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IEEE Communications Magazine > 2011 > 49 > 10 > 20 - 22
IEEE Transactions on Mobile Computing > 2011 > 10 > 8 > 1131 - 1143
IEEE Communications Magazine > 2011 > 49 > 10 > 20 - 22
IEEE Transactions on Mobile Computing > 2011 > 10 > 8 > 1131 - 1143