CRB derivation and new Code-Aided timing recovery technique for QAM modulated signals

Abstract : — * In this paper, we propose a maximum likelihood based Code-Aided (CA) timing recovery algorithm for square-QAM modulated signals. We also theoretically derive the analytical expression of the CA Cramer-Rao Bound for time delay estimation. Our simulations show that the proposed CA approach realizes a performance equivalent to the Data-Aided (DA) approach over a large interval of signal to noise ratio (SNR) values.
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Imen Nasr, Leila Najjar Atallah, Benoit Geller, Sofiane Cherif. CRB derivation and new Code-Aided timing recovery technique for QAM modulated signals. IEEE International Conference on Communications (ICC), 2015, Londres, United Kingdom. ⟨10.1109/ICC.2015.7249099⟩. ⟨hal-01225820⟩

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