IEEE Communications Magazine
IEEE Communications Magazine > 2012 > 50 > 6 > 46 - 53
IEEE Communications Magazine > 2014 > 52 > 2 > 90 - 96
IEEE Communications Magazine > 2014 > 52 > 11 > 54 - 61
IEEE Communications Magazine > 2015 > 53 > 3 > 165 - 171