	US 11,997,637 B2
	Method and apparatus for downlink uplink collision handling in wireless communication network
Lalith Kumar, Bangalore (IN); Kundan Tiwari, Bangalore (IN); Debabrata Das, Bangalore (IN); and Anikethan Ramakrishna Vijaya Kumar, Bangalore (IN)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Appl. No. 17/635,239
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
PCT Filed Aug. 7, 2020, PCT No. PCT/KR2020/010498 § 371(c)(1), (2) Date Feb. 14, 2022, PCT Pub. No. WO2021/033975, PCT Pub. Date Feb. 25, 2021.
Claims priority of application No. 201941033812 (IN), filed on Aug. 22, 2019; and application No. 2019 41033812 (IN), filed on Jul. 27, 2020.
Prior Publication US 2022/0295440 A1, Sep. 15, 2022
Int. Cl. H04W 60/06 (2009.01); H04W 60/02 (2009.01); H04W 76/34 (2018.01); H04W 88/12 (2009.01)

CPC H04W 60/06 (2013.01) [H04W 60/02 (2013.01); H04W 76/34 (2018.02); H04W 88/12 (2013.01)]

15 Claims

1. A method performed by a terminal in a mobile communication system, the method comprising:

transmitting, to a network entity, a first message to initiate a service request procedure;

receiving, from the network entity, a second message to initiate a deregistration procedure including access type information for the deregistration procedure, wherein the access type information indicates one of a first type access, a second type access, or both first type access and the second type access;

identifying a collision between the service request procedure and the deregistration procedure, in case that the terminal receives the second message before a reception of a response to the first message from the network entity;

identifying whether the collision is valid based on whether the access type information indicates an access type over which the service request procedure is attempted; and

determining whether to progress both the service request procedure and the deregistration procedure based on a result of the identification of whether the collision is valid.