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Complexity Reduced Maximum Likelihood Detection for SDM-OFDM System
Yuanrun TENG Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI
IEICE TRANSACTIONS on Communications
Publication Date: 2006/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MIMO, SDM-OFDM, spatial diversity, MLD,
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This paper proposes two complexity reduced Maximum Likelihood Detection (MLD) methods for Space Division Multiplexing--OFDM (SDM-OFDM) system to exploit the spatial diversity so as to achieve the improved transmission quality. The proposed methods enable to outperform the other suboptimal detection methods and achieve near MLD performance with a significant reduction in calculation complexity. The various computer simulation results confirm that the proposed methods could realize the above targets and might be promising solution in practical systems.