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Repetition of downlink control channels based on uplink messages

專利號
US11528735B2
公開日期
2022-12-13
申請人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Mahmoud Taherzadeh Boroujeni; Tao Luo; Jelena Damnjanovic
IPC分類
H04W72/12; H04W76/28; H04W76/27; H04L1/18; H04L5/00; H04W72/04
技術領域
downlink,ue,channel,message,repetition,pdcch,control,station,prach,may
地域： CA CA San Diego

摘要

The aspects described herein may enable a base station to repeat a downlink control channel based on one or more indications received from a user equipment (UE). This may allow the base station to efficiently use network resources to enhance coverage of downlink control channels for different steps of a network access procedure as needed by a UE. For example, a UE may determine to activate or deactivate repetition of a downlink control channel associated with a network access procedure. The UE may transmit an indication configured to activate or deactivate repetition of the downlink control channel.

說明書

FIG. 11 is a flowchart 1100 of a method of wireless communication. The method may be performed by a base station (e.g., the base station 404; the apparatus 1302/1302′; the processing system 1414, which may include the memory 376 and which may be the entire base station 404 or a component of the base station 404, such as the TX processor 316, the RX processor 370, and/or the controller/processor 375).

At 1102, the base station receives, from a user equipment (UE), an indication configured to activate or deactivate repetition of the downlink control channel associated with a network access procedure. For example, with reference to FIG. 5, the indication received from the UE may be the selected indication included in message 510, and the network access procedure may be the 4-step random access procedure 400 shown in FIG. 4.

In some examples, the indication may be from a set of indications including at least one of a physical random access channel (PRACH) preamble from a preconfigured subset of PRACH preambles, a PRACH preamble repeated over multiple random access channel (RACH) occasions, a PRACH preamble on a predefined subset of RACH occasions, a PRACH preamble using a designated resource allocation, a request or a predefined message in a radio resource connection (RRC) connection request message, or a first uplink transmission after reception of a contention resolution message.

權利要求

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