Graph-Based Hyperheuristic Spectrum Allocation Method for Cellular Networks
A spectrum allocation, cellular network technology, applied in the field of wireless communication networks, to achieve the effect of improving utilization and improving search results
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[0034] For the specific implementation steps of the present invention, refer to figure 1 Described as follows:
[0035] Step 1. Represent the interference matrix of the cellular network as a weighted graph G=(V,E,W), where V is the set of nodes, V={1,2,...,N}, where N is the set of nodes in the cellular network The number of cells, E is the set of edges, and W is the set of weights on the edges.
[0036] This embodiment mainly performs spectrum allocation for a specific cellular network, and the interference matrix of the cellular network is: The weighted graph G mapped by the interference matrix is as follows figure 2 shown. figure 2 The 4 nodes in each represent 4 different cells in the cellular network, namely N=4, V={1, 2, 3, 4}; the two nodes connected by each edge indicate that the two cells have interference constraints , corresponding to the position where the element in the interference matrix is not zero, that is, E={e 12 ,e 24 ,e 34 +; The weight on th...
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