［1］REZA Z,CHANGIZ G,JAVAD N.Bandwidth enhancement of novel compact single and dual band-notched printed monopole antenna with a pair of L-shaped slots［J］.IEEE Trans Antennas Propag,2009,57(3):3978-3983.

［2］REZA Z,ABDOLALI A.A very compact ultra-wideband printed omni-directional monopole antenna［J］.IEEE Antenna and Wireless Propagation Letters,2010(9):471-473.

［3］WU Qi,JIN Ronghong,GENG Junping,et al.Printed omni-directional UWB monopole antenna with very compact size［J］.IEEE Transaction on Antennas Propag,2008,56(2):896-899.

［4］ZHOU Feng,QIAN Zuping,PENG Chuan,et al,Design of a compact ultra-wideband printed antenna［C］.USA CA:IEEE ICMMT,2010.

［5］CHRISTINA F JOU,WU Jinwei,WANG Chienjen.Novel broadband monopole antennas with dual-band circular polarization［J］.IEEE Transaction on Antennas Propag,2009,57(6):1027-1034.

［6］WONG Kinlu,LIN Yifang.Stripline-fed printed triangular monopole［J］.Electron Letters,1997(33):1428-1429.

［7］LIN C C,KAN K Y,CHUANG H R.A 3-8-GHz broadband planar triangular sleeve monopole antenna for UWB communication［C］.IEEE Antennas and Propagation Society International Symposium,2007:5741-5744.

［8］RAY K P,KUMAR G,ANOB P V.Wide band planar modified triangular monopole antennas［J］.Microwave Opt Tech Letters,2007,49(6):628-632.