The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2026
Filed:
Jul. 14, 2021
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 76/00 (2018.01); H04W 40/24 (2009.01); H04W 76/40 (2018.01);
U.S. Cl.
CPC ...
H04W 40/248 (2013.01); H04W 40/246 (2013.01); H04W 76/40 (2018.02);
Abstract
A method and apparatus for 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 join a multicast group for a MB service. A CU-UP of a RAN node performs the MLD and/or IGMP Join procedure for the MB service indicated by the identity for the MB service along with an MB-UPF based on the LL MC address. A CU-UP of a RAN node transmits, to the CU-CP of the RAN node, a second message including a Join Complete Indication informing that joining the multicast group for the MB service is completed.