Network-Coding-Based Broadcasting Retransmission Approach in Satellite Communications

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Abstract:

In satellite communications, it is often necessary to broadcast large data to terrestrial users. Because the satellite channel is a typical fading channel, packets can’t be correctly received. Therefore, retransmission is necessary. This paper proposes a network-coding-based broadcasting retransmission approach, whose key idea is to combine different lost packets with network coding to achieve minimum number of retransmission. Simulation results indicate that compared with existing approaches, network-coding-based broadcasting retransmission approach can effectively reduce average number of transmissions.

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Advanced Materials Research (Volumes 546-547)

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1302-1307

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July 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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