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Dual band directive patch antenna based on the cut wire pairs structure
Author(s) -
Huang Cheng,
Zhao Zeyu,
Luo Xiangang
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24875
Subject(s) - patch antenna , antenna (radio) , microwave , antenna measurement , radiation pattern , microstrip antenna , multi band device , antenna gain , coaxial antenna , antenna factor , optics , electrical engineering , engineering , physics , telecommunications
In this letter, a dual band directive patch antenna with meta‐superstrate is presented. This meta‐superstrate is composed of cut wire pairs with two different lengths, which can make this antenna work at two frequency bands. It is found that the variation of distance h between the meta‐superstrate and ground would affect the radiation performance at every frequency band. Based on the F‐P theory, we discuss this influence process and make tradeoff between the gain of the antenna at the first and second frequency. The patch antenna with meta‐superstrate is then fabricated, and the measured results show that the designed antenna works at f 1 = 14.7 GHz and f 2 = 15.3 GHz, where the gain of the antenna can be both improved by about 8 dB with the introduction of meta‐superstrate. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 160–163, 2010; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/mop.24875