TR 23.860
Enabling Coder Selection and Rate Adaptation
for UTRAN and E-UTRAN
for Load Adaptive Applications

V10.0.0 (Wzip) 2010/06 14 p.

full Table of Contents for TR 23.860 Word version: 10.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content

Scope p. 5

References p. 5

Definitions and abbreviations p. 6

3.1	Definitions p. 6
3.2	Abbreviations p. 6

Requirements p. 6

4.1	General p. 6
4.2	Functional Requirements p. 6

Rate Adaptation in Release 9 (Informative) p. 7

Solutions p. 8

Codec selection during call establishment phase p. 8

Codec rate adaptation during call establishment phase p. 8

6.2.1	Codec data rate adaptation for voice during call establishment phase over UTRA/HSPA p. 8
6.2.2	Codec data rate adaptation for non-voice RTP-based services during call establishment phase over UTRA/HSPA and E-UTRA p. 8

Mid call rate adaptation p. 9

ECN support & Codec rate adaptation by IMS Core Network entities p. 9

6.4.1	General p. 9
6.4.2	CS GERAN/UTRAN Interworking at MGCF/IM-MGW p. 9
6.4.3	Interworking with non-ECN IP network and/or terminal at IBCF/TrGW p. 10
6.4.4	Interworking with non-3GPP ECN IP terminal at IBCF/TrGW p. 11
6.4.5	ECN support at IMS-ALG/IMS-AGW p. 11
6.4.6	ECN support at MRFC/MRFP p. 12
6.4.7	CS GERAN/UTRAN Interworking at the MSC Server enhanced for ICS/SRVCC / CS-MGW p. 12

Setting of Maximum Bit Rate (MBR) to be greater than the Guaranteed Bit Rate (GBR) over E-UTRA p. 12

Assessment p. 13

Conclusion p. 13

Change history p. 14