Intra-cluster Communication Method for Wireless Sensor Networks Based on Average Load and Energy Balance
A wireless sensor and energy balancing technology, applied in wireless communication, network topology, network traffic/resource management, etc., can solve the problems of fast node consumption, no consideration of node geographical location, no consideration of relay node load, etc., to achieve extended Network life, prolong life, prolong the effect of balanced load
Inactive Publication Date: 2016-01-06
XIDIAN UNIV
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Problems solved by technology
[0005] (1) When the network is large, because the LEACH algorithm adopts the intra-cluster single-hop communication method, the nodes that are far away from the cluster head node consume quickly
[0006] (2) LEACH's random cluster head election mechanism does not consider the geographical location of nodes, so it is difficult to ensure that the cluster head nodes are evenly distributed in the network
[0011] It is very important to propose a solution for the optimal transmission distance, but does not consider the load of relay nodes at different levels, and for this situation a solution based on the optimal distance of the load is given
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[0052] The present invention will be further described below in conjunction with the accompanying drawings.
[0053] Such as Figure 5 As shown, the present invention is a wireless sensor network intra-cluster communication method based on average load and energy balance, including nodes in the wireless sensor network, and a cluster composed of the several nodes, the cluster has a cluster head, the The method includes the following steps:
[0054] (1) Set up the nodes of the wireless sensor network, wherein n and dn_ are determined according to the communication radius of each cluster hop =60;
[0055] (2) Calculate the nodes in any level, compare the distance between the nodes and the cluster head node, and select relay nodes from them, wherein, when all the nodes are compared, the candidate nodes of each level Open the receiving module and close the receiving module according to the time slice to realize the conversion between the relay node and the normal node;
[0056]...
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The invention discloses a communication method in a wireless sensor network cluster based on average loading and energy balance. At present, most wireless sensor network hierarchical algorithms adopt a cluster inner single hop communication mode. But when the scale of a network is large, cluster inner member nodes can consume a great amount of energy due to a far communication distance away from a cluster head. To eliminate the phenomena of premature death of the node and unbalanced energy consumption of the relay node in the cluster caused by the fact that energy consumption of a relay node close to the cluster head is too quick due to transmitting of a great amount of data in multihop communication in the wireless sensor network cluster, a cluster inner communication scheme based on the average loading and the energy balance is provided, and a calculating method for load of relay nodes in different layers and optimal distance in each hop is provided. The communication method has the advantages of being high in efficiency and strong in pertinence and universality, is an effective hierarchical algorithm improving network performance, and can be used for setting out a wireless sensor network communication protocol.
Description
technical field [0001] The invention relates to a wireless sensor network in the technical field of communication, in particular to a method for selecting communication within a network cluster. Background technique [0002] A wireless sensor network is a network composed of a large number of wireless sensor nodes in a self-organizing and multi-hop manner. Its purpose is to perceive, collect, and send data to SINK nodes. The wireless sensor network completely adopts the distributed processing method, which has the advantages of high precision, good fault tolerance, and wide coverage area. It is widely used in military, industrial, disaster relief, and environmental monitoring. [0003] But at the same time, due to the limitations of volume and cost, wireless sensors have fatal shortcomings of limited power supply energy, limited communication energy, and limited computing and storage capabilities. Most wireless sensor nodes are driven by carrying batteries, and it is diffic...
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IPC IPC(8): H04W28/08H04W52/46H04W84/18
Inventor 王云鹤刘立芳齐小刚冯海林杨国平白家驹黄贤哲
Owner XIDIAN UNIV