MIMO quadrature-OFDMA systems
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Date
2009
Authors
Luo, L.
Zhang, J.A.
Shi, Z.
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Conference paper
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2009 IEEE 20th personal, indoor and mobile radio communications symposium, 2009, iss.5449808, pp.2739-2743
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2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium (13 Sep 2009 - 16 Sep 2009 : Tokyo, Japan)
Abstract
To alleviate the high peak-to-average power ratio (PAPR), high complexity in user terminal and sensitivity to carrier frequency offset (CFO) problems in current OFDMA systems, a Quadrature OFDM (Q-OFDMA) system has been recently proposed in the single-input single-output environment. In this paper we investigate the realization of multi-input multioutput (MIMO) diversity- and capacity- oriented methods in Q-OFDMA systems. We construct an Alamouti-like spacetime block code (STBC) for Q-OFDMA signal symbols, and investigate the ZF and MMSE equalizers to realize the simple detection for spatial multiplexing (SM) Q-OFDMA system
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Copyright 2009 IEEE