1. Federal Communication Commission, First report and order, Revision of part 15 of the Commission's rules regarding ultra-wideband transmission system, FCC 02 48, April 22, 2002.
2. , and , Wide-slot antenna for UWB applications, In: IEEE AP-S International Symposium, June 2003, vol. 1, Columbus, OH, pp. 834–837.
3. and , A CWP fed circular monopole antenna for ultra wideband wireless communications, In: IEEE International Antenna and Propagation Symposium, 3–8 July 2005, Washington, DC, pp. 528–531.
4. Flat type UWB antenna by printed circuit board and performance, In: IEEE International Antenna and Propagation Symposium, 3–8 July 2005, pp. 561–564.
5. CPW-fed triangular monopole antenna for ultra-wideband operation