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High-speed sampling wireless sensing network node

A wireless sensor network, high-speed sampling technology, applied in electrical components, telephone communication, communication between multiple stations, etc. Advanced problems, to achieve the effect of reducing the number of device leads, strong survivability, and high sampling rate

Inactive Publication Date: 2007-02-07
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the current structural health monitoring technology based on the active monitoring method uses a high excitation signal frequency (100Ksps-500Ksps or even higher), and there is no wireless sensor network node with a high-speed sampling rate that meets the above requirements. The highest wireless sensor network node at home and abroad The sampling frequency is within 100Ksps, and the existing general-purpose high-speed test system is complex in structure and bulky, and cannot be combined with wireless sensor network technology. Therefore, it is necessary to design and develop a high-speed sampling rate wireless Sensor network nodes, and use this to build a wireless sensor network with a wider range of applications

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  • High-speed sampling wireless sensing network node

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Embodiment Construction

[0018] The high-speed sampling wireless sensor network node in this embodiment includes a wireless transceiver and processing module and a high-speed acquisition module. Such as figure 1 As shown, the wireless transceiver and processing module includes a wireless transceiver, a central processing unit (CPU) for time-sharing processing operation requests and communication protocols, a memory that is a shared program / data memory, I / O ports, and on-chip analog-to-digital conversion The system clock, wireless transceiver, central processing unit for time-sharing processing of operation requests and communication protocols, memory, I / O ports, on-chip analog-to-digital converters and system clocks are connected through a shared internal bus. The system clock Provides clock signals for the central processing unit and the wireless transceiver for wireless communication operations; the analog-to-digital converter in the wireless transceiver and processing module is integrated internally b...

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Abstract

The invention relates to a high-speed sampling wireless sensing network node, which comprises a high-speed collecting module and a wireless receiving / sending data processing module, wherein the first module comprises a high-speed analogue / digit converter, an on-site programmable gate array and a high-speed static memory; the second module comprises: a wireless sender / receiver, a central processor for timed processing operation request and communication protocol, a memory, I / O port, internal analogue / digit converter and system clock, which are connected by shared internal bus; the system clock supplies clock signal for the central processor and the wireless receiver / sender; the high-speed static memory is connected to two modules. The invention has lower weight, strong local processing ability, high sampling speed, small volume, and the application to form wireless sensing network.

Description

1. Technical Field: [0001] The invention relates to a device for collecting and processing high-speed signals and wireless communication, in particular to a wireless sensor network node with a high sampling rate for building a wireless sensor network system. 2. Background technology: [0002] Currently, wireless sensor network technology is an important research field that has been widely concerned by domestic and foreign researchers. The concept of wireless sensor network is based on a simple equation: sensing technology + central processing unit + wireless communication = thousands of potential applications. When it is necessary to continuously sense, test, and transmit wireless signals to environmental parameters such as temperature, luminous flux, displacement, and noise, consider configuring an intelligent wireless sensor network in the relevant field to measure the environmental parameters to be measured. Sensor data analysis to achieve the purpose of detection. This techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M11/00H04B7/26
Inventor 袁慎芳吴键殷悦丁键伟尚盈赵霞
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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