Title:
METHOD AND APPARATUS FOR STOPPING MULTICAST AND BROADCAST SERVICE IN A WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/015046
Kind Code:
A1
Abstract:
A method and apparatus for stopping multicast and broadcast service in a wireless communication system is provided. A CU-UP of a RAN node receives, from a CU-CP of the RAN node, a first message to initiate a MLD) and/or IGMP Leave procedure. A CU-UP of a RAN node performs the MLD and/or IGMP Leave procedure for the MB service indicated by the identity for the MB service along with an MB-UPF based on the Transmission Stop Indication. A CU-UP of a RAN node transmits, to the CU-CP of the RAN node, a second message informing that the MLD and/or IGMP Leave procedure is completed.
Inventors:
BYUN DAEWOOK (KR)
XU JIAN (KR)
KIM SEOKJUNG (KR)
XU JIAN (KR)
KIM SEOKJUNG (KR)
Application Number:
PCT/KR2021/009041
Publication Date:
January 20, 2022
Filing Date:
July 14, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W76/40; H04W4/06; H04W76/30; H04W88/08
Domestic Patent References:
| WO2020033451A1 | 2020-02-13 | |||
| WO2020002374A1 | 2020-01-02 |
Foreign References:
| US20190059027A1 | 2019-02-21 |
Other References:
ANONYMOUS: "3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on architectural enhancements for 5G multicast-broadcast services (Release 17)", 3GPP STANDARD; TECHNICAL REPORT; 3GPP TR 23.757, no. V0.4.0, 22 June 2020 (2020-06-22), pages 1 - 157, XP051924090
JUNIPER NETWORKS, BBC: "Alignment on the use of terminologies for delivery methods", 3GPP DRAFT; S2-2004162, vol. SA WG2, 22 May 2020 (2020-05-22), pages 1 - 23, XP051890167
JUNIPER NETWORKS, BBC: "Alignment on the use of terminologies for delivery methods", 3GPP DRAFT; S2-2004162, vol. SA WG2, 22 May 2020 (2020-05-22), pages 1 - 23, XP051890167
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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