Internal WWAN clamshell mobile phone antenna using a current trap for reduced ground plane effects

IEEE Transactions on Antennas and Propagation

Volumn 57, Issue 10 PART 2, 2009, Pages 3303-3308

  Lee, Cheng Tse ^a   Wong, Kin Lu ^a  

^a NATIONAL SUN YAT SEN UNIVERSITY   (Taiwan)

Author keywords

Clamshell mobile phone antennas; Handset antennas; Mobile antennas; Reduced ground plane effects; WWAN antennas

Indexed keywords

GROUND PLANES; HANDSET ANTENNA; HANDSET ANTENNAS; MOBILE-PHONE ANTENNAS; WWAN ANTENNAS;

ANTENNA GROUNDS; HEARING AIDS; MOBILE PHONES; MOBILE TELECOMMUNICATION SYSTEMS; RADAR ANTENNAS; TELECOMMUNICATION EQUIPMENT; TELEPHONE; TELEPHONE SETS; WIRELESS NETWORKS;

MOBILE ANTENNAS;

EID: 76149144753     PISSN: 0018926X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TAP.2009.2029612     Document Type: Article

References (21)

1. T. Sugiyama, H. Horita, Y. Shirakawa, M. Ikegaya, S. Takaba, and H. Tate, "Triple-band internal antenna for clamshell type mobile phone," Hitachi Cable Rev., no. 22, pp. 26-31, Aug. 2003.
2. P. L. Teng, T. W. Chiou, and K. L. Wong, "Internal planar monopole antenna for GSM/DCS/PCS folder-type mobile phone," Microw. Opt. Technol. Lett., vol. 39, pp. 106-108, Oct. 20, 2003.
3. K. L. Wong, S. W. Su, C. L. Tang, and S. H. Yeh, "Internal shorted patch antenna for a UMTS folder-type mobile phone," IEEE Trans. Antennas Propag., vol. 53, pp. 3391-3394, Oct. 2005.
4. K. L. Wong, W. C. Su, and F. S. Chang, "Wideband internal folded planar monopole antenna for UMTS/WiMAX folder-type mobile phone," Microw. Opt. Technol. Lett., vol. 48, pp. 324-327, Feb. 2006.
5. K. L. Wong, Y. W. Chi, B. Chen, and S. Yang, "Internal DTV antenna for folder-type mobile phone," Microw. Opt. Technol. Lett., vol. 48, pp. 1015-1019, Jun. 2006.
6. M. Tzortzakakis and R. J. Langley, "Quad-band internal mobile phone antenna," IEEE Trans. Antennas Propag., vol. 55, pp. 2097-2103, Jul. 2007.
7. B. S. Collins, "Improving the RF performance of clamshell handsets," in Proc. IEEE Int. Workshop Antenna Technology: Small Antennas Metamaterials, 2006, pp. 265-268.
8. C. I. Lin and K. L. Wong, "Printed monopole slot antenna for penta-band operation in the folder-type mobile phone," Microw. Opt. Technol. Lett., vol. 50, pp. 2237-2241, Sep. 2008.
9. K. L. Wong and S. Y. Tu, "Ultra-wideband coupled-fed loop antenna for penta-band folder-type mobile phone," Microw. Opt. Technol. Lett., vol. 50, pp. 2706-2712, Oct. 2008.
10. C. H. Chang, K. L. Wong, and J. S. Row, "Coupled-fed small-size PIFA for penta-band folder-type mobile phone application," Microw. Opt. Technol. Lett., vol. 51, pp. 18-23, Jan. 2009.
11. K. L. Wong and C. H. Huang, "Printed PIFA with a coplanar coupling feed for penta-band operation in the mobile phone," Microw. Opt. Technol. Lett., vol. 50, pp. 3181-3186, Dec. 2008.
12. American National Standard for Method of Measurement of Compatibility Between Wireless Communication Devices and Hearing Aids (ANSI C63.19-2007, Revision ANSI C63.19-2006),, American National Standards Institute, New York, 2007.
13. T. Yang, W. A. Davis, W. L. Stutzman, and M. C. Huynh, "Cellular- phone and hearing-aid interaction: An antenna solution," IEEE Antennas Propag. Mag., vol. 50, pp. 51-65, Jun. 2008.
14. D. Seabury, "Hearing aid compatibility for wireless devices-HAC testing adds another layer of compliance complexity," Conformity pp. 28-33, Jan. 2007 [Online]. Available: http://www.conformity.com
15. Safety Levels With Respect to Human Exposure to Radio-Frequency Electromagnetic Field, 3 kHz to 300 GHz, ANSI/IEEE standard C95.1, American National Standards Institute (ANSI), Apr. 1999.
16. J. C. Lin, "Specific absorption rates induced in head tissues by microwave radiation from cell phones," Microwave, pp. 22-25, Mar. 2001.
17. K. L. Wong and S. J. Liao, "Uniplanar coupled-fed printed PIFA for WWAN operation in the laptop computer," Microw. Opt. Technol. Lett., vol. 51, pp. 549-554, Feb. 2009.
18. K. L. Wong and C. H. Huang, "Bandwidth-enhanced internal PIFA with a coupling feed for quad-band operation in the mobile phone," Microw. Opt. Technol. Lett., vol. 50, pp. 683-687, Mar. 2008.
19. C. H. Chang and K. L. Wong, "Internal coupled-fed shorted monopole antenna for GSM850/900/1800/1900/UMTS operation in the laptop computer," IEEE Trans. Antennas Propag., vol. 56, pp. 3600-3604, Nov. 2008.
20. C. H. Chang and K. L. Wong, "Printed λ/8-PIFA for penta-band WWAN operation in the mobile phone," IEEE Trans. Antennas Propag., vol. 57, pp. 1373-1381, May 2009.
21. Y. W. Chi and K. L. Wong, "Compact multiband folded loop chip antenna for small-size mobile phone," IEEE Trans. Antennas Propag., vol. 56, pp. 3797-3803, Dec. 2008.