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http://dx.doi.org/10.5515/KJKIEES.2007.18.3.257

Design of Wide-Band, High Gain Microstrip Antenna Using Parallel Dual Slot and Taper Type Feedline  

Lee, Sang-Woo (Hankook Antenna R&D Center)
Lee, Jae-Sung (Hankook Antenna R&D Center)
Kim, Chol-Soo (Department of Maritime Electronic and Communication Engineering, Mokpo National Maritime University)
Publication Information
Abstract
In this paper, we have designed and fabricated a wide-band and high gain antenna which can integrate a standard of IEEE 802.1la$(5.15\sim5.25\;GHz,\;5.25\sim5.35\;GHz,\;5.725\sim5.825\;GHz)$. We inserted a parallel dual slot into a rectangular patch to have wide-band, and we offset an element of capacitance from the slot by using coaxial probe feeding method. We also designed a converter of $\lambda_g/4$ impedance with taper type line so that wide-band impedance can be matched easily. We finally designed structure with $2\times2$ array in order to improve the antenna gain, and the final fabricated antenna could have a good return loss(Return loss$\leq$-10 dB) and a high gain(over 13 dBi) at the range of $5.01\sim5.95\;GHz(B/W\doteqdot940\;MHz)$.
Keywords
Dual Parallel Slot; Wide-Band; High Gain; Taper Type Line;
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