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DESIGN AND PERFORMANCE OF A KU-BAND ROTMAN LENS BEAMFORMING NETWORK FOR SATELLITE SYSTEMS

By A. Rahimian

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Abstract:
This paper presents the novel theoretical design, CAD modeling, and performance analysis of a compact and reliable microwave beamforming network (MBFN) which has been developed based on the RF Rotman lens switched-beam steered array for operation in Ku frequency band. The objective of this investigation is to develop a passive beam steering microwave network device intended for the potential suitable use in satellite communications beam scanning electronically scanned arrays. A thorough Ku-band satellite microwave network system has been theoretically designed and simulated along with the analysis of its output RF characteristics. The antenna array feeding network is capable of multi-beams generation and wide-band operation in terms of the true-time-delay (TDD) and low dispersive properties in order to allow simultaneous operation of multiple RF beams. The Rotman lens demonstrates the potential appropriateness in order to develop a high-performance and well-established design for advanced satellite microwave systems, services, and devices.

Citation:
A. Rahimian, "Design and Performance of a KU-Band Rotman Lens Beamforming Network for Satellite Systems," Progress In Electromagnetics Research M, Vol. 28, 41-55, 2013.
doi:10.2528/PIERM12111511

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