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Method and apparatus for selectively applying the power adjustment of a transmit power control command

專利號(hào)
US11160028B2
公開日期
2021-10-26
申請(qǐng)人
Lenovo (Singapore) Pte. Ltd.（SG New Tech Park）
發(fā)明人
Ebrahim MolavianJazi; Hossein Bagheri; Hyejung Jung; Vijay Nangia; Joachim L?hr; Ravi Kuchibhotla
IPC分類
H04W52/14; H04L1/18; H04W52/36; H04W72/04; H04W72/12; H04W24/10; H04W72/14
技術(shù)領(lǐng)域
phr,pusch,ue,dci,ul,headroom,uplink,earliest,power,in
地域： New Tech Park

摘要

A method and apparatus provide for receiving a transmit power control command related to a physical uplink shared channel transmission having more than one scheduled transmission repetitions. An applicability of at least a portion of a power adjustment to less than all of the repetitions of the physical uplink shared channel transmission is determined. The physical uplink shared channel transmission is transmitted during each of the more than one scheduled transmission repetitions, wherein the at least the portion of the power adjustment is selectively applied as determined to the specified less than all of the more than one scheduled transmission repetitions.

說明書

In some cases, using an UL cancelation indication may be possible: for instance, when all active eMBB UEs in a cell are capable of UL cancelation operation or when eMBB UEs that are not capable of UL cancelation operation are given non-overlapping resources with URLLC UEs) or when eMBB UEs can also have URLLC traffic (and hence would monitor for URLLC DCI) or when a hybrid cancelation-power boosting technique is used.

Enhanced UL Power Control

Enhanced UL power control is considered as one potential enhancement for UL inter-UE Tx prioritization/multiplexing. The potential enhanced UL power control may include the UE determining the power control parameter set (e.g. P0, alpha) based on scheduling DCI indication without using SRI, or based on group-common DCI indication. Increased TPC range compared to Rel-15 may also be considered. Power boosting is not applicable to power limited UEs.

PUSCH Repetitions

In addition to slot-aggregation defined in NR Rel-15, wherein the same TB is repeated over the same frequency and symbol indices in multiple slots, for URLLC, other TB repetition schemes with smaller delay have been proposed.

At least for scheduled PUSCH, for the option “One UL grant scheduling two or more PUSCH repetitions that can be in one slot, or across slot boundary in consecutive available slots” (also called as “mini-slot based repetitions”), if supported, can further consist of:

    • Time domain resource determination
      • The time domain resource assignment field in the DCI indicates the resource for the first repetition.

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