Development of Optically Controlled Beam-Forming Network

Akira AKAISHI; Takashi TAKAHASHI; Yoshiyuki FUJINO; Mitsugu OHKAWA; Toshio ASAI; Ryutaro SUZUKI; Tomohiro AKIYAMA; Hirofumi MATSUZAWA

doi:10.1587/transcom.E95.B.3404

Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011

Development of Optically Controlled Beam-Forming Network

Akira AKAISHI, Takashi TAKAHASHI, Yoshiyuki FUJINO, Mitsugu OHKAWA, Toshio ASAI, Ryutaro SUZUKI, Tomohiro AKIYAMA, Hirofumi MATSUZAWA

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Keywords: beam-forming network, satellite antenna, optically controlled beam-forming network, multiple-beam antenna

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2012 Volume E95.B Issue 11 Pages 3404-3411

DOI https://doi.org/10.1587/transcom.E95.B.3404

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Abstract

NICT has developed a test model of an optically controlled beam-forming network (OBF) for a future multiple-beam antenna. The OBF test model consists of an electro-optic converter unit, an OBF unit, and an optoelectronic converter unit. A Ka-band OBF test model was manufactured to demonstrate the OBF. Radiation patterns obtained from the measured OBF data confirmed agreement between the expected and calculated results. Communication tests of the bit error rate (BER) for the digital communication link were performed. The results confirmed the OBF had no serious degradation below 1dB of Eb/N0 on BER performance at 1×10^-8.

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