An iterative soft decision directed linear timing estimator

Herzet, C.;Ramon, Valery;Vandendorpe, Luc;Moeneclaey, M.
(2003) 2003 4th IEEE Workshop on Signal Processing Advances in Wireless Communications - SPAWC 2003 — Location: Rome, Italy (15.June.2003)

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Authors
  • Herzet, C.
    Author
  • Ramon, ValeryUCLouvain
    Author
  • Author
  • Moeneclaey, M.
    Author
Abstract
The paper addresses the issue of estimating the symbol timing in turbo receivers. We propose a linear timing estimator which benefits from the soft information delivered by the turbo system at each iteration to compute the timing estimate. This estimator is then compared to a synchronizer based on the expectation-maximization (EM) algorithm (Herzet, C. et al., ICASSP, 2003). Performance of the proposed synchronizer is illustrated by simulation results and proves better than that of the EM-based counterpart regarding both convergence speed and range.
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Herzet, C., Ramon, V., Vandendorpe, L., & Moeneclaey, M. (2003). An iterative soft decision directed linear timing estimator. 2003 4th IEEE Workshop on Signal Processing Advances in WirelessCommunications - SPAWC 2003 (IEEE Cat. No.03EX689), 55-59. https://hdl.handle.net/2078.5/229790