RANDOM ACCESS PROCEDURE BASED ON BEAM QUALITY

WIPO Patent Application WO/2020/222474

A1

A method and apparatus for random access procedure based on a beam quality in a wireless communication system is provided. A wireless device monitors a paging including information on one or more beams associated with a contention free random access procedure and selects at least one beam of which a quality is above a threshold among the one or more beams. The wireless device performs the contention free random access procedure via the at least one beam. When there is no beam of which the quality is above the threshold, the wireless device performs a contention based random access procedure.

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LEE YOUNGDAE (KR)
CHOE HYUNJUNG (KR)
JUNG SUNGHOON (KR)

PCT/KR2020/005487

November 05, 2020

April 27, 2020

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LG ELECTRONICS INC (KR)

H04W72/04; H04L5/00; H04W68/02; H04W72/02

WO2019032853A1

2019-02-14

US20180324653A1

2018-11-08

LG ELECTRONICS: "Initial access and mobility for NR-U", 3GPP DRAFT; R1-1904623, 12 April 2019 (2019-04-12), Xi’an, China, pages 1 - 21, XP051691652
ERICSSON: "RACH optimization in NR", 3GPP DRAFT; R2-1904012, 12 April 2019 (2019-04-12), Xi'an, China, pages 1 - 7, XP051693245
ERICSSON: "MT early data after preamble", 3GPP DRAFT; R2-1903828, 12 April 2019 (2019-04-12), Xi’An, China, pages 1 - 8, XP051693080

ENVISION PATENT & LAW FIRM (KR)

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