Wireless Technology: Wireless sensor networks in military applications – Sensors – Security Industry
HC Network Security Wireless sensor networks can help achieve effective battlefield situational awareness, to meet the operational forces "know ourselves" requirements.
Information Technology Is driving a new revolution in military affairs. Information warfare combat system requirements "could understand, quick, and hit the" Who in the information acquisition, transmission, processing an advantage (to obtain information superiority), who will be able to grasp the initiative in war. Wireless sensor networks with its unique advantages, in many occasions to meet the military's real-time access to information, accuracy, comprehensiveness, etc. requirements.
Wireless sensor networks can help achieve effective battlefield situational awareness, to meet the operational forces "know ourselves" requirements. Typical idea is to use aircraft to a large number of micro sensor nodes scattered in the vast battlefield area, the composition of these nodes from the network side of the battlefield information collection, transmission side, edge integration units for the war, "picking" intelligence service. According to the White House's information technology
Expert Introduction, computer, communications and technology advances are leading a small U.S. military into a new era in defense technology have a "revolutionary" effect. Office of the President under the national information technology research and development of a comprehensive Office of David? Nelson said wireless sensor network technology, herald the battlefield brought new Electronic Eye And electronic ears "can change in the coming decades battlefield environment."
As wireless sensor networks with intensive, random distribution of features, makes it suitable for harsh battlefield environment, it is very suitable for harsh battlefield environment, including enemy reconnaissance, Monitor Troops, equipment and materials used to judge various biochemical attacks. Friendly forces, equipment, ammunition allocation Monitoring ; Theater control; enemy military reconnaissance; target tracking; war damage assessment; nuclear, biological and chemical attack detection and reconnaissance.
View of the wireless sensor network applications in the great role of the military, caused the military sector in many countries, industry and academia of great concern. Natural Science Foundation of the United States in 2003 developed a sensor network research project, investment 34 million U.S. dollars support the related basic research. U.S. Department of Defense and military departments of the sensor network to a high degree of importance on the basis of the C4ISR C4KISR proposed plan, which emphasizes the perception of the battlefield intelligence capabilities, information integration capabilities and the ability to use information to sensor networks as an important area of research, the establishment of a series of military sensor network research projects. U.S. Intel Company The United States and other information industry giant Microsoft have begun the work of the sensor network, have set up or start the corresponding action plan. Japan, Britain, Italy, Brazil and other countries on the sensor network has shown the greatest interest, and are taking research in this field.
Typical application of wireless sensor network model can be divided into two categories, the sensor nodes to monitor changes in environmental conditions or events, the events or changes in the status report to the management center; One is by the management Centre issued an order to a region of sensor nodes, sensor nodes to execute commands and return the corresponding monitoring data. By contrast, a sensor network has two main modes of communication, one sensor to collect the data transmitted to the management center, to a communication mode known as the more; one management center to the sensor nodes within the region released command, as one or more modes of communication. The former mode of communication data volume, the latter is relatively small.
Present here a collection of some Western countries (mainly the United States) in military applications of wireless sensor networks the main study:
1) smart dust (smartdust)
Smart dust (smartdust) is a function of the ultra-miniature computer sensors, which consists of the microprocessor, the radio transceiver device and to enable them to form a common form of wireless networking software. Some of the dust scattered on a certain range, they can locate each other, the collection of data to the base station to transmit information. In recent years, as silicon technology and the rapid production process, integrated with sensors, computing circuits, bidirectional wireless communication module and power module the size of the dust components have shrunk to the size of a grain of sand, but from the information it contains collection, information processing to send information all the components necessary. Even the future of smart dust suspended in the air a few hours, the collection, processing, launch information, it can only rely on micro-battery for many years. Smart dust of remote sensor chip to track enemy's military action, a lot of smart dust can be installed in the publicity materials, bullets or shells in place of Sala in the target down to form a tight surveillance network, an enemy's military forces and personnel, clear about the flow of natural materials.
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