5G TIME SYNCHRONIZATION METHOD USING 5G REFERENCE TIME DISTRIBUTION AND NETWORK ENTITY PERFORMING THE SAME

A time synchronization method using 5G reference time distribution and a network entity performing the same are provided. The time synchronization method comprises the steps of: allowing a time-sensitive communication time synchronization function (TSCTSF) to receive a 5G reference time distribution...

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Bibliographic Details
Main Authors KIM CHANGKI, KANG YOO HWA
Format Patent
LanguageEnglish
Korean
Published 20.02.2023
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A time synchronization method using 5G reference time distribution and a network entity performing the same are provided. The time synchronization method comprises the steps of: allowing a time-sensitive communication time synchronization function (TSCTSF) to receive a 5G reference time distribution request including a time synchronization parameter value from an application function (AF); allowing the TSCTSF to perform policy modification; and allowing the TSCTSF to transmit the setting of the 5G reference time distribution to the AF. Even though a separate grandmaster clock is not provided, a synchronization service may be provided using only a 5G system clock. 5G 레퍼런스 시간 분배를 사용하는 시간 동기화 방법 및 이를 수행하는 네트워크 엔티티가 제공된다. 시간 동기화 방법은, TSCTSF(Time Sensitive Communication Time Synchronization Function)가 AF(Application Function)로부터 시간 동기화 파라미터 값을 포함하는 5G 레퍼런스 시간 분배 요청을 수신하는 단계; 상기 TSCTSF가 정책 수정을 수행하는 단계; 및 상기 TSCTSF가 상기 5G 레퍼런스 시간 분배의 설정을 상기 AF에 전달하는 단계를 포함하는 단계를 포함할 수 있다.
Bibliography:Application Number: KR20220100090