IEEE Communications Magazine
IEEE Communications Magazine > 2008 > 46 > 5 > 84 - 91
IEEE Communications Magazine > 2017 > 55 > 12 > 52 - 59
IEEE Communications Magazine > 2008 > 46 > 5 > 84 - 91
IEEE Communications Magazine > 2017 > 55 > 12 > 52 - 59