US 12,225,434 B2
Method and apparatus for transmitting and receiving data in wireless communication system
Youngkyo Baek, Suwon-si (KR); Sangsoo Jeong, Suwon-si (KR); and Jungje Son, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/754,141
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
PCT Filed Sep. 23, 2020, PCT No. PCT/KR2020/012851
§ 371(c)(1), (2) Date Mar. 24, 2022,
PCT Pub. No. WO2021/060823, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 10 2019 0120127 (KR), filed on Sep. 27, 2019; and application No. 10 2020 0061128 (KR), filed on May 21, 2020.
Prior Publication US 2022/0295236 A1, Sep. 15, 2022
Int. Cl. H04W 4/06 (2009.01); H04W 28/02 (2009.01); H04W 76/12 (2018.01); H04W 76/40 (2018.01)
CPC H04W 4/06 (2013.01) [H04W 28/0268 (2013.01); H04W 76/12 (2018.02); H04W 76/40 (2018.02)] 15 Claims
OG exemplary drawing
 
1. A method of transmitting and receiving data by a base station (BS) in a wireless communication system, the method comprising:
transmitting traffic to at least one user equipment (UE) connected to the BS via a unicast scheme;
based on information about a number of UEs connected to the BS to use a particular application, a particular service, or a particular session, or information of traffic to be used by the UE, determining whether to switch a transmission scheme of the traffic from the unicast scheme to a broadcast/multicast scheme;
as the broadcast/multicast scheme is determined as the transmission scheme of the traffic, transmitting a message informing that the transmission scheme of the traffic is to be switched; and
when the number of UEs using the particular application, the particular service, or the particular session or the traffic of the UE exceeds a threshold, transmitting, to a core network device, an event subscription message requesting a notification therefor.