Low power consumption wireless sensor network node

A wireless sensor and network node technology, applied in network topology, wireless communication, power management and other directions, can solve the problems of high base station construction cost, limited application and development, and high power consumption of sensor nodes

Inactive Publication Date: 2012-05-16
高旭
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

An important feature of the wireless sensor network is that it gets rid of the connection restrictions of the traditional sensor network, solves the cost problem, and has been widely used, but has not formed a unified standard.
Although the current Zigbee-based wireless sensor network technology realizes the collection, transmission and comprehensive processing of large-scale distributed data information, its further application and development are limited due to the high power consumption of sensor nodes and the high cost of base station construction. develop

Method used

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  • Low power consumption wireless sensor network node
  • Low power consumption wireless sensor network node
  • Low power consumption wireless sensor network node

Examples

Experimental program
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Embodiment Construction

[0010] The basic composition of wireless sensor network nodes includes the following four basic units: sensing detection unit (composed of sensors and analog-to-digital conversion function modules), processing control unit (including CPU, memory, embedded operating system, etc.), wireless communication unit ( It consists of a wireless communication module) and a power supply unit; the sensor detection unit collects the information of the object to be measured in the monitoring area by the sensor, the processing control unit realizes the functions of data analysis, processing and storage, and the wireless communication unit is responsible for the communication between nodes, and the power supply unit Small, high-capacity batteries are usually selected to ensure long life and miniaturization of nodes; ultra-low power consumption can prolong the life of nodes and networks; wireless sensor network node software is programmed in C language, taking into account the reliability of comm...

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Abstract

The invention provides a low power consumption wireless sensor network node. Amount of nodes is substantially reduced. The node is suitable for realization of signal monitoring in an area in a special environment. According to a wireless sensor network, branch node positioning can be solved, time synchronization technology is realized, and a user application interface is realized. The wireless sensor network node comprises a sensing detection unit, a processing control unit, a radio communication unit and a power supply unit. C language programming is employed by wireless sensor network node software, effective data is packaged in design, and formats are a lead code, an address, an effective data load and a check code. To an nRF403 chip, using 0x55FF as the lead code in a UART mode is supported. The address is identifiers of different response points. The effective data load comprises a data packet satisfying an upper level design protocol format. The check code is added at an end of the data packet, and validity of the data can be verified. Data packaging and processing are all realized by the processing control unit.

Description

Technical field: [0001] A wireless sensor network node designed with MSP430F149 processor and wireless transceiver module. Background technique: [0002] Wireless sensor network is a multi-hop self-organizing network formed by a large number of cheap micro sensor nodes deployed in the monitoring area and formed by wireless communication. An important feature of the wireless sensor network is that it gets rid of the connection restrictions of the traditional sensor network, solves the cost problem, and has been widely used, but has not formed a unified standard. Although the current Zigbee-based wireless sensor network technology realizes the collection, transmission and comprehensive processing of large-scale distributed data information, its further application and development are limited due to the high power consumption of sensor nodes and the high cost of base station construction. develop. Wireless sensor nodes are disposable and require low power consumption of the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W52/02H04W52/28H04W84/18
CPCY02D30/70
Inventor 高旭
Owner 高旭
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