IEEE Communications Magazine
IEEE Communications Magazine > 2011 > 49 > 2 > 102 - 111
IEEE Communications Magazine > 2011 > 49 > 2 > 112 - 121
IEEE Communications Magazine > 2011 > 49 > 2 > 102 - 111
IEEE Communications Magazine > 2011 > 49 > 2 > 112 - 121