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|Title:||Some new results and interpretations concerning binary orthogonal signaling over the Gaussian channel with unknown phase/fading|
|Authors:||Kam, Pooi Yuen|
|Source:||Kam, Pooi Yuen (1990). Some new results and interpretations concerning binary orthogonal signaling over the Gaussian channel with unknown phase/fading : 24-25. ScholarBank@NUS Repository.|
|Abstract:||Summary form only given, as follows. The well-known problem of binary orthogonal signaling over the Gaussian noise channel with unknown phase/fading is considered. By viewing the problem in a rotated coordinate system, the orthogonal signal structure can be considered as the combination of an antipodal signal set and an unmodulated component (pilot tone) for channel measurement. This allows the author to show that as far as data detection is concerned the optimum matched-filter envelope detector is identical to a novel detector-estimator receiver in which the detector performs partially coherent detection using an absolute coherent reference generated by the estimator from the channel measurement provided by the pilot-tone component of the orthogonal signal structure. This detector-estimator interpretation of the optimum receiver shows that it is wrong to refer to the latter as a noncoherent receiver. It also leads to the development of new approaches for analyzing the error probability performance of the receiver. In particular, for the Rician channel, an exponential Chernoff upper bound is obtained, and an expression is also obtained for the case of slight fading.|
|Appears in Collections:||Staff Publications|
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