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IEEE Access > 2017 > 5 > 3205 - 3215
IEEE Transactions on Control Systems Technology > 2015 > 23 > 4 > 1373 - 1386
IEEE Communications Surveys & Tutorials > 2015 > 17 > 4 > 2176 - 2213
China Communications > 2014 > 11 > 12 > 72 - 82