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The backbone satellites relaying for space information networks (SINs) is regarded as an effective way to enhance the throughput as well as the communication-time-window of satellite communications. The performance of SINs downlink cooperative communications via an amplify-and-forward (AF) backbone satellite relaying is investigated in this paper, where we assume both of the source-destination and...
In spatial information networks (SIN), communication links are suffered by periodic time-varying channel noise because of the periodic motion orbit of the space nodes and planets. Moveover, SIN communications may have a probability to fail at random times, such as severe rain attenuation on Ka-band downlinks, or solar scintillation during the superior/inferior solar conjunction. In this paper, we...
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