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Low-Complexity Transmit Diversity Scheme Using Moderate-Sized Signal Constellations, B. K. Khoo, P. Xiao, S. Y. Le Goff, B. S. Sharif, C. C. Tsimenidis
Low-Complexity Transmit Diversity Scheme Using Moderate-Sized Signal Constellations, B. K. Khoo, P. Xiao, S. Y. Le Goff, B. S. Sharif, C. C. Tsimenidis
Dept. of Electrical & Electronic Engineering Publications
In the conventional space-time coding technique [1], nT radio frequency (RF) chains are employed to transmit signals simultaneously from nT transmit antennas. In this Letter, a lowcomplexity transmit diversity scheme with nT = 2 transmit antennas is proposed. The proposed system employs only one RF chain as well as a low-complexity switch for transmission.