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Development of Optically Controlled Beam-Forming Network
Akira AKAISHI Takashi TAKAHASHI Yoshiyuki FUJINO Mitsugu OHKAWA Toshio ASAI Ryutaro SUZUKI Tomohiro AKIYAMA Hirofumi MATSUZAWA
IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Satellite Communication Technologies in Conjunction with Main Topics of JC-SAT2011)
beam-forming network, satellite antenna, optically controlled beam-forming network, multiple-beam antenna,
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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 1 dB of Eb/N0 on BER performance at 110-8.