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Wireless multimedia sensor network data query method based on state machine

A multimedia sensor and query method technology, applied in the direction of data exchange network, data exchange through path configuration, transmission system, etc., can solve the problem of reducing the development and deployment cost of wireless multimedia sensor network data management system, large amount of sensing data, network Energy constraints and other issues

Inactive Publication Date: 2008-12-03
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] Technical problem: The purpose of this invention is to provide a wireless multimedia sensor network data query method based on a state machine, which is used to solve the problems faced by the current wireless multimedia sensor network data query, such as large amount of sensing data, limited network energy, and node storage space. limited issues, and reduce the development and deployment costs of wireless multimedia sensor network data management systems

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  • Wireless multimedia sensor network data query method based on state machine
  • Wireless multimedia sensor network data query method based on state machine
  • Wireless multimedia sensor network data query method based on state machine

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Embodiment Construction

[0052] The development process of the wireless multimedia sensor network data management system based on the state machine is as follows:

[0053] Step 1: Perform requirements analysis to determine user interface parameters and query task definitions. First of all, the task needs to be completed according to the needs, and the input interface form and parameters of the query should be clarified. The input interface of the query is provided to the user through a graphical interface, and the parameters of the query are provided to the user, including the target node or target area of ​​the query, the content attribute of the query (video, audio, etc.), the accuracy of the query (high precision, low precision ), the timeliness of the query (instant information query, historical information query), etc.; secondly, determine the release method of the query task. The query task is sent to the target node or target area for execution by using different data packet formats based on di...

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Abstract

The invention discloses a data management system based on a state machine, which is a data searching and management proposal in a wireless multimedia network, and is mainly used for solving data acquisition and data processing problems in the wireless multimedia network. A data management system in a wireless multimedia sensor network based on the state machine is developed and characterized in that: a search task is formed by various parameters through combination and encapsulation and different search applications are corresponding to different parameter combinations; the functions of network nodes are controlled by the state machine and the function decision of nodes depends on the current state; a primary search task is collaboratively fulfilled by multiple nodes in various states; the whole network has nodes in various states during the life cycle of the network and the same node can only be in one state at a specific time and the state of a node can change with the change of self conditions and transfer from one state to another; nodes of various states can carry out a routing strategy flexibly according to the timeliness and precision requirements of the search task.

Description

technical field [0001] The invention relates to a data management scheme in a wireless multimedia sensor network, which is mainly used to solve the data collection and data processing problems in the wireless multimedia sensor network, and belongs to the field of wireless sensor network application and software development. 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 begin to appear around the world. Sensor networks composed of these tiny sensors have attracted great attention. This kind of sensor network integrates sensor technology, embedded computing technology, distributed information processing technology and communication technology. Process, obtain detailed and accurate information, and transmit it to users who need it. However, as the monitoring environment becomes more and more compl...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L12/56H04L12/28
Inventor 王汝传唐晨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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