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Comments On "Timing Estimation And Resynchronization For Amplify-And-Forward Communication Systems”, Hani Mehrpouyan, Steven D. Blostein

Hani Mehrpouyan

This correspondence first shows that the Cramer-Rao lower bound (CRLB) derivations in the above paper are incorrect. In addition, contrary to the claims in the above paper, the assumptions of perfect timing offset estimation and matched-filtering at the relays affect the generality of the analytical results and cannot be justified assumption.