Path selection criteria for multi-path routing in wireless ad-hoc network

Multi-path routing has a potential to increase data rate of wireless ad-hoc network by aggregating capacity of individual paths. However such paths are subject to inter-path interference. To minimize degradation of the network capacity caused by interference one or another path selection criteria can be used. We propose criteria on how to choose the best paths depending on network conditions. MATLAB model with modified SMR routing algorithm has been developed to discover high number of path sets. The model was used to investigate whether shortest path node-disjoint paths should be preferred instead of spatially disjoint paths. It is shown that the set of shortest paths is preferable for smaller distance between source and destination providing data rate improvement up to 20%.