Bandwidth enhancement of small-size planar tablet computer antenna using a parallel-resonant spiral slit

IEEE Transactions on Antennas and Propagation

Volumn 60, Issue 4, 2012, Pages 1705-1711

  Wong, Kin Lu ^a   Chang, Yu Wei ^a,b   Chen, Shu Chuan ^a  

^a NATIONAL SUN YAT SEN UNIVERSITY   (Taiwan)

^b LITE ON TECHNOLOGY CORPORATION   (Taiwan)

Author keywords

Mobile antennas; parallel resonant spiral slit; printed antennas; tablet computer antennas; WWAN antennas

Indexed keywords

ALL-PRINTED; BANDWIDTH ENHANCEMENT; FR4 SUBSTRATES; HIGHER ORDER; OPERATING PRINCIPLES; PARALLEL RESONANCE; PARALLEL-RESONANT SPIRAL SLIT; PRINTED ANTENNA; QUARTER-WAVELENGTH; RESONANT MODE; SMALL ANTENNA; SMALL SIZE; TABLET COMPUTER; WIDEBAND OPERATION; WWAN ANTENNAS; WWAN OPERATION;

ANTENNA GROUNDS; MOBILE ANTENNAS; RESONANCE;

SPIRAL ANTENNAS;

EID: 84859802130     PISSN: 0018926X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TAP.2012.2186266     Document Type: Article

References (29)

1. P. Vainikainen J. Ollikainen, O. Kivekas, and I. Kelander, "Resonator- based analysis of the combination of mobile handset antenna and chassis," IEEE Trans. Antennas Propag., vol. 50, pp. 1433-1444, Oct. 2002.
2. T. Y.Wu andK.L.Wong "On the impedance bandwidth of a planar inverted- F antenna for mobile handsets," Microwave Opt. Technol. Lett., vol. 32, pp. 249-251, Feb. 2002.
3. O. Kivekas J. Ollikainen, T. Lehtiniemi, and P. Vainikainen, "Effect of the chassis length on the bandwidth, SAR, and efficiency of internal mobile phone antennas," Microwave Opt. Technol. Lett., vol. 36, pp. 457-462, Mar. 2003.
4. 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.
5. X. Wang W. Chen, and Z. Feng, "Multiband antenna with parasitic branches for laptop applications," Electron. Lett., vol. 43, pp. 1012-1013, Sep. 2007.
6. K. L. Wong and L. C. Lee "Multiband printed monopole slot antenna for WWAN operation in the laptop computer," IEEE Trans. Antennas Propag., vol. 57, pp. 324-330, Feb. 2009.
7. K. L. Wong W. J. Chen, L. C. Chou, and M. R. Hsu, "Bandwidth enhancement of the small-size internal laptop computer antenna using a parasitic open slot for the penta-bandWWAN operation," IEEE Trans. Antennas Propag., vol. 58, pp. 3431-3435, Oct. 2010.
8. T. W. Kang K. L. Wong, L. C. Chou, and M. R. Hsu, "Coupled-fed shorted monopole with a radiating feed structure for eight-band LTE/WWAN operation in the laptop computer," IEEE Trans. Antennas Propag., vol. 59, pp. 674-679, Feb. 2011.
9. C.W. Chiu and Y. J. Chi "Printed loop antenna with a U-shaped tuning element for hepta-band laptop applications," IEEE Trans. Antennas Propag., vol. 58, pp. 3464-3470, Nov. 2010.
10. C. W. Chiu Y. J. Chi, and S.M. Deng, "An internal multiband antenna for WLAN and WWAN applications," Microwave Opt. Technol. Lett., vol. 51, pp. 1803-1807, Aug. 2009.
11. K. L. Wong and S. J. Liao "Uniplanar coupled-fed printed PIFA for WWAN operation in the laptop computer," Microwave Opt. Technol. Lett., vol. 51, pp. 549-554, Feb. 2009.
12. K. L. Wong and F. H. Chu "Internal planar WWAN laptop computer antenna using monopole slot elements," MicrowaveOpt. Technol. Lett., vol. 51, pp. 1274-1279, May 2009.
13. T. W. Kang and K. L. Wong "Internal printed loop/monopole combo antenna for LTE/GSM/UMTS operation in the laptop computer," Microwave Opt. Technol. Lett., vol. 52, pp. 1673-1678, Jul. 2010.
14. K. L.Wong and P. J.Ma "Coupled-fed loop antenna with branch radiators for internal LTE/WWAN laptop computer antenna," Microwave Opt. Technol. Lett., vol. 52, pp. 2662-2667, Dec. 2010.
15. Y.W. Chi and K. L.Wong "Very-small-size folded loop antennawith a band-stop matching circuit forWWAN operation in themobile phone," Microwave Opt. Technol. Lett., vol. 51, pp. 808-814, Mar. 2009.
16. H. G. Schantz,G.Wolenec, and E.M.Myszka, III, "Frequency notched UWB antennas," in Proc. 2003 IEEE Conf. on UltraWideband Systems and Technologies, Reston, VA, USA, pp. 214-218.
17. Y. Kim and D. H. Kwon "CPW-fed ultra wideband antenna having a frequency band notch function," Electron. Lett., vol. 40, pp. 403-405, Apr. 2004.
18. S. W. Su, K. L. Wong, and C. L. Tang, "Band-notched ultra-wideband planar monopole antenna," Microwave Opt. Technol. Lett., vol. 44, pp. 217-219, Feb. 2005.
19. K. L. Wong, Y. W. Chi, C. M. Su, and F. S. Chang, "Band-notched ultra-wideband circular disk monopole antenna with an arc-shaped slot," Microwave Opt. Technol. Lett., vol. 45, pp. 188-191, May 2005.
20. S. W. Su and K. L.Wong "Printed band-notched ultra-wideband quasidipole antenna," Microwave Opt. Technol. Lett., vol. 48, pp. 418-420, Mar. 2006.
21. W. S. Lee, D. Z. Kim, K. J. Kim, and J. W. Yu, "Wideband planar monopole antennas with dual band-notched characteristics," IEEE Trans. Microwave Theory Tech., vol. 54, pp. 2800-2806, Jun. 2006.
22. First Report and Order in the Matter of Revision of Part 15 of the Commission's Rules Regarding Ultra-Wideband Transmission Systems Federal Communications Commission, 2002, ET-Docket98-153.
23. C. H. Chang and K. L. Wong "Small-size printed monopole with a printed distributed inductor for penta-band WWAN mobile phone application," MicrowaveOpt. Technol. Lett., vol. 51, pp. 2903-2908,Dec. 2009.
24. K. L. Wong and S. C. Chen "Printed single-strip monopole using a chip inductor for penta-band WWAN operation in the mobile phone," IEEE Trans. Antennas Propag., vol. 58, pp. 1011-1014, Mar. 2010.
25. C. H. Chang and K. L. Wong "Bandwidth enhancement of internal WWAN antenna using an inductively coupled plate in the small-size mobile phone,"Microwave Opt. Technol. Lett., vol. 52, pp. 1247-1253, Jun. 2010.
26. ANSYS HFSS [Online]. Available: http://www.ansys.com/products/hf/hfss/
27. K. L. Wong W. Y. Chen, and T. W. Kang, "On-board printed coupled- fed loop antenna in close proximity to the surrounding ground plane for penta-band WWAN mobile phone," IEEE Trans. Antennas Propag., vol. 59, pp. 751-757, Mar. 2011.
28. F. H. Chu and K. L. Wong "Simple planar printed strip monopole with a closely-coupled parasitic shorted strip for eight-band LTE/GSM/UMTS mobile phone," IEEE Trans. Antennas Propag., vol. 58, pp. 3426-3431, Oct. 2010.
29. F. H. Chu and K. L. Wong "Simple folded monopole slot antenna for penta-band clamshell mobile phone application," IEEE Trans. Antennas Propag., vol. 57, pp. 3680-3684, Nov. 2009.