IEEE Communications Magazine
IEEE Communications Magazine > 2009 > 47 > 10 > 138 - 145
IEEE Communications Magazine > 2010 > 48 > 8 > 94 - 95
IEEE Communications Magazine > 2009 > 47 > 10 > 138 - 145
IEEE Communications Magazine > 2010 > 48 > 8 > 94 - 95