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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 CN 152 (e.g., 5G-CN) may be configured to handle one or more radio accesses (e.g., NR, 4G, and/or any other radio accesses). It may also be possible for an NR network/device (or any first network/device) to connect to a 4G core network/device (or any second network/device) in a non-standalone mode (e.g., non-standalone operation). In a non-standalone mode/operation, a 4G core network may be used to provide (or at least support) control-plane functionality (e.g., initial access, mobility, and/or paging). Although only one AMF/UPF 158 is shown in FIG. 1B, one or more base stations (e.g., one or more gNBs and/or one or more ng-eNBs) may be connected to multiple AMF/UPF nodes, for example, to provide redundancy and/or to load share across the multiple AMF/UPF nodes.

An interface (e.g., Uu, Xn, and/or NG interfaces) between network elements (e.g., the network elements shown in FIG. 1B) may be associated with a protocol stack that the network elements may use to exchange data and signaling messages. A protocol stack may comprise two planes: a user plane and a control plane. Any other quantity of planes may be used (e.g., in a protocol stack). The user plane may handle data associated with a user (e.g., data of interest to a user). The control plane may handle data associated with one or more network elements (e.g., signaling messages of interest to the network elements).

權(quán)利要求

1
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