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A design of 2 by 2 unitary space-time codes from sphere packing theory with optimal diversity product of code size 6

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

In this paper, we propose some designs of 2×2 unitary space-time codes by using sphere packing theory. In particular, we present an optimal 2×2 unitary space-time code of size 6 in the sense that it reaches the maximal possible diversity product for 2×2 unitary space-time code of size 6. The construction and the optimality of the code of size 6 provide the precise value of the maximal diversity product of a 2×2 unitary space-time code of size 6.

Published in:

Information Theory, 2003. Proceedings. IEEE International Symposium on

Date of Conference:

29 June-4 July 2003