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Non-uniform clustering routing method suitable for subway tunnel

A non-uniform clustering and tunneling technology, applied in advanced technology, electrical components, climate sustainability, etc., can solve problems such as unsuitable tunnel structure monitoring applications, and achieve the effect of big data forwarding pressure and balanced energy consumption

Inactive Publication Date: 2014-11-05
TONGJI UNIV
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Problems solved by technology

[0005] However, none of the existing wireless sensor network protocols are suitable for tunnel structure monitoring applications.

Method used

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  • Non-uniform clustering routing method suitable for subway tunnel
  • Non-uniform clustering routing method suitable for subway tunnel
  • Non-uniform clustering routing method suitable for subway tunnel

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Embodiment Construction

[0060] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0061] A non-uniform clustering routing method (called LEQUC) applicable to subway tunnels, the method specifically includes:

[0062] Steps for establishing a three-dimensional space model of a tunnel;

[0063] Network initialization steps based on fixed nodes;

[0064] Cluster formation steps based on node residual energy and node position;

[0065] The inter-cluster multi-hop route establishment step based on network quality of service QoS, node remaining energy and node position, said network quality of service QoS includes link bit error rate.

[0066] LEQUC is mainly based on...

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Abstract

The invention relates to a non-uniform clustering routing method suitable for a subway tunnel. The method is applied to aggregation nodes and sensor nodes arranged on the inner wall of the subway tunnel. The method specifically comprises the following steps: establishing a tunnel three-dimensional space model; performing network initialization based on fixed nodes; performing clustering formation based on node remaining energy and node positions; and establishing inter-cluster multi-hop routing based on network quality of service (QoS), the node remaining energy and the node positions. Compared with the prior art, the non-uniform clustering routing method has the advantages that non-uniform clustering is finished by adopting a cluster head competition algorithm based on the node remaining energy and a cluster radius, and a cluster structure, the node remaining energy and a link bit error rate are considered comprehensively so as to optimize a multi-hop path in a super-long line.

Description

technical field [0001] The invention relates to a wireless network routing method, in particular to a non-uniform clustering routing method suitable for subway tunnels. Background technique [0002] In the tunnel structure monitoring application, the position of the sensor nodes is determined by the monitoring task, and they are arranged on the inner ring wall of the long linear tunnel. These have directly affected the topological structure of the wireless sensor network, making it have the characteristics of long line and distributed. [0003] The low-energy adaptive clustering routing algorithm LEACH (Low-Energy Adaptive Clustering Hierarchy) proposed by Heinzelman W R of the Massachusetts Institute of Technology is the basis of most subsequent clustering routing algorithms. The LEACH algorithm introduces the concept of "round", and each round includes an initialization phase and a stable transmission phase. In the initialization stage, a cluster head is randomly formed,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/10H04W40/20
CPCY02D30/70
Inventor 何斌李刚
Owner TONGJI UNIV
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