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A novel circularly polarized microstrip antenna which is designed based on the single complementary split ring resonator (SCSRR) is proposed. The analysis of current distribution on the patch using the complementary split ring resonator (CSRR) has enlightened on the design. The rules about parameters adjustment is studied through parametric analysis. One group of optimized parameters can be determined...
This paper presents novel 3-dB branch-line coupler by combining the technology of fractal geometry and composite right/left handed transmission line (FCRLH TL) for the first time. The designed branch-line coupler operating at 0.88GHz has been successfully designed. Simultaneously, the proposed FCRLH TL cell has been detailed investigated by the method of electrical parameters extraction process, and...
For the dual-band and miniaturization application in wireless communication, this paper presents novel arbitrary dual-band quarter-wave open-circuit stub with frequency ratio of 2.14 by combing the theory of fractal geometry and composite right/left handed transmission line(CRLH TL) for the first time. Novel open-circuit stub has been fabricated and measured in order to experimentally validate the...
A new type of microstrip antenna based on Composite Right/Left-Handed Transmission Lines (CRLH-TLs) combined with Koch-fractal-shape geometry is designed in this paper. Matching means of a ring slot is also presented. The dimensions of the implemented antenna is 29.6*28mm2, which has been miniaturized by 57% compared with conventional microstrip antenna(44*44mm2). Numerical results show that antenna...
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