Small-size wireless wide area network loop chip antenna for clamshell mobile phone with hearing-aid compatibility

Microwave and Optical Technology Letters

Volumn 51, Issue 10, 2009, Pages 2327-2335

  Li, Wei Yu ^a   Wong, Kin Lu ^a  

^a NATIONAL SUN YAT SEN UNIVERSITY   (Taiwan)

Author keywords

Chip antennas; Clamshellmobile phone; Hearing aid compatibility; Internal mobile phone antennas; Loop antennas

Indexed keywords

ALL-PRINTED; CAPACITIVELY COUPLED FEED; CHIP ANTENNAS; CLAMSHELLMOBILE PHONE; COMMUNICATION DEVICE; E-FIELD; EM FIELD; GROUND PLANES; HEARING-AID COMPATIBILITY; IMPEDANCE MATCHINGS; INTERNAL MOBILE PHONE ANTENNAS; MOBILE PHONE APPLICATIONS; NEAR-FIELD; OPERATING BANDS; RESONANT MODE; SMALL SIZE; SPECIFIC ABSORPTION RATE; SURFACE CURRENT; WIRELESS WIDE AREA NETWORKS;

ANTENNA GROUNDS; LOOP ANTENNAS; MOBILE PHONES; MOBILE TELECOMMUNICATION SYSTEMS; TELECOMMUNICATION EQUIPMENT; TELEPHONE; TELEPHONE SETS; WIDE AREA NETWORKS; WIRELESS NETWORKS; WIRELESS TELECOMMUNICATION SYSTEMS;

MOBILE ANTENNAS;

EID: 68349132120     PISSN: 08952477     EISSN: None     Source Type: Journal    
DOI: 10.1002/mop.24665     Document Type: Article

References (24)

1. K.L. Wong, Planar antennas for wireless communications, Wiley, New York, 2003.
2. T. Sugiyama, H. Horita, Y. Shirakawa, M. Ikegaya, S. Takaba, and H. Tate, Triple-band internal antenna for clamshell type mobile phone, Hitachi cable review, Hitachi Co., Japan 2003, pp. 26-31.
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 53 (2005), 3391-3394.
4. K.L. Wong, W.C. Su, and F.S. Chang, Wideband internal folded planar monopole antenna for UMTS/WiMAX folder-type mobile phone, Microwave Opt Technol Lett 48 (2006), 324-327.
5. K.L. Wong, Y.W. Chi, B. Chen, and S. Yang, Internal DTV antenna for folder-type mobile phone, Microwave Opt Technol Lett 48 (2006), 1015-1019.
6. B.S. Collins, Improving the RF performance of clamshell handsets, IEEE International Workshop on Antennas Technology Small Antenna and Novel Metamaterials, 2006, pp. 265-268.
7. K.L. Wong and S.Y. Tu, Ultra-wideband loop antenna coupled-fed by a monopole feed for penta-band folder-type mobile phone, Microwave Opt Technol Lett 50 (2008), 2706-2712.
8. C.I. Lin and K.L. Wong, Printed monopole slot antenna for penta-band operation in the folded-type mobile phone, Microwave Opt Technol Lett 50 (2008), 2237-2242.
9. C.H. Chang, K.L. Wong, and J.S. Row, Coupled-fed small-size PIFA for penta-band folder-type mobile phone application, Microwave Opt Technol Lett 51 (2009), 18-23.
10. B.K. Yu, B. Jung, H.J. Lee, F.J. Harackiewicz, and B. Lee, A folded and bent internal loop antenna for GSM/DCS/PCS operation of mobile handset applications, Microwave Opt Technol Lett 48 (2006), 463- 467.
11. B. Jung, H. Rhyu, Y.J. Lee, F.J. Harackiewicz, M.J. Park, and B. Lee, Internal folded loop antenna with tuning notches for GSM/GPS/DCS/ PCS mobile handset applications, Microwave Opt Technol Lett 48 (2006), 1501-1504.
12. W.Y. Li and K.L. Wong, Internal printed loop-type mobile phone antenna for penta-band operation, Microwave Opt Technol Lett 49 (2007), 2595-2599.
13. W.Y. Li and K.L. Wong, Surface-mount loop antenna for AMPS/ GSM/DCS/ PCS operation in the PDA phone, Microwave Opt Technol Lett 49 (2007), 2250-2254.
14. Y.W. Chi and K.L. Wong, Internal compact dual-band printed loop antenna for mobile phone application, IEEE Trans Antennas Propag 55 (2007), 1457-1462.
15. C.I. Lin and K.L. Wong, Internal meandered loop antenna for GSM/ DCS/PCS multiband operation in a mobile phone with the user's hand, Microwave Opt Technol Lett 49 (2007), 759-765.
16. K.L. Wong and C.H. Huang, Printed loop antenna with a perpendicular feed for penta-band mobile phone application, IEEE Trans Antennas Propag 56 (2008), 2138-2141.
17. Y.W. Chi and K.L. Wong, Compact multiband folded loop chip antenna for small-size mobile phone, IEEE Trans Antennas Propag 56 (2008), 3797-3803.
18. W.Y. Li and K.L. Wong, Seven-band surface-mount loop antenna with a capacitively coupled feed for mobile phone application, Microwave Opt Technol Lett 51 (2009), 81-88.
19. Y.W. Chi and K.L. Wong, Very-small-size printed loop antenna for GSM/DCS/PCS/UMTS operation in the mobile phone, Microwave Opt Technol Lett 51 (2009), 184-192.
20. M.R. Hsu and K.L. Wong, Seven-band folded-loop chip antenna for WWAN/WLAN/WiMAX operation in the mobile phone, Microwave Opt Technol Lett 51 (2009), 543-549.
21. American National Standards Institute, American National Standard for Method of Measurement of Compatibility between Wireless communication Devices and Hearing Aids (ANSI C63.19-2007), American National Standards Institute, New York, 2007.
22. 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 50 (2008), 51-65.
23. Available at: http://www.ansoft.com/products/hf/hfss/, Ansoft Corporation HFSS.
24. Available at: http://www.semcad.com, SEMCAD, Schmid & Partner Engineering AG (SPEAG).