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Compact dual-band GPS microstrip antenna

✍ Scribed by Xiang-Fei Peng; Shun-Shi Zhong; Sai-Qing Xu; Qiang Wu

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
96 KB
Volume
44
Category
Article
ISSN
0895-2477

No coin nor oath required. For personal study only.

✦ Synopsis

Recently, in order to satisfy the demand for precise and reliable global positioning system (GPS) applications, the dual-band circularly polarized (CP) antenna has been developed. This paper describes a new design of a probe-fed dual-band CP microstrip antenna with two corner-truncated square patches that overlap without an air gap. Compared with the conventional dual-band CP antenna with an air-gap layer between the two patches, the volume of this antenna is reduced and its fabrication is easier. Details of the proposed antenna design and experimental results are presented and discussed. The measured results confirm the validity of this design, which can meet the requirement of GPS application at 1575/1227-MHz frequencies.

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