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An Adaptive Beamforming Algorithm with a Linear Complexity for a Multipath Fading CDMA Channel
Sungsoo AHN Seungwon CHOI Tapan K. SARKAR
IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Antenna and Propagation
adaptive beamforming, gradient-sign, CDMA, mobile communication,
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This letter introduces an alternative adaptive beamforming with the total computational load of about O(3N) where N denotes the number of antenna elements. The proposed technique finds a weight vector that maximizes the received signal power at the array output by searching for the suboptimal phase of each weight in a multipath fading CDMA mobile communication environment.