Advanced demonstration plans of high-speed laser communication "HICALI" mission onboard the engineering test satellite 9
The National Institute of Information and Communications Technology (NICT) in Japan has over 20 years of experience in R&D of space-ground laser communications with missions. We are currently developing a laser communication terminal named “HICALI” (HIgh-speed Communication with Advanced Laser Instrument), aiming to achieve 10 Gbps-class space communications with a 1.5 μm-band laser beam between optical ground stations (OGSs) and the next-generation high-throughput satellite called ETS-9 with a hybrid onboard communication system using radio and optical frequencies, which will be launched into the geostationary orbit in 2021. Moreover, we have studied laser communication terminals for terrestrial networks, as an alternative wireless system to radio frequency (RF) band. The development of a test and breadboard model for HICALI has been conducted for several years and we are now carrying out an engineering model as well as designing the OGSs segment. In this chapter, we describe the current development status and advanced demonstration plans of the “HICALI” mission with ETS-9.
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