Patent ID: 8125948
Filing Date: 2012-02-28
Classification: H04L,H04W

Abstract:
1. An apparatus for allocating a radio frequency band resource in a Space Division Multiple Access (SDMA) system, the apparatus comprising: a scheduler for allocating a data burst having one or more channel bands, outputting to a modulation block the data burst, measuring a Modulation order Product code Rate (MPR) of each channel band of the data burst, measuring a surplus power resource generated by equalizing the MPR of each channel band to a least MPR among the MPRs of the channel bands, determining transmission power of each channel band of the data burst using the surplus power resource, and outputting to a power controller transmission power information; the modulation block for channel-coding and modulating the data burst, mapping the data burst on frequency domain, and outputting a frequency domain signal; the power controller for receiving from the scheduler the transmission power information on a per-channel-band basis, and outputting to a multiplier a weight associated with a transmission power; and the multiplier for receiving from the modulation block the frequency domain signal, multiplying the frequency domain signal received from the power controller by the weight received, and outputting the multiplied result to an Inverse Fast Fourier Transform (IFFT) operator.