IEEE Communications Magazine
IEEE Communications Magazine > 2012 > 50 > 5 > 108 - 115
IEEE Communications Magazine > 2012 > 50 > 6 > 134 - 143
IEEE Communications Magazine > 2012 > 50 > 9 > 145 - 152
IEEE Communications Magazine > 2012 > 50 > 10 > 48 - 55
IEEE Communications Magazine > 2012 > 50 > 12 > 88 - 94