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IEEE Internet of Things Journal > 2017 > 4 > 5 > 1684 - 1695
IEEE Communications Letters > 2010 > 14 > 3 > 205 - 207
IEEE Communications Letters > 2010 > 14 > 4 > 300 - 302
IEEE Transactions on Wireless Communications > 2009 > 8 > 6 > 2827 - 2830