METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESS SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Title:

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING WIRELESS SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2020/032670

Kind Code:

A1

Abstract:

The present invention relates to a wireless communication system and, specifically, to a method comprising the steps of: transmitting first A/N information; receiving one or more data after transmitting the first A/N information; receiving downlink control information including a 1-bit indicator; and transmitting second A/N information including an A/N result for the one or more data depending on whether the 1-bit indicator is toggled, and to an apparatus therefor, wherein the second A/N information is generated by reflecting only a data reception state after the transmission of the first A/N information, on the basis of a case where the 1-bit indicator has been toggled; and the second A/N information is generated in consideration of (i) the first A/N information and (ii) the data reception state after the transmission of the first A / N information, on the basis of a case where the 1-bit indicator has not been toggled.

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Inventors:

YANG SUCKCHEL (KR)
KIM SEONWOOK (KR)
PARK HANJUN (KR)

Application Number:

PCT/KR2019/010053

Publication Date:

February 13, 2020

Filing Date:

August 09, 2019

Export Citation:

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Assignee:

LG ELECTRONICS INC (KR)

International Classes:

H04W74/00; H04L1/18; H04L5/00; H04W72/04; H04W72/12; H04W72/14; H04W74/08

Domestic Patent References:

WO2018131880A1

2018-07-19

Foreign References:

US20120134276A1

2012-05-31

Other References:

SAMSUNG: "HARQ enhancements for NR-U", R1-1806763, 3GPP TSG RAN WG1 MEETING #93, vol. RAN WG1, 11 May 2018 (2018-05-11), pages 1 - 3, XP051461963
ERICSSON: "Remaining issues for HARQ-ACK for MTC", R2-1807809, 3GPP TSG-RAN WG2#102, vol. RAN WG2, 11 May 2018 (2018-05-11), Busan, Republic of Korea, pages 1 - 5, XP051464934
QUALCOMM INCORPORATED: "On HARQ procedure upon skipping a UL transmission", R2-1808576 3GPP TSG-RAN WG2 MEETING #102, vol. RAN WG2, 11 May 2018 (2018-05-11), Busan, Korea, pages 1 - 3, XP051519969
See also references of EP 3817494A4

Attorney, Agent or Firm:

KBK & ASSOCIATES (KR)

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