Clustering routing method based on cognitive wireless sensor network

A sensor network and cognitive wireless technology, applied in the field of cluster routing based on cognitive wireless sensor network, can solve the problems of extremely unbalanced use of licensed and unlicensed spectrum, severe use of spectrum resources, etc., and prolong the network monitoring period. , the effect of improving spectrum utilization, improving spectrum utilization and energy efficiency

Active Publication Date: 2020-04-07
SOUTH CHINA AGRI UNIV
View PDF5 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional "static compartmentalization" strategy makes the use of licensed and unlicens...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Clustering routing method based on cognitive wireless sensor network
  • Clustering routing method based on cognitive wireless sensor network
  • Clustering routing method based on cognitive wireless sensor network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] The embodiments of the present invention will be described in detail below with reference to the examples and drawings, but the embodiments of the present invention are not limited thereto.

[0035] The present invention studies the CRSN clustering routing oriented to a single-layer network structure. The biggest difference between it and the double-layer network structure is that the CRSN node not only has the function of data collection, but also needs to take on the role of forwarding data of other nodes. The CH, CM and gateway nodes in the network are essentially the same CRSN node, but they play different roles in the process of collecting and forwarding data. The present invention adopts the clustering mechanism of spectrum self-adaptive change and adopts the energy consumption balancing strategy in order to prolong the life cycle, specifically as follows:

[0036] 1. Establish a monitoring model and evaluation index based on cognitive wireless sensor network

[...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a wireless communication technology, provides a clustering routing method based on a cognitive wireless sensor network, and the clustering routing method comprises the following steps: dynamic spectrum sensing clustering: clustering nodes in the range of the cognitive wireless sensor network by adopting a hierarchical clustering algorithm in combination with available channels and distances among the nodes obtained by spectrum sensing, and constructing a clustering topological structure; triggering data routing by an event, and forwarding the data triggered by each region of the cognitive wireless sensor network to a sink node in an intra-cluster sink and inter-cluster relay alternate iteration mode according to the constructed clustering topological structure; andadaptive re-clustering based on frequency spectrum change and communication service quality: triggering the cognitive wireless sensor network to perform adaptive re-clustering based on available channel change caused by PU behavior change of a main user or interference of poor clustering effect on the communication service quality. According to the invention, the spectrum utilization rate and theenergy efficiency of the network can be effectively improved while the network monitoring period is prolonged.

Description

technical field [0001] The invention relates to wireless communication technology, in particular to a clustering routing method based on a cognitive wireless sensor network. Background technique [0002] With the rapid upgrading of mobile wireless communication technology, the devices connected to the network are increasing at a massive rate. The traditional "static compartmentalization" strategy makes the use of licensed and unlicensed spectrum extremely unbalanced, and the use of spectrum resources is becoming increasingly severe. The advent of cognitive radio (Cognitive Radio, CR) provides a new idea for solving the overcrowded ISM (Industrial, Scientific and Medical) unlicensed frequency band. [0003] At the same time, with the development of Wireless Sensor Networks (WSN) in recent decades, it is playing an increasingly important role in the fields of environmental monitoring and perception. In order to cope with the challenge of scarce spectrum resources, traditiona...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H04W40/10H04W40/08
CPCH04W40/08H04W40/10Y02D30/70
Inventor 韩宇星汪进鸿王乐乐
Owner SOUTH CHINA AGRI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap