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Network coding techniques are usually applied upon network-layer protocols to improve throughput in wireless networks. In scenarios with multiple unicast sessions, fairness is also an important factor. Therefore, a network coding-aware packet-scheduling algorithm is required. A packet-scheduling algorithm determines which packet to send next from a...
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Context 1
... extreme case of Q = 1 is in essence a naive "all-or-none" algorithm. From Figure 6 we observe that: (1) our algorithm performs significantly better than the naive solution; and (2) a Q value greater than five can give good-enough performance (with empirical errors smaller than 5%). The values in Figure 6 are obtained by running the baseline scenario 50 times. ...
Context 2
... Figure 6 we observe that: (1) our algorithm performs significantly better than the naive solution; and (2) a Q value greater than five can give good-enough performance (with empirical errors smaller than 5%). The values in Figure 6 are obtained by running the baseline scenario 50 times. Both the error rate and the average error are presented in the figure. ...
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Citations
Wireless content distribution is an important application of Peer-to-peer (P2P) techniques. With powerful tools like network coding on hand, it is possible to improve the performance of such content distributions. In this paper, we have proposed a cross-layer solution that seamlessly fuses routing information and P2P strategies. Basing peer-selection algorithms on a routing metric, we can select the best performing peers. Using routing layer's feedback to adjust offered load, the coding benefits can be maximized as well. The synergy between wireless P2P and network coding techniques is evaluated, justifying our cross-layer protocol stack.
