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Design of a multimode beamforming network based on the scattering matrix analysis

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Abstract

The investigation of the multimode beamforming network (BFN) has been developed from its scattering matrix (S-matrix) analysis. A substrate integrated waveguide (SIW) BFN is designed and fabricated on a single Rogers 5880 substrate. This device is not only marked by features of conventional BFN, such as Butler matrix, but also has additional benefits, e.g. more compact configuration and higher radiation efficiency. Measured and simulated results based on the proposed structure are in a good agreement, which indicates that this novel type of BFN has good characteristics and presents an excellent candidate in the development of intelligent microwave and millimeter-wave multibeam antenna systems.

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Correspondence to YuJian Cheng.

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Supported by the National Natural Science Foundation of China (Grant No. 60621002), the National High-Tech Research & Development Program of China (Grant No. 2007AA01Z2B4), and the Scientific Research Foundation of Graduate School of Southeast University

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Cheng, Y., Hong, W. & Wu, K. Design of a multimode beamforming network based on the scattering matrix analysis. Sci. China Ser. F-Inf. Sci. 52, 1258–1265 (2009). https://doi.org/10.1007/s11432-009-0093-x

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  • DOI: https://doi.org/10.1007/s11432-009-0093-x

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