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Method and apparatus for transmitting and receiving downlink control signal in wireless communication system

專利號
US11159300B2
公開日期
2021-10-26
申請人
Samsung Electronics Co., Ltd.(KR Suwon-si)
發(fā)明人
Taehyoung Kim; Youngbum Kim; Jinyoung Oh; Seunghoon Choi; Heedon Gha
IPC分類
H04L5/10; H04L5/00; H04L1/00; H04W72/04
技術(shù)領(lǐng)域
coreset,dmrs,search,bs,terminal,pdcch,dci,space,in,may
地域: Suwon-si

摘要

The present disclosure relates to a communication technique for fusing a 5G communication system to support a higher data rate than a 4G system with IoT technology; and a system thereof. In embodiments according to the disclosure provide an improved method for transmitting and receiving a control channel. A method performed by a base station according to disclosed aspects includes: transmitting first control area setting information containing first demodulation reference signal (DMRS) setting information for a first control area, transmitting second control area setting information containing second DMRS setting information for a second control area, identifying a third control area where the first control area overlaps with the second control area, and transmitting a DMRS on the basis of the first DMRS configuration information in the first control area including the third control area. A corresponding method performed by a terminal, a base station and a terminal are also described.

說明書

For example, the above-described common search space type 4 and common search space type 5 may be configured to exist in not only the primary cell but also the secondary cell, all of which are configured for the terminal. That is, the terminal may monitor common search space type 4 and common search space type 5 in all of the configured primary cell and secondary cell. Since each of common search space type 4 (a purpose of pre-emption indication) and common search space type 5 (a purpose of slot format indication) corresponds to a common search space in which an indicator necessary for the terminal to transmit or receive DL/UL data can be transmitted, it may be desirable to configure common search space type 4 and common search space type 5 for all of the primary cell and the secondary cell.

Hereinabove, method 1, method 2, method 3, method 4, and method 5 have been separately described, but some of method 1, method 2, method 3, method 4, and method 5 may be combined and practiced.

Hereinabove, Embodiment 1 and Embodiment 2 have been separately described for convenience of description, but some of operations of Embodiment 1 and Embodiment 2 may be combined and practiced.

權(quán)利要求

1
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