Direction of Satcom R&D in Japan: WINDS, ETS-IX, and beyond [International Communications Satellite Systems Conference]

N Kadowaki - 2019 - IET
Advance satellite communications technology has been achieved through Wideband
InterNetworking engineering test Satellite (WINDS) and Engineering Test Satellite 9 (ETS …

Development of Ka-band digital beam forming antenna payload for the engineering test satellite-9 [International Communications Satellite Systems Conference]

E Sakai, Y Inasawa, M Kusano, H Ono, A Kanasash… - 2019 - IET
The R&D project entitled “Research and Development of Ka-band Wideband Digital Beam
Forming for Efficient Frequency Use” has been started since July 2017. The goal of this R&D …

The initial study of calibrating receiving digital beam forming in engineering test satellite-9

H Ono, E Sakai, Y Inasawa, M Kusano… - … . Proceedings of the …, 2019 - ieeexplore.ieee.org
In realizing geostationary high throughput satellite (HTS), building flexible beam adapting to
change of communication traffic is needed. Digital beam forming (DBF) has advantages of …