Applicable Area

DBS3900 WiMAX Site Survey Guide V2.0Confidentiality: INTERNAL

DBS3900 WiMAX Site Survey Guide V2.0Confidentiality: INTERNAL

Applicable AreaChinaProduct NameDBS3900 WiMAX

Intended AudienceSurvey engineersProduct VersionAll versions

DepartmentWireless Technical Service DeptDocument VersionV 2.0

Date2008-07-25

DBS3900 WiMAX Site Survey Guide

(V2.0)Prepared byGTS Wireless Product Import Service DeptDate2008-05-13

Reviewed by Date

Reviewed byDate

Approved byDate

Huawei Technologies Co., Ltd.All rights reservedRevision Record

DateRevision Version DescriptionAuthor

2008-05-13V1.0Initial transmittalZhao Cengyang

2008-06-25V2.0Modified Wang Jingxiong

Contents71 Overview of the Site Survey

71.1 Version Description

71.1.1 Introduction to the System

91.2 System Configuration

102 Introduction to the Site Survey Procedure

102.1 Preparation

102.1.1 Equipment Configuration List and Technical Proposal

102.1.2 Preparing Documents

102.1.3 Preparing Tools

112.2 On-Site Preparation Coordination Meeting

112.3 On-Site Survey

112.4 Site Preparation before Installation

123 Fill-in of Site Survey Report

123.1 Cover Information

123.1.1 Customer Name

123.1.2 Contract Number

133.1.3 Quotation Number

133.1.4 Office Surveyed

133.1.5 Engineering Type

133.1.6 Contact Methods

144 DBS3900 WiMAX Site Survey

144.1 Collecting Site Information

144.1.1 Equipment Room

154.1.2 Tower and Floor

154.1.3 Parameters of Transmission Ports

164.1.4 Grounding System

164.1.5 Communication with Customer

164.2 Installation Space of DBS3900 WiMAX BBU in 19-Inch Space

164.3 Installation Space Requirements of RRU3701C

174.3.1 Dimensions of RRU3701C

174.3.2 Installation Space of Fan-Cooled RRU3701C

184.3.3 Installation Space of Naturally Cooled RRU3701C

204.4 Installation Space of Vertical Frame

214.5 Cabling Design Principles

224.5.1 Feeder System Design Principles

244.5.2 Surveying External Cables

334.5.3 U-Shaped Card of Pole-Mounted GPS Antenna Support

334.5.4 Outdoor Cable Conversion Box

344.5.5 Precautions in Site Survey

344.6 Information Organization and Confirmation

354.7 Survey Document Delivery

Figures7Figure 1-1 WiMAX network architecture

16Figure 4-1 Requirements of DBS3900 WiMAX BBU on the installation space (unit: mm)

17Figure 4-2 Space occupied by the fan-cooled RRU3701C (unit: mm)

17Figure 4-3 Space occupied by the naturally cooled RRU3701C (unit: mm)

18Figure 4-4 Recommended installation space of the fan-cooled RRU3701C (unit: mm)

19Figure 4-5 Recommended installation space of the naturally cooled RRU3701C (unit: mm)

20Figure 4-6 Minimum installation space required by the naturally cooled RRU3701C (unit: mm)

21Figure 4-7 Installation space of the vertical frame (unit: mm)

22Figure 4-8 Floor plan of the DBS3900 WiMAX equipment room

24Figure 4-9 Top view of feeder installation

25Figure 4-10 Power cable of the DBS3900 WiMAX BBU

25Figure 4-11 Grounding cable of the DBS3900 WiMAX BBU

27Figure 4-12 CPRI optical cable of the DBS3900 WiMAX

29Figure 4-13 GPS clock signal conversion cable

30Figure 4-14 Power cable of the DBS3900 WiMAX RRU

31Figure 4-15 Grounding cable of the DBS3900 WiMAX RRU

32Figure 4-16 Panel of the CDUC

33Figure 4-17 Specifications of the U-shaped card for installing GPS antenna support on a pole

34Figure 4-18 OCB structure

Tables22Table 4-1 Relationship between the effective height h and distance d

26Table 4-2 Network cable set - Auxiliary network cables of the DBS3900 WiMAX for R6 interface

27Table 4-3 Optical fiber set - Single-mode optical fiber of DBS3900 WiMAX for R6 interface

28Table 4-4 Optical fiber set - Multi-mode optical fiber of DBS3900 WiMAX for R6 interface

34Table 4-5 Electrical specifications of OCB

1 Overview of the Site Survey

1.1 Version DescriptionThis site survey guide is applicable to operations of the site survey in the new deployment, expansion, and reconstruction of the DBS3900 WiMAX distributed base station. This guide describes operation methods, requirements, and main survey items in a practical site survey according to product features and survey design specifications. It also describes product knowledge and data used in the site survey to allow relevant site survey engineers to learn about the survey contents and knowledge of the DBS3900 WiMAX distributed base station, to improve the survey quality and implement the survey task efficiently, quickly, and completely.

1.1.1 Introduction to the System The WiMAX system consists of the mobile station (MS)/subscriber station (SS), access service network (ASN), and connectivity service network (CSN).Figure 1-1 shows the WiMAX network architecture.Figure 1-1 WiMAX network architecture

The functions of each WiMAX component are as follows:

AAAThe authentication, authorization, and accounting (AAA) is a high performance remote authentication server providing services such as the authentication, authorization, accounting, and value-added services. The AAA supports a variety of databases. The AAA features the powerful agent function and flexible operations.

ASNThe access service network consists of the base station (BS) and the access service network gateway (ASN-GW). The ASN can be connected to multiple CSNs. The ASN provides the radio access service for the CSN of network service providers (NSPs) and WiMAX subscribers. The ASN manages the IEEE 802.16e air interface. The ASN provides the following functions: Establishing layer-2 connections between the BS and MS

Transferring AAA messages to the homing NSP of the MS

Assisting the upper layer to establish layer-3 connection with the MS to allocate IP addresses

Establishing and managing the tunnel between the ASN and CSN

Responsible for the ASN mobility management and handover

Responsible for the intra-ASN paging and location management

Radio resource management (RRM)

Storing the temporary user information list

ASN-GWThe ASN-GW is a logical functional entity with a control plane. The ASN-GW interworks with the ASN internal NE (for example, BS). The ASN-GW can also interwork with the CSN or other ASN NEs. The ASN gateway provides the routing and bridging functions in the bearer plane. Huawei ASN-GW product is the WASN9770.BSThe BS is responsible for receiving and transmitting radio signals. The BS implements the communications between the WiMAX and MS. Huawei BS product is the DBS3900 WiMAX.

CSNThe CSN can be composed of the router, AAA agent or server, subscriber database, and Internet gateway. The CSN can be a new network entity of the WiMAX system. The CSN function can also be implemented through an existing network device. The CSN provides the IP connection for WiMAX subscribers. The main functions of the CSN are as follows: Allocation of MS IP addresses and subscriber session parameters

Internet access

Establishment of layer-3 connection forwarding messages for MSs (for example, IP address allocation)

Transfer of RADIUS message to the homing NSP of WiMAX subscribers for the AAA of subscriber sessions

AAA agent or server

Subscriber billing and settlement

Subscriber parameter-based QoS and permission control Inter-ASN mobility management

Establishment and management of the tunnel between the ASN and CSN

WiMAX services such as location-based services and group broadcast service

MS/SSMS/SS is the subscriber part of the WiMAX system. The MS/SS provides the universal function device between the user equipment and BS.

PPSThe prepaid service (PPS) allows a subscriber to prepay a service with certain amount (for example, duration or data traffic with certain volume in the data PPS). The system traces the usage (duration or traffic) of the purchased resources in real time and deducts the currently used fee from the account balance in real time.SCPThe service control point (SCP) is the core component of the intelligent network (IN). The SCP stores subscriber data and service logic. The SCP receives query messages from the service switching point (SSP), queries the database, and implements the decoding. The SCP starts different service logics according to call events reported by the SSP. Then, the SCP sends call control instructions to the corresponding SSP according to service logics and implements intelligent calls.1.2 System ConfigurationFor details, see the Configuration Manual.

2 Introduction to the Site Survey Procedure

2.1 PreparationUpon the receipt of the site survey notice, engineers should carefully read the contract, technical proposal, and networking diagrams, and learn about the configurations of equipment in each office and their connection relations. Engineers must consult relevant personnel in time if any question is unclear. After engineers are familiar with the entire project, the engineers should contact the customer in advance and determine the site survey coordination meeting, on-site survey personnel, time, and job arrangements.

2.1.1 Equipment Configuration List and Technical Proposal Engineers should carefully study the Technical Proposal and equipment configuration list to learn about the entire project. If relevant engineers have any question about the Technical Proposal or equipment configuration or the technical solution, project responsibility matrix, or schedule arrangement is unclear in the Technical Proposal, they should negotiate with the engineer who handles the contract in time to reach an agreement.

Some items in the contract or the technical proposal may be incorrect or missed. In this case, survey engineers must review the technical solution on the realizability and operability of the project based on their rich experience on the project. If a problem is found in the review, survey engineers must feed back it to sales and R&D personnel to modify the technical solution and contract configuration in time. This procedure can avoid further errors and losses.

2.1.2 Preparing DocumentsSurvey engineers prepare the following documents and information:

The Site Survey Notification

Name, telephone number, and address of the responsible person of the customer

The Technical Proposal and equipment configuration list The DBS3900 WiMAX Site Survey Guide 20080513-B-V1.0 The HUAWEI DBS3900 WiMAX Site Preparation Guide2.1.3 Preparing ToolsSurvey engineers prepare the following tools: Drawing tools such as ruler, set square, automatic pencil, rubber, and paper

Tape more than 4.5 m

Laptop computer

2.2 On-Site Preparation Coordination Meeting

The purpose of the survey coordination meeting is to allow Huawei engineers to have a face-to-face communication with the leader of the customer, to allow the leader of the customer to know this engineering basically and perceptually. Through the coordination meeting, the customer can understand and support the current and future jobs of Huawei better. The methods of the survey coordination meetings vary with projects. For common projects or low-level customers, engineers can introduce the project to the leader in a symposium. For important, complicated, or high-level projects, engineers can introduce the project to the leader in technical conferences or other methods with the help from various departments of Huawei.

Upon the arrival of the site, design engineers must contact the responsible personnel of Engineering Dept, Maintenance Dept, or Network Construction Dept of the customer, and the engineering technical personnel first. Design engineers introduce the complete project implementation procedure to relevant personnel of the customer in detail, and familiarize the customer with relevant preparations. In the meeting, Huawei engineers determine the implementation timetable of the project together with relevant personnel of the customer.

2.3 On-Site SurveyIf an office meets the site survey condition, Huawei engineers can perform the on-site survey. Engineers should request the customer to prepare relevant facilities in advance, such as power supply, grounding bar, air-conditioner, cabling rack, and raised floor. Survey engineers determine the positions of the equipment, cabling path, and reserved position for the expansion together with the customer. Survey engineers can learn about construction parameters of the equipment room, distance between equipment rooms, and available wires of optical cables from the personnel of the customer.

Huawei engineers should carry out the on-site survey according to the contract and survey report requirements, carefully survey each item, and record data in detail. All data must be obtained based on the practical survey. 2.4 Site Preparation Before Installation

Survey engineers should check the initial installation environment in the case of on-site survey. According to the Site Preparation Checklist in the HUAWEI DBS3900 WiMAX Site Preparation Guide, survey engineers determine whether the installation conditions of the equipment are met and guide the customer to prepare for the installation.

3 Fill-in of Site Survey Report

3.1 Cover Information3.1.1 Customer NameFill in the full name of Party A in the contract, for example, Jilin Post and Telecommunications Appliances Corp.

Party A does not refer to end users. Fill in Party A of the contract in this item.

3.1.2 Contract Number

The contract number consists of 14 or 18 digits. The contract number must be filled correctly without any missed digit and wrong digit.

For a 14-digit contract number, the first six digits represent the local zip code, the following six digits indicate the date that the contract is signed on, and the last two digits are the internal code of Huawei, generally 0A or 0B.

The 18-digit contract numbering standard is an improvement and supplementation to the original contract numbering rule. The new standard unifies the contract numbering rules in national and international markets, solves the year 2000 problem in contract numbering, and meets the requirements of subsidiaries, joint ventures, and various business departments of Huawei on development. The 18-digit contract numbering standard will gradually replace the original 14-digit numbering standard.

Structure of the 18-digit contract number

The descriptions of each information field of a contract number are as follows:

[Zip code]: For the domestic market, this field represents the zip code of the area that the customer is in. It is a nationally unique 6-digit number. For the international market, the zip code is represented in 000 + country code (three letters). The country code is determined according to GB/T 2659-94 Codes for the Representation of Names of Countries and Regions (equivalent to ISO3166 Codes for the Representation of Names of Countries and Their Subdivisions revised in July 1993). The country code consists of three Latin letters included in the name of the country or subdivision (see the appendix). The first three digits of the field are set to zero by default.

[Contract signing date] This field indicates the date that the contract is formally signed on. The first four digits indicate the year, the two digits in the middle indicate the month, and the last two digits indicate the day. For example, if a contract is signed on June 15, 2000, this field is 20000615.

[Contract type] The contract type is represented by one digit: 0 Sales contract; 1 Office inventory demand contract; 2 Sales return material contract; 3 Internal requisition demand contract; 4 Internal requisition return material contract; 5 Loss replenishment contract; 6 Loss return material contract; 7 Exhibition contract; 8 Pilot Contract; 9 Loan goods contract.

[Serial number] The serial number is represented by one of 26 English letters in sequence. This field indicates the serial number of a contract among multiple contracts signed with one customer in a day. At most 26 contracts can be signed with a customer in a day.

[Associated enterprise code] This field defines the associated enterprise (business department) of Huawei. The meanings of various enterprise codes are as follows: HW Huawei Technologies Co., Ltd.; SH Shanghai Huawei; NH Huawei New Technology, HB Hebei Huawei; HD - Huawei Electric Co., Ltd.; SD Shandong Huawei; HJ Huawei Integrated Circuit Design Center; SY Shenyang Huawei; HX Huawei Information; BF Beijing Northern Huawei Telecommunication Technologies Co., Ltd; AZ Huawei Installation; TJ Tianjin Huawei; SC Sichuan Huawei

For example, if Hebei Huawei signed a sales contract with Baoding Telecommunication Bureau on June 15, 2000, the contract number is 071051200006150AHB.

3.1.3 Quotation Number

Fill in the final contract quotation number of the office corresponding to this survey report. Make sure that the contract number consists of 16 digits.

3.1.4 Office Surveyed

Fill in the name of the office surveyed. The survey report must be filled in by referencing the quotation information and contract information. If the actual office name on site is different from the office name in the contract quotation, fill in the actual office name (BB) in a bracket after the original office name AA, such as AA (BB), or specify in the remark column of the report. Because a contract often involves multiple offices and one survey report often concerns only part offices, the number of offices that have been surveyed must be specified in the survey report. In the survey report, engineers must use the actual office name.

3.1.5 Engineering Type

The engineering types include new deployment, expansion, and reconstruction.

3.1.6 Contact Methods

Fill in the names or offices, telephone numbers, fax numbers, and contact person of two parties in the electronic survey report that is sent to Huawei. The contact person of Huawei is the person in charge of survey design or project manager of the local office.4 DBS3900 WiMAX Site Survey

4.1 Collecting Site Information

4.1.1 Equipment Room

Survey engineers need to collect the following information of the equipment room: Detailed address of the office, including the street, house number, and name of the equipment room building

Name and telephone number of the building owner. With the information, the customer can communicate with the building owner conveniently and relevant engineers can contact the building owner when certain survey data is required or missed.

Position and floor of the DBS3900 WiMAX equipment room and the layout of the floor

Latitude and longitude of the equipment room in the case of a special graphical environment

Equipment room information, including the structure and existing equipment of the equipment room

Length, width, and height (height of the raised floor, headroom, and ceiling height) of the equipment room

Positions and dimensions of doors, windows, poles, and main girder

Structure, main girder position, bearing, and decoration of the equipment room. If the weight capacity of the equipment room is insufficient, engineers need to fasten the equipment room.

Positions and dimensions of existing equipment in the equipment room

Positions and dimensions of other obstructions Information of auxiliary equipment, including the positions of feeder windows and indoor grounding bar and whether the grounding of the equipment room meets certain requirements

Positions and heights of original cabling racks and the cabling of AC and DC cables

Information of air conditioners, illumination, and elevators. Power supply conditions of the equipment room, including the mains lead-in mode, AC capacity, and terminal occupation of the existing AC distribution box. If the DC power is directly led in from another equipment room, relevant engineers must survey the cable routing and power supply capacity and check whether the terminals and battery capacity are sufficient.

Transmission conditions of the equipment room, including the transmission mode, impedance, and terminal occupancy and routing of transmission cables of existing transmission equipment.

Space of the cabinet provided by the customer. The space must be sufficient for installing the DBS3900 WiMAX equipment. In addition, if the DBS3900 shares the cabinet with the transmission equipment, survey engineers need to check whether the total installation space is enough.

4.1.2 Tower and Floor

Survey engineers need to collect the following information on the tower and floor:2. Detailed information of the site. Because the outdoor environment is relative complex, survey engineers must collect related information in detail. If possible, the engineers can collect certain picture information to facilitate the design.

3. Tower information and position relative to the equipment room

4. Height of towers5. Height and occupancy of the platform in each floor, installation positions of existing equipment, and platform dimensions

6. Routing of cabling ladders 7. Materials and structure of towers

8. Preliminary installation positions of antennas

9. Cable routing of antenna feeders

10. Relative positions and directions of towers. Note: Do not measure the direction with a compass in a floor. The direction should be determined in locations far away from towers and large metal objects and the direction must be confirmed in multiple points.

11. Floor information, including the position of the DBS3900 WiMAX equipment room relative to the building and the appearance and structure of the building

12. Dimensions and utilization of buildings on the floor

13. Positions and dimensions of existing outdoor cabling racks

14. Information of the lightning protection grounding net, including the available positions for grounding points and the possibility of using lightning protection grounding clips as the grounding plan.

15. Whether the specifications of poles provided by the customer meet the installation requirements of the DBS3900 WiMAX.

The pole diameter supported by the pole-mounted DBS3900 WiMAX RRU ranges from 60mm to 114mm.

The pole diameter supported by the hoop irons of the pole-mounted OCB ranges from 30mm to 125mm.

The pole diameter supported by the pole-mounted part (U-shaped card) of the GPS support ranges from 60 mm to 118 mm.

4.1.3 Parameters of Transmission PortsSurvey engineers need to collect the following parameters of the peer transmission ports from the customer:

16. GE Ethernet interface or optical interface, interface type (10 M, 100 M, or 1000M, adaptive or negotiation), transmission bandwidth, and distance of the transmission line

17. Type of the uplink transmission equipment (exchange or router, model, and provider)

18. Information of the optical interface, including the type, wavelength, transmission rate, distance (km), connector type, and fiber length of the peer optical fiber interface

4.1.4 Grounding System

Survey engineers need to obtain the information of the grounding system from the accompany personnel of the customer, including the grounding resistance, locations of ground points, and grounding routing. The written data is preferred.

4.1.5 Communication with Customer

Survey engineers need to record the site survey results and the promises made by the customer in the survey report memorandum and request the customer to confirm and sign on the memorandum. The survey engineers must collect related information in detail on site. If possible, the engineers can collect certain picture information to facilitate the design.

4.2 Installation Space of DBS3900 WiMAX BBU in 19-Inch Space

The DBS3900 WiMAX BBU can be installed in a 19-inch cabinet or vertical frame (the 19-inch cabinet and vertical frame are collectively called the 19-inch space) or integrated in the APM.

Figure 4-1 shows the requirements on the installation space when the DBS3900 WiMAX BBU is installed in the 19-inch space. Figure 4-2 Requirements of DBS3900 WiMAX BBU on the installation space (unit: mm)

The requirements of the DBS3900 WiMAX BBU in the installation space of the 19-inch space are as follows: A space of at least 25 mm in the left is reserved for ventilation.

A space of at least 25 mm in the right is reserved for ventilation.

A space of at least 70 mm before the panel is reserved for cabling.

4.3 Installation Space Requirements of RRU3701C

To facilitate the cabling, operation, and maintenance, the RRU3701C has different requirements on the installation space in different installation modes. This section describes the requirements on the installation space according to practical engineering experiences.4.3.1 Dimensions of RRU3701C

Figure 4-2 shows the actual space occupied by the RRU3701C in installation.Figure 4-3 Space occupied by the fan-cooled RRU3701C (unit: mm)

Figure 4-4 Space occupied by the naturally cooled RRU3701C (unit: mm)

4.3.2 Installation Space of Fan-Cooled RRU3701C

The RRU3701C 1.8G is cooled by fans.Figure 4-4 shows the installation space required by the fan-cooled RRU3701C.Figure 4-5 Recommended installation space of the fan-cooled RRU3701C (unit: mm)

A space of at least 500 mm in the bottom is reserved for cabling. To facilitate maintenance, it is recommended that the distance between the bottom and ground be at least 1200 mm. A space of at least 1000 mm in the front is reserved for maintenance. A space of at least 200 mm in the top is reserved for maintenance. A space of at least 1000 mm in the left is reserved for maintenance. A space of at least 1000 mm in the right is reserved for maintenance.4.3.3 Installation Space of Naturally Cooled RRU3701C

The RRU3701C 2.3G, 2.5G, and 3.5G are cooled naturally. Figure 4-5 shows the recommended installation space of the naturally cooled RRU3701C. Figure 4-6 Recommended installation space of the naturally cooled RRU3701C (unit: mm)

A space of at least 500 mm in the bottom is reserved for cabling.

A space of at least 500 mm in the front is reserved for maintenance.

A space of at least 200 mm in the top is reserved for maintenance.

A space of at least 200 mm in the left is reserved for maintenance.

A space of at least 200 mm in the right is reserved for maintenance.

Figure 4-6 shows the minimum installation space required by the naturally cooled RRU3701C.Figure 4-7 Minimum installation space required by the naturally cooled RRU3701C (unit: mm)

A space of at least 300 mm in the bottom is reserved for cabling. A space of at least 300 mm in the front is reserved for maintenance. A space of at least 100 mm in the top is reserved for maintenance. A space of at least 100 mm in the left is reserved for maintenance. A space of at least 100 mm in the right is reserved for maintenance.4.4 Installation Space of Vertical Frame

To facilitate the cabling, operation, and maintenance, this section describes the requirements of the vertical frame on the installation space according to engineering experiences.

Figure 4-7 shows the installation space required by the vertical frame:Figure 4-8 Installation space of the vertical frame (unit: mm)

The details are as follows: A space of at least 1000 mm in the front is reserved for maintenance.

A space of at least 1000 mm in the front is reserved for maintenance.

A space of at least 500 mm in the left is reserved for maintenance.

A space of at least 500 mm in the right is reserved for maintenance.

4.5 Cabling Design Principles

19. Power cables should be routed separately from transmission cables, signal cables, alarm cables, and feeders. If the cables must be routed in parallel, the distance must be greater than 200 mm.

20. The bend radius of feeders must meet the following requirements: For the 7/8 feeder, the bend radius cannot be less than 250 mm; for the 5/4 feeder, the bend radius cannot be less than 380 mm.

21. The design of indoor cabling racks must take the cable routing of equipment in the equipment room into consideration. Cables should be routed with the minimum number of cabling racks. Cabling racks should be arranged properly and orderly according to the actual installation conditions of equipment. The recommended width of cabling ladders is 400 mm and the recommended installation height is 2400 mm.

22. The size of the feeder window is 400mm400mm and the size of the feeder hole in the corresponding wall is 250mm250mm. The lower edge of the feeder hole should be 100mm higher than the upper edge of the cabling rack.

23. The PVC bellow should be designed according to its position (indoor or outdoor), length, and diameter. Figure 4-9 Floor plan of the DBS3900 WiMAX equipment room

4.5.2 Feeder System Design Principles

24. Summary of engineering parameters: The design of the feeder system must realize the wireless objective of the earlier network planning. Before the design, relevant engineers must obtain the summary of engineering parameters determined in the earlier network planning, including antenna height, sector azimuth, sector downtilt angle, and antenna model. The feeder system must be designed based on the summary of engineering parameters.

25. Antenna support: The antenna support must be designed based on the conditions of the tower platform and antenna on the roof so that the support can be installed and fastened conveniently. In addition, the design of the antenna support must also consider the physical dimensions of the antenna and the requirements on diversity and isolation distance. When the antenna is installed on the tower platform, the horizontal distance between the antenna and the tower or other metal objects should be equal to or greater than 2m. When the antenna is installed on the building roof, the effective height h between the lower edge of the antenna and the roof in the radiation direction of the antenna and the distance d between the roof edge in the radiation direction of the antenna and the antenna support must meet the requirements listed in Table 4-1:

Table 4-1 Relationship between the effective height h and distance dHD

0.5m0~2m

1m2~10m

2m>10m

26. Poles on the roof: When the building height cannot meet the requirements on antenna height, poles must be set on the roof. Poles should be installed according to the conditions of the roof and cannot be blocked by other objects.

27. Outdoor cabling racks: Outdoor cabling racks should be installed along walls in the shortest route to reduce the installation difficulty and facilitate feeder grounding. The width of outdoor cabling racks must meet the requirements on cabling.

28. Lightning protection: Antennas must be installed in the protection range of the lightning arrester. If the directional antenna is installed on the roof, the lightning arrester should be installed on a pole. If other antennas are installed on the roof, special lightning arresters must be installed. The protection angle of the lightning arrester in plain areas cannot exceed 45 and that in lightning intensified and mountainous areas cannot exceed 30. 29. Requirements on antenna isolation: In one system, the horizontal distance between two antennas of different sectors cannot be less than 3m. In two different systems, when two antennas in the same sector are in the same direction, the horizontal isolation distance between the antennas cannot be less than 3 m and the vertical isolation distance cannot be less than 0.5m. For the antenna diversity, when the receiver diversity is the space diversity, the horizontal distance between two antennas cannot be less than ten times of the wavelength and the recommended distance is 3 m.

30. Installation of GPS antennas: GPS antennas should be installed in positions far away from building edges and cannot be installed on the short walls around the building roof. Effective lightning protection devices must be available near the antennas and the antennas should be installed in the protection range of the lightning protection devices. The angle between the line connecting the antenna receiving head, the lightning arrester, or the tower top and the vertical direction should be less than 45 in plain areas or 30 in lightning intensified areas. If a tower or lightning arrester is unavailable, special lightning arresters must be installed to meet the requirements of the building on lightning protection. The horizontal distance between the lightning arrester and antenna should be between 2 m to 3 m. The location that the satellite antenna is installed in must be wide in vision and is not blocked by high buildings. The angle of view of the antenna in the vertical direction must be greater than 90. A satellite antenna cannot be installed in the radiation range of a directional antenna with frequency higher than 400 MHz and power more than 1 W. The distance of the satellite antenna to an omni-directional transmit antenna must be greater than 20 m. Figure 4-10 Top view of feeder installation

4.5.3 Surveying External Cables

Cables of BBU1. Power cableThe power input cable connects the external -48V DC power to the BBU as the working power supply of the entire BBU.

The power input cables of the BBU include three specifications, corresponding to the length 0.7m, 0.9m, and 5m respectively.

Specifications of the 0.7m cable (delivered to other areas than North America and Japan): Power cable-0.7m-(D3 female-2 female)-(H07Z-K-2.5^2 blue+H07Z-K-2.5^2 black)-(2*OT2.5-4);

Specifications of the 0.9 m cable (delivered to North America and Japan): Power cable-0.9m-(D3 female-2 female)-(14UL1015 black+14UL1015 blue)-(2*OT2.5-4);

Specifications of the 5 m cable (delivered when the DC-BOX is configured, prepared on site): Electrical cable-450V/750V-227 IEC 02(RV)-6mm^2-blue-44A and electrical cable-450V/750V-227 IEC 02(RV)-6mm^2-black-44A.Figure 4-11 Power cable of the DBS3900 WiMAX BBU

2. Protection grounding cableOne end of the BBU protection grounding cable is connected to the protection grounding terminal on the BBU panel and another end is connected to the protection grounding bar terminal on the installation site. The specifications of the protection grounding cables are as follows:

Electrical cable-450V/750V-227 IEC 02(RV)-6mm^2-Yellow green-44A (delivered to other areas than North America and Japan);

Electrical cable-600V-UL1015-5mm^2-10AWG-Green-50A-105 wire stranded (delivered to North America and Japan).

By default, each set of equipment is configured with 2m grounding cable. The actual length is determined based on the site survey and the cable is delivered in rolls. Figure 4-12 Grounding cable of the DBS3900 WiMAX BBU

3. Alarm cable

The alarms of external backbone nodes are reported through the alarm cable. The alarm cable connects the BBU to the APM or DC-BOX. The specifications of the alarm cables are as follows:

Symmetric twisted pair-UL2464-0.64mm-22AWG-1 pair-Black-Special for OEM products

Monitoring and alarm cable-Monitoring cable-1.1m-(network port 8-bit-VI)-(CC4P0.48 black(S)-I)-LSZH. It is the alarm cable between the BBU and PMU and is mandatory in the delivery of APM.

Monitoring and alarm cable-Monitoring cable-2m-(D9 male)-(CC2P0.48 black(S)-I)-(network port 8-bit-VI)-LSZH. It is the alarm cable between the BBU and EMUA/EMU and is mandatory in the delivery of EMUA/EMU.

4. FE/GE trunk Ethernet cable

The FE/GE trunk Ethernet cable transfers FE/GE trunk signals and realizes the electrical connection of R6 interfaces.

Table 4-2 Network cable set - Auxiliary network cables of the DBS3900 WiMAX for R6 interface

04046009Single cable-Shielded straight through cable-1.00m-(network port 8-bit-IV)-(CC4P0.5P430U(S))-(network port 8-bit-IV)-LSZH1pcsOptional, IP transmission network cable. When both the transmission equipment and BBU are installed in the APM, the network cable of 2m long can be used. By default, the 04040522 is delivered.

04040522Single cable-straight through cable-2.00m-(network port 8-bit-IV)-(CC4P0.5P445U(S))-(network port 8-bit-IV)-shielded

04041054Single cable-Shielded straight through cable-3.00m-(network port 8-bit-IV)-(CC4P0.5P445U(S))-(network port 8-bit-IV)

04040540Single cable-straight through cable-4m-(network port 8-bit-IV)-(CC4P0.5P445U(S))-(network port 8-bit-IV)-GPRS

04021279Single cable-straight through cable-5.00m-(network port 8-bit-IV)-(CC4P0.5P445U(S))-(network port 8-bit-IV)-shielded, DL1229

04040101Single cable-straight through cable-10m-(network port 8-bit-IV)-(CC4P0.5P445U(S))-(network port 8-bit-IV)-Shielded

5. Optical cable

The optical cables are divided into the following two types:

One type of the optical cables is used to connect the BBU to the RRU and transfer CPRI signals between the BBU and RRU. A BBU can be configured with six optical fibers at most and thus can connect to at most six RRUs. The optical fiber of the NodeB (Number: 04100099) is used to perform this function. It is the multi-mode optical cable. It functions as the optical fiber component that connects the BBU and RRU and transfers optical signals. The available lengths include 2 m, 10 m, 20 m, 30 m, 40 m, 50 m, 60m, 100m, and 150 m. The optical fiber is selected according to the site survey.

Both ends of the optical fiber are equipped with the DLC connectors. One DLC connector is connected to the optical module interface on the BBU panel labeled as CPRI0, CPRI1, or CPRI2, and another DLC connector is connected to the optical module interface labeled as CPRI1 on the RRU maintenance cavity.

In connection, relevant engineers must make sure that the Tx end of the BBU corresponds to the Rx end of the RRU and the Rx end of the BBU corresponds to the Tx end of the RRU. Each RRU is configured with one optical cable. According to the number of RRUs, one to three optical fibers can be configured.

Because of the restrictions of the power cable between the APM and RRU, the length of the optical cable between the BBU and RRU cannot exceed 180 m.Figure 4-13 CPRI optical cable of the DBS3900 WiMAX

Another type of optical fiber is used to connect R6 interfaces (from the BBU to the transmission equipment) and realize the optical connection (from BBU to transmission equipment) of R6 interfaces.

When the R6 interface adopts the optical interface transmission, the network cable is selected according to the actual site survey and the type of the peer optical interface provided by the customer.

Relevant engineers must obtain the following information in the survey:

Type: Multi-mode or single-mode optical port.

Optical port: STM-1(155 M), STM-4 (155/622H), STM-16 (2.5G), or STM-64 (10G)

Optical module

Wavelength: 850 nm, 1310 nm, or others

Length: 0.55 km, 10 km, 40 km, or others

Optical fiber length

Table 4-3 Optical fiber set - Single-mode optical fiber of DBS3900 WiMAX for R6 interface

CodeDescriptionRemarks

14130197Optical jumper-FC/PC-LC/PC-Single mode-2mm-10 mOptional. Each BBU is configured with two pcs. The optical fiber functions as the single-mode fiber pigtail between the BBU and ODF. It is delivered when the BBU R6 interface is configured with the single-mode optical module. The length of the optical fiber is determined according to the distance between the BBU and customer ODF mentioned in the special material information table. By default, the connector optical fiber of 20 m long is delivered, namely 14130274.

14130198Optical jumper-FC/PC-LC/PC-Single mode-2mm-5 m

14130274Optical jumper-FC/PC-LC/PC-Single mode-2mm-20 m

14130278Optical jumper-FC/PC-LC/PC-Single mode-2mm-30 m

14130291Optical jumper-FC/PC-LC/PC-Single mode-G.652-2mm-50 m

14130293Optical jumper-FC/PC-LC/PC-Single mode-G.652-2mm-15 m

Table 4-4 Optical fiber set - Multi-mode optical fiber of DBS3900 WiMAX for R6 interface

Item codeDescriptionRemarks

14130299Optical jumper-FC/PC-LC/PC-Multi-mode-2mm-5 mOptional. Each BBU is configured with two pcs. The optical fiber functions as the multi-mode fiber pigtail between the BBU and ODF. It is delivered when the BBU R6 interface is configured with the multi-mode optical module. The length of the optical fiber is determined according to the distance between the BBU and customer ODF and the connector type mentioned in the special material information table. By default, the FC/PC-LC/PC connector optical fiber of 20m long is delivered, namely 14130273.

14130221Optical jumper-FC/PC-LC/PC-Multi-mode-2mm-10 m

14130277Optical jumper-FC/PC-LC/PC-Multi-mode-2mm-30 m

14130296Optical jumper-LC/PC-LC/PC-Multi-mode-Multi-mode-2mm-5m

14130222Optical jumper-LC/PC-LC/PC-Multi-mode-2mm-10m

14130294Optical jumper-LC/PC-LC/PC-Multi-mode-2mm-30m

14130223Optical jumper-LC/PC-SC/PC-Multi-mode-2mm-10m

14130275Optical jumper-LC/PC-SC/PC-Multi-mode-2mm-30m

14130273Optical jumper-FC/PC-LC/PC-Multi-mode-2mm-20m

6. GPS feederIf the GPS is involved in the contract, the length of the GPS feeder must be surveyed. The specifications of available GPS feeders are as follows:

Coaxial cable -Copper-clad aluminum wire-50ohm-13.5mm-8.7mm-3.55mm-Black-Super flexible 1/2 jumper

Coaxial cable-Smooth copper tube-50ohm-28mm-22.2mm-9mm-Black 7/8 feeder

Coaxial cable-1/2.74mm-50ohm-10.16mm-7.24mm-0mm-International model: RG8.

Principles of feeder selection:

In the configuration of one geostationary satellite and the M12 satellite card (default configuration), the high-gain antenna A should be selected. When the distance between the GPS antenna and the BBU does not exceed 50m, the A+RG-8U super flexible feeder should be used. If the distance is between 50 m and 100 m (including 100m), the A+1/2' super flexible feeder should be used.

In the configuration of one geostationary satellite and the Resolution T satellite card, the common gain antenna B should be selected. When the distance between the GPS antenna and BBU does not exceed 10m, the B+RG-8U super flexible feeder should be used. If the distance is between 10 m and 50 m (including 50m), the B+1/2' super flexible feeder should be used. When the distance is between 50 m and 100 m (including 100 m), the B+7/8'+1/2' feeder should be selected.

In the configuration of two geostationary satellites, antenna C that supports two satellite cards is configured. If the distance between the GPS antenna and BBU does not exceed 10 m, the C+RG-8U super flexible feeder should be used. If the distance is between 10 m and 50 m (including 50m), the C+1/2' super flexible feeder should be used. When the distance is between 50 m and 100 m (including 100 m), the C+7/8'+1/2' feeder should be selected.

Generally, the length of a feeder cannot exceed 100 m. If a longer feeder is required, the length must be confirmed by R&D personnel.

7. GPS conversion cableEach GPS is configured with one conversion cable to connect the BBU of the DBS3900 WiMAX to the lightning protection unit at one side of the BBU.

The specifications of the GPS conversion cable are as follows: Single cable-RF cable-1m-(SMA50 right angle male)-(RG316-50-1.5/0.5 brown-I)-(N50 straight female-II)-GPS external signal cable.Figure 4-14 GPS clock signal conversion cable

Cables of RRU1. Power cableThe power input cable connects the external -48V DC power to the RRU as the working power supply of the entire RRU.

Power input cable Electrical cable-300V-UL2464-3.3mm^2-2*12AWG- Black jacket (blue and black wires)-Shielded outdoor power cable-Special for OEM products (default)

Electrical cable-600V/1000V-ROV-K-4mm^2-Black jacket (blue and brown wires)-36A-Shielded outdoor power cable (delivered to Europe)

The length of the power cable is determined according to the site survey. By default, the power cable of 20m long is delivered and the cables are delivered in rolls. The power cable can be extended to 60m at most. If the distance is greater than 60m, the 10mm^2 power cable + Conversion box + RRU power cable plan should be selected.Figure 4-15 Power cable of the DBS3900 WiMAX RRU

RRU extension power cable

The specifications of this type of power cables are as follows: Electrical cable-600V/1000V-ROV-K-10mm^2-Black jacket (blue and brown wires)-63A-Shielded outdoor power cable. When the extension distance of the RRU exceeds 60m, this cable in combination with the power conversion box and 3.3mm^2 common RRU power cable should be used. The maximum extension distance is 180m (including the 3.3mm^2 common RRU power cable) and the length of the 3.3mm^2 common RRU power cable cannot exceed 10m.

2. Protection grounding cableThe specifications of the RRU protection grounding cable are as follows: Electrical cable-450V/750V-227 IEC 02(RV)-16mm2-Yellow green-85A.

One end of the grounding cable is connected to the protection grounding terminal of the RRU, and another end is connected to the connecting terminal of the grounding bar on the installation site.

By default, the cable of 20m long is delivered and the cables are delivered in rolls. The cable is tailored and the terminals are prepared on site. The length of the power cable is determined according to the site survey. Figure 4-16 Grounding cable of the DBS3900 WiMAX RRU

3. Optical cableThe optical cable connects the RRU and BBU. For details, see related contents in Cables of BBU.

4. Feeder cableThe feeder cable is routed between the RRU module and the antenna to transfer RF signals. When the surveyed distance between the RRU of the base station and the antenna is less than 20m, the 1/2 jumper is selected. In this case, the RRU side of the base station should be configured with the 14040315N connector (bend) and the jumper at the antenna side should be configured with the 14040150N connector (straight). The connection sequence from the RRU to the antenna is as follows: RRU (N connector, female) -> (N elbow, male) 1/2" jumper (N straight, male) -> (N connector, female) antenna.

When the surveyed distance between the RRU of the base station and the antenna is greater than 20 m, the 1/2 fixed-length jumper (99040PRB), the 7/8 or 5/4 main feeder, and the 1/2 fixed-length jumper (99040PRC) should be configured. The two ends of the main feeder must be equipped with the 14040521 (configured with the 7/8 aluminum feeder) or 14040179 (configured with the 5/4 aluminum feeder) DIN connectors.The connection sequence from the RRU to the antenna is as follows: RRU (N connector, female)>(N elbow, male) 1/2" fixed-length jumper (DIN male)>(DIN female) 7/8" feeder or 5/4" feeder (DIN female)>(DIN male) 1/2" fixed-length jumper (N straight, male)>(N connector, female) antenna.

Each RRU of the base station provides two antenna ports and the RF coaxial connectors are configured for the two antenna ports. If only one monopole antenna is used, one antenna port is occupied. In this case, the number of RF coaxial connectors, fixed-length jumpers, and tapes must be reduced by a half. Principle of feeder length design: The feeder length is determined based on the distance L between the RRU and the antenna:

In 2.3G and 2.5G, if L is equal to or less than 20 m, select the 1/2 feeder; if L is between 20 m and 45 m (including 45 m), select the 1/2'+7/8'+1/2' feeder; if L is greater than 45m, select the 1/2'+5/4'+1/2' feeder. The feeder length must be surveyed.

In 3.5G, if L is equal to or less than 20 m, select the 1/2 feeder; if L is between 20 m and 35 m (including 35m), select the 1/2'+7/8'+1/2' feeder; if L is greater than 35m, select the 1/2'+5/4'+1/2' feeder. The feeder length must be surveyed.

5. ConnectorsThe connectors are divided into the following types:

Straight N connector for the 1/2 jumper: This connector is used at the antenna side of the jumper. The specifications of this type of connector are as follows: RF coaxial connector-N-50ohm-Connector/Straight-male-With 1/2 super flexible jumper.

DIN connector between 1/2 and 7/8: The connector functions as the conversion connector between the 1/2 flexible jumper and 7/8 feeder.

DIN connector between 1/2 and 5/4: The connector functions as the conversion connector between the 1/2 flexible jumper and 7/8 feeder.

Bend N connector for the 1/2 jumper: The jumper is used at the RRU side of the jumper of the base station. The specifications of this type of connectors are as follows: RF coaxial connector-N-50ohm-Connector/Bend-male-With 1/2 super flexible jumper

Other cables required are configured according to the site survey results.

GMKE3DCDUC - Cables of DC Distribution UnitFigure 4-17 Panel of the CDUC

If the GMK3DCDUC (DC-BOX) is configured as the power equipment, this section is mandatory.

2. Power cable Electrical power cable-450V/750V-227 IEC 02(RV)-16mm^2-Blue-85A 1 M.

Electrical power cable-450V/750V-227 IEC 02(RV)-16mm^2-Black-85A 1 M.

The default length of the power cable delivered is 5 m and the power cable is delivered in rolls.

3. Grounding cable Electrical power cable-450V/750V-227 IEC 02(RV)-6mm^2-Yellow green-44A. This type of grounding cable is delivered to areas without environmental requirements.

Electrical power cable-600V-UL1015 -5mm^2-10AWG-Green-50A-105 wire stranded. This type of grounding cable is delivered to North America and Japan.

The length of the grounding cable is determined according to the site survey result.

Cables of APMIf the APM is configured as the power equipment, this section is mandatory.

1. Power cableOne 2 12AWG bifilar sheathed cable of 8m long is delivered with the cabinet.

2. Grounding cable Electrical power cable-450V/750V-227 IEC 02(RV)-16mm^2-Yellow green-85A. This type of grounding cable is delivered to areas without environmental requirements.

Electrical power cable-450V/750V-227 IEC 02(RV)-16mm2-Green-85A. This type of grounding cable is delivered to North America and Japan.

The length of the grounding cable is determined according to the site survey result.

4.5.4 U-Shaped Card of Pole-Mounted GPS Antenna Support

If the support of the GPS antenna is installed on a pole, the U-shaped card must be configured. Each set of GPS is configured with one U-shaped card. Figure 4-17 shows the specifications of the U-shaped card. Figure 4-18 Specifications of the U-shaped card for installing GPS antenna support on a pole

4.5.5 Outdoor Cable Conversion Box

The power cable delivered with the RRU does not support the long-distance power transmission. If the equipment room is too far away from the local power supply, a cable with a larger diameter must be used to connect the local power supply to the equipment room. In this case, the OCB must be used at the near end of the RRU to connect the power cable of the RRU to the cable.

The OCB can be mounted on a wall or pole. The hoop irons are delivered with the OCB. The pole diameters supported by the hoop irons range from 30 mm to 125 mm. Figure 4-19 OCB structure Table 4-5 Electrical specifications of OCB

ParameterIndexRemarks

Input characteristics6 mm or 10 mm 2-core shielded cableThe cable diameter supported by the OCB ranges from 13 mm to 18 mm.

Output characteristics3.3 mm or 4 mm 2-core shielded cable10 mm to 14 mm

Installation modeOn a metal pole or on a wall

Box weight0.79 kgNet weight

Maximum dimensions of the box (HWD)196 mm 141 mm 78 mm

Protection levelIP65

4.5.6 Precautions in Site Survey

The contents in the survey report related to delivery must be measured carefully and correctly. An incorrect survey result may lead to order and production problems, project material errors, loss of working time, and stoppage, and eventually affect the long-term operation of equipment.4.6 Information Organization and Confirmation

The information collected on site must be organized as soon as possible to avoid information omission. The organized documents must be confirmed and agreed by the customer and be delivered to the downstream in time.3. Fill in the primary installation environment examination form based on the site conditions.4. Prepare engineering drawings based on the site draft and site survey results. The equipment room and feeder must be designed in compliance with related design specifications and drawings must be prepared in compliance with the drawing specifications.5. Fill in the survey report based on the contract list, project responsibility matrix, engineering drawings, and site survey records. If the site has certain special requirements, specify in the remark column of the survey report.6. During the information organization, if the engineer has any questions on the contract quotation, fill in the Contract Problem Feedback Form in time and feed back it to the project manager and order management personnel in time.7. After the primary survey task is finished, summarize the overview of each site, special problems, predictable problems that may occur in subsequent engineering implementation, problems in the survey, and other related contents and output the summary of the survey.8. After the information organization, supervise the customer to finish the pre-engineering preparations as soon as possible to avoid installation failure, wrong goods delivery, and other problems caused by unilateral changes made by the customer. The installation environment examination form, engineering form, and survey report must be confirmed and signed by the customer.9. The customer must promise a completion date for the items whose preparations are not completed in the installation environment examination form. In some cases, if the customer does not promise to reconstruct the items that do not meet the installation requirements, a survey memorandum must be signed with the customer.4.7 Survey Document Delivery

The documents confirmed by the customer must be delivered to the downstream in time according to the procedure to ensure the smooth progressing of the entire project.10. The survey report, engineering drawings, and work report are sent to the Survey Review Division. After the documents are reviewed, the documents are delivered to the Order Configuration Section to guide the order placing and delivery.11. The primary instillation environment examination form is submitted to the project manager. The project manager supervises the pre-engineering preparations of the customer according to the form.12. Engineering drawings are submitted to the System Design Department and Hardware Design Department and are combined to engineering files. After the files are reviewed, the files are sent to the site to guide the engineering implementation.13. The Contract Problem Feedback Form is sent to the project manager and order management personnel for contract problem confirmation and subsequent goods problem handling.14. The survey summary and memorandum are sent to the project manager and carbon copied to the System Design Department. All paper documents signed by the customer must be archived in the company.

2008-8-11Huawei Confidential Page 28 of 35

2008-8-11Huawei Confidential Page 27 of 35

_1279356055.vsd

_1279363586.vsdConnected to the RRU

Connected to the BBU