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Random access procedures

專利號(hào)
US11510239B2
公開日期
2022-11-22
申請(qǐng)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(shuō)明書

The determining/calculating the transmission power for the random access preamble 2120 based on the selected CORESET may comprise determining/calculating the transmission power for the random access preamble 2120 based on the downlink reference signal indicated by the antenna port quasi co-location property of the selected CORESET. The determining/calculating the transmission power for the random access preamble 2120 based on the selected CORESET may comprise determining/calculating the transmission power for the random access preamble 2120 based on the downlink reference signal in the spatial relation information of the uplink reference signal indicated by the antenna port quasi co-location property of the selected CORESET. The wireless device 2108 may determine/calculate the transmission power for the random access preamble 2120 based on the downlink reference signal with which at least one DM-RS port of a PDCCH transmission (received via the selected CORESET) is quasi co-located. The determining/calculating the transmission power for the random access preamble 2120 based on the selected CORESET may comprise that the wireless device 2108 determines/calculates the transmission power for the random access preamble 2120 based on the downlink reference signal with which the at least one DM-RS port of the PDCCH transmission (received via the selected CORESET) is quasi co-located. The wireless device 2108 may transmit the random access preamble 2120 for the random access procedure with the transmission power determined/calculated based on the selected CORESET.

權(quán)利要求

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