Confidential and Proprietary Information of ZTE CORPORATION 121
Figures
Figure 1 BTS in GSM Network ....................................................................... 2
Figure 2 Working Principle Diagram of ZXG10-BTS (V2.9) ................................. 5
Figure 3 Hardware Architecture of ZXG10-BTS (V2.9)....................................... 6
Figure 4 Single Cabinet (40 W) in Full Configuration......................................... 8
Figure 5 Single Cabinet (80 W) in Full Configuration......................................... 9
Figure 6 Software Composition and Module Division of ZXG10-BTS (V2.9) ..........10
Figure 7 Module Structure of CMM Software ...................................................11
Figure 8 FUC Software Module Structure........................................................14
Figure 9 External Interface Positions of ZXG10-BTS (V2.9)...............................27
Figure 10 Circuit Service Protocol Layered Structure of Abis Interface ................28
Figure 11 Timeslot Configuration Examples of Abis Interface ............................30
Figure 12 Circuit Service Protocol Hierarchy of the Um Interface .......................32
Figure 13 Packet Service Protocol Stack Structure of the Um Interface...............32
Figure 14 Inter-rack Data Interfaces inside a Site ...........................................33
Figure 15 Timeslots in the Time and Frequency Domain...................................36
Figure 16 Schematic Diagram of the Frame Structure......................................36
Figure 17 Schematic Diagram of the 52-Multiframe Structure ...........................37
Figure 18 Schematic Diagram of 51-Frame Channel Structure ..........................40
Figure 19 Structure of the Half-Rate Voice Channel .........................................40
Figure 20 Mapping of PTCCH on the Physical Channel ......................................43
Figure 21 Time-Amplitude of the Normal Burst ...............................................45
Figure 22 Burst Types.................................................................................46
Figure 23 Structure of the Radio Block ..........................................................48
Figure 24 Position of the LapD Module...........................................................49
Figure 25 I-Frame Structure of LapD.............................................................49
Figure 26 UI Frame Structure of LapD ...........................................................50
Figure 27 LapDm Module.............................................................................51
Figure 28 I-frame Structure of LapDm...........................................................52
Figure 29 UI Frame Structure of LapDm ........................................................53
Figure 30 L3 Message Structure on the Um Interface.......................................54
Figure 31 Message Structure of L3 on the Abis Interface ..................................54
Figure 32 Procedure of Establishing an MS-Originated Link...............................59
Figure 33 Establishing a BSC-Originated Link .................................................60
Figure 34 Link Establishing Failure................................................................60
Figure 35 Link Release Originated by MS .......................................................61
Figure 36 Link Releasing Procedure Required by a BSC ....................................61
Figure 37 Link Release Failure......................................................................62
Figure 38 Sending a Transparent L3 Message in the Acknowledgment Mode........62
Figure 39 Receiving a Transparent L3 Message in the Acknowledgment Mode .....63
Figure 40 Transmitting a L3 Transparent Message in the Non-Acknowledgment
Mode ................................................................................................63
Figure 41 Receiving a L3 Transparent Message in the Non-Acknowledgment Mode
........................................................................................................64
Figure 42 Channel Activated Successfully ......................................................65
Figure 43 Channel Activation Failed ..............................................................66
Figure 44 Handover....................................................................................67
Figure 45 Mode Modified Successfully............................................................69
Figure 46 Mode Modification Failed ...............................................................70
Figure 47 Connection Assignment.................................................................71
Figure 48 Encryption ..................................................................................72
Summary of Contents for ZXG10-BTS
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