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IEEE Communications Surveys & Tutorials > 2017 > 19 > 3 > 1790 - 1821
IEEE Transactions on Mobile Computing > 2015 > 14 > 5 > 920 - 936
IEEE Communications Surveys & Tutorials > 2017 > 19 > 3 > 1790 - 1821
IEEE Transactions on Mobile Computing > 2015 > 14 > 5 > 920 - 936