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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 base station 105-a may differentiate MCS in LCP configuration in addition to providing maximum TTI, to support URLLC. That is, the base station 105-a provides a new condition in the LCP configuration indicating allowable MCS or allowable MCS tables for a corresponding logical channel. If the logical channel is configured, the allowable MCS tables specifies one or more MCSs that a corresponding logical channel may use. If the logical channel is not configured, no restrictions on MCS are applied to a logical channel. By providing a more efficient coordination of data communications having high-reliability and low-latency requirements by indicating allowable MCSs in LCP configuration 210, communication may be enhanced, and latency reduced, between the base station 105-a and the UE 115-a.

FIG. 3 illustrates an example of a process flow 300 that supports high-reliability MCS and LCP in accordance with various aspects of the present disclosure. The process flow 300 may include a base station 105-b and UE 115-b, which may be examples of the corresponding devices described with reference to FIGS. 1 and 2. In some examples, the process flow 300 may implement aspects of the wireless communications system 100 and 200. For example, the base station 105-b and/or the UE 115-b may support certain latency and reliability requirements for URLLC communications (e.g., within a URLLC system).

權(quán)利要求

1
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