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IEEE Communications Letters > 2010 > 14 > 2 > 181 - 183
IEEE Communications Letters > 2010 > 14 > 3 > 239 - 241
IEEE Transactions on Circuits and Systems I: Regular Papers > 2010 > 57 > 4 > 836 - 849
2008 4th Advanced Satellite Mobile Systems > 274 - 282