Resources for Future Updates of JAXA New Deep Space Station

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<p>JAXA is constructing a new deep space station employing a 54 m diameter antenna for supporting missions beyond HAYABUSA2 both in X-band and Ka-band. In the design of this station, functional extensions were well considered from the beginning. We concluded that a concept based on the symmetric reserved resource allocation was suitable. In this concept, we basically keep reserved resources of every instrument for its redundancy in a symmetrical manner. We introduce this simple rule as a practical way to determine or limit our future investment. In the reserved spaces prepared in such a manner, we prove that we will be able to implement not only a redundant instrument, but also an upgraded power amplifier and a new feeding structure for lunar and liberation-point missions. It is also remarkable that those incorporation will be completed by minimizing disturbance to station operations. We also introduce how new technologies will become available within this concept. As examples, we discuss our future prospects on auto-tracking, multiple uplinks, and improvement in Ka-band operations.</p>

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