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Improved Signal Constellations for Differential Unitary Space-Time Modulation with Three Transmit Antennas

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5 Author(s)
Zhengfeng Du ; Nat. Mobile Commun. Res. Lab., Southeast Univ., Nanjing ; Jiee Chen ; Dongming Wang ; Zhanjun Jiang
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In this paper, we propose new and improved unitary signal constellations for differential unitary space-time modulations system employing three transmit antennas. The proposed unitary design is constructed from fundamental building block which comprises the generator matrix of diagonal cyclic codes, and the 3times3 rotational matrix. Simulation results show that the union bounds on the pairwise error probability (PEP) of the proposed constellations are superior to those of previously proposed Givens rotation based ones.

Published in:

Circuits and Systems for Communications, 2008. ICCSC 2008. 4th IEEE International Conference on

Date of Conference:

26-28 May 2008