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Carrier phase tracking from turbo and LDPC coded signals affected by a frequency offset

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3 Author(s)
N. Nele ; Dept. of Telecommun. & Inf. Process., Ghent Univ., Belgium ; S. Heidi ; M. Moeneclaey

This contribution considers carrier phase estimation from coded signals, affected by a frequency offset at low operating signal-to-noise ratio (SNR). We derive a maximum likelihood (ML) based iterative code-aided feedback phase-tracker suited for receivers with iterative maximum-a-posteriori (MAP) detection. Simulations indicate that the proposed synchronizer is considerably more robust against frequency offsets than a feedforward synchronizer.

Published in:

IEEE Communications Letters  (Volume:9 ,  Issue: 10 )