Airport environment monitoring method based on wireless sensor network

Abstract

The invention discloses an airport environment monitoring method based on a wireless sensor network, which realizes the real-time monitoring and early warning treatment through building up a wireless sensor network and a dedicated virtual network. The wireless sensor network comprises a network coordinator, a terminal unit and a monitoring node, and the dedicated virtual network comprises a monitoring center, a handheld device and a security system. The airport environment monitoring method is characterized in that the dedicated virtual network is utilized in the monitoring center to ensure the confidentiality and security of data information, the wireless sensor network can adopt different wireless channel access mechanisms under different conditions and can ensure that the monitoring node reports effective environment information to the monitoring center in real time in occurrence of emergencies, a GPRS (General Packet Radio Service) protocol is utilized between the wireless sensor network and the dedicated virtual network so as to enlarge the transmission distance of data, and the monitoring center can carry out the real-time judgment and early warning treatment to the loaded environment information so that an airport security system can be more intelligent and perfect, and accidents can be stopped accurately in real time.

Description

technical field [0001] The invention relates to a wireless sensor network technology, in particular, an airport environment monitoring method based on a wireless sensor network. Background technique [0002] Wireless sensor network WSN (wireless sensor network) is a network formed by sensor nodes with perception, processing and wireless communication capabilities through self-organization. Compared with traditional wired networks, WSN has the characteristics of flexible placement and easy expansion, and has broad application prospects in military, medical and environmental monitoring and other fields. The WSN medium access control protocol mainly solves the problem of multiple nodes sharing the channel, and determines when and how the nodes share the medium to send and receive data. Typical MAC protocols based on collision-free time division multiple access (TDMA) and carrier sense multiple access (CSMA / CA) protocols with collision avoidance function, but they have their ow...

AI Technical Summary

Problems solved by technology

[0003] With the development of the air transport industry, airport security is under increasing pressure. For most domestic airports, airport site security relies on simple manual guards, which can easily lead to the occurrence of airport security accidents and low processing efficiency, affecting aviation. proper functioning of the transportation system

[0004] Chinese patent application 200910185418.3 discloses a remote monitoring terminal device based on the integration of WSN and GPRS networks. Although the patent document mentions the integration of wireless sensor network WSN and general packet radio service network GPRS (General Packet Radio Service) Realize remote monitoring, but this patent document only makes a detailed description of the specific structure of the device, and only emphasizes that the device can realize the integration of WSN and GPRS networks, so as to meet the wireless transmission of remote data and can be applied to remote monitoring systems, but this The patent document does not disclose how the data is transmitted and processed when the wireless sensor network is applied to a specific environment, nor does it mention the intelligent judgment and safety warning of the monitoring data. If you want to use the content disclosed in the patent document to realize airport environment There are still some difficulties in the intelligent monitoring of

[0005] The disadvantages of the existing technology are: most of the existing airport environmental monitoring uses manual guards, which consumes manpower and financial resources, has a low degree of intelligence, serious security loopholes, and easily leads to airport safety accidents

Although the current wireless sensor network technology is relatively mature, it is still relatively rare to be applied in such a large-scale security inspection in the airport environment. There are still many technical problems in the airport environment monitoring, sensor network layout, and data transmission and processing in the network. If you want to ensure the real-time and reliable transmission of airport environmental monitoring data and the intelligent judgment of whether the airport environment is safe or not, there are still certain technical defects in making corresponding security precautions when the airport environment is threatened.

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