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ETSI TS 148 020
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ETSI TS 148 020 Digital cellular telecommunications system (Phase 2+); Rate adaption on the Base Station System - Mobile-services Switching Centre (BSS - MSC) interface (3GPP TS 48.020 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 04/01/2017
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Full Description
The present document defines rate adaptation functions to be used in PLMN Base Station Systems (BSS) transcoders and IWFfor adapting radio interface data rates to the 64 kbit/s used at the A-interface in A/Gb mode andfor adapting radio interface data rates to the Iu interface in GERAN Iu mode in accordance with 3GPP TS 43.010.The number of Base Station System - Mobile-services Switching Centre (BSS - MSC) traffic channels supporting data rate adaptation may be limited. In this case some channels may not support data rate adaptation. Those that do, shall conform to this specification.NOTE: This specification should be considered together with 3GPP TS 44.021 to give a complete description of PLMN rate adaptation.