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Band wireless sensor network diagnosis method

A wireless sensor and network diagnosis technology, applied in data exchange network, transmission system, digital transmission system, etc., can solve the problems of blank diagnosis method and no architecture.

Inactive Publication Date: 2008-08-20
JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At present, the research on the strip wireless sensor network is in its infancy, there is no complete architecture, and its diagnosis method is almost a blank field.

Method used

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  • Band wireless sensor network diagnosis method

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0009] The present invention assumes that each sink node in the strip sensor network knows each other's existence and has a route to reach it. After the network initialization is completed and the network topology is established, each sink node periodically sends detection packets to adjacent sink nodes. The cycle is To. When each sink node sends detection packets to its adjacent sink nodes, it Set timer Ti and timer Tin=n*Ti for this adjacent sink node, wherein n is a positive integer, and its value depends on the requirements of the system for network conditions, and the higher the requirements for network parameters such as packet loss rate, the higher n Small. When the timer Ti is triggered, the sink node sends a detection packet; when the timer Tin is triggered, it sends a sensor belt failure warning to the server. Of course Tin can be terminated...

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Abstract

The invention belongs to the technical field of testing wireless sensor network, and designs a diagnostic method for ribbon pattern sensor network aiming at the characteristic of ribbon pattern sensor network. The network diagnostic method is operated on a routing layer, diagnosing the network connectivity, node state and the characteristic of other networks by the method that adjacent sink nodes exchange network explorer packet mutually. If all explorer packets can reach segment sink node successfully, the sensing belt from the source sink node to the destination sink node is considered to work normally. If each adjacent sink node learns to be in normal work state with the adjacent sensing belt, the whole network is regarded to be communicated effectively in normal work.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor network testing. It specifically relates to a method for diagnosing network connectivity, node status and some other network characteristics in a strip wireless sensor network by exchanging network detection packets between adjacent sink nodes. Background technique [0002] The wireless sensor network is composed of sensor nodes and sink nodes. The sensor nodes are responsible for data collection and transmission. The sink nodes are data collection nodes, responsible for summarizing the data sent by sensor nodes in the network, and are also the control nodes of the entire network. Managed by sensor nodes. [0003] Wireless sensor network has developed rapidly in recent years, and all kinds of new technologies about sensor network are also paid attention to. The strip wireless sensor network plays an important role in many application scenarios with its unique topology. For example, it ha...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L12/28
Inventor 刘海涛张宝贤高雪赵壮黄奎姚郑张锋
Owner JIAXING WIRELESS SENSOR NETWORKS CENT CAS
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