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On optimal quasi-orthogonal space-time block codes with minimum decoding complexity

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3 Author(s)
Haiquan Wang ; Dept. of Electr. & Comput. Eng., Delaware Univ., Newark, DE ; Dong Wang ; Xiang-Gen Xia

In this paper, we first present a necessary and sufficient condition on linear transformations for an QOSTBC to possess the minimum ML decoding complexity, i.e., real symbol pair-wise decoding. We then present optimal linear transformations of information symbols for quasi-orthogonal space-time block codes (QOSTBC) with minimum ML decoding complexity. The optimality is in the sense that the diversity product (or product distance) is maximized when the mean transmission power is fixed

Published in:

Information Theory, 2005. ISIT 2005. Proceedings. International Symposium on

Date of Conference:

4-9 Sept. 2005