A Method for Evaluation of Channel Allocation Performance in Wireless Mesh Networks
A channel allocation and evaluation method technology, applied in the field of communication, can solve problems such as accuracy degradation, channel allocation performance errors, ignoring the spatial characteristics of channel allocation schemes, etc., and achieve the effect of high algorithm complexity
Active Publication Date: 2019-08-06
陕西尚品信息科技有限公司
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However, it ignores the spatial characteristics of these channel allocation schemes, that is, if the number of links in the channel of the two channel allocation schemes is inferred to be the same, then the two channel allocation schemes are considered to have the same level of performance, even if the two Channel allocation schemes vary in the distribution of spatial connections in the network
This can lead to erroneous predictions and comparisons of channel allocation performance
[0005] In summary, there will be a relatively large gap between the interference prediction of channel allocation performance from approximate estimation or from a single statistical dimension and the actual data, resulting in a decrease in overall accuracy
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[0041] In order to make the object, technical solution and advantages of the present invention clearer, the solutions and effects of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0042] There are n nodes in a multi-radio multi-channel wireless Mesh network, and each node has a random number of identical radio devices. When the radio devices on two nodes communicate through wireless links, interference will occur. Among n nodes, two-to-two node communication will exist communication possibility.
[0043] o 1 , O 2 For any two nodes, starting from the source node O 1 to the destination node O 2 There are M links in total, among which X (X1 , O 2 The X links between which are interfered by other nodes in the network are defined as the basic entity XLS of interference estimation between two nodes. In a multi-radio multi-channel wireless Mesh network, there are Basic Entities for Interference Estimation ...
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The invention discloses an evaluation method for channel distribution performance in a wireless Mesh network. The realization scheme comprises the steps of determining a channel set on each node in the network and an adjacent node of the node; obtaining a corresponding relationship between links and channels according to all possible wireless links between the two nodes and determining all possible channel distribution combinations between the two nodes; evaluating the channel distribution performance of the two nodes through utilization of an anti-interference weight between the two nodes and accumulating the values of the anti-interference weights among all nodes, thereby evaluating the channel distribution performance of the whole wireless Mesh network. According to the statistics and space combined novel evaluation method provided by the invention, the channel distribution performance of the network is evaluated more reliably and the method is applicable to the wireless Mesh network.
Description
technical field [0001] The invention belongs to the technical field of communication, in particular to a method for evaluating channel allocation performance in a wireless Mesh network. Background technique [0002] Wireless Mesh network is a new type of broadband wireless network structure, which has the advantages of convenient and quick deployment, low initial construction cost, wide coverage, and good scalability. Most traditional WMNs adopt single-radio-single-channel configuration, but their network capacity and frequency band utilization will decrease as the number of nodes increases. The use of multi-radio multi-channel MRMC technology can significantly reduce interference, improve network capacity and frequency band utilization, so multi-radio multi-channel wireless Mesh networks have been widely used. [0003] Channel allocation is an important content of wireless resource management, and it has always been a research hotspot in MRMC WMNs. The main purpose of the...
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IPC IPC(8): H04W24/02
CPCH04W24/02
Inventor 王红朱洁王艳
Owner 陕西尚品信息科技有限公司