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On Performance of Clustering-Based Limited Feedback Beamforming in Multiple-Antenna OFDM Systems
Erlin ZENG Shihua ZHU Xuewen LIAO Zhimeng ZHONG Zhenjie FENG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Communication Theory and Signals
multiple-antenna, beamforming, limited feedback, orthogonal frequency division multiplexing,
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Prior studies on limited feedback (LFB) beamforming in multiple-antenna orthogonal frequency division multiplexing (OFDM) have resorted to Monte-Carlo simulations to evaluate the system performance. This letter proposes a novel analytical framework, based on which the averaged signal-to-noise ratio and the ergodic capacity performance of clustering-based LFB beamforming in multiple-antenna OFDM systems are studied. Simulations are also provided to verify the analysis.