Possible communication scheme for closely-spaced multi-spacecraft missions

Details Possible communication scheme for closely-spaced multi-spacecraft missions Possible communication scheme for closely-spaced multi-spacecraft missions

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....13596d&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #13596

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Scientific paper

The progress in space instrumentation causes the rising number of the instrument modes, adjustments and other features. The work of the different instrument groups (field, wave, particle complexes) needs in more precise coordination. Furthermore, several spacecraft carry out the measurements simultaneously. All of that requires new approaches for the s/c control and data synchronization. The positive experience of the use of on-board program libraries correlated with different magnetospheric domains crossing prediction applied in INTERBALL project is analyzed. For the case of satellite-several subsatellites the original communication scheme is suggested. Taking into account strict weight and energy limitations it is difficult to establish a direct high bitrate subsatellite-graundstation radio-link. However such a radio-link seems possible for subsatellite-satellite due to the much shorter distance and therefore less power needed. The advantage of the use of main satellite as a communication mediator between a graundstation and subsatellites is considered. The scheme can be useful for multi-spacecraft planetary and deep space missions. The work is supported by INTAS 2000-465.

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