US 10,368,316 B2
Communication method and apparatus
Xingqing Cheng, Beijing (CN); Hai Wu, Beijing (CN); Qiang Wu, Beijing (CN); and Zhengwei Gong, Shanghai (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, Guangdong (CN)
Filed on Jun. 29, 2017, as Appl. No. 15/637,343.
Application 15/637,343 is a continuation of application No. PCT/CN2014/095994, filed on Dec. 31, 2014.
Prior Publication US 2017/0303206 A1, Oct. 19, 2017
Int. Cl. H04W 52/24 (2009.01); H04W 72/04 (2009.01); H04W 52/16 (2009.01); H04W 52/14 (2009.01); H04W 52/38 (2009.01); H04W 52/42 (2009.01); H04W 72/12 (2009.01); H04W 52/28 (2009.01); H04W 52/34 (2009.01); H04W 52/54 (2009.01)
CPC H04W 52/243 (2013.01) [H04W 52/146 (2013.01); H04W 52/16 (2013.01); H04W 52/242 (2013.01); H04W 52/383 (2013.01); H04W 52/42 (2013.01); H04W 72/04 (2013.01); H04W 72/12 (2013.01); H04W 52/286 (2013.01); H04W 52/346 (2013.01); H04W 52/54 (2013.01); Y02D 70/00 (2018.01)] 14 Claims
OG exemplary drawing
 
1. A base station to serve at least two user equipments (UEs) comprising a first UE and a second UE, and the base station comprising:
a processor, configured to obtain power parameters of the first UE and an adjustment parameter δ1,ue1 for a first transmit power, wherein the power parameters of the first UE comprise a UE-specific parameter PA,ue1 of the first UE, a cell-specific parameter PB,ue1 of the first UE, and a reference signal transmit power of the first UE, and the first transmit power is a transmit power of downlink data for the first UE; and
a transmitter, configured to send the power parameters of the first UE and the adjustment parameter δ1,ue1 for the first transmit power to the first UE; wherein
the processor is further configured to:
determine the first transmit power according to the power parameters of the first UE and the adjustment parameter δ1,ue1 for the first transmit power, and
determine ρue1 according to PA,ue1, PB,ue1, and the adjustment parameter δ1,ue1 for the first transmit power, and determine the first transmit power according to ρue1 and the reference signal transmit power of the first UE, wherein ρue1 indicates a ratio of energy per resource element (EPRE) of a physical downlink shared channel (PDSCH) of the first UE to EPRE of a cell-specific reference signal of the first UE, ρue1 comprises ρA,ue1 and ρB,ue1, and ρA,ue1 and ρB,ue1 correspond to different orthogonal frequency division multiplexing (OFDM) symbol indexes of the first UE; and
the transmitter is further configured to send the downlink data for the first UE at the first transmit power.