US 12,446,110 B2
Method and apparatus for handling multicast broadcast service in wireless communication system
Fasil Abdul Latheef, Calicut (IN); Vinay Kumar Srivastava, Bengaluru (IN); and Sriganesh Rajendran, Chennai (IN)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 18/019,925
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Aug. 5, 2021, PCT No. PCT/KR2021/010352
§ 371(c)(1), (2) Date Feb. 6, 2023,
PCT Pub. No. WO2022/031081, PCT Pub. Date Feb. 10, 2022.
Claims priority of application No. 202041033762 (IN), filed on Aug. 6, 2020; and application No. 2020 41033762 (IN), filed on Jul. 29, 2021.
Prior Publication US 2023/0292400 A1, Sep. 14, 2023
Int. Cl. H04W 76/40 (2018.01); H04W 48/10 (2009.01); H04W 48/20 (2009.01)
CPC H04W 76/40 (2018.02) [H04W 48/10 (2013.01); H04W 48/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method performed by a base station in a wireless communication system, the method comprising:
receiving, from an access and mobility function (AMF) entity, an N2 message associated with a request for a multicast and broadcast service (MBS) service;
transmitting, to a user equipment (UE), a message including an MBS radio bearer configuration associated with a point to multipoint (PTM) transmission mode;
transmitting, to the UE, MBS data via an MBS radio bearer with the PTM transmission mode;
transmitting, to the UE, a message including information associated with a condition related to a reception quality;
receiving, from the UE, a message related to an MBS transmission mode, based on the information associated with the condition; and
switching from the PTM transmission mode to a point to point (PTP) transmission mode and transmitting, to the UE, MBS data with the PTP transmission mode.