Japan, March 19 -- NEC Corporation will develop a small technology demonstration satellite to conduct in-orbit verification of key technologies essential for realizing future optical communication satellite constellations, including optical communications, high-speed network routing design, and high-capacity millimeter-wave band communications. The design of the satellite-mounted equipment (payload) for this demonstration has now been completed. Moving forward, the payload will be manufactured and integrated into the satellite bus, the common functional component of the satellite, which is scheduled for launch into Earth's orbit in fiscal year 2027.In satellite constellations where numerous satellites collaborate and function together, opti...