IEEE Communications Magazine
IEEE Communications Magazine > 2006 > 44 > 6 > 86 - 92
IEEE Communications Magazine > 2008 > 46 > 3 > 58 - 66
IEEE Communications Magazine > 2009 > 47 > 9 > 92 - 100
IEEE Communications Magazine > 2010 > 48 > 10 > 94 - 100
IEEE Communications Magazine > 2011 > 49 > 2 > 82 - 83
IEEE Communications Magazine > 2011 > 49 > 2 > 122 - 129
IEEE Communications Magazine > 2015 > 53 > 5 > 242 - 249
IEEE Communications Magazine > 2015 > 53 > 6 > 66 - 72