TWI267232B - F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification system - Google Patents
F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification systemInfo
- Publication number
- TWI267232B TWI267232B TW94132225A TW94132225A TWI267232B TW I267232 B TWI267232 B TW I267232B TW 94132225 A TW94132225 A TW 94132225A TW 94132225 A TW94132225 A TW 94132225A TW I267232 B TWI267232 B TW I267232B
- Authority
- TW
- Taiwan
- Prior art keywords
- ghz
- antenna
- band
- radio frequency
- identification system
- Prior art date
Links
Abstract
The present invention provides an F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification system. A glass fiber board is etched thereon to form the antenna layout of an F-shaped microstrip radiation element which is short to the ground. The antenna includes a small antenna of a 16.8x13 mm ground surface. The signal is fed in through a co-planar waveguide. Based on the abovementioned experiment, the ratio of the simulated return loss to the measured return loss of the antenna is obtained. When the return loss is less than -10 dB, the simulated impedance bandwidth is 320 MHz (5.68-6 GHz); and an optimal impedance match is obtained at 5.8 GHz. With respect to the measured data, an optimal impedance match is also obtained at 5.8 GHz, and the bandwidth is about 640 MHz (5.52-6.16 GHz) or 11% (corresponding to the central frequency of 5.8 GHz). Therefore, the antenna has a simple layout and low cost, and the operation bandwidth can be used in not only a radio frequency identification system, but a WLAN (wireless local area network) of 5.8 GHz band to provide a broader usage benefit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94132225A TWI267232B (en) | 2005-09-19 | 2005-09-19 | F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94132225A TWI267232B (en) | 2005-09-19 | 2005-09-19 | F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification system |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI267232B true TWI267232B (en) | 2006-11-21 |
TW200713696A TW200713696A (en) | 2007-04-01 |
Family
ID=38191796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW94132225A TWI267232B (en) | 2005-09-19 | 2005-09-19 | F-shaped microstrip planar antenna layout operated at a band of 5.8 GHz of a radio frequency identification system |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI267232B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103379750A (en) * | 2012-04-27 | 2013-10-30 | 富葵精密组件(深圳)有限公司 | Multilayer circuit board and manufacturing method thereof |
CN112103638A (en) * | 2020-09-09 | 2020-12-18 | 安徽师范大学 | Four-band cactus palm-shaped small-sized microstrip antenna based on 5G frequency band and WLAN frequency band |
-
2005
- 2005-09-19 TW TW94132225A patent/TWI267232B/en not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103379750A (en) * | 2012-04-27 | 2013-10-30 | 富葵精密组件(深圳)有限公司 | Multilayer circuit board and manufacturing method thereof |
CN103379750B (en) * | 2012-04-27 | 2016-06-01 | 富葵精密组件(深圳)有限公司 | Multilayer circuit board and preparation method thereof |
CN112103638A (en) * | 2020-09-09 | 2020-12-18 | 安徽师范大学 | Four-band cactus palm-shaped small-sized microstrip antenna based on 5G frequency band and WLAN frequency band |
CN112103638B (en) * | 2020-09-09 | 2022-11-22 | 安徽师范大学 | Four-band cactus-shaped small microstrip antenna based on 5G frequency band and WLAN frequency band |
Also Published As
Publication number | Publication date |
---|---|
TW200713696A (en) | 2007-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |