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IEEE Internet of Things Journal > 2016 > 3 > 3 > 428 - 438
IEEE Communications Letters > 2016 > 20 > 4 > 728 - 731
IEEE Internet of Things Journal > 2016 > 3 > 3 > 428 - 438
IEEE Communications Letters > 2016 > 20 > 4 > 728 - 731