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IEEE Communications Letters > 2009 > 13 > 3 > 164 - 166
IEEE Transactions on Mobile Computing > 2009 > 8 > 10 > 1368 - 1383
IEEE Communications Letters > 2009 > 13 > 3 > 164 - 166
IEEE Transactions on Mobile Computing > 2009 > 8 > 10 > 1368 - 1383