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Random access procedures

專利號
US11510239B2
公開日期
2022-11-22
申請人
Comcast Cable Communications, LLC（US PA Philadelphia）
發(fā)明人
Ali Cirik; Esmael Dinan; Yunjung Yi; Hua Zhou; Alireza Babaei; Kyungmin Park
IPC分類
H04W74/00; H04B7/06; H04L5/00; H04W74/08
技術(shù)領(lǐng)域
coreset,pdcch,wireless,may,tci,antenna,downlink,e.g,preamble,or
地域： PA PA Philadelphia

摘要

A base station and/or a wireless device may perform a random access procedure. A downlink transmission for initiating a random access procedure may indicate an antenna panel for transmission of a random access preamble. A slot for transmission of the random access panel, from the wireless device, may be determined based on an antenna panel activation delay.

說明書

The wireless device 2408 may send/transmit a first SRS for the first SRS resource set via a first antenna panel (e.g., the panel 2416-1) of the plurality of antenna panels 2416. The wireless device 2408 may send/transmit a second SRS for the second SRS resource set via a second antenna panel (e.g., the panel 2416-2) of the plurality of antenna panels 2416. Each SRS resource set may be associated with a respective antenna panel of the plurality of antenna panels 2416. The first SRS resource set index may indicate/identify the first antenna panel. The second SRS resource set index may indicate/identify the second antenna panel. The first panel index and the first SRS resource set index may be the same. The second panel index and the second SRS resource set index may be the same. Each antenna panel of the plurality of antenna panels 2416 may be identified by a respective one SRS resource set index of the SRS resource set indices. The first panel index may be equal to the first SRS resource set index, for example, based on the transmitting first SRS for the first SRS resource set via the first antenna panel. The second panel index may be equal to the second SRS resource set index, for example, based on the transmitting second SRS for the second SRS resource set via the second antenna panel.

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