IEEE Communications Magazine
IEEE Communications Magazine > 2015 > 53 > 1 > 134 - 141
IEEE Communications Magazine > 2015 > 53 > 9 > 134 - 142
IEEE Communications Magazine > 2015 > 53 > 1 > 134 - 141
IEEE Communications Magazine > 2015 > 53 > 9 > 134 - 142