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Performance analysis of space time coded fractal modulation in the presence of frequency selective fading

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3 Author(s)
Sengar, S. ; Dept. of Electron., NSIT, New Delhi ; Joshi, S.D. ; Prasad, S.

The use of orthogonal space time block codes (OSTBC) in conjunction with fractal modulation in the presence of frequency selective fading channels is considered. An L scale fractal modulation and coherent demodulation effectively converts the frequency selective channel into L flat fading channels per information symbol with random scale gains. The bit error performance analysis of the proposed scheme has been done. It has been shown that a diversity order of mTmRL can be achieved. This increase in diversity order in comparison with that achieved for the OFDM case is at a cost of lower spectral efficiency. The transceiver complexity is comparable with the IFFT/FFT operations used in case of OFDM

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Wireless and Optical Communications Networks, 2006 IFIP International Conference on

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