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M-sequence based M-ary/SS scheme for high bit rate transmission in DS/CDMA systems

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3 Author(s)
Ito, T. ; Dept. of Commun. Eng., Osaka Univ., Japan ; Sampei, S. ; Morinaga, N.

A high bit rate and high power efficiency transmission scheme is proposed which uses an M-sequence based M-ary-SS scheme for DS/CDMA systems combined with a block branch metric calculation for the Viterbi decoder and a signal to noise plus interference power ratio (SNIR) measurement scheme for transmitter power control (TPC). Computer simulation confirms that the proposed scheme leads to a much higher BER performance while maintaining a lower peak to average transmitter power ratio

Published in:

Electronics Letters  (Volume:36 ,  Issue: 6 )