Study of circularly polarized patch antenna for wireless Local Area Network access point application
Circular Polarized (CP) antennas are attractive for wireless communication applications because no strict orientation between the access point and the mobile unit are required. The purpose of this project is to make a comparative study between a CP patch antenna and a standard monopole antenna for W...
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| Format: | Thesis |
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2007
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| Summary: | Circular Polarized (CP) antennas are attractive for wireless communication applications because no strict orientation between the access point and the mobile unit are required. The purpose of this project is to make a comparative study between a CP patch antenna and a standard monopole antenna for Wireless Local Area Network Access Point (WLAN AP) applications at 2.4 ~ 2.485GHz frequency band. Circularly polarized operation is achieved by truncating two opposite corners of a square patch and airgap with a long probe feed is used as bandwidth enhancement technique. The best 3dB axial ratio bandwidth and 10dB impedance bandwidth reached 8.55% and 8.9% respectively, for gain of 6dBi with airgap thickness of 5mm. Details of the antenna design, the process involved, and the simulation and experimental results are presented. |
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