Integration, testing and in orbit validation of Ka-band communication payload of COMS

COMS (Communication, Ocean and Meteorological Satellite) named Chunrian is aimed to develop domestic space proven technology of Ka-band switching transponder and multi-beam antenna technologies, and to exploit advanced multimedia communication services. This paper is purposed to study development design, manufacturing and test technology of Ka-band payload system, and to verify outstanding technology level through ETRI project.