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IEEE Signal Processing Letters > 2017 > 24 > 8 > 1148 - 1152
IEEE Transactions on Information Theory > 2015 > 61 > 4 > 2043 - 2059
IEEE Transactions on Signal Processing > 2011 > 59 > 5 > 2331 - 2341
IEEE Signal Processing Letters > 2011 > 18 > 8 > 478 - 481