Femtocell network spectrum distributing method based on tabu search
A spectrum allocation and taboo search technology, applied in the field of spectrum allocation of femtocell networks, can solve the problems of low utilization rate of spectrum resources and poor spectrum allocation effect, so as to improve spectrum utilization rate, reduce time complexity and save spectrum resources. Effect
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[0025] Refer to attached figure 1 , the specific implementation steps of the present invention are described as follows:
[0026] step 1. The femtocells in the non-interference-sensitive area in the mixed macrocell and femtocell network are represented by nodes, and the nodes corresponding to the interfering femtocells are connected by edges to obtain the interference graph H.
[0027] In the embodiment of the present invention, a specific femtocell network in a non-interference-sensitive area in a hybrid network of macro cells and femtocells is selected for spectrum allocation. Femtocells are represented by nodes, which are denoted as 1, 2, ..., 11, and connected by edges Nodes 1 and 2, 1 and 4, 1 and 7, 1 and 9, 2 and 3, 2 and 6, 2 and 8, 3 and 5, 3 and 7, 3 and 10, 4 and 5, 4 and 6, 4 and 10, 5 and 8, 5 and 9, 6 and 11, 7 and 11, 8 and 11, 9 and 11, 10 and 11, draw the interference diagram, such as figure 2 shown.
[0028] Step 2. Randomly divide all nodes in the inte...
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