IEEE Communications Magazine
IEEE Communications Magazine > 2009 > 47 > 9 > 110 - 116
IEEE Communications Magazine > 2011 > 49 > 2 > 92 - 100
IEEE Communications Magazine > 2011 > 49 > 12 > 176 - 181
IEEE Communications Magazine > 2012 > 50 > 2 > 148 - 155
IEEE Communications Magazine > 2015 > 53 > 1 > 186 - 194