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Open Loop Reverse Modulation Carrier Recovery Scheme for Rician and Rayleigh Fading Environments
Tetsu SAKATA Shuji KUBOTA
IEICE TRANSACTIONS on Communications
Publication Date: 1996/01/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Mobile Communication
radio communication, carrier recovery, open loop, reverse modulation, anti-fading,
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To realize better bit error rate performance in fast fading environments, this paper proposes the open loop reverse modulation carrier recovery scheme which employs a new open loop carrier extractor and regenerator instead of using a feed back loop. The proposed scheme realizes stable regenerated carrier signals to achieve low bit error rate not only under additive white Gaussian noise environments but also under fast fading environments. Computer simulations clarify that the proposed scheme always achieves better bit error rates than conventional differential detection or coherent detection with feed back loops under the various fading environments examined.