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IEEE Communications Surveys & Tutorials > 2017 > 19 > 2 > 721 - 742
IEEE Communications Magazine > 2012 > 50 > 6 > 12 - 14
IEEE Wireless Communications > 2009 > 16 > 2 > 6 - 15
IEEE Aerospace and Electronic Systems Magazine > 2008 > 23 > 2 > 3 - 10
IEEE Transactions on Communications > 2008 > 56 > 7 > 1043 - 1046