Abstract
In this paper, we propose a complex orthogonal design based on the theory of Finite projective plane. As most of the orthogonal designs incur low ratio of time diversity, the proposed complex orthogonal design has a relatively high ratio of time diversity. In addition, the proposed scheme has the following characteristics: (1) full spatial diversity (2) low rate \(({\leq}\frac{1}{3})\) (3) linear processing. We compare the proposed scheme with another complex design to show the tradeoffs. The proposed scheme can be of use for certain applications such as sensor networks and deep space exploration where there might be an imposed limit on the peak transmit power.
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References
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Woo, TK. A Novel Complex Orthogonal Design for Space–Time Coding in Sensor Networks. Wireless Pers Commun 43, 1755–1759 (2007). https://doi.org/10.1007/s11277-007-9342-8
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DOI: https://doi.org/10.1007/s11277-007-9342-8