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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

For example, with respect to a continuous transmission method in a PUSCH occasion (e.g., FIGS. 6, 7, and 8), Method 2.4-2 may be applied. In addition, it is preferable that the terminal does not update both the open-loop control parameters and the closed-loop control parameters for all PUSCH instances belonging to the PUSCH occasion. This will be explained in Method 2.4-4 below.

Method 2.4-4: For a transmit power applied to a PUSCH instance, a terminal may not update PL(q) and f(i,l).

2.4.1 where UL occasions (e.g., PUSCH occasion and/or PUCCH occasion) overlap in some slots (e.g., mini-slots)

Transmit powers of PUSCH instances constituting a PUSCH occasion need to be maintained the same or similar. When the terminal transmits two or more PUSCH occasions to the base station, power control in the two or more PUSCH occasions may be different from each other. In this case, it may be difficult to maintain coherence.

The same problem may occur in PUCCH occasions. The terminal may transmit a PUCCH occasion while transmitting a PUSCH occasion. In exemplary embodiments, a UL occasion may mean a PUSCH occasion and/or a PUCCH occasion, and a UL instance may mean a PUSCH instance and/or a PUCCH instance. UL instances may have a predefined interval (e.g., slot).

權(quán)利要求

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