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Zte ZXG10 OB06 Technical Manual

Zte ZXG10 OB06 Technical Manual

Integrated outdoor gsm base station
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ZXG10 OB06
Integrated Outdoor GSM Base Station
Technical Manual
Version 1.0
ZTE CORPORATION
ZTE Plaza, Keji Road South,
Hi-Tech Industrial Park,
Nanshan District, Shenzhen,
P. R. China
518057
Tel: (86) 755 26771900
800-9830-9830
Fax: (86) 755 26772236
URL: http://support.zte.com.cn
E-mail: doc@zte.com.cn

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  • Page 1 ZXG10 OB06 Integrated Outdoor GSM Base Station Technical Manual Version 1.0 ZTE CORPORATION ZTE Plaza, Keji Road South, Hi-Tech Industrial Park, Nanshan District, Shenzhen, P. R. China 518057 Tel: (86) 755 26771900 800-9830-9830 Fax: (86) 755 26772236 URL: http://support.zte.com.cn E-mail: doc@zte.com.cn...
  • Page 3 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.
  • Page 5 Please fax to: (86) 755-26772236; or mail to Publications R&D Department, ZTE CORPORATION, ZTE Plaza, A Wing, Keji Road South, Hi-Tech Industrial Park, Shenzhen, P. R. China 518057.

  • Page 7: Table Of Contents

    Contents About this Technical Manual..............xi Purpose of this Technical Manual................xi Typographical Conventions..................xii Mouse Operation Conventions................xiii Safety Signs......................xiii How to Get in Touch .....................xiv Customer Support........................ xiv Documentation Support......................xiv Chapter ..................1 System Architecture...................1 System Introduction ....................1 System Background ........................1 Applicable Standards .......................3 Major Functions........................3 System Working Principle ..................5...
  • Page 8 Power Consumption Indexes....................18 Ambient Conditions....................18 Requirements for Grounding and Lightning Protection .............18 Requirements for Temperature and Humidity: ................19 Requirements for Cleanness ....................19 Requirements for Atmospheric Pressure .................20 Interface Indexes ....................20 Abis Interface Indexes......................20 Um Interface Indexes......................21 Capacity Indexes ....................23 Clock Indexes.......................
  • Page 9 Dedicated Channel Management Function ................47 Public Channel Management Function..................60 TRX Management Function ....................65 O&M........................68 Parameter Configuration......................69 Alarm and Status Reporting ....................69 Online Software Loading......................70 Ultra-Distance Coverage..................71 Chapter ................... 75 Networking Modes and System Configurations........75 Networking Modes ....................75 System Configuration....................

  • Page 11: About This Technical Manual

    GSM, and it is composed of the ZXG10-BSC Base Station Controller and the ZXG10-BTS Base Transceiver Station. ZXG10 OB06 is one of the ZXG10-BTS series of base transceiver stations, and is an integrated outdoor BTS for GSM. Installed outdoors, the ZXG10...

  • Page 12: Typographical Conventions

    ZXG10 OB06 (V1.0). Chapter 3 Interfaces and Communications outlines the external interfaces and main interface protocols for ZXG10 OB06 (V1.0) Chapter 4 System Functions details the functions of the ZXG10 OB06 (V1.0). Chapter 5 Networking Modes and System Configuration gives a detailed description of various networking modes, connection and configuration of the ZXG10 OB06 (V1.0).

  • Page 13: Mouse Operation Conventions

    It may also be used to alert against unsafe practices. Erosion: Beware of erosion. Electric shock: There is a risk of electric shock. Electrostatic: The device may be sensitive to static electricity. Confidential and Proprietary Information of ZTE CORPORATION xiii...

  • Page 14: How To Get In Touch

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Safety Signs Meaning Microwave: Beware of strong electromagnetic field. Laser: Beware of strong laser beam. No flammables: No flammables can be stored. No touching: Do not touch. No smoking: Smoking is forbidden.

  • Page 15: System Architecture

    ZXG10 OB06 (V1.0). System Introduction System Background ZXG10 OB06 is a high-capacity outdoor BTS for GSM, with a single cabinet supporting six carriers at the maximum. It is to be installed outdoors, integrating...
  • Page 16 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The appearance of the whole ZXG10 OB06 is shown in Figure 1 Z X G 1 0 O B 0 6 I G U R E P P E A R A N C E O F T H E Figure 2 shows the position of ZXG10 OB06 (V1.0) in a GSM/GPRS...

  • Page 17: Applicable Standards

    The EMC complies with the ETSI 301489-8 specifications R&TTE Directive 1999/5/EC Major Functions The ZXG10 OB06 (V1.0) has the following functions: 1. It supports GSM Phase I/ GSM Phase II/GSM Phase II + standards. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 18 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 2. It supports GSM900, EGSM900, GSM850, GSM1800 and GSM1900 systems; it also supports modules of different frequency bands inserted in the same cabinet. 3. It provides the following TCH services:...

  • Page 19: System Working Principle

    24. It supports ultra-distance coverage with a radius of 35 km~120 km. System Working Principle The working principle of ZXG10 OB06 (V1.0) is shown in Figure 3. Z X G 1 0 0 B 0 6 ( V 1 . 0 )

  • Page 20: Hardware Structure

    The working principle of the system is as follows: In the downlink direction, the ZXG10 OB06 (V1.0) receives data from BSC, including voice and signaling data. Here, the signaling data are sent to the control, operation &...
  • Page 21 (AEM), a backplane transmission module (BTM), a power module and a heat exchanger. The hardware structure of the ZXG10 OB06 is shown in Figure 5. Z X G 1 0 O B 0 6 ( V 1 . 0 )

  • Page 22: Software Architecture

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual iii. Power Amplifier Unit (PAU) The PAU amplifies the power of the radio carrier to provide the BS equipment with sufficient transmission power. In band GSM900 or EGSM900, ZXG10 OB06 features a transceiver unit with an output power of 80 W.

  • Page 23: Cmm

    OB06 information can be collected, and OB06 local tests can be performed. The internal software of ZXG10 OB06 (V1.0) is composed of four parts: Controller & Maintenance Module (CMM), Frame Unit Controller (FUC), Channel Codec Module (CHP) and Carrier Interface Processor (CIP).
  • Page 24 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The CMM software is designed in layers, as shown in Figure 7. 7 C M M S I G U R E O F T W A R E O D U L E T R U C T U R E O&M...
  • Page 25 5. APP layer It is the application layer. It consists of three parts: O&M As the core of the application layer, it receives the O&M messages of the Abis interface and implements parameter configuration, Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 26: Fuc

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual status and alarm management, software version management, device test and external alarm collection. ii. DBS The whole application layer is designed with the database as a core. The database coordinates to assign configuration parameters. It also synchronizes data between the active and standby CMMs and between the foreground and the background.

  • Page 27: Chp

    GSM protocol, and they support frequency hopping. LMA is used for system debugging. The CHP software module is located in the TPU of the TRM in the system. Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 28: Cip

    AEM, amplifier, RCU and fan alarm information. System Features The ZXG10 OB06 (V1.0) is a compact outdoor BTS with a high capacity; a single cabinet may support 6 carriers at the maximum; customer requirements in terms of capacity, configuration, arrangement and maintenance are all taken into consideration in its design.
  • Page 29 64 Kbit/s physical link to fully share the bandwidth. In case of ZXG10 OB06 (V1.0) cascading, if one ZXG10 OB06 (V1.0) is powered off, the Abis interface link can provide auto-bridging protection.
  • Page 30 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual High-capacity heat exchangers are used for more powerful heat dissipation capability of the system. The cabinet features a double-layer top, thus effectively alleviating the influence of direct sunshine. The cabinet surface is covered with painting resisting infrared radiation.

  • Page 31: Technical Indexes

    C h a p t e r Technical Indexes This chapter introduces the indexes of the ZXG10 OB06 (V1.0) system and indexes of the modules and components of the system. Physical Performance Dimensions, Color and Structure The framework of the equipment is of section aluminum; the door plates are made of aluminum;...

  • Page 32: Power Supply

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Power subrack Batteries (4): 75 kg Bearing capacity of a single concrete platform: >800 kg Power Supply Power Supply Range of Power Supply System Input voltage: 88 VAC~300 VAC, optional.

  • Page 33: Requirements For Temperature And Humidity

    Chapter 2 - Technical Indexes There is a built-in induction-free lightning protector of B+C level in the AC input part of the ZXG10 OB06 system, while the internal modules of the power system provides a lightning-protection function of D level, thus preventing faults in most cases of lightning.

  • Page 34: Requirements For Atmospheric Pressure

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Requirements for Atmospheric Pressure 70×10 ~106×10 Interface Indexes Abis Interface Indexes The Abis interface adopts the standard E1 interface. The performance of the Abis interface meets the requirements specified by ITU-T G.703 and ITU-T G.704.

  • Page 35: Um Interface Indexes

    Based on the set power level, it can decrease the power from level zero to level-15 with the step of 2dB ± 1.5dB. iv. Transmitted RF carrier power/time envelop Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 36 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Compliant with GSM 11.21 and GSM 05.05. v. The inter-modulation attenuation of the transmitter Compliant with GSM 11.21 and GSM 05.05. vi. The inter-modulation attenuation in BSS Compliant with GSM 11.21 and GSM 05.05.

  • Page 37: Capacity Indexes

    RF channel of the transmitter and adjacent frequencies. Compliant with GSM 11.21 and GSM 05.05. Capacity Indexes A single cabinet of ZXG10 OB06 can be configured with 6 carriers at the maximum. One site supports 3 cabinets and 18 carriers at the maximum. Clock Indexes It provides a two-level clock, whose indexes are as follows: Clock accuracy: ±1.0×10...
  • Page 38 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Mean Time To Repair (MTTR): Availability ratio A (%): 99.999% Average time of suspensions per year: 4.2 minutes The product successfully passed the CE certification. The personal safety, electromagnetic security, EMC and wireless frequency spectrum comply with international standards.

  • Page 39: Interfaces And Communications

    This chapter details different external interfaces of the ZXG10 OB06 (V1.0) and different interface protocols. Overview Figure 9 shows the positions of the main interfaces of the ZXG10 OB06 (V1.0) in the system. Z X G 1 0 O B 0 6 ( V 1 . 0 ) E...

  • Page 40: Interfaces

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual provides the power supply and the alarm interfaces. The man-machine interface (MMI) is an interface between the local O&M terminal (LMT) and OB06. Interfaces Abis Interface The Abis interface is defined as an interface between OB06 and BSC.
  • Page 41 TS23 TCH0 TCH1 TCH2 TCH3 TS24 EAM3 TS24 TCH4 TCH5 TCH6 TCH7 TS25 EAM2 TS25 TS26 EAM1 TS26 TS27 EAM0 TS27 TS28 O&M3 TS28 TS29 O&M2 TS29 TS30 O&M1 TS30 TS31 O&M0 TS31 Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 42: Um Interface

    During the CMM initialization, the CMM reads the ID signal from the cabinet top to locate the TS of the O&M signaling on the Abis interface. For detailed description of ID, refer to ZXG10 OB06 (V1.0) Compact Outdoor BTS for GSM Hardware Manual.
  • Page 43 3. The third layer (L3) is the highest layer. It comprises various messages and programs and provides service control. L3 consists of three sub- layers: radio resource management (RR), mobility management (MM) and connection management (CM). Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 44: Inter-Cabinet Cascaded Interface Of Same Site

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The relevant protocols of the Um interface are as follows: GSM 04.03 describes the channel structure and access capability of the Um interface. GSM 04.04 specifies the physical layer structure of the Um interface.

  • Page 45: Interfaces Of The Tower Amplifier System

    It is realized by the 10-BaseT network interface or RS 232 interface between the CMM and local O&M terminal. It can be connected to the serial interface of a local O&M terminal computer or network interface through the ETP interface of the CMM panel. Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 46: Protocol Introduction

    Two important external interfaces for the ZXG10 OB06 (V1.0) are the Abis and the Um interface. On the Abis and the Um interface, the ZXG10 OB06 (V1.0) processes the LapD protocol, LapDm protocol and RR/MM/CM protocol. The following are descriptions of the three protocols in combination with the actual system circumstance.
  • Page 47 Chapter 3 - Interfaces and Communications In ZXG10 OB06 (V1.0), LapD is realized in the LapD module of RSL. The position of the LapD module in RSL is shown in Figure 15. 1 5 P I G U R E...

  • Page 48: Lapdm Protocol

    LapDm Protocol In GSM, LapDm is a data link protocol for signaling transmission between MS and ZXG10 OB06 (V1.0), with the purpose of using the Dm channel to transmit messages for entities of Layer 3 through the radio interface. LapDm is based on LapD, with some simplification and modification.
  • Page 49 8. Supporting access of the burst solution mode after the RACH channel access is instantly assigned. In the ZXG10 OB06 (V1.0), LapDm is implemented in the LapDm module of RSL. The position of LapDm module in RSL is shown in Figure 18.
  • Page 50 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The I frame structure of LapDm is shown in Figure 19. 1 9 I F I G U R E R A M E T R U C T U R E O F...

  • Page 51: Rr/Mm/Cm Protocol

    Transparent messages: ZXG10 OB06 (V1.0) is responsible for transferring that kind of messages, without any analysis or change. Non-transparent messages: They are only transmitted between the BSC and ZXG10 OB06 (V1.0), and are processed by the ZXG10 OB06 (V1.0) according to the specific message contents. 1. Um interface...
  • Page 52 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The L3 message structure on the Um interface is shown in Figure 21. The protocol indicator is used to indicate the protocol type (RR, CM or SMS). TI, a transaction identifier, is used to distinguish multiple concurrent CM connections.

  • Page 53: System Functions

    C h a p t e r System Functions This chapter discusses the functions of the ZXG10 OB06 (V1.0), including RF, baseband processing, signaling processing, O&M, and ultra-distance coverage. Overview The OB06 receives the management and controls from BSC. It works with...

  • Page 54: High Receiving Sensitivity

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual High Receiving Sensitivity The static receiving sensitivity of the OB06 reaches up to -112dBm. The high sensitivity guarantees the uplink channel performance of the OB06, and is one of the prerequisites for a wide coverage of the OB06.

  • Page 55: Baseband Processing

    6. Um L3 message transparent receiving procedure in acknowledgement mode: This procedure allows the OB06 to give the BSC an indication that a Um interface L3 message is received transparently in the acknowledgement mode. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 56 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 7. Um message transparent forwarding procedure non- acknowledgement-mode: This procedure allows the BSC to request the OB06 to transparently forward a Um interface L3 message in the non- acknowledgement mode.
  • Page 57 "Timer T200 expires for N200 + 1 times: Execution is released abnormally" The FURRM attaches this cause in the ERROR REPORT message and reports it to the BSC. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 58 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Link Release The procedure of the link release originated by an MS is shown in Figure 2 6 M S - O I G U R E R I G I N A T E D...
  • Page 59 ( DATA REQ ) DL _DATA _ IND ( DATA REQ) Dm_DL _DATA_ R (I frames ) (RR frames) The BSC requests to send an acknowledgment mode L3 transparent message to the MS. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 60 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The DATA REQ message contains the complete acknowledgment mode L3 transparent message. At the time when the OB06 sends the I frame, the OB06 starts timer T200 and records the I frame resend times N200. When T200 expires for N200 times or the REJ frame is received, the OB06 sends the ERROR IND message to the BSC.

  • Page 61: Dedicated Channel Management Function

    OB06 to release a radio channel that will not be used any longer. 8. MS power control procedure: This procedure allows the BSS to control the transmitting power of the MS related to a specific activated channel. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 62 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 9. BS power control procedure: This procedure allows the BSS to control the transmitting power of an activated channel in the TRX. 10. Connection failure procedure: This procedure allows the OB06 to give the BSC an indication that an activated dedicated channel has been disconnected.
  • Page 63 If the TRX cannot activate the channel, it will return the CHAN ACTIV NACK message that contains the failure cause. Possible failure causes are O&M interference (channel blocked, for example), resource unavailability (without voice encoder, for example), equipment error, and channel activated. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 64 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 2. Handover The handover procedure is shown in Figure 35. 3 5 H I G U R E A N D O V E R HPIMan OAMM LAPDm FURRM LAPD...
  • Page 65 The parameters T3105 and Ny1 are sent by the OAMM module to the FURRM during the system initialization. Remarks: Similar to the link establishment procedure, when a TCH channel in the service mode is set up, it waits for a synchronization message. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 66 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Channel Mode Change 1. Mode change The successful mode change is shown in Figure 36. 3 6 S I G U R E U C C E S S O F...
  • Page 67 ACTIV ACK of the “access” procedure). Once the OB06 is activated, the BSC commands the MS to perform channel change through the (RR) ASSIGNMENT COMMAND message. When the MS changes its settings according to the new information and establishes a new signaling link, Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 68 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual the MS sends an (RR) ASSIGNMENT COMPLETE message to the BSC. If the MS cannot implement the connection allocation for some reasons, it will send the (RR) ASSIGNMENT FAILURE message on the original channel.
  • Page 69 When the BSC sends the (RR) CHANNEL RELEASE, it sends the DEACT SACCH message to the OB06, to command the OB06 to stop transmitting downlink SACCH frame. The FURRM module sends the related information in the DEACT SACCH message to the CHP for processing. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 70 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 2. Wireless channel release The wireless channel release procedure is shown in Figure 41. 4 1 W I G U R E I R E L E S S H A N N E L...
  • Page 71 M EAS RES) M EAS RES) The OB06 first preprocesses the MS measurement report, and then sends it together with the OB06 measurement result to the BSC through the PREPROC MEAS RES message. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 72 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 2. Power control The MS power control is shown in Figure 44. 4 4 M S P I G U R E O W E R O N T R O L...
  • Page 73 SACCH INFO ) 5/6 /5bis / 5ter) The BSC instructs the OB06 that the new system message ((RR) System Information Type 5/5bis/5ter/6) will change the original system message that is filled in the SACCH. Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 74: Public Channel Management Function

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The SACCH fill-in information in the SACCH INFO MODIFY message will be sent in the specified channel, till the channel is released or changed by another SACCH INFO MODIFY message.
  • Page 75 ASSIGNMENT REJECT on the same CCCH timeslot where the channel request message is received. If the downlink CCCH is overloaded, the FURRM sends the DELETE IND message to the BSC, notifying that an IMM ASS CMD command is deleted. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 76 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Paging The paging procedure is shown in Figure 50, and the MS paging response is shown in Figure 51. 5 0 P I G U R E A G I N G...
  • Page 77 With the SMS BROADCAST CMD message, the BSC can set the OB06 broadcast to the default mode. When there are no other messages to be broadcast in this mode, the OB06 will send a default message. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 78 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Broadcast Information 1 Change Procedure The procedure of broadcast information 1 change is shown in Figure 54. 5 4 B I G U R E R O A D C A S T...

  • Page 79: Trx Management Function

    CCCH overload, ACCCH overload or processor overload. 3. Error report procedure: With this procedure, the OB06 reports to the BSC the detected downlink message error that cannot be reported with other procedures. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 80 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Radio Resource Indication The radio resource indication is shown in Figure 56. 5 6 R I G U R E A D I O E S O U R C E...
  • Page 81 2. Error with one link layer. In other words, the I frame is repeated for N200 times but is not acknowledged. 3. The SABM or DISC frame is repeated for N200 times but is not acknowledged. 4. The SABM frame received in the multiframe establishment status Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 82: O&M

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Connection Failure The procedure of connection failure is shown in Figure 59. 5 9 C I G U R E O N N E C T I O N A I L U R E...

  • Page 83: Parameter Configuration

    CMM software of the successful configuration message at the same time, and configures the CHP and CIP. Alarm and Status Reporting The ZXG10 OB06 (V1.0) supports reporting the alarms and status of the OB06 to the BSC. Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 84: Online Software Loading

    ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual The alarm reporting process is shown in Figure 61. 6 1 A I G U R E L A R M E P O R T I N G R O C E S S...

  • Page 85: Ultra-Distance Coverage

    BTS of high-power output and high-gain antenna, it will be possible to offer coverage with a radius greater than 35 km. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 86 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual When the coverage distance is greater than 35 km, that is, when the air time delay is greater than 63, the time of arrival of a signal at the BTS will...
  • Page 87 120 km, and the maximum time advance is 219. Since the actual propagation loss of GSM900 is high, and due to the balance between upper and lower links, the actual coverage radius may be less than the theoretical value. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 88 Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 89: Networking Modes And System Configurations

    This chapter introduces the networking modes, system configurations, and networking examples of the ZXG10 OB06 (V1.0). Networking Modes The ZXG10 OB06 (V1.0) is connected to the BSC through the Abis interface, supporting networking modes of star, chain and tree. 1. Star networking mode Figure 66 shows the star networking node of the ZXG10 OB06 (V1.0).
  • Page 90 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 2. Chain networking mode Figure 67 shows the chain networking mode of the ZXG10 OB06 (V1.0). Each line denotes a bi-directional E1 connection; however, the actual related ID DIP switches at the BS side should be designed according to the relative configurations.

  • Page 91: System Configuration

    Types of sites: O-type sites and S-type sites, and the models are shown in Figure 70. An O-type site is an omni-directional cell, that is, all the carriers of the site serve the O-type cell; Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 92 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual An S-type site refers to a sectorized cell. Typically, a three-sector site is preferred; that is, each site has three sectors. 7 0 T I G U R E Y P E S O F...

  • Page 93: Bs Configuration Principles

    BS Configuration Principles Configuration of Standard Cabinet For 40 W configuration, the installation positions of functional modules of the ZXG10 OB06 (V1.0) in the cabinet are shown in Figure 71. 7 1 B 4 0 W S Z X G 1 0 O B 0 6 ( V 1 . 0 )
  • Page 94 Controller & Maintenance Module For the carrier configuration, TRM in one cell should in principle be configured inside one ZXG10 OB06 (V1.0) cabinet to minimize the length of the cabinet-crossing RF connection cable and reduce the loss over Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 95 4 is configured with 4 CDUs (CEU) Configuration Principle of AEM Two types of AEM units are available: CDU and CEU. The ZXG10 OB06 (V1.0) allows configuration of various types of sites by means of different combinations of Combiner Distribution Units and Combiner Extension Units.

  • Page 96: Expansion Configuration

    In general, 1 to 3 cabinets may be configured in a site to enlarge subscriber quantity, and it is recommended to configure cabinets as few as possible. In case of 40 W configuration, the ZXG10 OB06 (V1.0) can be configured as S2/S/S at most. In case of 80 W configuration, the ZXG10 OB06 (V1.0) can be configured as S1/3/3 at most.
  • Page 97 T X 1 T X 2 R X 1 R X 2 R X 3 R X 4 R X 1 R X 2 R X 3 R X 4 R X D T R M 1 Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 98 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Generally, the O2-type site is configured with 2 CDUs and 2 omni- directional receiving antennas. Figure 75 shows the configuration of 40 W and 80 W O2 -type sites, and Figure 76 shows the logical connection relationship.
  • Page 99 O N N E C T I O N E L A T I O N S H I P O F Y P E TX/RX TX/ RX RX RXD RX RXD RX RXD TRM 1 TRM 2 TRM 3 Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 100 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Generally, the O4-type site is configured with 2 CDUs and 2 omni- directional receiving antennas. Figure 79 shows the configuration of 40 W and 80 W O4 -type sites, and Figure 80 shows the logical connection relationship.
  • Page 101 O N F I G U R A T I O N O F Y P E I T E S Air duct ABM fan frame RTU fan frame Battery Transmission frame frame Power and monitoring Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 102 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual 8 2 L C D U / C E U 0 6 - T I G U R E O G I C A L O N N E C T I O N...
  • Page 103 I T E S Air duct Air duct ABM fan frame ABM fan frame RTU fan frame RTU fan frame Battery Battery Transmission frame Transmission frame frame frame Power and monitoring Power and monitoring Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 104 This page is intentionally blank Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 105: Appendix

    Base Station System (BSS) interface Radio Link Control/ Medium Access Control (RLC/MAC) protocol GSM05.02 Multiplexing and multiple access on the radio path GSM05.08 Radio subsystem link control GSM08.58 Base Station Controller - Base Transceiver Station (BSC - BTS) interface Layer 3 specification Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 106 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual This page is intentionally blank Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 107: Appendix

    3M (9.84 feet) for 1900MHz unit from the outside antenna. Exceeding this minimum separation will ensure that the worker or bystander does not receive RF-exposure beyond the Maximum Permissible Exposure according to section 1.1310 i.e. limits for Controlled Exposure. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 108 This page is intentionally blank Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 109: Appendix

    3M (9.84 feet) for 1800MHz unit from the outside antenna. Exceeding this minimum separation will ensure that the worker or bystander does not receive RF-exposure beyond the Maximum Permissible Exposure according to section EN50383:2002 limits for Controlled Exposure. Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 110 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual This page is intentionally blank Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 111: Abbreviations

    Base Transceiver Station CCCH Calling Control Channel Common Channel Combiner Distribution Unit CELL Cellular CELP Code Excited Linear Prediction Coding Combiner Extension Unit Channel Processor Carrier to Interference Ratio Carrier Interface Part Clock Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 112 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Abbreviation Full Name Communication Management Controller & Maintenance Module Circuit Switched Carrier Unit Data Base Data Base Subsystem DLCI Data Link Connection Identifier Discontinuous Receiving Digital Signal Processor Discontinuous Transmission...
  • Page 113 Radio Carrier Unit SACCH Slow Associated Control Channel Short Message Center Super Power Amplifier STRU Super Transceiver Unit Synclk Synchronous Clock Time Advance Traffic Channel TDMA Time Division Multiple Access Transmission Management Module Confidential and Proprietary Information of ZTE CORPORATION...
  • Page 114 ZXG10 OB06 ZTE Integrated Outdoor GSM Base Station Technical Manual Abbreviation Full Name Transceiver Process Unit Transceiver Module Transceivers Transmitter Visitor Location Register 8PSK 8-Phase Shift Keying Confidential and Proprietary Information of ZTE CORPORATION...

  • Page 115: Figures

    Figures Figure 1 Appearance of the ZXG10 OB06 ............2 Figure 2 Position of ZXG10 OB06 in GSM/GPRS Network ........2 Figure 3 Working Principle of the ZXG10 0B06 (V1.0) ........5 Figure 4 Layout of the ZXG10 OB06 System............ 6 Figure 5 Hardware Structure of the ZXG10 OB06 (V1.0) ........
  • Page 116 Figure 69 Schematic Diagram of Cells ............77 Figure 70 Two Types of Sites ...............78 Figure 71 Board Layout of 40 W Standard Fully-configured ZXG10 OB06 (V1.0) Carrier Frame..................79 Figure 72 Board Position of 80 W Standard Fully-configured ZXG10 OB06 (V1.0) Carrier Frame..................80...

  • Page 117: Tables

    Table 7 Number of Configured Carriers for All 40 W TRXs and the Correspondence between CDUs/CEUs and Antennas Configured in One Cell ......81 Table 8 Number of Configured Carriers for All 80 W TRXs and the Correspondence between CDUs/CEUs and Antennas Configured in One Cell ......82 Confidential and Proprietary Information of ZTE CORPORATION...

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