Title:
METHOD AND APPARATUS FOR SWITCHING OF MULTICAST AND BROADCAST SERVICE BETWEEN MULTICAST AND UNICAST IN A WIRELESS COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/158024
Kind Code:
A1
Abstract:
A method and apparatus for switching of multicast and broadcast service between multicast and unicast in a wireless communication system is described. A CU-CP establishes a connection with a wireless device for a Multicast and/or Broadcast Service (MBS). A CU-CP receives, from the CU-UP, a first message including a retransmission information on data transmission related to the MBS. A CU-CP determines whether to perform a switch of the first transmission to a second transmission for the MBS based on the retransmission information.
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Inventors:
BYUN DAEWOOK (KR)
XU JIAN (KR)
KIM SEOKJUNG (KR)
XU JIAN (KR)
KIM SEOKJUNG (KR)
Application Number:
PCT/KR2021/001446
Publication Date:
August 12, 2021
Filing Date:
February 04, 2021
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H04W76/40; H04W4/06; H04W28/02; H04W28/04; H04W76/20; H04W88/08
Domestic Patent References:
| WO2018236867A2 | 2018-12-27 | |||
| WO2013166423A2 | 2013-11-07 |
Foreign References:
| US20180123962A1 | 2018-05-03 | |||
| US20170374654A1 | 2017-12-28 |
Other References:
DAVID VARGAS, JORDI J. GIMENEZ, MIKKO SÄILY, DAVID NAVRÁTIL, ATHUL PRASAD, FASIL B. TESEMA, PETER SANDERS, WEI GUO, DE MI, CARLOS : "Broadcast and Multicast Communication Enablers for the Fifth-Generation of Wireless Systems Deliverable D3.3 RAN Logical Architecture and Interfaces for 5G-Xcast", 28 February 2019 (2019-02-28), XP055685520, Retrieved from the Internet [retrieved on 20200414]
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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