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TOKYO, Nov 2, 2022 - (JCN Newswire) - The NTT Corporation, NTT DOCOMO, INC, and NTT Communications Corporation performed a joint experiment on achieving broadband wireless communication, and we succeeded at 1-Mbps/300-m underwater transmission in a shallow sea area (water depth of about 30 m) using underwater acoustic communication(1) in field experiments.Fig. 1 Diagram of field experimentsFig. 2 Positioning of...

Nation ranks top in 8 fields of science By ZHANG ZHIHAO | China Daily | Updated: 2020-12-30 08:46 Share CLOSE An attendee looks at a model of a Beidou Navigation Satellite at an expo in Shenyang, Liaoning province, in September. HUANG JINKUN/FOR CHINA DAILY China was the world's top producer of high-quality papers in eight scientific fields last year, but remained second to the United States in the number of papers in leading science journals, a report published on Tuesday said. The eight fields were engineering technology, chemistry,...