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Energy-consumption-based routing optimization algorithm for wireless sensor network

A wireless sensor, energy consumption technology, applied in network topology, wireless communication, energy consumption reduction and other directions, can solve the problems of increasing energy consumption, less data fusion, fast energy consumption, etc., to reduce energy consumption, widely applicable, extend the Lifecycle Effects

Inactive Publication Date: 2012-11-28
NORTHEAST DIANLI UNIVERSITY
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Problems solved by technology

[0006] (2) The election of the cluster head is generated with equal probability, without taking into account the difference in energy between different nodes
[0007] (3) The transmission distance of LEACH is relatively long, and the data fusion is relatively small, which requires the transmission of more data to a longer distance, thereby increasing energy consumption
Some cluster head nodes far away from the base station consume energy faster, which will affect the coverage and lifetime of the network

Method used

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  • Energy-consumption-based routing optimization algorithm for wireless sensor network
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Embodiment Construction

[0023] The present invention will be further described below using the drawings and specific embodiments.

[0024] refer to figure 1 , a wireless sensor network routing optimization algorithm based on energy consumption of the present invention, according to the following steps, when a new round starts, it is judged whether node i has been a cluster head node, if so, the node becomes an ordinary node, If not done, query the remaining energy of node i, calculate the average remaining energy of the network, calculate the energy consumption speed of node i, and calculate the average energy consumption speed of the network, according to the remaining energy of node i, the average remaining energy of the network, node i The energy consumption speed of the network and the average energy consumption speed of the network determine the threshold T(i), generate a random number greater than 0 and less than 1, and judge whether the random number is greater than the threshold T(i), if yes,...

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Abstract

The invention discloses an energy-consumption-based routing optimization algorithm for a wireless sensor network. The algorithm is characterized in that the number of optimized cluster head nodes is selected, and an optimal node is selected as a cluster head, so that the quality of the network is improved, the energy consumption of the network is lowered, and the life cycle of the network is prolonged; and the number of the cluster head nodes is selected according to energy consumed by the transmission of data, energy consumed by the reception of the data, energy consumed by the cluster head nodes and energy consumed by the transmission of an ADV message, the optimal node is selected as the cluster head according to the residual energy of the nodes, the average residual energy of the network, the energy consumption of the last round of the nodes and the average energy consumption of the last round of the network. The distribution of the cluster head nodes is balanced to a certain extent, the energy consumption of the nodes can be effectively lowered, the life cycle of the network can be prolonged, and the algorithm is widely applicable to the wireless sensor network.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, and relates to a routing optimization algorithm for wireless sensor networks based on energy consumption. Background technique [0002] Routing protocols for wireless sensor networks are divided into flat routing protocols and clustering routing protocols. The characteristics of the planar routing protocol are that the algorithm is simple, easy to implement, and the nodes are equal. In principle, there is no bottleneck, and the robustness is good. However, it generally needs to sacrifice storage space to maintain a large number of routing tables, and also requires control information to maintain routing. Moreover, the scalability is poor, which greatly increases the communication burden, causes information redundancy and congestion, causes large energy loss and long delay, and is not suitable for the application of large-scale sensor networks. The basic idea of ​​cluster routing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W40/10H04W84/18H04L12/56
CPCY02B60/50Y02D30/70
Inventor 李建坡陈晓娟曲朝阳邬春明赵立权王青竹朱绪宁
Owner NORTHEAST DIANLI UNIVERSITY
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