US 11,659,493 B2
Method and apparatus for multi-transmission/reception point power headroom reporting in a wireless communication system
Yi-Hsuan Kung, Taipei (TW); Yu-Hsuan Guo, Taipei (TW); and Chun-Wei Huang, Taipei (TW)
Assigned to ASUSTek Computer Inc., Taipei (TW)
Filed by ASUSTek Computer Inc., Taipei (TW)
Filed on Dec. 22, 2021, as Appl. No. 17/558,669.
Claims priority of provisional application 63/131,160, filed on Dec. 28, 2020.
Claims priority of provisional application 63/131,156, filed on Dec. 28, 2020.
Claims priority of provisional application 63/130,549, filed on Dec. 24, 2020.
Claims priority of provisional application 63/130,544, filed on Dec. 24, 2020.
Prior Publication US 2022/0217644 A1, Jul. 7, 2022
Int. Cl. H04W 52/14 (2009.01); H04W 52/36 (2009.01); H04W 72/23 (2023.01); H04W 80/02 (2009.01)
CPC H04W 52/146 (2013.01) [H04W 52/365 (2013.01); H04W 52/367 (2013.01); H04W 72/23 (2023.01); H04W 80/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method of a User Equipment (UE), the method comprising:
receiving an uplink (UL) grant indicating multi-Transmission/Reception Point (TRP) Physical Uplink Shared Channel (PUSCH) transmissions associated with transmission of a same Transport Block (TB) on different TRPs, wherein the multi-TRP PUSCH transmissions indicated by the UL grant comprise both:
a first PUSCH transmission, at a first timing, comprising transmission of the same TB on a first TRP of a first cell; and
a second PUSCH transmission, at a second timing, comprising transmission of the same TB on a second TRP of the first cell; and
generating and transmitting a Power Headroom Reporting (PHR) Medium Access Control (MAC) Control Element (CE), wherein:
based on the first timing of the first PUSCH transmission indicated by the UL grant and the second timing of the second PUSCH transmission indicated by the UL grant, the PHR MAC CE is generated to indicate:
a first Type 1 power headroom (PH), associated with the first TRP, based on a real PUSCH transmission, wherein the first PUSCH transmission is at least one of performed before transmitting the PHR MAC CE or performed in a first slot that overlaps with a third slot for transmitting the PHR MAC CE; and
a second Type 1 PH, associated with the second TRP, based on a reference PUSCH transmission, wherein the second PUSCH transmission is transmitted after transmitting the PHR MAC CE.