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NASA is planning manned exploration missions back to the Moon and on to Mars. Space-based applications, which are required to be energy efficient for these missions - may have to operate in environments with intermittent connectivity, long latencies, and possibly with relay nodes. This paper overviews protocol stacks from IEEE, IETF, and CCSDS appropriate for these missions
On-going development of Ka-band capability for the deep space networks (DSN) will radically increase the bandwidth available to support advanced mission concepts envisioned for future robotic as well as human exploration of Mars and beyond. While Ka-band links can operate at much higher data rate than X-band, they are much more susceptible to fluctuating weather conditions and manifest a significant...
We consider the scheduling of transmissions from an energy limited Mars lander to a Mars orbiter. Typically, the channel quality of the Mars proximity links is time-varying due to orbital dynamics, multi-path effects and the antenna positioning on the lander. Since the channel state determines the throughput obtained per unit of energy transmitted, it is desirable to select when, and at what data...
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