查看完整版本: 3GPP2 Tandem Free Operation Specification AS0004

3GPP2 Tandem Free Operation Specification AS0004

以下为一般性带附件资料发贴选项：
【资料成文时间】：December 21, 1999
【语言】：ENG
【页数】：90
【何人（公司）所著】：3GPP2
【文件格式】：PDF
【文件原名】：3GPP2 Tandem Free Operation Specification
【摘要或目录】：
1 Contents
2 Foreword................................................................................................................................................. 5
3 Scope ...................................................................................................................................................... 6
4 References............................................................................................................................................... 6
5 Definitions and Abbreviations.................................................................................................................. 6
5.1 Definitions........................................................................................................................................................ 6
5.2 Abbreviations ................................................................................................................................................... 7
6 General Approach.................................................................................................................................... 8
6.1 Background ...................................................................................................................................................... 8
6.2 Principle of Tandem Free Operation .................................................................................................................. 9
7 TFO Frame Structure ............................................................................................................................. 10
7.1 TFO Frame Structure for 16 kBit/s Sub-Multiplexing ...................................................................................... 10
7.1.1 Requirements/Assumptions for TFO Frame Structure Definitions............................................................... 10
7.1.2 Coding of TFO Frames for 16 kBit/s Sub-Multiplexing .............................................................................. 10
7.1.2.1 Coding of System Identification Bits (S1..S8)........................................................................................ 10
7.1.2.2 Coding of Speech Codec Type (C1..C4) ................................................................................................ 11
7.1.2.3 Embedded TFO Message Indicator Bit (C5) .......................................................................................... 11
7.1.2.4 Packet Type Information for CDMA Variable Rate Codecs (D1..D9) .................................................... 11
7.1.2.5 Coding of Time Alignment Bits (T1..T4) .............................................................................................. 13
7.1.2.6 Coding of Data Bits for VSELP, EFRC, US1, Q8 and EVRC (D-Bits) .................................................. 13
7.1.2.7 Coding of Data Bits for Q13 (D-Bits).................................................................................................... 13
7.1.2.8 Rate Reduction Parameters for CDMA Variable Rate Codecs................................................................ 14
7.1.2.9 Dim-And-Burst with CDMA Variable Rate Codecs............................................................................... 14
7.1.3 TFO Frames for 16 kBit/s Sub-Multiplexing............................................................................................... 14
7.1.3.1 TFO Frame Structure for TDMA VSELP (TIA/EIA-136-420)............................................................... 15
7.1.3.2 TFO Frame Structure for TDMA EFRC (TIA/EIA-136-410)................................................................. 17
7.1.3.3 TFO Frame Structure for TDMA US1 (TIA/EIA-136-430) ................................................................... 19
7.1.3.4 TFO Frame Structure for CDMA Q8 (IS-96-C)..................................................................................... 20
7.1.3.5 TFO Frame Structure for CDMA EVRC (IS-127) ................................................................................. 23
7.1.3.6 TFO Frame Structure for CDMA Q13 (IS-733)..................................................................................... 25
8 TFO Message Structure......................................................................................................................... 28
8.1 Definition of the TFO_REQ Messages ............................................................................................................. 29
8.1.1 Definition of the TFO_Req_Extension_Block............................................................................................. 30
8.1.2 Cyclic Redundancy Check .......................................................................................................................... 30
8.1.3 Definition of the Codec_List_Extension_Block........................................................................................... 30
8.2 Definition of the TFO_ACK Messages............................................................................................................. 31
8.2.1 Definition of the TFO_Ack_Extension_Block............................................................................................. 31
8.3 Definition of the TFO_TRANS Messages ........................................................................................................ 32
8.4 Definition of the TFO_NORMAL Message...................................................................................................... 32
8.5 Definition of the TFO_FILL Message .............................................................................................................. 32
8.6 Definition of the TFO_DUP Message............................................................................................................... 32
8.7 Definition of the TFO_SYL Message ............................................................................................................... 32
Dec 21st 1999 Revision 1.0.0, Subject to change 3GPP2 A.S0004-
0
3
9 Time Alignment of TFO Frames and TFO Messages............................................................................... 32
9.1 Time Alignment of TFO Messages .................................................................................................................. 33
9.2 Time Alignment of TFO Frames...................................................................................................................... 33
9.3 Time Alignment of TFO Frames to Downlink TRAU Frames .......................................................................... 34
10 Processes for Tandem Free Operation ..................................................................................................... 35
10.1 Rx_TRAU Process.......................................................................................................................................... 36
10.2 Tx_TRAU Process.......................................................................................................................................... 36
10.2.1 Downlink Speech Transmission if TFO is ON ............................................................................................ 36
10.2.2 DTX handling for ANSI-136...................................................................................................................... 37
10.2.3 Synchronisation and Bit Errors in Received TFO Frames ........................................................................... 37
10.3 Tx_TFO Process............................................................................................................................................. 37
10.4 Rx_TFO Process............................................................................................................................................. 38
10.4.1 Search for and Monitoring of TFO Synchronization ................................................................................... 38
10.4.2 Errors in TFO Messages and TFO Frames.................................................................................................. 39
10.5 TFO_Protocol Process..................................................................................................................................... 40
10.5.1 Messages from Rx_TRAU or local MSC .................................................................................................... 40
10.5.2 Messages to Tx_TRAU.............................................................................................................................. 40
10.5.3 Optional Messages to the local MSC .......................................................................................................... 40
10.5.4 Messages to and from Tx_TFO................................................................................................................... 40
10.5.5 Messages from Rx_TFO............................................................................................................................ 40
10.5.6 Messages from higher system level (CDMA only) ...................................................................................... 41
11 State Machine of the TFO_Protocol Process for CDMA.......................................................................... 42
11.1 Initialisation ................................................................................................................................................... 43
11.1.1 Not_Active State ....................................................................................................................................... 43
11.1.2 Wakeup State ............................................................................................................................................ 43
11.2 Establishment ................................................................................................................................................. 43
11.2.1 First_Try State .......................................................................................................................................... 43
11.2.2 Continuous_Retry State .............................................................................................................................. 43
11.2.3 Periodic_Retry State .................................................................................................................................. 43
11.2.4 Monitor State ............................................................................................................................................ 44
11.2.5 Mismatch State ......................................................................................................................................... 44
11.3 Contact State .................................................................................................................................................. 44
11.4 Konnect State ................................................................................................................................................. 44
11.5 Operation State............................................................................................................................................... 44
11.6 Tandem .......................................................................................................................................................... 44
12 Detailed Description of TFO_Protocol for CDMA .................................................................................. 45
13 State Machine of the TFO_Protocol Process for TDMA.......................................................................... 57
13.1 Initialisation ................................................................................................................................................... 58
13.1.1 Not_Active State ....................................................................................................................................... 58
13.1.2 Wakeup State ............................................................................................................................................ 58
13.2 Establishment ................................................................................................................................................. 58
13.2.1 First_Try State .......................................................................................................................................... 58
13.2.2 Continuous_Retry State .............................................................................................................................. 58
13.2.3 Periodic_Retry State .................................................................................................................................. 59
13.2.4 Monitor State ............................................................................................................................................ 59
13.2.5 Mismatch State ......................................................................................................................................... 59
13.3 Contact State .................................................................................................................................................. 59
13.4 Konnect State ................................................................................................................................................. 59
13.5 Operation State............................................................................................................................................... 59
13.6 Local HO........................................................................................................................................................ 59
13.6.1 Fast_Try State ........................................................................................................................................... 59
Dec 21st 1999 Revision 1.0.0, Subject to change 3GPP2 A.S0004-
0
4
13.6.2 Fast_Contact State..................................................................................................................................... 60
13.7 Distant HO, TFO Interruption......................................................................................................................... 60
13.7.1 Sync_Lost State......................................................................................................................................... 60
13.7.2 Re_Konnect State...................................................................................................................................... 60
13.8 Failure State ................................................................................................................................................... 60
14 Detailed Decription of TFO_Protocol for CDMA.................................................................................... 60
15 Codec Mismatch Resolution and Codec Optimization.............................................................................. 72
16 Annex A (Normative): Inband Signalling Protocol: Generic Structure ...................................................... 74
16.1 Generic Structure of Inband Signalling Messages ............................................................................................ 74
16.1.1 Frequency and Order of Bit Transmission .................................................................................................. 74
16.1.2 IS_Header ................................................................................................................................................. 75
16.1.3 IS_Command_Block ................................................................................................................................. 75
16.1.4 IS_Extension_Block(s) ............................................................................................................................... 76
16.2 Detailed Specification of IS Messages.............................................................................................................. 76
16.2.1 IS_REQ Message ...................................................................................................................................... 76
16.2.2 IS_ACK Message...................................................................................................................................... 76
16.2.3 IS_IPE, IS_TRANS and IS_NORMAL Messages....................................................................................... 77
16.2.4 IS_FILL Message ...................................................................................................................................... 78
16.2.5 IS_DUP Message....................................................................................................................................... 78
16.2.6 IS_SYL Message....................................................................................................................................... 78
16.3 Keep_Open_Indication ................................................................................................................................... 79
16.4 Rules for Sending of IS Messages .................................................................................................................... 79
16.5 IS_System_Identification_Block ...................................................................................................................... 80
17.1 Types of In Path Equipment............................................................................................................................ 82
17.2 IS_Compliant IPEs ......................................................................................................................................... 83
17.2.1 Typical IPEs are IS_Passive ....................................................................................................................... 83
17.2.2 IS Message_Transparency .......................................................................................................................... 83
17.2.2.1 First IS Message .................................................................................................................................. 83
17.2.2.2 IS Messages within a Sequence ............................................................................................................. 83
17.2.2.3 Isolated IS Message.............................................................................................................................. 84
17.2.2.4 Check if IS Message is following .......................................................................................................... 84
17.2.3 IPE State Representation ............................................................................................................................ 84
17.2.4 IPE in Sync_Not_Found............................................................................................................................ 85
17.2.5 IPE in Sync_Found.................................................................................................................................... 86
17.2.6 IPE in Sync_Lost....................................................................................................................................... 86
17.2.7 IPE in Keep_Open_Sync ............................................................................................................................ 86
17.2.8 IPE in Keep_Open_Lost ............................................................................................................................. 86
17.3 IPE Error Handling ........................................................................................................................................ 87
17.4 IPE Transmission Delay ................................................................................................................................. 87
17.4.1 IPE Transmission Delay in Normal_Mode.................................................................................................. 87
17.4.2 IPE Transmission Delay in Transparent_Mode........................................................................................... 87
17.5 Compliance to IS Messages ............................................................................................................................. 87
17.5.1 Compliance to IS_REQ and IS_ACK Messages.......................................................................................... 88
17.5.2 Compliance to IS_NORMAL Message ....................................................................................................... 88
17.5.3 Compliance to IS_TRANS_x Messages...................................................................................................... 88
17.5.4 Compliance to IS_TRANS_x_u Messages .................................................................................................. 88
17.5.5 Compliance to IS_FILL Message................................................................................................................ 88
17.5.6 Compliance to IS_DUP Messages............................................................................................................... 89
17.5.7 Compliance to IS_SYL Messages ............................................................................................................... 89
18 History.................................................................................................................................................. 90
(请保留上面有用的说明选项，无用的请删除！！！)