SYSTEMS AND METHODS FOR UPLINK TRANSMISSION POWER CONTROL

摘要

A user equipment (UE) for performing uplink transmission power control is described. The UE includes a processor and memory in electronic communication with the processor. The UE determines that dual connectivity is configured with more than one cell group. The UE also determines if a total transmission power of the cell groups exceeds a maximum allowed transmission power of the UE. The UE further determines if the cell groups are asynchronized and whether look-ahead with processing time reduction is supported by the UE. The UE additionally determines an available transmission power in a subframe of a given cell group. The UE also transmits uplink (UL) channels in a subframe based on the available transmission power of the given cell group.

主权项

1. A user equipment (UE) comprising:
a processor; and memory in electronic communication with the processor, wherein instructions stored in the memory are executable to:
configure a first cell group (CG) and a second CG;configure a guaranteed power of a first CG and a guaranteed power of a second CG;select one of a first mode and a second mode according to whether or not a timing difference between the first CG and the second CG is more than a threshold; anddetermine uplink power allocation on the basis of the selected mode; whereinsubframe n of the first CG overlaps subframe m-1 and subframe m of the second CG, andin the first mode, the uplink power allocation in the subframe n of the first CG is determined using a parameter PCGI,n given by Equation (1):PCG1,n=Pcmax-max(PCG2,m-1,PGuaranteed,CG2),(1) where Pcmax is a maximum allowed transmission power for the UE, PCG2,m-1 is a power allocated in the subframe m-1 of the second CG and PGuaranteed,CG2 is the guaranteed power of the second CG.