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IEEE Transactions on Wireless Communications > 2010 > 9 > 12 > 3866 - 3877
IEEE Signal Processing Letters > 2009 > 16 > 5 > 346 - 349
IEEE Journal on Selected Areas in Communications > 2009 > 27 > 2 > 191 - 201
IEEE Transactions on Wireless Communications > 2008 > 7 > 2 > 505 - 509