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IEEE Internet of Things Journal > 2017 > 4 > 5 > 1420 - 1433
IEEE Transactions on Vehicular Technology > 2017 > 66 > 8 > 7411 - 7421
IEEE Access > 2017 > 5 > 11582 - 11593
IEEE Wireless Communications > 2016 > 23 > 6 > 140 - 146