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TS 08.54 (RAN6)
BSC-BTS Layer 1 – Structure of Physical Circuits

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(P) GSM Rel-99 v8.0.1    2002/06    9 p.
(P) GSM Rel-98 v7.0.0    1999/06    8 p.
(P) GSM Rel-97 v6.0.0    1998/10    8 p.
(P) GSM Rel-96 v5.0.0    1995/10    9 p.
(W-zip) GSM Phase-2 v4.1.0    1995/01    9 p.
(P) GSM Phase-1 v3.0.1    1992/02    8 p.

Rapporteur:  ANDERSEN, Niels Peter Skov
Descendant:  TS 48.054    

The use and general aspects of the A-bis interface are given in TS 08.51.

This TS defines the structure of the physical layer (layer 1) of the BSC - BTS/TRX interface for supporting traffic channels and control channels. Use of the physical layer for supporting link protocol is covered in TS 08.56.

The physical layer is the lowest layer in the OSI Reference Model and it supports all functions required for transmission of bit streams on the physical medium.

For this TS only digital transmission will be considered, the use of analogue transmission is a national concern.


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