%0 Journal Article %T Modified Polar Sigma-Delta Transmitter for Multiradio Applications %A Martha Liliana Suarez Penaloza %A Vá %A clav Valenta %A Geneviè %A ve Baudoin %A Martine Villegas %J EURASIP Journal on Wireless Communications and Networking %D 2010 %I Springer %R 10.1155/2010/979120 %U http://dx.doi.org/10.1155/2010/979120