新一代多媒体实时通信系统架构增强演进研究

doi:10.11959/j.issn.1000-0801.2022048

Abstract

Abstract:

With the development of 5G and 5G-Advanced network, multimedia real time communications were migrating towards the trends of super high definition, enhanced interaction, immersion and openness, which requires enhancements on the architecture and capability of legacy IMS based multimedia real time communication system.The enhancement technologies of the multimedia real time communication system was studied and accordingly was proposed.By defining an“IMS network” based interactive data channel, a service-based unified media control architecture and procedures of third party identity on top of IMS network were proposed, to better fulfill the diverse and immersive service experiences for personal and vertical users.A new design of the real time communication system architecture was proposed, which enabled simpler, more flexible and more open mechanisms of the session control, session routing, media management, service invoking and combination.

Key words: multimedia, real time communication, IMS network, voice service migration

CLC Number:

TP393

Yi JIANG, Yue ZHOU, Xueqian BAI, Bin WU, Chen LIU, Jianyin ZHANG. Study on the architecture enhancement and migration for the next generation of the multimedia real time communication system[J]. Telecommunications Science, 2022, 38(4): 156-166.

Figures/Tables 5

References 20

[1]	3GPP. IP multimedia subsystem (IMS network); Stage 2:TS 23.228[S]. 2021.
[2]	3GPP. IP multimedia call control protocol based on session initiation protocol (SIP) and session description protocol (SDP);stage 3:TS 24.229[S]. 2021.
[3]	3GPP. IP multimedia subsystem (IMS network); multimedia telephony; media handling and interaction :TS 26.114[S]. 2021.
[4]	IETF. Authenticated identity management in the session initiation protocol (SIP) :RFC8224[S]. 2018.
[5]	IETF. PASSporT:personal assertion token :RFC 8225[S]. 2018.
[6]	IETF. Personal assertion token (passport) extension for signature-based handling of asserted information using toKENs (SHAKEN) :RFC8588[S]. 2019.
[7]	ITU Recommendation. Gateway control protocol :H.248[S]. 2000.
[8]	3GPP. IP multimedia (IM) subsystem Cx and Dx interfaces;signalling flows and message contents; TS 23.501:[S]. 2019.
[9]	IETF. SIP:session initiation protocol :RFC3261[S]. 2002.
[10]	3GPP. Service requirements for the 5G system; Stage 1:TS 22.261[S]. 2021.
[11]	3GPP. System architecture for the 5G system (5GS) ; Stage 2:TS 23.501[S]. 2021.
[12]	3GPP. Procedures for the 5G system (5GS); stage 2:TS 23.502[S]. 2021.
[13]	5G-Advaned 网络技术演进白皮书[R]. 2020.
	5G-Advaned network technology evolution white paper[R]. 2020.
[14]	5G VoNR+白皮书[R]. 2020.
	5G VoNR+白皮书[R]. 2020.
[15]	3GPP. Access security for IP-based services:TS33.203:[S]. 2012.
[16]	IETF. Session description protocol :RFC4566[S]. 2006.
[17]	IETF. Personal assertion token (PASSporT) extension for diverted calls :RFC8946[S]. 2021.
[18]	3GPP. IP multimedia (IM) session handling; IM call model:TS23.218[S]. 2012.
[19]	3GPP. IMS网络 multimedia telephony communication service and supplementary services; Stage3:TS24.173[S]. 2012.
[20]	IETF. An offer/answer model with session description protocol (SDP):RFC3264[S]. 2002.

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