A Complex Task Allocation Method for Overlapping Cluster-Oriented Wireless Sensor Networks
A wireless sensor and complex task technology, applied in network topology, wireless communication, network traffic/resource management, etc., can solve problems affecting network survival time and consuming large energy, so as to reduce energy consumption and time consumption, and broaden The effect of applying the foreground
Active Publication Date: 2020-01-03
YANGZHOU UNIV
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On the other hand, the existing methods mainly consider searching nodes in the entire sensor network to complete the task. However, the sensor network is usually large in scale and has many nodes. If the nodes undertaking the task are scattered, the interaction between them will consume a lot of energy. , which will seriously affect the lifetime of the entire network
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[0028] The technical solutions in the examples of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the examples of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.
[0029] The technical idea of the present invention is:
[0030] This paper proposes a complex task allocation method for overlapping clustering wireless sensor networks. Since each sensor node can only perceive and collect one type of information, and the complex task is composed of multiple types of information requests, it is necessary to decompose the complex task according to the type of the requested information, and each of the results obtained after d...
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The invention relates to a complex task allocation method for overlapping cluster-oriented wireless sensor networks. The present invention clusters the entire wireless sensor network according to the physical location of each sensor node. The base station receives complex tasks to be completed from the outside, and then decomposes the complex tasks. After the complex tasks are decomposed, the base station allocates them, and the task allocation ends. Finally, the nodes assigned to the task start to execute the task, and after the complex task is successfully completed, the base station updates the parameters of the nodes in the network. The invention overcomes the defect that the sensor network usually has a large scale and many nodes, and the interaction needs to consume a lot of energy, which affects the survival time of the network. The sensor nodes in a single cluster of the present invention can successfully assign tasks, so the nodes can cooperate through a shorter communication distance, reducing energy consumption and time consumption.
Description
Technical field [0001] The present invention relates to the technical field of wireless sensor networks, in particular to a complex task allocation method for overlapping clustering wireless sensor networks. Background technique [0002] A wireless sensor network is a network formed by self-organizing micro-nodes with sensing, processing and wireless communication capabilities. Its purpose is to cooperatively perceive, collect and process the information of sensing objects in the geographical area covered by the network, and release it to observers. Because the energy and resources of a single sensor node are very limited, it is difficult to complete complex tasks, so it is indispensable for multiple nodes in the network to complete tasks through cooperation. Therefore, task allocation has become an important and basic problem in sensor networks. Through the reasonable allocation of tasks, it can not only ensure that the tasks are efficiently completed, but also can effectively...
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IPC IPC(8): H04W28/02H04W28/08H04W40/02H04W40/20H04W84/18
CPCH04W28/0215H04W28/0221H04W28/08H04W40/02H04W40/20H04W84/18Y02D30/70
Inventor 尹翔戴维超常丽萍李斌
Owner YANGZHOU UNIV