WWAN/LTE printed slot antenna for tablet computer application

Microwave and Optical Technology Letters

Volumn 54, Issue 1, 2012, Pages 44-49

  Wong, Kin Lu ^a   Lin, Wun Jian ^a  

^a NATIONAL SUN YAT SEN UNIVERSITY   (Taiwan)

Author keywords

body SAR; internal tablet computer antennas; LTE antennas; mobile antennas; printed slot antennas; WWAN antennas

Indexed keywords

BODY SAR; BOTTOM FACE; EVOLUTION OPERATION; FEED LINE; OPERATING BANDS; PRINTED SLOT ANTENNAS; QUARTER-WAVELENGTH; RADIATION EFFICIENCY; SPECIFIC ABSORPTION RATE; TABLET COMPUTER; TESTING MODELS; WIRELESS WIDE AREA NETWORKS; WWAN ANTENNAS;

ANTENNA ARRAYS; COMPUTER SIMULATION; ELECTROMAGNETIC FIELD EFFECTS; ELECTROMAGNETIC WAVE ABSORPTION; MOBILE ANTENNAS; RADAR ANTENNAS; TISSUE;

SLOT ANTENNAS;

EID: 81855224774     PISSN: 08952477     EISSN: 10982760     Source Type: Journal    
DOI: 10.1002/mop.26509     Document Type: Article

References (33)

1. P. Lindberg, E. Ojefors, and, A. Rydberg, Wideband slot antenna for low-profile hand-held terminal applications, Proc 36th European Microwave Conf (EuMC2006), Manchester, UK, 2006, pp. 1698-1701.
2. K.L. Wong, Y.W. Chi, and, S.Y. Tu, Internal multiband printed folded slot antenna for mobile phone application, Microwave Opt Technol Lett 49 (2007), 1833-1837.
3. C.I. Lin, and, K.L. Wong, Printed monopole slot antenna for internal multiband mobile phone antenna, IEEE Trans Antennas Propag 55 (2007), 3690-3697.
4. C.H. Wu, and, K.L. Wong, Hexa-band internal printed slot antenna for mobile phone application, Microwave Opt Technol Lett 50 (2008), 35-38.
5. C.H. Wu, and, K.L. Wong, Internal hybrid loop/monopole slot antenna for quad-band operation in the mobile phone, Microwave Opt Technol Lett 50 (2008), 795-801.
6. C.H. Chang, and, K.L. Wong, Internal multiband surface-mount monopole slot chip antenna for mobile phone application, Microwave Opt Technol Lett 50 (2008), 1273-1279.
7. C.I. Lin, and, K.L. Wong, Printed monopole slot antenna for penta-band operation in the folder-type mobile phone, Microwave Opt Technol Lett 50 (2008), 2237-2241.
8. F.H. Chu, and, K.L. Wong, Simple folded monopole slot antenna for penta-band clamshell mobile phone application, IEEE Trans Antennas Propag 57 (2009), 3680-3684.
9. K.L. Wong, and, L.C. Lee, Multiband printed monopole slot antenna for WWAN operation in the laptop computer, IEEE Trans Antennas Propag 57 (2009), 324-330.
10. K.L. Wong, and, F.H. Chu, Internal planar WWAN laptop computer antenna using monopole slot elements, Microwave Opt Technol Lett 51 (2009), 1274-1279.
11. 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-band WWAN operation, IEEE Trans Antennas Propag 58 (2010), 3431-3435.
12. C.T. Lee, and, K.L. Wong, Planar monopole with a coupling feed and an inductive shorting strip for LTE/GSM/UMTS operation in the mobile phone, IEEE Trans Antennas Propag 58 (2010), 2479-2483.
13. 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 58 (2010), 3426-3431.
14. K.L. Wong, W.Y. Chen, C.Y. Wu, and, W.Y. Li, Small-size internal eight-band LTE/WWAN mobile phone antenna with internal distributed LC matching circuit, Microwave Opt Technol Lett 52 (2010), 2244-2250.
15. S.C. Chen, and, K.L. Wong, Bandwidth enhancement of coupled-fed on-board printed PIFA using bypass radiating strip for eight-band LTE/GSM/UMTS slim mobile phone, Microwave Opt Technol Lett 52 (2010), 2059-2065.
16. S.K. Sharma, L. Shafai, and, N. Jacob, Investigation of wide-band microstrip slot antenna, IEEE Trans Antennas Propag 52 (2004), 865-872.
17. A.P. Zhao, and, J. Rahola, Quarter-wavelength wideband slot antenna for 3-5 GHz mobile applications, IEEE Antennas Wireless Propag Lett 4 (2005), 421-424.
18. W.S. Chen, and, K.Y. Ku, Band-rejected design of the printed open slot antenna for WLAN/WiMAX operation, IEEE Trans Antennas Propag 56 (2008), 1163-1169.
19. W.S. Chen, and, K.Y. Ku, Broadband design of a small non-symmetric ground λ/4 open slot antenna, Microwave J 50 (2007), 110-120.
20. R. Bancroft, Dual slot radiator single feedpoint printed circuit board antenna, U.S. Pat. 7,129,902, 2006.
21. H. Wang, M. Zheng, and, S.Q. Zhang, Monopole slot antenna, U.S. Pat. 6,618,020, 2003.
22. G.H. Huff, J. Feng, S. Zhang, G. Cung, and, J.T. Bernhard, Directional reconfigurable antennas on laptop computers: Simulation, measurement and evaluation of candidate integration positions, IEEE Trans Antennas Propag 52 (2004), 3220-3227.
23. 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 52 (2010), 2662-2667.
24. 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 59 (2011), 674-679.
25. Federal Communications Commission, Office of Engineering and Technology, Mobile and Portable Device RF Exposure Equipment Authorization Procedures, OET/Lab Knowledge Database publication number 447498 item 7, December 13, 2007.
26. American National Standards Institute (ANSI), Safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 kHz to 300 GHz, ANSI/IEEE standard C95.1, April 1999.
27. IEC 62209-1, Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices-Human models, instrumentation, and procedures-Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz), February 2005.
28. ANSYS HFSS.
29. K.L. Wong, Planar antennas for wireless communications, Wiley, New York, 2003.
30. 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 59 (2011), 751-757.
31. 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.
32. SPEAG SEMCAD, Schmid & Partner Engineering AG.
33. Tissue Simulating Liquid for SAR Measurement, NTT Advanced Technology Corporation.