Patent ID: 7313417
Filing Date: 2007-12-25
Classification: H01Q,H04B

Abstract:
1. A transceiver for a base station with a smart antenna having a plurality of antennas, comprising: a multipath searching unit for searching multipath delay information for each demodulation channel for signals received through the antennas; a demodulating unit for forming an adaptive beam for each demodulation channel by using the multipath delay information for each demodulation channel for receiving signals, performing demodulation to the received signals, and outputting at least one adaptive beam weight vector for each demodulation channel, the adaptive beam weight vector being occurred during demodulation; a controlling unit for selecting at least one downlink beam index for each channel by using correlation of the adaptive beam weight vector and pre-established plurality of switched beam weight vectors; and a modulating unit for selecting downlink switched beams corresponding to the at least one downlink beam index respectively, forming switching beams for modulating signals of each channel, and outputting the modulated signals in downlink.