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Design of noncoherent receiver for analog spread-spectrum communication based on chaotic masking

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3 Author(s)
K. Murali ; Dept. of Electr. & Comput. Eng., Univ. of Calgary, Alta., Canada ; Henry Leung ; Haiyang Yu

A novel noncoherent receiver for chaotic masking (CM) is proposed for analog spread-spectrum (SS) communication. By exploiting the ergodic property of a chaotic signal, the proposed demodulator can recover information signal from the CM signal effectively. The communication performances of different information signals transmitted through this analog CM modulation SS system are investigated in terms of mean-square error. It is found that the proposed CM scheme is effective even in a very noisy additive white Gaussian channel. In addition, this new scheme has the potential advantage of a very simple hardware realization and it does not require the complicated synchronization process as in the conventional synchronization of chaos-based SS systems.

Published in:

IEEE Transactions on Circuits and Systems I: Fundamental Theory and Applications  (Volume:50 ,  Issue: 3 )