The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 29, 2021
Filed:
Sep. 09, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seoul National University R&db Foundation, Seoul, KR;
Byounghoon Jung, Suwon-si, KR;
Jihoon Kim, Seongnam-si, KR;
Sunghyun Choi, Seoul, KR;
Kangjin Yoon, Seoul, KR;
Jaehong Yi, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seoul National University R&DB Foundation, Seoul, KR;
Abstract
A communication method using a plurality of channels in a wireless communication system supporting an unlicensed band. The communication method includes: performing listen-before-talk (LBT) for transmitting a random access preamble on each of a plurality of control channels supported by a user equipment (UE), from among a plurality of control channels supported by a base station; transmitting a random access preamble through a control channel where the LBT succeeded from among the plurality of control channels where the LBT for transmitting the random access preamble is performed; and receiving a random access response (RAR) through a control channel determined according to a result of the LBT performed by the base station, from among the plurality of control channels supported by the UE, wherein a control channel is a channel through which a control signal and a data signal are transmitted and received.