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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

Example 4: The method of example 2 or 3, wherein the set of indications includes 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.

Example 5: The method of example 4, wherein the predefined message includes a beam report, and wherein the predefined message is configured to deactivate repetition of the downlink control channel.

Example 6: The method of any of examples 2 through 4, further comprising: receiving a unique identifier associated with the set of repeatable downlink control channels and the set of indications for activating or deactivating repetition of the one or more downlink control channels in the set of repeatable downlink control channels.

Example 7: The method of any of examples 2 through 6, wherein the configuration information includes at least one rule for controlling repetition of the downlink control channel.

Example 8: The method of any of examples 1 through 7, wherein the downlink control channel is automatically repeated for a predefined number of repetitions in response to the transmitted indication.

權利要求

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