| Summary: | 碩士 === 國立臺北科技大學 === 電子電腦與通訊產業研發碩士專班 === 95 === In this thesis, monopole antenna structure is used to design the single band and dual-band antennas operated in 2400~2480MHz and 5~6GHz which frequencies are WLAN (Wireless Local Area Network, WLAN) used. In this thesis, the IE3D software is used for antennas’ simulated and the antennas are fabricated on the FR4 structure. All of the antennas feed by using CPW (Coplanar Waveguide, CPW) structure, use different metallic strips producing several resonant frequencies for single band antennas or dual-band antenna, and bend the metallic strips in order to compact the antenna’s size. This paper also discuss about MIMO (Multi in Multi out, MIMO) antenna. Place two same monopole antennas together. In order to reduce their mutual coupling, change antennas’ size, and position, or put another metallic strip between the two antennas to increase their isolation and make sure their radiation attribution.
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