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IEEE Communications Letters > 2016 > 20 > 1 > 157 - 160
IEEE Transactions on Wireless Communications > 2014 > 13 > 2 > 646 - 657
2013 IEEE Global Communications Conference (GLOBECOM) > 1075 - 1081
IEEE Communications Surveys & Tutorials > 2013 > 15 > 3 > 1088 - 1107
IEEE Network > 2009 > 23 > 4 > 34 - 40