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IEEE Communications Letters > 2011 > 15 > 2 > 214 - 216
IEEE Transactions on Wireless Communications > 2011 > 10 > 1 > 12 - 19
IEEE Transactions on Signal Processing > 2011 > 59 > 3 > 1229 - 1238
IEEE Transactions on Wireless Communications > 2010 > 9 > 12 > 3739 - 3749
IEEE Signal Processing Letters > 2010 > 17 > 2 > 161 - 164
IEEE Transactions on Wireless Communications > 2010 > 9 > 5 > 1708 - 1719