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Design and Evaluation of Hybrid Digital Retrodirective Array Antenna System
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 Title & Authors
Design and Evaluation of Hybrid Digital Retrodirective Array Antenna System
Park, Hae-Gyu; Ryu, Heung-Gyoon;
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 Abstract
Digital RDA system is retransmit into the opposite direction of the incident signals. Digital RDA system have a disadventage that this system do not signal classification in multipath environment. because multipath signal is shown as vector sum of multipath signal, digital RDA system required complex signal process for multipath signal classification. In this paper, to solve these problem we propose hybrid digital RDA system which combination of the MUSIC algorithm and the digital RDA system. Proposed system has two modes. First mode is digital RDA mode. Secornd mode is digital beamforming mode. Digital RDA mode is used in situations where the less the impact of multipath. Digital beamforming mode is applied to multipath effects is greater. In secornd mode, we find optimal path using MUSIC algorithm. After than the proposed system uses only the optimal path. Through the proposed system in a multipath environment with digital RDA can be used to supplement a disadvantage.
 Keywords
Digital RDA;Digital beamforming;MUSIC algorithm;Resolution;
 Language
Korean
 Cited by
 References
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