NDLI: Least Square Error Detection for Noncoherent Cooperative Relay Systems

Content Provider	IEEE Xplore Digital Library
Author	Li Xiong Jian-Kang Zhang
Copyright Year	1967
Abstract	In this paper, noncoherent cooperative amplify-and-forward (AF) half-duplex relay systems are considered. For such systems, an asymptotic formula of pairwise error probability (PEP) for the least square error (LSE) detector is derived by using the perturbation theory on the eigenvalues. The result shows that the full-diversity-gain function mimics coherent cooperative AF half-duplex relay systems, whereas the coding gain function mimics noncoherent multiple-input-multiple-output (MIMO) systems. In addition, it is proved that, for any given nonzero received signal, the unique blind identification of both the equivalent channel and the transmitted signals in a noise-free case is equivalent to full diversity with the LSE detector in a Gaussian noisy environment. In particular, for the noncoherent AF half-duplex protocol with three nodes, a full-diversity unitary diagonal distributed space-time block code (STBC) is designed by utilizing the full-diversity criterion established in this paper and recently developed uniquely factorable constellation. Furthermore, the generalized likelihood ratio test receiver is derived for this specific coded protocol. Simulation results show that the code presented in this paper substantially outperforms the differential code and the optimally precoded training scheme in the current literature.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	3677
Ending Page	3692
Page Count	16
File Size	1074179
File Format	PDF
ISSN	00189545
Volume Number	61
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Receivers Detectors MIMO Pairwise error probability Vectors Manganese pairwise error probability (PEP) Asymptotic performance full diversity generalized likelihood ratio test (GLRT) receiver least square error (LSE) receiver noncoherent cooperative relay systems noncoherent multiple-input–multiple-output (MIMO) systems
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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