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Patent Searching and Data


Title:
METHOD AND DEVICE FOR RLF IN NR V2X
Document Type and Number:
WIPO Patent Application WO/2021/235705
Kind Code:
A1
Abstract:
Provided are a method for a first device carrying out wireless communication, and an apparatus supporting same. The method may comprise the steps of: transmitting sidelink control information (SCI) to a second device via a physical sidelink control channel (PSCCH); transmitting data to the second device via a physical sidelink shared channel (PSSCH) which is associated with the PSCCH; determining a physical sidelink feedback channel (PSFCH) resource on the basis of a slot and subchannel associated with the PSSCH; increasing a DTX counter by one on the basis of failing to receive hybrid automatic repeat request (HARQ) feedback on the PSFCH resource; receiving, from the second device, information related to dropping the transmission of the HARQ feedback; and decreasing the DTX counter by N on the basis of the information related to dropping the transmission of the HARQ feedback. Sidelink (SL) radio link failure (RLF) may be declared on the basis that the DTX counter reaches the maximum number of DTXs, and N may be a positive integer.

Inventors:
PARK, Giwon (KR)
BACK, Seoyoung (KR)
LEE, Jongyoul (KR)
Application Number:
PCT/KR2021/004784
Publication Date:
November 25, 2021
Filing Date:
April 16, 2021
Export Citation:
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Assignee:
LG ELECTRONICS INC. (KR)
International Classes:
H04L1/18; H04L1/16; H04L5/16; H04W4/40; H04W72/12; H04W76/14; H04W76/15
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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