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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

A base station may indicate the PUSCH repetition type A or the PUSCH repetition type B to the terminal through RRC signaling. The terminal may repeatedly transmit a PUSCH based on the PUSCH repetition type indicated by the base station. When the PUSCH repetition type A is used, the terminal may transmit one or more PUSCHs. A minimum interval between first symbols in adjacent PUSCH transmissions may be one slot. When the PUSCH repetition type B is used, the terminal may transmit two or more PUSCHs. A minimum interval between first symbols in adjacent PUSCH transmissions may be the number of symbols included in the PUSCH. The PUSCH repetition type A may be used to extend a coverage, and the terminal may perform repeated transmission according to the PUSCH repetition type A. The PUSCH repetition type B may be used to reduce an error rate and/or latency, and the terminal may perform repeated transmission according to the PUSCH repetition type B. For convenience of description, a ‘PUSCH being transmitted once’ may be referred to as a ‘PUSCH instance’, and one PUSCH occasion may consist of one or more PUSCH instances.

權(quán)利要求

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