Invention Grant
- Patent Title: Method for uplink channel access to unlicensed band in wireless communication system, and device therefor
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Application No.: US16929058Application Date: 2020-07-14
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Publication No.: US11330609B2Publication Date: 2022-05-10
- Inventor: Minseok Noh , Jinsam Kwak , Juhyung Son
- Applicant: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Applicant Address: KR Gyeonggi-do
- Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Current Assignee: WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC.
- Current Assignee Address: KR Gyeonggi-do
- Agency: Ladas & Parry, LLP
- Priority: KR10-2016-0034934 20160323,KR10-2016-0039811 20160331,KR10-2016-0059131 20160513
- Main IPC: H04W72/14
- IPC: H04W72/14 ; H04W72/12 ; H04L5/00 ; H04L27/26 ; H04W16/14 ; H04W72/04 ; H04W74/08
Abstract:
A method for performing an uplink transmission to a base station by a user equipment through an unlicensed cell in a wireless communication system is provided. The method includes: receiving an uplink grant that schedules the uplink transmission in at least one subframe from the base station; and performing the uplink transmission in the at least one subframe using at least one of a first type channel access or a second type channel access. The uplink transmission is performed using the second type channel access when all of the at least one subframe is included in a predetermined interval determined based on a downlink transmission through the unlicensed cell from the base station.
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