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Channel Estimation Based on Divergence Minimization for OFDM Systems with Co-Channel Interference
2009 IEEE International Conference on Communications
In this paper, we present a novel approach for pilotaided channel estimation in OFDM systems with synchronous co-channel interference. The estimator is derived based on the Kullback-Leibler divergence minimization framework. The obtained solution iteratively updates both the desired user's and the interferer's channels, using a combination of linear minimum mean squared-error (LMMSE) filtering and interference cancellation, avoiding the complex matrix inversions involved in the full LMMSEdoi:10.1109/icc.2009.5198818 dblp:conf/icc/ManchonFKMDSR09 fatcat:6ymth6oomngrrdh5w7gnjbkqsa