Patent ID: 6961581
Filing Date: 2005-11-01
Classification: H04W

Abstract:
1. A network device of a mobile communications system, comprising: a power allocation controller for allocating a prescribed transmission power to a communication channel requested for set-up within an allocatable power range, and forgoing allocation of transmission power when allocation s nor possible; a channel power controller, which is provided on a per-channel basis for performing transmission power control on a per-channel basis, wherein when actual transmission power falls below the allocated transmission power, said channel power controller returns power equivalent to the power difference between these and subsequently repeats similar control while regarding the actual transmission power as the allocated transmission power, and when the actual transmission power exceeds the allocated transmission power, said channel power controller requests power equivalent to the power difference between these; and a multiple-channel power management unit for managing as surplus power the power returned from each channel power controller, and allocating, from the surplus power, the power requested from each channel power controller, wherein when the surplus power exceeds a release threshold value, said multiple-channel power management unit returns the amount of surplus power above the threshold value to said power allocation controller, and when the surplus power falls below an acquisition threshold value, said multiple-channel power management unit requests said power allocation controller for power equivalent to the amount of shortfall below the threshold value.