Group characters and unitary space-time codes

Hassibi, Hochwald, Shokrollahi and Sweldens (see tech. rep., Bell Laboratories, Lucent Technologies, 2000) classified all finite groups of unitary matrices with nonzero diversity product. It is well-known, however, that differential space- time codes with vanishing diversity product still can perform reasonably well under certain conditions. We show how to compute parameters of finite groups crucial for their use as space-time constellations, using only the character table of the group. Simulations are given for the group SL(2,17)


Published in:
Proceedings of the IEEE International Symposium on Information Theory, ISIT 2001, 107
Year:
2001
Keywords:
Laboratories:




 Record created 2007-01-16, last modified 2018-03-17


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