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- W1611228681 abstract "The current generation of communications satellites are located primarily in geosynchronous Earth orbit (GEO). Over the next decade, however, a new generation of communications satellites will be built and launched, designed to provide a world-wide interconnection of portable telephones. For this mission, the satellites must be positioned in lower polar and near-polar orbits. To provide complete coverage large numbers of satellites will be required. Because the required number of satellites decreases as the orbital altitude is increased, fewer satellites would be required if the orbit chosen were raised from low to intermediate orbit. However, in intermediate orbits, satellites encounter significant radiation due to trapped electrons and protons. Radiation tolerant solar cells may be necessary to make such satellites feasible. We analyze the amount of radiation encountered in low and intermediate polar orbits at altitudes of interest to next-generation communication satellites, calculate the expected degradation for silicon, GaAs, and InP solar cells, and show that the lifetimes can be significantly increased by use of advanced solar cells." @default.
- W1611228681 created "2016-06-24" @default.
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- W1611228681 date "2002-12-17" @default.
- W1611228681 modified "2023-10-16" @default.
- W1611228681 title "Use of advanced solar cells for commercial communication satellites" @default.
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- W1611228681 doi "https://doi.org/10.1109/wcpec.1994.520761" @default.
- W1611228681 hasPublicationYear "2002" @default.
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