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Energy-saving sensor data collection method based on cross layer safe compression

A data collection, sensor technology, applied in the fields of safety devices, energy consumption reduction, advanced technology, etc., can solve the problems of duplication and redundancy of the sensing area

Active Publication Date: 2014-04-30
江苏数一科技服务有限公司
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  • Abstract
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Problems solved by technology

This will lead to the duplication of the sensing area, so that the data received by the mobile phone has a temporal and spatial correlation, causing redundancy.

Method used

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  • Energy-saving sensor data collection method based on cross layer safe compression
  • Energy-saving sensor data collection method based on cross layer safe compression
  • Energy-saving sensor data collection method based on cross layer safe compression

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Embodiment Construction

[0066] This cross-layer security compression method is suitable for sensitive multimedia data collection in wireless sensor networks. It uses compressed sensing technology, encryption algorithm, and integrity check hash algorithm to achieve security compression, and uses multiple parameters of the physical layer and MAC layer for joint optimization. To achieve energy minimization, the final cross-layer secure compression method can ensure data security and achieve better results in terms of energy efficiency and compression computational complexity.

[0067] Below in conjunction with accompanying drawing, the technical scheme of the present invention is described in further detail:

[0068] The cross-layer network structure diagram is attached figure 1 , each network layer designed by the scheme is given in the figure, including physical layer, MAC layer and application layer. It mainly includes technologies such as compressed sensing, source coding rate adjustment, transmiss...

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Abstract

The invention discloses an energy-saving sensor data collection method based on cross layer safe compression. High energy efficiency and safety are achieved by means of the CS cross layer safe compression method. The method comprises a CS-based safe compression method and a cross layer combined optimization method. According to the CS-based safe compression method, encryption and integrity checking is combined with compressed sensing, and safety and low redundancy rate of data are ensured; cross layer combined optimization relates to the source encoding rate, transmission power and TDMA time slot assignment of a physical layer and a MAC layer, and energy minimization is achieved by means of the nonlinearity convex optimization algorithm. The energy-saving sensor data collection method based on cross layer safe compression achieves higher data safety, optimized energy efficiency, smaller transmission information amount, and smaller system complexity.

Description

technical field [0001] The invention discloses an energy-saving sensor data collection method based on cross-layer security compression, and belongs to the field of energy efficiency research of wireless sensor network sensitive multimedia network data collection. Background technique [0002] In recent years, wireless sensor networks have begun to enter some extended application fields, such as multimedia communications, some of which involve sensitive data, which puts forward higher energy-saving and security requirements for energy-constrained wireless sensor networks. Most of the existing wireless sensor network methods suitable for multimedia communication do not consider security, or the security is low, and in the process of realizing security and data compression, it is not stable enough to reduce energy efficiency. [0003] In many wireless sensor network applications, security assurance mostly considers confidentiality, authentication, integrity and availability. ...

Claims

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Application Information

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IPC IPC(8): H04W12/02H04W52/02
CPCY02D30/70
Inventor 谈玲夏景明
Owner 江苏数一科技服务有限公司
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