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IEEE Communications Letters > 2010 > 14 > 1 > 18 - 20
IEEE Transactions on Mobile Computing > 2007 > 6 > 10 > 1171 - 1184
IEEE Communications Letters > 2010 > 14 > 1 > 18 - 20
IEEE Transactions on Mobile Computing > 2007 > 6 > 10 > 1171 - 1184