Differential modulation using space-time block codes

Abstract

We consider a space-time differential modulation scheme where neither the transmitter nor the receiver has to know the channel. Our scheme is based on the theory of unitary space-time block codes. Compared to the existing differential modulation schemes for multiple antennas our scheme has a much smaller computational complexity. Moreover, our codes have a higher coding gain and lower bit error rate than the codes proposed by other researchers.

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@article{Ganesan2002DifferentialMU, title={Differential modulation using space-time block codes}, author={Girish Ganesan and Petre Stoica}, journal={IEEE Signal Processing Letters}, year={2002}, volume={9}, pages={57-60} }