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Design of Beamforming Scheme Using Single RF Chain Based on SPA Antenna
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 Title & Authors
Design of Beamforming Scheme Using Single RF Chain Based on SPA Antenna
Song, Jae-Su; Seo, Seok; Kim, Hyung-jin; Cho, Seong-chul; Oh, Jung-hoon;
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In this paper, we design and implement SPA (Switched Parasitic Antenna) antenna which can control its beampattern using multiple parasitic elements. By applying SPA antenna to wireless communication system and implementing beamforming scheme, we show that SPA antenna can be used to improve the performance of wireless communication systems. SPA antenna consists of a single active antenna and multiple parasitic elements around the active one, and can control its beampattern by switching the parasitic elements. Using this characteristic of the SPA antenna, it is possible to impelemtent beamforming technique with single RF chain, which enables to design low cost, low complexity and low power wireless communication systems. In order to verify the beamforming gain, we measure and analyze the system level performance, such as SNR, PER, and throughput.
SPA;Parastic;Beamforming;Single RF chain;
 Cited by
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