NTT Verifies "Direct Spectrum Division Transmission" Technique...
TOKYO, Dec. 11, 2019 /Kyodo JBN-AsiaNet/ -- - For Efficient Use of Satellite Transponders and More Secure Communications -Nippon Telegraph and Telephone Corporation (hereinafter NTT) has developed a technique named "Direct Spectrum Division Transmission (DSDT)" that divides the spectrum...
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