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IEEE Access > 2017 > 5 > 12404 - 12416
IEEE Communications Magazine > 2017 > 55 > 6 > 190 - 197
IEEE Access > 2017 > 5 > 15428 - 15441
IEEE Access > 2017 > 5 > 1272 - 1283
IEEE Communications Surveys & Tutorials > 2017 > 19 > 2 > 1054 - 1079
IEEE Transactions on Mobile Computing > 2017 > 16 > 1 > 30 - 43