IEEE Communications Magazine
IEEE Communications Magazine > 2009 > 47 > 3 > 166 - 173
IEEE Communications Magazine > 2010 > 48 > 11 > 176 - 183
IEEE Communications Magazine > 2009 > 47 > 3 > 166 - 173
IEEE Communications Magazine > 2010 > 48 > 11 > 176 - 183