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The Design of Compact and wideband antenna for wireless LAN at 5GHz band  

Park Kyoung-Su (Division of Electronic & Information Engineering)
Choi Sung-Youl (Division of Electronic & Information Engineering)
Shin Phil-Soo (ACE Technology)
Ko Young-Ho (Division of Electronic & Information Engineering)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.41, no.6, 2004 , pp. 93-99 More about this Journal
Abstract
According to rapid increment of demand for wireless Local Area Network (LAN), the HyperLAN of 5.1-533GHz and 5.725-5.825GHz is newly allocated for wireless LAM in many regions over the world. Also, because most of mobile communication equipments are small, the size of antenna is important factor of effective design. In this paper, the compacted and wide bandwidth antenna is designed for wireless LAN at 5GHz band. Although the structure of U-shaped slot antenna is simple, It has large bandwidth of $10-40\%$. Also, the U-slot antenna has good radiation pattern. However, in general, the size of U-slot antenna is large. Therefore, it is difficult to apply to wireless equipment such as PDA and Notebook. This proposed antenna has a wide bandwidth by U-shaped slot in rectangular patch and is compacted by using two layered dielectric substrates and foam. For the design of U-slot antenna, the Finite Difference Time Domain method is applied. Also, the method of MPI parallel program is used for the enhancement of the analyzing speed of the FDTD method.
Keywords
U-Slot; Wide Band; Antenna; FDTD;
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