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TS 08.61 (RAN6)
In-band control of remote transcoders and rate adaptors for half rate traffic channels

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(P) GSM Rel-99 v8.1.0  2002/02  43 p.
(P) GSM Rel-98 v7.3.0  2002/02  45 p.
(P) GSM Rel-97 v6.0.1  1998/11  34 p.
(P) GSM Rel-96 v5.0.1  1996/11  36 p.
(P) GSM Phase-2 v4.0.2  1995/11  39 p.


Rapporteur:  ANDERSEN, Niels Peter Skov
Descendant:  TS 48.061

This TS describes the protocol between the Base Transceiver Station (BTS) and the remote Transcoder/Rate Adaption Unit (TRAU) for speech and data on half rate traffic channel (TCH/H).

For Half Rate speech and half rate data the protocol is specified for 8 kbit/s and 16 kbit/s submultiplexing scheme.

For Adaptive Multi-Rate speech this TS specifies the 8 kBit/s submultiplexing, both for the full and the half rate traffic channels (TCH/AFS and TCH/AHS). The specification for 16 kBit/s submultiplexing is given in TS 08.60, both for the full and the half rate traffic channels (TCH/AFS and TCH/AHS).

This TS should be considered together with the GSM 06 series, TS 04.21 (Rate Adaption on the MS BSS Interface) and TS 08.20 (Rate Adaption on the BTS/MSC Interface).


 

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1  ScopePDF-p. 6
2  References
3  Definitions and abbreviationsPDF-p. 7
4  General approachPDF-p. 8
5  Frame structurePDF-p. 10
5.1  16 kbit/s submultiplexing
5.2  8 kbit/s submultiplexingUp
6  Procedures
6.1  Remote Control of Transcoders and Rate Adaptors
6.2  Resource AllocationPDF-p. 25
6.3  Resource Release
6.4  In Call Modification
6.5  Transfer of Idle Frames, Handling of missing dataPDF-p. 26
6.6  Procedures for Speech Frames
6.7  Procedures for Data Frames
6.8  Frame Synchronization
6.9  Correction/detection of bit errorsUp
6.10  Procedures for Operation & Maintenance
A  Change HistoryPDF-p. 41

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