Towards Zero Retransmission Overhead: A Symbol Level Network Coding Approach to Retransmission

@article{Yun2011TowardsZR,
  title={Towards Zero Retransmission Overhead: A Symbol Level Network Coding Approach to Retransmission},
  author={Sangki Yun and Hyogon Kim and Kun Tan},
  journal={IEEE Transactions on Mobile Computing},
  year={2011},
  volume={10},
  pages={1083-1095}
}
We present SYNC, a physical layer transmission scheme that drastically reduces the cost of retransmission by introducing network coding concepts to symbol level operation. It piggybacks a new packet on each retransmitted packet, and exploits the previously received packet (possibly with error) at the receiver to recover both the retransmitted packet and the piggybacked packet. The piggybacking is achieved through higher modulation, but it does not decrease the decodability of the mixed packets… CONTINUE READING
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