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Congestion control method of multi-path transmission mechanism of wireless multimedia sensor network

A multimedia sensor, multi-path transmission technology, applied in wireless communication, network topology, network traffic/resource management, etc.

Inactive Publication Date: 2010-06-16
NANJING UNIV OF POSTS & TELECOMM
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  • Abstract
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Problems solved by technology

[0004] However, due to the limitations of its own hardware resources and network conditions, the development of wireless multimedia sensor networks is facing many challenges and difficulties

Method used

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  • Congestion control method of multi-path transmission mechanism of wireless multimedia sensor network
  • Congestion control method of multi-path transmission mechanism of wireless multimedia sensor network
  • Congestion control method of multi-path transmission mechanism of wireless multimedia sensor network

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specific Embodiment approach

[0086] The method of the present invention relies on multiple types of sensor nodes in the network to construct multiple data packet transmission paths with certain quality of service guarantees, and on this basis, according to the actual conditions of nodes, links and networks, implement corresponding The congestion control scheme ensures that the data and information of various types of multimedia sensor nodes deployed in the network environment are transmitted to the destination node in a timely, accurate and efficient manner. Its specific implementation method is:

[0087] 1) In the network environment, randomly and evenly spread multiple ordinary nodes with the same initial energy, the same communication and sensing capabilities. Each ordinary node has already known the location information of itself and other ordinary nodes in the network, and can know its own remaining energy information at any time;

[0088] 2) In the network environment, randomly and evenly spread mu...

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Abstract

The invention relates to a multi-path transmission mechanism of a wireless multimedia sensor network and a congestion control method thereof. Based on intensively distributed wireless sensor network nodes and wireless multimedia sensor network nodes, the method aims to improve the quality and reliability of sensor data transmission by establishing a plurality of sensor data transmission paths between a source node and a target node through a relay node to ensure the in-time, accurate and reliable arrival of multimedia sensor data and common sensor data at the target node. Meanwhile, for improving the utilization rate of network resources, the invention provides a method for finding, reporting and regulating congestion in the relay node and the path of the relay node to further ensure the reliability of data transmission.

Description

technical field [0001] The invention relates to a path selection and data transmission method of a wireless multimedia sensor network. This method provides guarantee for the timely, accurate and efficient transmission of multi-type sensor data, and belongs to the intersecting field of sensor network technology and wireless communication technology. 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. The resulting sensor network can coordinately perceive, collect and process various environmental or monitoring object information in the network coverage area, and release it to users who need this information. The sensor network integrates the logical information world and the real physical world, which profoundly changes the interaction between hu...

Claims

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Application Information

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IPC IPC(8): H04W28/00H04W40/00H04W84/18
Inventor 沙超王汝传黄海平孙力娟叶宁王玉斐凡高娟马守明
Owner NANJING UNIV OF POSTS & TELECOMM
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