Wireless sensor network locating method

A wireless sensor, network positioning technology, applied in satellite radio beacon positioning system, positioning, network topology and other directions, can solve problems such as manual layout, and achieve the effect of improving positioning accuracy, simplifying positioning methods, and high accuracy

Active Publication Date: 2008-12-03
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Technical solution: The present invention redesigns the beacon node in the wireless sensor network, so that it has a GPS module for obtaining longitude and latitude, and the beacon node can also calculate the unknown distance within the surrounding range of the beacon node through the strength

Method used

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Examples

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Example Embodiment

[0034] The wireless sensor beacon node device includes a beacon node 1 and a normal node 2. The beacon node 1 includes a first processor module 11, a GPS positioning module 12, a wireless communication module 13 and a monitoring module 14 to provide a power supply module 15; Including a second processor module 21, a sensor module 22, a wireless communication module 23, a monitoring module 24, and a power supply module 25; a group of beacon nodes 1 are randomly placed within the monitoring range of the wireless sensor network, and receive the satellite network through the GPS positioning module 12 The sent GPS signal, after knowing its own location, forms a positioning service network to provide positioning services for other ordinary nodes; while the ordinary node 2 is placed in the area where the monitored object is located, and the data and location information collected by the sensor module 22 are communicated The module is sent to the upper node or upper computer.

[0035] The...

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Abstract

The invention relates to a network locating method for wireless sensors, which is mainly used for solving the locating problem of each node in a wireless sensor network. The device comprises two nodes which are a beaconing node and a common node. The two nodes are respectively characterized in that: the beaconing node is provided with a GPS locating module and a wireless communicating module, and is used for receiving the GPS data transmitted by the GPS satellite network and decoding the telegraph message; a service network is made up of a plurality of beaconing nodes so as to provide locating service for the common node through the wireless communicating module; a processor module completes the GPS signal analysis and transmits the locating information through the wireless module; the common node collects the sensor data and sends the sensor data to a upper layer of node after processing; and at the same time the common node acquires the service to complete self-location from the locating network consisting of the beaconing nodes, and ensures the processing and transmitting of the locating information according to the needs.

Description

technical field [0001] The invention relates to a solution for realizing wireless sensor network node positioning, which belongs to the intersection field of embedded development and wireless communication. Background technique [0002] Wireless Sensor Network (WSN for short) is the product of the development and integration of information technology such as microelectronics technology, AdHoc wireless network, and distributed computing. It uses low-cost, low-power, and computable wireless sensor network nodes to track the monitoring objects that users are interested in, collect and process their data, and send their location information and collected data to users through wireless transmission. It has broad application prospects in the fields of military, environmental monitoring, medical treatment, agriculture and mining. [0003] The main characteristics of wireless sensor network nodes are miniaturization, low power consumption, and low cost. At present, there are not m...

Claims

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Application Information

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IPC IPC(8): G01S5/02G01S1/02G01S19/42H04W4/02H04W64/00H04W84/18
Inventor 王汝传李昊生黄海平孙力娟沙超陈志叶宁李文锋王玉斐凡高娟
Owner NANJING UNIV OF POSTS & TELECOMM
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