NDLI: On orthogonal signaling over the slow nonselective Rician fading channel with unknown specular component

Content Provider	IEEE Xplore Digital Library
Author	Kam, P.Y.
Copyright Year	1972
Abstract	Orthogonal signaling over the slow nonselective Rician fading channel is considered. Previous receiver designs have all assumed the amplitude and phase of the specular component of the received carrier to be known completely, but this assumption is entirely unrealistic. The problem is reformulated with unknown random amplitude and phase of the specular component. The optimum maximum likelihood receiver is obtained for equally likely equal-energy orthogonal signals and is shown to be identical to the quadratic receiver for the purely unknown phase channel and the pure Rayleigh fading channel. The error probability performance is analyzed for a fixed known specular amplitude. When specialized to the binary signaling case this error probability result exhibits a performance that is very close to and asymptotically approaches that of the conventional coherent-specular-component case for high SNR. Thus, knowledge of the specular component phase is not important to the optimum receiver.<>
Starting Page	817
Ending Page	819
Page Count	3
File Size	297054
File Format	PDF
ISSN	00906778
Volume Number	41
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rician channels Error probability Fading Signal design AWGN Phase detection Maximum likelihood detection Performance analysis Gaussian channels Matched filters
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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