Lecture Note
University
California State UniversityCourse
CS 3590 | Data Communications and NetworkingPages
1
Academic year
2023
Jithin Jacob Issac
Views
0
p {margin: 0; padding: 0;} .ft00{font-size:21px;font-family:NimbusSansBold;color:#000000;} .ft01{font-size:18px;font-family:NimbusSansBold;color:#000000;} .ft02{font-size:15px;font-family:OpenSymbol;color:#000000;} .ft03{font-size:18px;font-family:NimbusSans;color:#000000;} CACTUS-SHAPED MIMO ANTENNA Introduction MIMO antennas needed for high data rate wireless communications Proposes a dual-band cactus-shaped MIMO antenna for wireless & satellite apps Single Antenna Design Cactus shape formed by T-shaped radiator and two inverted-F branches. Operates in 4.9-5.45 GHz and 8.72-11.55 GHz bands. T-shape radiator induces lower frequency band, F-branches give higher band. MIMO Antenna Geometry Two cactus antenna elements with 0.12λ edge-to-edge spacing. Inverted U-shaped decoupling structures on ground plane. Ladder connection between decoupling structures Results & Discussion Good impedance matching below -10 dB in both bands. High isolation of >20 dB between MIMO elements Stable antenna gains around 3-4 dBi across both bands. Omnidirectional radiation patterns suitable for wireless communications Conclusion Compact cactus MIMO antenna covers wireless and satellite bands. Decoupling structure minimizes mutual coupling for good diversity. Could enable high data rate multi-band wireless communications.
Cactus-shaped Mimo Antenna
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