There are some challenges of direct communication and converged charging in large SA network construction to be solved.A converged charging project based on SCP and customized CG was proposed
following by analysis of how to meet converged charging requirements of large operators.Technology details of several cases and presents target evolution were compared.Finally
the deployment practice in commercial construction was described.
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references
3GPP . 3rd Generation partnership project; technical specification group services and system aspects; system architecture for the 5G system stage 2 (release 15):TS 23.501 V15.4.0 [S ] . 2018 .
3GPP . 3rd generation partnership project; technical specification group services and system aspects; telecommunication management; charging management; charging architecture and principles (Release 16):TS 32.240 V16.0.0 [S ] . 2019 .
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3GPP . 3rd Generation partnership project; technical specification group services and system aspects; system architecture for the 5G system stage 2 (Release 16):TS 23.501 V16.6.0 [S ] . 2020 .