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규격에서 쓰이는 단어들에 대한 의미이다. shall은 mandatory.. 1. shall shall indicates a mandatory requirement to do something shall not indicates an interdiction (prohibition) to do something 2. should should indicates a recommendation to do something should not indicates a recommendation not to do something 3. may may indicates permission to do something need not indicates permission not to do something 4. can ca..

● 3GPP TS 23.501 V18.0.0 (2022-12) System architecture for the 5G System (5GS); (Stage 2) ● 3GPP TS 23.502 V18.0.0 (2022-12) Procedures for the 5G System (5GS); (Stage 2) ● 3GPP TS 23.503 V18.0.0 (2022-12) Policy and charging control framework for the 5G System (5GS); (Stage 2) ● 3GPP TS 23.247 V18.0.0 (2022-12) Architectural enhancements for 5G multicast-broadcast services; (Stage 2) ● 3GPP TS ..

3GPP 규격 마지막을 보면 Change History가 있다. 규격은 Release 버전이 올라갈수록 진화하는데 말 그대로 어떤 내용들이 바뀌었는지 기록하는 것이다. Change history Date Meeting TDoc CR Rev Cat Subject/Comment New version 12-2017 SP#78 - - - - MCC Editorial Update after TSG SA#78 Approval 15.0.0 03-2018 SP#79 SP-180090 0002 2 F Using NRF for UPF discovery 15.1.0 03-2018 SP#79 SP-180097 0003 2 F Configuration information the UE may exchange with the S..

Network Functions and entities The 5G System architecture consists of the following network functions (NF): - Authentication Server Function (AUSF). - Access and Mobility Management Function (AMF). - Data Network (DN), e.g. operator services, Internet access or 3rd party services. - Unstructured Data Storage Function (UDSF). - Network Exposure Function (NEF). - Network Repository Function (NRF)...

보통 3GPP 검색시 3gpp xx.xxx 라고 구글링하면 아래처럼 Specification을 확인할 수 있다. 3GPP에 대해 조금 더 자세히 알아보자. 1. 전체 구조 3GPP는 PCG (Project Co-ordination Group)과 TSG (Technical Specification Groups)가 있다. PCG는 최상위 의결기구고, PCG 아래에 여러개의 TSG 그룹을 두고 있다. TSG는 Radio Access Network, Core network, Service and system aspects, Terminals, GSM/EDGE LAN, Core network and terminals로 구성되어 있으며, TSG는 필요시 더 하위 그룹 개념인 WG을 만들게 된다. 2. 표준화 과정 ..