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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
技術領域
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 method of mapping the code block(s) of UCI to the PUCCH instance may be applied to each PUCCH instance. Alternatively, the method of mapping the code block(s) of UCI to the PUCCH instance may be applied in the PUCCH occasion.

Method 3.1-4: Code block(s) of UCI may be mapped identically for each PUCCH instance.

A PUCCH instance may always be mapped identically. For example, if a PUCCH instance is composed of L coded bits, in the exemplary embodiments shown in FIGS. 24B and 24C, code block(s) of UCI for the first PUCCH instance, c0, c1, . . . , and cL-1 may be mapped according to a predefined order, and a modulation operation may be performed on the code block(s). The above-described mapping operation and modulation operation may be equally applied to the second PUCCH instance, the third PUCCH instance, and the fourth PUCCH instance. Thereafter, in the exemplary embodiment shown in FIG. 24B, a slot format may be considered. Invalid symbols in the PUCCH instance may be punctured. That is, the invalid symbols may not be transmitted. According to the proposed Method 3.1-4, the terminal may generate all PUCCH instances identically. Therefore, implementation of the terminal may be simplified.

Method 3.1-5: Code block(s) of UCI may be mapped in a PUCCH occasion. Accordingly, code blocks of consecutive UCIs may be mapped to adjacent PUCCH instances.

權利要求

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