Path selecting method in multi-channel wireless mesh network and device thereof
A technology of wireless mesh network and path selection, which is applied in the field of wireless network to achieve the effect of high throughput and low delay
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[0034] The first embodiment is a method for path selection in a multi-channel wireless mesh network, including:
[0035] Find the paths between the source node and the destination node;
[0036] For each path found, multiply the maximum interference link number in the interference range of the path by the first weight α, plus the number of hops of the path after multiplying by the second weight β, and subtract and multiply the third The number of channels that the path can increase after the weight γ, and the path selection index value of the path is obtained;
[0037] Among the paths found, the path with the smallest value of the path selection index is selected as the path between the source node and the destination node.
[0038] In this embodiment, each path found may include all or part of the path between the source node and the destination node; if it includes part of the path, some paths that will not be selected may be filtered out first, such as setting a hop count. Thresho...
Example Embodiment
[0077] The second embodiment is a path selection device in a multi-channel wireless mesh network, including:
[0078] The routing module is used to find the paths between the source node and the destination node;
[0079] A calculation module, for each path found, multiply the maximum interference link number in the interference range of the path by the first weight α, plus the number of hops of the path after multiplying by the second weight β, and then subtract The number of channels that the path can increase after multiplying by the third weight γ, to obtain the path selection index value of the path;
[0080] The selection module is used to select the path with the smallest value of the path selection index among the paths found, as the path between the source node and the destination node.
[0081] In this embodiment, the range of the first, second, and third weights may be but not limited to: 0<α<1, 0<β<1, 0<γ<1.
[0082] In this embodiment, the number of hops HC, the maximum nu...
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