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SYSTEM AND METHOD FOR PROVIDING CONTINUOUS COMMUNICATIONS ACCESS TO SATELLITES IN GEOCENTRIC, NON-GEOSYNCHRONOUS ORBITS
专利权人:
Kepler Communications Inc.
发明人:
CHONG Wen Cheng,MITRY MIna
申请号:
US201615258528
公开号:
US2017070939(A1)
申请日:
2016.09.07
申请国别(地区):
美国
年份:
2017
代理人:
摘要:
A system including a constellation of satellites in Low Earth Orbit and a plurality of ground stations to enable continuous communication for other geocentric, non-geosynchronous spacecraft. Network latency, Doppler effects, and router handover time are minimized through selection of orbital parameters for the satellite constellation and locations of ground stations. A plurality of polar or near polar orbit planes is presented at equally spaced right ascension of the ascending node (RAAN), in an alternative ascending-descending pattern. Inter-satellite communication is performed in-plane to relay data to a ground station, and out-of-plane or in-plane to communicate with another satellite that is not a member of the constellation. The number and location of ground stations is selected based on the number of small satellites and orbital planes in order to maintain continuous communications. The system can enable continuous communication for geocentric satellites without the need for line-of-sight access to a gr
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