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Type: Journal article
Title: Joint space-time trellis decoding and channel estimation in correlated fading channels
Author: Nguyen, V.
White, L.
Citation: IEEE Signal Processing Letters, 2004; 11(7):633-636
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Issue Date: 2004
ISSN: 1070-9908
Statement of
Van Khanh Nguyen and Langford B. White
Abstract: This letter addresses the issue of joint space-time trellis decoding and channel estimation in time-varying fading channels that are spatially and temporally correlated. A recursive space-time receiver which incorporates per-survivor processing (PSP) and Kalman filtering into the Viterbi algorithm is proposed. This approach generalizes existing work to the correlated fading channel case. The channel time-evolution is modeled by a multichannel autoregressive process, and a bank of Kalman filters is used to track the channel variations. Computer simulation results show that a performance close to the maximum likelihood receiver with perfect channel state information (CSI) can be obtained. The effects of the spatial correlation on the performance of a receiver that assumes independent fading channels are examined.
Description: Copyright © 2004 IEEE
DOI: 10.1109/LSP.2004.830122
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Appears in Collections:Aurora harvest 6
Electrical and Electronic Engineering publications

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