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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

value, else if the monitoring UE is not configured with carrier indicator field then m′ = m, where m = 0, . . . , M(L) ? 1. M(L) is the number of PDCCH candidates to monitor in the given search space. Note that the carrier indicator field value is the same as ServCellIndex. For the common search spaces, Yk is set to 0 for the two aggregation levels L = 4 and L = 8. For the UE-specific search space Sk(L) at aggregation level L, the variable Yk is defined by Yk = (A · Yk?1)mod D where Y?1 = nRNTI ≠ 0, A = 39827, D = 65537 and k = └ns/2┘, ns is the slot number within a radio frame. The RNTI value used for nRNTI is defined in subclause 7.1 in downlink and subclause 8 in uplink.

權(quán)利要求

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