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Data communication method of wireless sensor network

A wireless sensor and data communication technology, applied in the field of data communication, can solve problems such as shortening the network lifetime, clusters cannot work normally, and uneven energy consumption of nodes, and achieves the effect of avoiding excessive consumption, balancing energy consumption, and reducing tasks

Inactive Publication Date: 2010-08-18
XIDIAN UNIV +1
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  • Application Information

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Problems solved by technology

[0011] The purpose of the present invention is to solve the problem that the cluster head in the existing routing protocol tends to become a network bottleneck, causing the cluster to fail to work normally, resulting in uneven energy consumption of nodes, and thus shortening the network lifetime.

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  • Data communication method of wireless sensor network
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  • Data communication method of wireless sensor network

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Embodiment Construction

[0029] In conjunction with the above-mentioned accompanying drawings, the specific implementation of the wireless sensor network data communication method of the present invention includes the following parts:

[0030] 1. Design of network routing mechanism

[0031] Such as figure 2As shown, the network is divided into multiple overlapping clusters Cluster A, Cluster B, and Cluster C. There are ordinary nodes in the network such as: A2, A3, B2, C2; cluster head nodes such as: A1, B1, C1; gateway nodes in adjacent cluster overlapping areas such as: G1, G2: and base station nodes BS. After the cluster head node receives the transmission request sent by the ordinary nodes in the cluster, it is responsible for searching the data transmission path. Ordinary nodes perform the task of detecting events, report to the cluster head node when the event occurs, and transmit data along the path after the cluster head node finds a suitable routing path. The gateway nodes in the overlapp...

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Abstract

The invention discloses a data communication method of a wireless sensor network, which can solve the problems of the traditional cluster routing protocol that the energy consumption of the cluster head is high, and the network bottleneck can be easily formed, thereby making the energy consumption of nodes uneven and shortening the network lifetime. The data communication method comprises the following steps: providing a wireless sensor network topology; designing a method for establishing clusters in a network clustering process; defining gateway nodes used for receiving and transmitting data between adjacent clusters; designing a data transmission routing process, wherein a cluster head node is only responsible for finding a data transmission path, and actual data are transmitted along the found path through the gateway nodes, thereby realizing the separation of path finding and data transmission and reducing the load of the cluster head node; and designing an in-cluster routing method used for transmitting the data to a designated gateway node. The data communication method designed in the invention can effectively reduce the energy consumption, balance the network load, and prolong the lifetime of the network. Therefore, the data communication method is applicable to large-scale wireless sensor networks.

Description

technical field [0001] The invention relates to the technical field of wireless network communication, in particular to a data communication method in a wireless sensor network, which is used to solve the problem that the energy consumption of the cluster head in the traditional cluster routing protocol is large, and it is easy to become a network bottleneck, which leads to uneven energy consumption of nodes. The problem of network lifetime shortening. Background technique [0002] Wireless Sensor Networks (Wireless Sensor Networks) is currently a frontier hot research field that is attracting much attention internationally, involving a high degree of cross-discipline and highly integrated knowledge. It integrates micro-electro-mechanical systems, sensor technology, embedded computing technology, modern network and wireless communication technology, distributed information processing technology, etc., and can monitor, perceive and collect various environments or environments...

Claims

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Application Information

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IPC IPC(8): H04W40/02
CPCY02B60/50Y02D30/70
Inventor 沈玉龙马建峰徐启建冯海林高飞裴庆琪尹浩吴作顺张志为习宁陈寅康亚博
Owner XIDIAN UNIV
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