1. Zainud-Deen , S. H., S. M. Gaber, and S. M. M. Ibrahem, "Built-in dual frequency antenna with an embedded camera and a vertical ground plane," Progress In Electromagnetics Research Letters, Vol. 3, 51-60, 2008.
doi:10.2528/PIERL08012803        Google Scholar

2. Liu, W.-J., Q.-X. Chu, and L.-H. Ye, "A low-profile shorted monopole antenna embedded with a resonant slot," Progress In Electromagnetics Research Letters, Vol. 14, 59-67, 2010.
doi:10.2528/PIERL10030804        Google Scholar

3. Lin, C.-C., "Dual-band folded monopole antenna with slotted ground plane for WLAN applications," Progress In Electromagnetics Research Letters, Vol. 15, 53-60, 2010.
doi:10.2528/PIERL10041803        Google Scholar

4. Gong, J.-G., Y.-C. Jiao, Q. Li, J. Wang, and G. Zhao, "A miniaturized internal wideband antenna for wireless USB dongle application," Progress In Electromagnetics Research Letters, Vol. 17, 67-74, 2010.
doi:10.2528/PIERL10080303        Google Scholar

5. Hsieh, H. W., Y. C. Lee, K. K. Tiong, and J. S. Sun, "Design of a Multiband Antenna for Mobile Handset Operations," IEEE Antennas Wireless Propag. Lett., Vol. 8, 200-203, 2009.
doi:10.1109/LAWP.2008.2011655        Google Scholar

6. Nguyen, V.-A., M.-T. Dao, Y. T. Lim, and S.-O. Park, "A compact tunable internal antenna for personal communication handsets," IEEE Antennas and Wireless Propag. Lett., Vol. 7, 2008.        Google Scholar

7. Chiu, C.-Y., P.-L. Teng, and K.-L. Wong, "Shorted, folded planar monopole antenna for dual-band mobile phone," Electron. Lett., Vol. 39, September 2003.
doi:10.1049/el:20030867        Google Scholar

8. Teng , P.-L., H.-T. Chen, and K.-L. Wong, "Multifrequency planar monopole antenna for GSM/DCS/PCS/WLAN operation," Microwave Opt. Technol. Lett., Vol. 36, 350-352, March 2003.
doi:10.1002/mop.10761        Google Scholar

9. Choi, J.-S., K. K. Kang, J. W. Lee, C. S. Cho, and J. Kim, "A performance investigation of an internal quad-band antenna with double-spiral structures," IEEE Antennas and Wireless Propag. Lett., Vol. 5, 2006.        Google Scholar

10. Chen, I. F. and C. M. Chiang, "Multi-folded tapered monopole antenna for wideband mobile handset applications," Electron. Lett., Vol. 40, May 2004.        Google Scholar

11. Si, L.-M. and X. Lv, "CPW-FED multiband omnidirectional planar microstrip antenna using composite metamaterial resonators for wireless communications," Progress In Electromagnetics Research, Vol. 83, 133-146, 2008.
doi:10.2528/PIER08050404        Google Scholar

12. Yu , H.-Z. and Q.-X. Chu, "A broadband PIFA with zerothorder resonator loading," Progress In Electromagnetics Research Letters, Vol. 21, 67-77, 2011.        Google Scholar

13. Melde , K. L., H. J. Park, H. H. Yeh, B. Fankem, Z. Zhou, and W. R. Eisenstadt, "Software defined match control circuit integrated with a planar inverted F antenna," IEEE Trans. Antennas Propag., Vol. 58, No. 12, 3884-3890, 2010.
doi:10.1109/TAP.2010.2078442        Google Scholar

14. Yang, , S., C. Zhang, H. K. Pan, A. E. Fathy, and V. K. Nair, "Frequency-reconfigurable antennas for multiradio wireless plat-forms," IEEE Microw. Mag., Vol. 10, No. 1, 66-83, 2009.
doi:10.1109/MMM.2008.930677        Google Scholar

15. Chen , C. C., C. Y. Desmond Sim, and F. S. Chen, "A novel compact quad-band narrow strip-loaded printed monopole antenna," IEEE Antennas Wireless Propag. Lett., Vol. 8, 974-976, 2009.
doi:10.1109/LAWP.2009.2030138        Google Scholar

16. Wong , K.-L., G.-Y. Lee, and T.-W. Chiou, "A low-profile planar monopole antenna for multiband operation of mobile handsets," IEEE Trans. Antennas Propag., Vol. 51, No. 1, January,2003.
doi:10.1109/TAP.2003.817997        Google Scholar

17. Wong , K.-L., G.-Y. Lee, and T.-W. Chiou, "A low-profile planar monopole antenna for multiband operation of mobile handsets," IEEE Trans. Antennas Propag., Vol. 51, No. 1, 2003.
doi:10.1109/TAP.2003.817997        Google Scholar