IEEE Communications Magazine
IEEE Communications Magazine > 2009 > 47 > 5 > 116 - 125
IEEE Communications Magazine > 2010 > 48 > 11 > 118 - 119
IEEE Communications Magazine > 2009 > 47 > 5 > 116 - 125
IEEE Communications Magazine > 2010 > 48 > 11 > 118 - 119