Harmonic suppression with photonic bandgap and defected ground structure for a microstrip patch antenna
β Scribed by Haiwen Liu, ; Zhengfan Li, ; Xiaowei Sun, ; Junfa Mao
- Book ID
- 120971449
- Publisher
- IEEE
- Year
- 2005
- Tongue
- English
- Weight
- 139 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1531-1309
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## Abstract A probeβfed annularβring microstrip antenna with a photonic bandgap (PBG) ground plane operating in the higher order mode of TM~21~ for conicalβpattern radiation is experimentally demonstrated. The antenna studied is printed on a thin FR4 substrate (relative permittivity 4.4) and, owing
## Abstract A defected microstrip structure (DMS) is proposed to reducing the size of a rectangular patch antenna by increasing its electric length, without degrading its performance. To illustrate this advantage, one conventional and one proposed defected patch antenna were developed and measured