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Type: Journal article
Title: Recursive receivers for diversity channels with correlated flat fading
Author: Nguyen, V.
White, L.
Jaffrot, E.
Soamiadana, M.
Fijalkow, I.
Citation: IEEE Journal on Selected Areas in Communications, 2003; 21(5):754-764
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Issue Date: 2003
ISSN: 0733-8716
Statement of
Nguyen, V.K.; White, L.B.; Jaffrot, E.; Soamiadana, M.; Fijalkow, I.
Abstract: This paper addresses the design and performance of time-recursive receivers for diversity based communication systems with flat Rayleigh or Ricean fading. The paper introduces a general state-space model for such systems, where there is temporal correlation in the channel gain. Such an approach encompasses a wide range of diversity systems such as spatial diversity, frequency diversity, and code diversity systems which are used in practice. The paper describes a number of noncoherent receiver structures derived from both sequence and a posteriori probability-based cost functions and compares their performance using an orthogonal frequency-division multiplex example. In this example, the paper shows how a standard physical delay-Doppler scattering channel model can be approximated by the proposed state-space model. The simulations show that significant performance gains can be made by exploiting temporal, as well as diversity channel correlations. The paper argues that such time-recursive receivers offer some advantages over block processing schemes such as computational and memory requirement reductions and the easier incorporation of adaptivity in the receiver structures.
Description: Copyright © 2003 IEEE
RMID: 0020030585
DOI: 10.1109/JSAC.2003.810332
Appears in Collections:Electrical and Electronic Engineering publications

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