Unitary signal constellations for differential space-time modulation
Hajiaghayi, M.; Tellambura, C.
Communications Letters, IEEE
Volume 11, Issue 1, Jan. 2007 Page(s):25 - 27
Digital Object Identifier   10.1109/LCOMM.2007.061133
Summary:In this letter, we introduce two matrix-signal constellations for differential unitary space time modulation. We also derive an approximation of the upper bound on the symbol error probability. The new constellations generalize several previously reported constellations and yield better performance when the number of transmitter antennas and the constellation size increase

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