Patent ID: 6934268
Filing Date: 2005-08-23
Classification: H04W,Y02D

Abstract:
1. Method of allocating and controlling downlink power in a telecommunication system including a plurality of base stations, each of which providing communication services by means of downlink channels requiring certain portions of allocated downlink power and a plurality of user equipments, each of which occupying a downlink channel of at least one base station for usage of said communication services, and each of which sending within common periodical time intervals power requests to said base station in order to adjust the transmission power of its occupied downlink channel, performing for each base station within said time intervals the steps of: accumulating said received power requests for each of the occupied downlink channels; estimating the total allocated downlink power level for the base station with regard to the received power requests for each of the occupied downlink channels; accepting said received power requests for all downlink channels and initiating admission control measures if said estimated downlink power level is below a maximum permitted downlink power level; and rejecting said received power requests for a selected subset of downlink channels and initiating congestion control measures if said estimated downlink power level exceeds a maximum permitted downlink power level.