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A Channel-Adaptive Beamforming Method for OFDMA Systems in Frequency-Selective Channels
Seung Hee HAN Mi Hyun LEE Yong Soo CHO
IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
OFDMA, smart antennas, channel-adaptive, frequency selectivity, region-splitting,
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In this letter, a new channel-adaptive beamforming method is proposed for OFDMA systems with smart antennas. In the method, the size of a cluster for resource unit is determined adaptively according to a region-splitting criterion. It is shown by simulations that the proposed method shows good performance in both frequency-flat and frequency-selective channels.