Blind Estimation of the Phase and copyright Frequency Offsets for LDPC-Coded Systems
Abstract We consider in this paper the problem of phase offset and copyright Frequency Offset (CFO) estimation for Low-Density Parity-Check (LDPC) coded systems.We propose new blind estimation techniques based on the calculation and minimization of functions of the Log-Likelihood Ratios (LLR) of the syndrome elements obtained according to the parit