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Multipath routing method based on wireless multi-media sensor network

A multimedia sensor and multi-path technology, applied in network topology, wireless communication, advanced technology, etc., can solve the problems of limited capacity of ordinary nodes and network congestion, achieve energy and service quality balance, balance energy consumption, and ensure fast transmission. Effect

Inactive Publication Date: 2012-12-12
NANJING UNIV OF POSTS & TELECOMM
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AI Technical Summary

Problems solved by technology

Although the processing and transmission capabilities of multimedia nodes have been greatly improved, ordinary nodes have limited capabilities, which will cause network congestion when transmitting as relay nodes

Method used

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  • Multipath routing method based on wireless multi-media sensor network
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  • Multipath routing method based on wireless multi-media sensor network

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Embodiment Construction

[0042] The present invention proposes a novel multipath routing algorithm, and its specific implementation is:

[0043] 1) In the network environment, randomly sow multiple ordinary sensor nodes and multimedia sensor nodes with the same initial energy E, the same communication and sensing capabilities, and the sensor nodes know their own geographical location; each sensor node has its own unique ID, Each node can sense its own remaining energy, the total number of distributed sensor nodes is known, and the total number of nodes in the network excluding sink nodes is M;

[0044] 2) The aggregation node is deployed at the top of the network, and each sensor node can directly communicate with the aggregation node, and the power and data processing capabilities of the aggregation node are much stronger than the sensor nodes;

[0045] 3) When the source node S sends a transmission request to the destination D, it first finds the path of D in the local node, if there is, it uses this ...

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Abstract

The invention relates to a multipath routing method based on wireless multi-media sensor network, which aims to the technical scheme of multimedia data stream transmission in the wireless multimedia sensor network. The multipath routing method is mainly used for solving the problem about the real-time transmission of the multimedia steam and prolonging the service life of the network as long as possible. The multipath routing method is characterized in that data from a source node to a target node in the wireless multi-media sensor network are transmitted by adopting a multipath transmission mode, and moreover higher service quality is provided for users by adopting a partitioning service mode.

Description

technical field [0001] The invention relates to a multi-path routing method based on a wireless multimedia sensor network. The method provides guarantee for timely, accurate and efficient transmission of sensing data, and belongs to the cross field of sensor network technology and wireless communication technology. Background technique [0002] The wireless multimedia sensor network introduces multimedia sensor nodes on the basis of the traditional wireless sensor network. These nodes are multimedia sensor nodes with multimedia information perception, computing and communication capabilities. The multimedia information in the coverage area can effectively improve the monitoring quality through multi-faceted and multi-angle perception, and better meet the needs of users. [0003] The inventor found in the research that the wireless sensor network has higher requirements for data processing and transmission after adding multimedia nodes to collect multimedia data. Although t...

Claims

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Application Information

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IPC IPC(8): H04W40/02H04W84/18
CPCY02D30/70
Inventor 王汝传郭枭黄海平孙力娟沙超肖甫蒋凌云徐佳顾翔
Owner NANJING UNIV OF POSTS & TELECOMM
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