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Mine roadway wireless sensor routing method and system based on multiple Sinks

A wireless sensor and coal mine roadway technology, applied in wireless communication, advanced technology, electrical components, etc., can solve problems such as the inability to balance the energy of sensor nodes to the greatest extent, the inability to guarantee nodes, and the inability to guarantee residual energy.

Inactive Publication Date: 2016-07-13
HUNAN VOCATIONAL INST OF SAFETY TECH
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AI Technical Summary

Problems solved by technology

Set the cluster radius of the fixed cluster head, so there is no guarantee that all nodes can join the cluster;
[0006] In addition, the Chinese patent with publication number 104486725A (application number: 201410782125.4) discloses a "wireless sensor network of coal mine roadway and its distributed power control method"; The optimal communication radius (wireless range) is negotiated between the head node and the sink, so as to obtain the best connectivity; the disadvantage of this method is that it does not optimize the selection of cluster heads, that is, it cannot guarantee the most remaining energy and the closest node to the sink node. The sensor node becomes the cluster head, so the energy of each sensor node cannot be balanced to the maximum extent

Method used

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  • Mine roadway wireless sensor routing method and system based on multiple Sinks
  • Mine roadway wireless sensor routing method and system based on multiple Sinks
  • Mine roadway wireless sensor routing method and system based on multiple Sinks

Examples

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Embodiment 1

[0147] Embodiment 1: A method for routing wireless sensors in coal mine roadways based on multiple Sinks, multiple Sinks and multiple Sensor nodes are arranged in the coal mine roadways, and the Sink communicates with the mining switch to form a coal mine roadway wireless sensor network. It is a converging node, and the Sensor node is a sensor node;

[0148] From multiple Sensor nodes in the signal coverage area of ​​each Sink, the final cluster head is determined according to the following method, and a communication link is formed based on the final cluster head:

[0149] Step 1: Determine candidate cluster heads;

[0150] The preset threshold T, then, each Sensor node randomly generates a random number u in the range of [0, 1], through the formula Calculate the decision parameter u 0 ;

[0151] In the formula, E 0(i) Indicates the initial energy of the i-th Sensor node, E 0(i) You can also use E 0 said, E cu(i) is the remaining energy of the current Sensor node i.e....

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Abstract

The invention discloses a mine roadway wireless sensor routing method and a system based on multiple Sinks. According to the protocol, based on a multi-Sink structure, multiple Sinks are arranged in the center of the mine roadway, the transmitting power of each Sink is adjusted, and the network coverage rate is ensured; and in addition, a non-uniform clustering idea is used inside each Sink, selection and competition for a cluster head and calculation on a non-uniform radius are optimized, and a node near a Sink node and with high energy is preferentially selected to be the cluster head. A simulation result shows that energy consumption of Sensor nodes in the coverage range of each Sink can be ensured to be uniform, the connectivity of the Sensor nodes can be effectively improved, clustering interference is reduced, the network time delay is reduced, and the network survival time is prolonged.

Description

technical field [0001] The invention relates to a multi-sink-based wireless sensor routing method and system for coal mine roadways. Background technique [0002] In order to avoid damage to the wired communication cables in coal mines in accidents, resulting in interruption of monitoring, and to meet the needs of underground mobile operations, mechanical replacement, and automation, the research on underground wireless communication technology is of great significance. [0003] The wireless sensor network (WSN) itself has the characteristics of flexible placement, easy expansion, strong mobility and self-organization, which can well adapt to the monitoring work of coal mines. Therefore, applying wireless sensors to coal mine monitoring systems has become a coal mine safety production trends. [0004] Through the research on the characteristics of coal mine roadway, it can be found that the roadway is a long chain belt structure with a long length, usually several kilometer...

Claims

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Application Information

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IPC IPC(8): H04W40/10H04W40/20H04W84/18
CPCH04W40/10H04W40/20H04W84/18Y02D30/70
Inventor 夏旭黎望怀叶群邓优林杨婉青彭元辉罗慧华
Owner HUNAN VOCATIONAL INST OF SAFETY TECH
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