DEVICE AND METHOD FOR GRANT-FREE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM

Title:

DEVICE AND METHOD FOR GRANT-FREE COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2019/035680

Kind Code:

A1

Abstract:

Disclosed is a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE). A method by which a terminal operates in a wireless communication system comprises the steps of: receiving, from a base station, control information for grant-free communication; and generating a reference signal by using one sequence among sequences included in sequence set information on the reference signal included in the control information, and transmitting, to the base station, the reference signal and a data signal by using grant-free resource region information included in the control information. The one sequence is used for an identification of the terminal by the base station.

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Inventors:

KIM CHANHONG (KR)
KIM YEONGHWAN (KR)
LEE CHUNGYONG (KR)
HAN YONGGUE (KR)
HONG SUNGNAM (KR)

Application Number:

PCT/KR2018/009441

Publication Date:

February 21, 2019

Filing Date:

August 17, 2018

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)
UNIV YONSEI IACF (KR)

International Classes:

H04W74/00; H04W72/04; H04W74/08

Foreign References:

US20170111147A1	2017-04-20
US20160142981A1	2016-05-19
KR20170082763A	2017-07-17

Other References:

LG ELECTRONICS: "Discussion on grant-based and grant-free UL transmissions for latency", R1-1702490, 3GPP TSG RAN WG1 MEETING #88, 7 February 2017 (2017-02-07), Athens Greece, XP051221348
SAMSUNG: "On grant-free UL transmissions for URLLC", R1-1702996, 3GPP TSG RAN WG1 MEETING #88, 7 February 2017 (2017-02-07), Athens, Greece, XP051221796

Attorney, Agent or Firm:

KWON, Hyuk-Rok et al. (KR)

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