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Method for multithreaded communication between network nodes of wireless sensor and gateway

A wireless sensor and network node technology, applied in wireless communication, network topology, electrical components, etc., can solve problems such as limited coverage, high data transmission cost, and inability to meet the development needs of wireless sensor networks.

Inactive Publication Date: 2012-11-21
BEIJING SILONG TENGYUE INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, most of the current wireless sensor networks use the existing network infrastructure (such as Internet, GPRS, etc.) to complete data transmission. This method has high data transmission costs and limited coverage, which cannot meet the current development needs of wireless sensor networks.

Method used

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Embodiment Construction

[0010] The hardware part of the gateway is mainly composed of power supply circuit, microprocessor circuit, Zigbee wireless communication circuit, data storage circuit, connecting El circuit, and other peripheral circuits; the software part includes Zigbee / 802.15.4 protocol stack program, main control program, data packet Processing program, linear networking protocol, interface detection program. The hardware part uses C8051F340 microprocessor, embedded with USB and SPI interface, to complete the control of the entire gateway circuit; the software part uses the standard Zigbee protocol stack to complete the network of wireless communication modules Link, and use the adaptive routing protocol to complete the linear networking of the wireless sensor network, and complete the transmission and conversion of multiple sensor node data packets on this protocol. The core control CPU of the gateway adopts Cygnal's C8051F340, and the working voltage is +3.3V. It is a fully integrated mi...

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Abstract

The invention discloses a method for multithreaded communication between network nodes of a wireless sensor and a gateway and a wireless gateway device. The wireless gateway device employs logistic chaotic mapping to generate a key, chaotically disturbs information sent from the sensor to the gateway and information sent from the gateway to a sensor network by nonequivalence operation, can realize package forwarding and relaying functions of an embedded wireless local area network composed of a plurality of sensor nodes having sentience, computation capacity and real-time communication capacity, and finishes remote linear transmission of an area network.

Description

technical field [0001] The invention relates to the technical field of wireless sensor networks, in particular to a multi-thread communication method between wireless sensor network nodes and gateways. Background technique [0002] In practical applications, wireless sensor networks often have to communicate with other information devices. communication connection. For example, a user walks with a handheld PDA in an area covered by the network, and can access the temperature information on the temperature sensor in the remote wireless sensor network by accessing the Internet. The data monitored in w SN (Wireless Sensor Network) sometimes needs to be sent to the upper server for analysis and processing through the Internet. At the same time, the upper server sometimes needs to send related commands to the nodes in W SN to realize related tasks. Some application systems Among them, different types of wSN nodes also need to coordinate communication with each other to realize ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/04H04W84/18H04W88/16H04W12/041
Inventor 朱彦
Owner BEIJING SILONG TENGYUE INFORMATION TECH
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