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IEEE Transactions on Signal Processing > 2014 > 62 > 18 > 4713 - 4722
IEEE Communications Letters > 2014 > 18 > 4 > 560 - 563
IEEE Transactions on Signal Processing > 2013 > 61 > 20 > 4949 - 4961
IEEE Transactions on Signal Processing > 2008 > 56 > 6 > 2194 - 2205