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Multipath routing protocol based on non-uniform clustering in WBAN

A non-uniform clustering and routing protocol technology, applied in the field of communication, can solve the problem of poor reliability of single-path routing, and achieve the effect of timely transmission, avoiding delay, and ensuring reliable transmission

Active Publication Date: 2020-08-18
HENAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a multi-path routing protocol based on non-uniform clustering in WBAN, and solve the problem of poor reliability of single-path routing in WBAN

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  • Multipath routing protocol based on non-uniform clustering in WBAN
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  • Multipath routing protocol based on non-uniform clustering in WBAN

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Embodiment Construction

[0044] The specific implementation manners (embodiments) of the present invention will be described below in conjunction with the accompanying drawings, so that those skilled in the art can better understand the present invention.

[0045] The network model of the present invention adopts a multi-hop tree topology, assuming that the network is composed of N sensor nodes with different functions and one sink node, distributed non-uniformly in a 2m×2m site, to simulate the application scene of WBAN. Network model such as figure 1 As shown, in addition, the following assumptions are made for the nodes in the network:

[0046] 1. After the node is placed, the position remains unchanged, the initial energy is equal, and it has simple information processing capabilities. Only the cluster head node is allowed to use data fusion technology;

[0047] 2. The node can calculate the distance from the source node according to the size of the received signal strength (RSSI), and can control ...

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Abstract

The invention discloses a multipath routing protocol based on non-uniform clustering in a WBAN, relates to the technical field of communication, designs multipath routing on the basis of non-uniform clustering, and classifies data by considering the isomerism characteristic of WBAN data. When the cluster head node needs to transmit the same type of data, the optimal transmission path is preferentially selected, and if the optimal path fails, the optimal path is switched to a suboptimal path; and when the cluster head node needs to transmit different types of data, a parallel transmission modeis adopted, the data with high priority are preferentially transmitted on the optimal path, and the data with low priority are simultaneously transmitted on the suboptimal path. The method has the advantages that the reliability of data transmission is improved, more nodes can be used for participating in a data forwarding task in a multipath transmission mode, network energy consumption is balanced, and the service life of the network is prolonged.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a multi-path routing protocol based on non-uniform clustering in WBAN. Background technique [0002] WBAN is a small network centered on data. Reliable and high-quality data transmission is the fundamental goal of network design. However, the current routing protocols generally select an optimal path to complete the data transmission through some method. If the optimal path fails, it is necessary to restart the routing discovery and plan a new path through retransmission to ensure data transmission. Reliable transmission. Ensuring the reliability of data transmission through data retransmission will not only cause additional energy consumption, but also cause a large delay. [0003] Another commonly used method to solve the problem of data transmission reliability is multi-path routing. This routing method effectively improves the reliability of data transmiss...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/10H04W40/24H04W40/32H04W40/20
CPCH04W40/10H04W40/246H04W40/32H04W40/20Y02D30/70
Inventor 郑国强曲雅婷白薇薇王欣彤郝娇杰郑奕薇傅江涛沈森张高远吴红海冀保峰马华红
Owner HENAN UNIV OF SCI & TECH
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