IEEE Communications Magazine
IEEE Communications Magazine > 2009 > 47 > 2 > 168 - 175
IEEE Communications Magazine > 2009 > 47 > 8 > 35 - 41
IEEE Communications Magazine > 2012 > 50 > 8 > 79 - 88
IEEE Communications Magazine > 2013 > 51 > 5 > 118 - 127
IEEE Communications Magazine > 2013 > 51 > 11 > 94 - 104