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IEEE Wireless Communications > 2017 > 24 > 5 > 126 - 131
IEEE Internet of Things Journal > 2017 > 4 > 5 > 1517 - 1527
IEEE Communications Magazine > 2017 > 55 > 3 > 62 - 67
IEEE Communications Surveys & Tutorials > 2017 > 19 > 3 > 1424 - 1456
IEEE Communications Magazine > 2015 > 53 > 9 > 72 - 79