PROJECT TITLE :

Does Network Coding Combined With Interference Cancellation Bring Any Gain to a Wireless Network?

ABSTRACT:

We tend to investigate the achievable performance gain that network coding (NC) when combined with successive interference cancellation (SIC) brings to a multihop wireless network. Whereas SIC enables concurrent receptions from multiple transmitters, NC reduces the transmission time-slot overhead, and every of those techniques has shown independently great advantages in improving the network performance. We have a tendency to present a cross-layer formulation for the joint routing and scheduling drawback in a wireless network with NC (with opportunistic listening) and SIC capabilities. We have a tendency to use the realistic signal-to-interference-and-noise ratio (SINR) interference model. To resolve this combinatorially complicated nonlinear drawback, we have a tendency to decompose it (using column generation) to two linear subproblems-namely opportunistic NC aware routing and scheduling subproblems. Our scheduling subproblem consists of activating noninterfering NC components, instead of links, that do not interfere with each alternative and will be used to route the traffic. We tend to more extend our style to consider a multirate multihop wireless network with interference cancellation capabilities. We use numerical analysis to present the achieved performance gain and compare our work to a few alternative models: a base model with no NC and SIC, a model with solely NC, and a model with only SIC capabilities. The numerical results show that our proposed technique (both with and without variable transmission rate choice) achieves performance gains that range between moderate and significant for the varied thought of situations. Such improvements are attributed to the joint capabilities of SIC and NC in effectively controlling the interference and improving the spatial reuse.


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