Circular-Polarized Antennas for Satellite Wireless Communications

Circular-Polarized Antennas for Satellite Wireless Communications

Design of Microstrip Patch and Wire Antennas for Handheld Satellite Mobile Handsets Using Genetic Algorithms

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The objectives of this research work are to investigate, design and implement circularly-polarized antennas to be used for handheld satellite mobile communication and wireless sensor networks. Several antennas such as Quadrifilar Spiral Antennas (QSAs), two arm Square Spiral and stripline or coaxially-fed microstrip patch antennas are developed and tested. These antennas are investigated and discussed to operate at L band (1.61-1.6214GHz) and ISM band (2.4835-2.5GHz) A Genetic Algorithm in cooperation with an electromagnetic simulator has been introduced to provide fast, accurate and reliable ...