mushroom. The distance should not be greater than

100m; otherwise plan for another location for the mushroom.

By default, the GPS pole and its installation parts will not be delivered. If they are

required, indicate in the survey report. The GPS pole should be vertically installed,

applicable to the scenario where GPS is installed on a roof.

4.2.12 Main Feeder Length

RRU should be installed at a place as near to the antenna as possible so as to reduce the

fading.

At present, 3m and 5m ready-made feeders are available. If a feeder longer than 5m is

required, it has to be made at the site.

The principles for feeder selection are as follows:

2.3~2.7G: If the required length is less than 19m, use 1/2" feeder; if the length is

between 19m and 25m, use 5/4" feeder; if the length is greater than 25m, it had

better not using the feeder.

3.4~3.6G: If the required length is less than 16m, use 1/2" feeder; if the length is

between 16m and 21m, use 5/4" feeder; if the length is greater than 21m, it had

better not using the feeder.

4.2.13 Cable Tray

Survey this item if a cable tray is required to be installed or added.

First decide whether an indoor or outdoor cable tray is required, and then measure the

length and width of the cable tray.



Indoor cable tray: It is used for indoor cabling, and each section is 400mm (width)

x 1.5m (length). Its height can be adjusted with the hanging and lengthening parts,

ranging from 0.7m to 1.4m.

Outdoor cable tray: Each section of cable tray is 200mm (width) x 100mm (height)

x 2.0m (length). The cable tray should be installed 150mm above the ground.

4.2.14 Quantity of Feeder Windows

If the feeder has to run through the wall (for RRU installed indoors), the feeder

window is required.

For 1/2” feeder, use 4-hole 1/2” feeder windows.

For 7/8” feeder, use 6-hole 7/8” feeder windows.

For 4/5” feeder, use 4-hole 4/5” feeder window.

4.2.15 Quantity of Copper Grounding Busbars

Determine the quantity according to the actual situation.

4.3 Typical Installation Scenarios

The WiMAX system adopts BBU+RRU architecture and mainly works on 2.4GHz and

3.5GHz bands. The high frequency bands may result in high feeder loss. As a result, it

is suggested to install RRU at an outdoor place near the antenna.

4.3.1 Typical Scenario 1

RRU采用“一挂一”固定件塔上抱

杆安装”。



This scenario is applicable to the following cases:

1. A new iron tower is to be built or the old tower is to be used, and the hanging

height of the antenna on the tower exceeds 15m.

2. BBU and RRU are installed outdoors. BBU is installed in M07 cabinet, while RRU

is installed on a pole in one-on-one way.

3. The transmission device (e.g. microwave IDU) is placed in M07 cabinet.

The table below lists an example configuration for this installation scenario. In this

scenario, the following is assumed:

Iron tower is 20m high.

M07 cabinet is 5m away from the tower.

R9100 (2×4) is used.

3 sector

Microwave transmission

RRU and the antenna share a pole

Site name Typical Installation 1 Remarks

BBU installation mode

■ M07 Cabinet □ Existing 19" rack □ Simple rack (indoor) □ Wall-mounted □ Other

BBU is installed in M07 Cabinet

RRU Type □ R9100 (2 X 2) × ___ ■ R9100 (2 X 4) × _3_ □ R9110 (4 X 8) × ___

3 sectors are configured.

Basic information

RRU installation components

■ 1 Pole × 1 RRU _3_ □ 1 Pole × 2 RRUs __ □ 1 Pole × 3 RRUs __ □ Wall-mounted _

Length of outdoor Ethernet cable

_5__ m

BBU and microwave IDU are installed in M07 cabinet, so the default Ethernet cable (5 m) is enough. □ ETH

Interface Lightning arrester □ Yes ■ No

As the Ethernet cable is laid inside the cable, the arrester is unnecessary.

BBU Transmission mode

Fiber interface

Fiber length

___ m xx



Fiber interface type

□ FC □ SC □ LC □ Other

xx

Fiber type □ Single mode □ Multimode

xx

□ Direct connection with fiber

Length of BBU-RRU fiber

■ Sector 1: _35__m ■ Sector 2: _35__m ■ Sector 3: _35__m □ Sector 4: ___m

The tower is 20m high and M07 cabinet is 5m above the ground, so 35m cable is selected here.

Length of fiber from BBU to ODF

___ m xx

Length of fiber from ODF to RRU

□ Sector 1: ___m □ Sector 2: ___m □ Sector 3: ___m □ Sector 4: ___m

xx

BBU-RRU Fiber

□ Connection via ODF

ODF's fiber connector type


xx

Length of BBU -48V DC power cable (<30m)

_2__ m BBU is installed in M07 cabinet, so the default 2m cable is enough.

Length of -48V DC RRU power cable (<150m)


An integral multiple of 10m is required here.

Power cable

Length of AC power cable for M07 cabinet (in case of installation in M07 cabinet. The length is to be measured during the survey)

____m It should be decided based on survey result.

Length of protective grounding cable for BBU

__0.5__m The default 0.5m cable is used.

Length of protective grounding cable for RRU

__5__m The default 5m cable is usedProtective grounding cable Length of protective

grounding cable for M07 Cabinet

__5__m The default 5m cable is used

GPS feeder length (<100m)


Main feeder configuration for Sector 1

■3m ready-made cable × _4_ □5m ready-made cable × __ □Not ready-made cable __m

RRU and the antenna share the pole, so the 3m cable is enough.




Feeder







□3m ready-made cable × __ □5m ready-made cable × __ □Not ready-made cable __m

xx

Length of indoor cable tray ____m It is not necessary. Cable tray (if necessary) Length of outdoor cable

tray (width 200mm) ____m

To be decided based on actual situations.

Feeder window (in the case there are indoor-outdoor routes)

□ 4-hole 1/2" □ 6-hole 7/8" □ 4-hole 5/4"

It is not required.

Number of copper grounding busbars required □1 □2


4.3.2 Typical Scenario 2

This scenario is applicable to the following cases:

1. The antenna and RRU are installed on a pole, and BBU is installed in M07 cabinet,

which is placed on the roof.

2. The hanging height of the antenna is less than 15m. .

3. The transmission device is less than 80m away from BBU.

The table below lists an example configuration for this installation scenario. In this

scenario, the following is assumed:

The pole is 3m high.

M07 cabinet and the pole are on the same roof.

R9100 (2×4) is used.

3 sector

The user provides GE interface for transmission.



The roof is 11m × 6m.

Sector 0, 1 and 2 refers to Pole 0, 1 and 2.

Site name Typical Installation 2 Remarks

BBU installation mode

■ M07 Cabinet □ Existing 19" rack □ Simple rack (indoor) □ Wall-mounted □ Other

BBU is installed in M07 Cabinet

RRU Type

□ R9100 (2 X 2) × ___ ■ R9100 (2 X 4) × _3_ □ R9110 (4 X 8) × ___

3 sectors are configured.

Basic information

RRU installation components

■ 1 Pole × 1 RRU _3_ □ 1 Pole × 2 RRUs __ □ 1 Pole × 3 RRUs __ □ Wall-mounted _

Length of outdoor Ethernet cable

_ __ m To be decided based on survey result.

□ ETH Interface

Lightning arrester

■ Yes □ No

The Ethernet cable is laid from M07 cabinet to the user’s transmission system.

Fiber length ___ m xx

Fiber interface type


xx

BBU Transmission mode

Fiber interface

Fiber type □ Single mode □ Multimode

xx

□ Direct connection with fiber

Length of BBU-RRU fiber


The roof is 11m x 6m and the RRU is 1-1.5m above the ground.

Length of fiber from BBU to ODF

___ m xx

Length of fiber from ODF to RRU

□ Sector 1: ___m □ Sector 2: ___m □ Sector 3: ___m □ Sector 4: ___m

xx

BBU-RRU Fiber

□ Connection via ODF

ODF's fiber connector type


xx

Power cable Length of BBU -48V DC power cable (<30m)

_2__ m BBU is installed in M07 cabinet,



so the default 2m cable is enough.

Length of -48V DC RRU power cable (<150m)


An integral multiple of 10m is required here.

Length of AC power cable for M07 cabinet (in case of installation in M07 cabinet. The length is to be measured during the survey)


Length of protective grounding cable for BBU

__0.5__m The default 0.5m cable is used.

Length of protective grounding cable for RRU


Protective grounding cable Length of protective

grounding cable for M07 Cabinet


GPS feeder length (<100m) __10__m


■3m ready-made cable × _4_□5m ready-made cable × __□Not ready-made cable __m








Feeder


□3m ready-made cable × __□5m ready-made cable × __□Not ready-made cable __m

xx

Length of indoor cable tray ____m It is not necessary.

Cable tray (if necessary) Length of outdoor cable tray

(width 200mm) ____m


Feeder window (in the case there are indoor-outdoor routes)

□ 4-hole 1/2" □ 6-hole 7/8" □ 4-hole 5/4"

It is not required.

Number of copper grounding busbars required

□1 □2 To be decided based on actual situations.



5 Survey of Engineering Design Data

5.1 Overview

Survey the engineering design data and fill in the Project Survey Report (Engineering

Design Information).

5.2 General Information

In the general information part of the report, complete the following:

Contract Number

Party A of the contract

Contact Person of Party A

Telephone of Party A

Local ZTE service office

Survey personnel

Telephone of the survey personnel

Survey Date

5.3 Hardware Survey

Hardware survey is to survey the networking, equipment installation, cabling and other

hardware and clarify the hardware details, so as to prepare for the installation design

and onsite installation.

The hardware survey covers the networking diagram, equipment installation,

equipment room layout, detailed cable distribution diagrams, equipment power

connection diagrams for this phase, and present slot layout of the equipment whose

capacity is expanded in this phase.

5.3.1 Equipment Room Environment

Most BTS equipment rooms are unattended. In addition to meeting related

requirements of the equipment, the room should be fireproof, safe, waterproof,

dampproof, shockproof and lightning.



The bearing capacity of the room should be no less than 450Kg/m2.

The net height of the room should be no less than 2.7m. If it is difficult to meet

this height requirement at an office, the height can be lower so long the equipment

can safely run.

The heights of the lamps: The lowest standards are 150 ~ 200LX at the horizontal

plane and 30 ~ 50LX at the vertical plane. The horizontal plane is 0.8m above the

ground, while the vertical plane is 1.4m above the ground.

Reinforcement measures should be taken during equipment installation.

The surface of the room should be horizontal, with an error no more than 30mm.

The surface of the room should be leveled, and the fluctuation should be no more

than 2.0mm for every 2.0m.

If there are windows, dustproof, fireproof, waterproof, heat-insulation,

wind-resistance and light shading measures should be taken.

5.3.2 Cable Hole

The lead-in window should be directly and reliably installed on the wall or a

window.

Waterproof measures should be taken between the lead-in window and the

wall/window.

All unused holes on the lead-in window should be filled with plastics.

The opening of lead-in window should not damage water pipes, beams or other

structural parts of the building.

Unless specifically indicated, the lower level of the lead-in window should be at

the same level as the indoor cable tray.

If other windows are to be opened, ask the user for approval and take necessary

fireproof and safety measures.

5.3.3 Power Supply

The equipment room should be equipped with special AC power distribution box

or cabinet.

The power supply system should be reliable and properly grounded.



Two kinds of lighting systems should be installed in the equipment room:

common and emergency.

220V power sockets should be available in the equipment room for routine

maintenance and rush repair in the night.

5.3.4 Main Equipment Installation

Determine the type and number of main equipment required.

Make clear the dimensions and weight of the equipment.

Determine the location and arrangement of the equipment, where future expansion,

facilitation of installation and maintenance should be taken into account.

Make clear the wiring terminals of the equipment, avoiding incorrect connection

of signal cables and power cables.

The arrangement of the equipment has direct impact on the routing, so be

carefully and try not to interwind the cables that may interfere with each other.

The main equipment should be reasonably arranged to save space in the

equipment room.

Certain space should be reserved in front of the equipment for operation and

maintenance, for example, opening the door or plugging the boards.

It is forbidden to install other devices above the main equipment, such as lighting

and smog sensor.

For details, please refer to the hardware installation manual of each product.

5.3.5 Outdoor Cable Tray

Measure the three dimensions or sizes of outdoor parts of the building that are

related to cable routes, as well as their relative distances and relative positions to

the cable tray. These parts include water storage tank, pipes and other facilities.

The outdoor cable tray's height should be determined based on site situations, but

in any case, it should not exceed 500mm, preferably 300mm.

The installation of outdoor cable tray should follow these principles: save

materials, be in good appearance, try to avoid winding, be secure and reliable, and

facilitate maintenance.



The width of a cable tray is often 400mm. The space between cross bars should

not exceed 800mm.

Survey the specific location of each support. The space between supports should

not exceed 4000mm in case the cable tray is installed at a lower place or 3000mm

in case the cable tray is installed at a higher place. There should be supports at any

bend or at the starting and end points of a climbing.

In addition to normal grounding points, the cable tray should be grounded at any

bend or extending part.

5.3.6 Directional Antenna

The horizontal spacing among the antennas of the three sectors of a BTS should

be no less than 1m.

The antenna of ZXMBW BSS cannot be opposite to the antennas of other systems,

they should keep a distance, either horizontal or vertical, of at least 1m.

The diameter of the pole for antenna installation should range from 60mm to

114mm.

The actual hanging height of the antenna should be consistent with the network

optimization result, and its installation location should meet engineering design

requirements.

The antenna should installed in the protection area of lightning arrester, which is

within 45° of depression angle of the antenna in normal cases, or 30° in case of

mountains or lightning-stricken areas.

The antenna should be reliably and firmly installed to resist certain wind speeds.

The error of antenna’s azimuth should be less than ±5°, and that of pitch angle

should be less than ±1°.

5.3.7 GPS Antenna

The GPS antenna should be installed in an open area so that the antenna can

receive the GPS satellite signals as many as possible. Often, it is installed on a

roof or lower part of an iron tower so as to shorten the feeder and reduce fading.



The GPS antenna is often installed within the 45° protection area of the lightning

arrester. If it is not in the lightning protection area, it must be equipped with a

separate arrester.

5.3.8 Relative Position of ZXMBW BSS Antenna to Satellite Antenna

Try not to install the BSS antenna and the satellite antenna on the same platform.

If they have to be installed on the same platform, the BSS antenna should not be

installed within an area of 150° in the front of the satellite antenna, so as to

prevent the side lobes’ interference.

If the BSS antenna has to be installed within the area of 150° in the front of the

satellite antenna, remember to keep a safety distance of over 20 wavelengths

(mobile antenna wavelength), and control the height of antenna strictly so that the

valid part of the BSS antenna is placed out of the visible range of the satellite

antenna.

5.3.9 Relative Position of ZXMBW BSS Antenna to Microwave Antenna

Try not to install the BSS antenna and microwave antenna on the same platform.



6 Other Matters

6.1 Project Survey Memorandum

At the end of survey, record survey status, problems found during the survey and user’s

opinions as well in the survey memorandum, which should bear signatures of both

parties of the contract.

6.2 Project Survey Summary

After the project survey is completed, it is necessary to make a thorough summary of

the whole process. The summary gives a concise description of the results of each

survey items, and suggests improvement measures and planned progress for

unsatisfying items. A conclusion should be drawn at the end of the summary.

Submit the project survey reports and Environment Acceptance Report.

zxmbw bss (v3.21) project survey guide (v2009-06)

Documents

policies of zte corporation

zte corporation address

zte plaza

contents v3

revised contents

zxmbw bss project survey

project survey guide

subject matter