IEEE Communications Magazine
IEEE Communications Magazine > 2007 > 45 > 6 > 68 - 75
IEEE Communications Magazine > 2007 > 45 > 6 > 51 - 57
IEEE Communications Magazine > 2008 > 46 > 4 > 40 - 48
IEEE Communications Magazine > 2009 > 47 > 7 > 57 - 63
IEEE Communications Magazine > 2011 > 49 > 3 > 82 - 89
IEEE Communications Magazine > 2012 > 50 > 11 > 108 - 120