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TS 48.061 (RAN6)
In-band control of remote transcoders and rate adaptors for
half rate traffic channels

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(P) V14.0.0    2017/03    45 p.
(P) V13.0.0    2015/12    45 p.
(P) V12.0.0    2014/09    45 p.
(P) V11.0.0    2012/09    45 p.
(P) V10.0.0    2011/04    45 p.
(P) V9.0.0    2009/12    45 p.
(P) V8.0.0    2008/12    45 p.
(P) V7.0.0    2007/10    45 p.
(P) V6.0.0    2005/02    44 p.
(P) V5.0.0    2002/05    44 p.
(P) V4.1.1    2002/03    42 p.
(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:  Mr. Andersen, Niels Peter Skov
Antecedent:  TS 08.61    


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 Rec TS 48.060, both for the full and the half rate traffic channels (TCH/AFS and TCH/AHS).

This TS should be considered together with the TS 46 series, TS 44.021 (Rate Adaption on the MS BSS Interface) and TS 48.020 (Rate Adaption on the BTS/MSC Interface).


 

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1   Scope   PDF-p. 6
2   References
3   Definitions and abbreviations   PDF-p. 7
4   General approach   PDF-p. 8
5   Frame structure   PDF-p. 10
5.1   16 kbit/s submultiplexing
5.2   8 kbit/s submultiplexing   PDF-p. 16      Up
6   Procedures   PDF-p. 27
6.1   Remote Control of Transcoders and Rate Adaptors
6.2   Resource Allocation
6.3   Resource Release
6.4   In Call Modification   PDF-p. 28
6.5   Transfer of Idle Frames, Handling of missing data
6.6   Procedures for Speech Frames
6.7   Procedures for Data Frames
6.8   Frame Synchronization
6.9   Correction/detection of bit errors
6.10   Procedures for Operation & Maintenance      Up
A   Change History   PDF-p. 43

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