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Space-Time Block Codes from Quasi-Orthogonal Designs with Maximal Rate or Minimal Decoding Complexity
Huanfei MA Zhihao WU Haibin KAN
IEICE TRANSACTIONS on Communications
Publication Date: 2010/02/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
quasi-orthogonal, space time block code, transmission rate, wireless communication, decoding complexity,
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This letter investigates the space-time block codes from quasi-orthogonal design as a tradeoff between high transmission rate and low decoding complexity. By studying the role orthogonality plays in space-time block codes, upper bound of transmission rate and lower bound of decoding complexity for quasi-orthogonal design are claimed. From this point of view, novel algorithms are developed to construct specific quasi-orthogonal designs achieving these bounds.