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High-reliability modulation coding scheme and logical channel prioritization

專(zhuān)利號(hào)
US11178671B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
QUALCOMM Incorporated（US CA San Diego）
發(fā)明人
Linhai He
IPC分類(lèi)
H04W72/10; H04W76/11; H04W76/27; H04L1/00; H04L5/00; H04W72/04; H04W72/14
技術(shù)領(lǐng)域
lcp,ue,mcs,logical,grant,uplink,may,channel,station,allowable
地域： CA CA San Diego

摘要

Methods, systems, and devices for wireless communications are described. A base station in a wireless communications system may perform a connection procedure (e.g. radio resource control (RRC) procedure) with a user equipment (UE), during which the base station may configure the UE with logical channel prioritization (LCP) configuration for each logical channel of a set of logical channels. The LCP configuration may indicate allowable modulation coding schemes (MCSs) for each logical channel of the set of logical channels. Following the communication procedure, the UE may receive an uplink grant for transmitting data using a corresponding logical channel of the set of logical channels. The UE may identify an MCS used by the uplink grant and may transmit the data using the corresponding logical channel with the identified MCS, based on the identified MCS of the uplink grant matching an MCS of the logical channel.

說(shuō)明書(shū)

The UE 115-a may receive the PDCCH scheduling message by identifying a control format indicator and establishes a size of the downlink control region and locations of common and UE-specific search spaces. Within each search space, the UE 115-a identifies possible PDCCH candidates, which are control channel elements where the base station 105-a might have transmitted the DCI. The UE 115-a then attempts to process each PDCCH candidate, using the new dedicated RNTI. If the UE 115-a identifies that a decoded CRC bit of a PDCCH candidate matches the new dedicated RNTI, the UE 115-a may process (e.g. decode, unscramble) the corresponding DCI message. For example, the UE 115-a may unscramble the DCI carrying the uplink grant 215 and determine that the CRC of the DCI includes the dedicated RNTI and/or the C-RNTI. As a result, the UE 115-a may determine an MCS of the uplink grant 215 based on the new dedicated RNTI and/or the C-RNTI. For example, the UE 115-a may determine that the uplink grant 215 uses an allowable MCS from at least one of the allowable MCS tables indicated in the LCP configuration 210 for a corresponding logical channel of the uplink grant 215.

權(quán)利要求

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