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Clustering routing method based on channel access heterogeneous wireless sensor network

A wireless sensor and channel access technology, applied in network topology, wireless communication, advanced technology, etc., can solve problems such as inapplicability to power heterogeneous networks

Inactive Publication Date: 2016-08-03
NANJING UNIV OF SCI & TECH
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Problems solved by technology

Therefore, the election mechanism of the LEACH algorithm is not suitable for power heterogeneous networks

Method used

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  • Clustering routing method based on channel access heterogeneous wireless sensor network
  • Clustering routing method based on channel access heterogeneous wireless sensor network
  • Clustering routing method based on channel access heterogeneous wireless sensor network

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0022] A clustering routing method for accessing heterogeneous wireless sensor networks based on channels, including sensor nodes, base station nodes, and network areas where the sensor nodes and base station nodes are located, and the communication process between the sensor nodes and base station nodes is carried out in rounds. It is carried out periodically and sequentially. The communication process is divided into the cluster establishment process and the stable oper...

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Abstract

The invention provides a clustering routing method based on a channel access heterogeneous wireless sensor network. Definition of the channel access heterogeneous wireless sensor network is given, nodes in a cluster use a CRT-UI protocol sequence communication manner, and different from a time division multiplexing communication method, the CRT-UI protocol sequence communication manner can be used to ensure all node data are sent successfully in fixed time delay on the premises that node time is not synchronized strictly. Under the condition that the nodes in the cluster use the CRT-UI protocol sequence communication manner, the number of optimal cluster heads and the optimal probability that a node serves as the cluster head are calculated according energy consumption in each round of the network. According to the invention, the energy consumption in each round of the network is minimal, the stable period of the network is prolonged, and the network throughput is improved.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to a clustering routing method for accessing heterogeneous wireless sensor networks based on channels. Background technique [0002] With the increasing rise of the Internet of Things, wireless sensor networks are widely used in military, environmental monitoring, smart home, urban transportation, space exploration and warehouse management and other fields. As a research hotspot in today's information field, wireless sensor networks involve many disciplines, and there are many key technologies to be discovered and researched. Among them, network topology control is of special significance. A good network topology structure automatically formed through topology control can greatly improve routing protocols. and the efficiency of the MAC protocol. [0003] The LEACH algorithm is a classic hierarchical clustering routing algorithm in the homogeneous wireless sensor ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/10H04W40/32
CPCH04W40/02H04W40/10H04W40/32H04W84/18Y02D30/70
Inventor 张一晋徐伟崔梦菲房玉轩周远达邹爱洁桂林卿
Owner NANJING UNIV OF SCI & TECH
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