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Wireless multimedia broadband sensor network node device and operating method thereof

A sensor network and multimedia technology, applied in wireless communication, network topology, electrical components, etc., can solve the problems of inability to effectively collect and transmit audio and video signals, weak processing capability, narrow bandwidth, etc., to achieve high cost performance, convenient use and maintenance. , good real-time effect

Inactive Publication Date: 2011-11-09
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: The purpose of the present invention is to provide a wireless multimedia broadband sensor network node device with strong processing capacity for the problems that the traditional wireless sensor network system cannot effectively collect and transmit audio and video signals, weak processing capacity and narrow bandwidth.

Method used

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  • Wireless multimedia broadband sensor network node device and operating method thereof
  • Wireless multimedia broadband sensor network node device and operating method thereof
  • Wireless multimedia broadband sensor network node device and operating method thereof

Examples

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Embodiment

[0049] Example: such as figure 1 As shown, the wireless multimedia broadband sensor network node device of the present invention includes a processor unit 1 , a storage unit 2 , a video unit 3 , an audio unit 4 , a display unit 5 , a wireless communication unit 6 , a debugging unit 7 and a power supply unit 8 .

[0050] Such as figure 2 As shown, the processor unit 1 is composed of a processor U1 and its peripheral circuits. It uses C language to build a software platform, and mainly completes signal control, data conversion, data calculation, protocol communication, audio and video processing, and algorithm processing. Processor U1 adopts arm11 processor S3C6410, its normal operating temperature range is -40°C to +85°C; the maximum frequency of processor U1 can reach 800MHz, and it has 2D or 3D hardware for mobile image processing, display control and image scaling Accelerator, support MPEG4 / H.263 / H.264 real-time codec and VC1 real-time decoding.

[0051] Such as image ...

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Abstract

The invention discloses a wireless multimedia broadband sensor network node device, which comprises a processor unit (1), a storage unit (2), a video unit (3), an audio unit (4), a display unit (5), a wireless communication unit (6), a debugging unit (7) and a power supply unit (8), wherein the video unit (3) is used for acquiring video signals; the audio unit (4) is used for acquiring and playing audio signals; the wireless communication unit (6) is used for transmitting and receiving signals; the debugging unit (7) is used for debugging the programs of the wireless multimedia broadband sensor network node device; and the power supply unit (8) is used for providing operating voltage for the whole equipment. By the device, the problems that the traditional wireless sensor network system cannot effectively acquire or transmit audio / video signals, is low in processing capacity and narrow in bandwidth, and the like are effectively solved, and the device is low in investment cost, high in cost performance, high in real-time property, safe, reliable, and convenient to use and maintain.

Description

technical field [0001] The invention relates to a wireless multimedia broadband sensor network node device and an operation method thereof, which belong to the technical field of wireless sensor networks and are suitable for monitoring industrial equipment, danger sources and pollution sources, monitoring large conference venues, monitoring large stadiums, smart home monitoring and livestock Industry, agriculture, military, transportation, logistics, water conservancy, medical care, environment, home furnishing, and public welfare undertakings such as poultry-scale facility breeding environment monitoring. Background technique [0002] With the rapid development and maturity of communication technology, embedded computing technology and sensor technology, miniature sensors with perception, computing and communication capabilities have begun to appear and have attracted great attention. This sensor network can coordinately perceive, collect and process various environmental o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W84/18
Inventor 陈俊杰林挺
Owner SOUTHEAST UNIV
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