Method and apparatus for multi-transmission/reception point power headroom reporting in a wireless communication system
地域：
Taipei
摘要
A method and apparatus are disclosed. In an example from the perspective of a User Equipment (UE), the UE receives an uplink (UL) grant. The UL grant is indicative of a first Physical Uplink Shared Channel (PUSCH) transmission on a first Transmission/Reception Point (TRP) of a first cell. The UL grant is not indicative of a PUSCH transmission on a second TRP of the first cell. The UE transmits a Power Headroom Reporting (PHR) Medium Access Control (MAC) Control Element (CE). Based on the UL grant, the PHR MAC CE is indicative of a first power headroom (PH), associated with the first TRP, based on a real PUSCH transmission, and is indicative of a second PH, associated with the second TRP, based on a reference PUSCH transmission.
說明書
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Reporting of Power headroom (PH) is discussed in 3GPP TS 38.213, V16.2.0, one or more parts of which are quoted below:
7.1 Physical Uplink Shared Channel
7.1.1 UE Behaviour
If a UE transmits a PUSCH on active UL BWP b of carrier f of serving cell C using parameter set configuration with index j and PUSCH power control adjustment state with index l, the UE determines the PUSCH transmission power PPUSCH,b,f,c(i,j,qd,l) in PUSCH transmission occasion i as
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