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Method and apparatus for extending coverage in communication system

專利號
US11611989B2
公開日期
2023-03-21
申請人
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE（KR Daejeon）
發(fā)明人
Cheul Soon Kim; Jae Heung Kim; Sung Hyun Moon; Jung Hoon Lee; Sung Cheol Chang
IPC分類
H04W74/00; H04W74/08; H04W72/14; H04W24/10; H04W72/1268; H04W72/04
技術(shù)領(lǐng)域
pusch,pucch,occasion,may,terminal,ul,be,instance,coherence,in
地域： Daejeon

摘要

An operation method of a terminal in a communication system may comprise receiving first random access (RA) configuration information and second RA configuration information from a base station; transmitting a Msg1 to the base station based on the second RA configuration information; receiving a Msg2, which is a response to the Msg1, from the base station; and repeatedly transmitting a Msg3 K times to the base station.

說明書

Here, the value of Δ(i) may be fixed to 0 according to a value indicated by RRC signaling. Alternatively, the value of Δ(i) may be calculated as a different value according to a value indicated by RRC signaling. When the PUSCH instance is transmitted through two or more MIMO layers, ‘Δ(i)=0’ may be indicated regardless of RRC signaling. When the PUSCH instance is transmitted through one MIMO layer, ‘Δ(i)=0’ may be indicated by RRC signaling. Alternatively, when the PUSCH instance is transmitted through one MIMO layer, ‘Δ(i)=10·log10({21.25·BPRE?1}·β)’ may be indicated by RRC signaling. Here, bits per RE (BPRE) may be a variable related to the code rate. A BPRE when a TB is mapped to the PUSCH instance may be calculated differently from a BPRE when only aperiodic channel state information (CSI) is mapped to the PUSCH instance without a TB. When the PUSCH instance includes a

TB , ‘ BPRE = 1 N R ? E · ∑ r = 0 C - 1 ? ? K r ’

權(quán)利要求

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