A novel radiation pattern and frequency reconfigurable single turn square spiral microstrip antenna

This paper presents a novel pattern and frequency reconfigurable microstrip antenna that uses switched connections. The basic antenna operates with linear polarization around 3.7 GHz. One set of connections provides a re-directed radiation pattern while maintaining a common operating impedance bandw...

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Veröffentlicht in:	IEEE microwave and wireless components letters 2003-02, Vol.13 (2), p.57-59
Hauptverfasser:	Huff, G.H., Feng, J., Zhang, S., Bernhard, J.T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Antenna arrays Antenna radiation patterns Antennas Applied sciences Bandwidth Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Feeds Frequency Frequency bands Impedance Joints Linear polarization Microstrip antennas Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Microwaves Phased arrays Polarization Spirals
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Beschreibung
Zusammenfassung:	This paper presents a novel pattern and frequency reconfigurable microstrip antenna that uses switched connections. The basic antenna operates with linear polarization around 3.7 GHz. One set of connections provides a re-directed radiation pattern while maintaining a common operating impedance bandwidth with the baseline configuration. The second set of connections results in operation at a higher frequency band at 6 GHz with broadside patterns. Measured results of the three antenna configurations are provided. Potential applications of this reconfigurability and directions for future work are discussed.
ISSN:	1531-1309 2771-957X 1558-1764 2771-9588
DOI:	10.1109/LMWC.2003.808714