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Signal quality estimation algorithm

Signal quality estimation algorithm

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An improved signal quality estimation algorithm, applicable to CDMA-based mobile communication systems, is proposed. The algorithm estimates the Eb/N0 at the receiver end by operating on the despread symbols of the received in-phase (I) and quadrature (Q) channels. The improvement in performance is obtained by the addition of a smoothing filter to the existing algorithm. The performance of the algorithm is compared initially in a Gaussian channel and then in a time-varying channel that emulates fast fading.

http://iet.metastore.ingenta.com/content/journals/10.1049/el_20001323
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