3 Definitions and abbreviations

11.243GPPGSM Transcoding and Rate Adaptation: Base Station System Equipment SpecificationTS

3.1 Definitions

Error-free radio conditions A condition for a test signal applied to the antenna connector, defined in subclause 4.1.1.1

Perfect radio conditions A condition for a test signal applied to the antenna connector, defined in subclause 4.1.1.1

3.2 Abbreviations

For the purposes of this ETS, the following abbreviations apply in addition to those given in ETR 100 (GSM 01.04) [1]:

AGCH Access Grant CHannel

BCCH Broadcast Control CHannel

BSS Base Station System

BTS Base Transceiver Station

CCU Channel Coder Unit

DTX Discontinuous Transmission

FACCH Fast Associated Control CHannel

FS Full rate Speech

HS Half rate Speech

MSC Mobile Switching Centre

OMC Operations and Maintenance Centre

PCH Paging CHannel

PCM Pulse Code Modulation

RA Rate Adaption

RACH Random Access CHannel

TCH Traffic CHannel

SACCH Slow Associated Control CHannel

SDCCH Standalone Dedicated Control CHannel

SCH Synchronization Channel