Research on key technology of Internet of Things based on FRID

Research on Key Technology of Internet of Things Based on FRIDYin Laiwu12, Chen Deyun1, Zhu Hongwei21.Harbin University of Science and Technology Harbim, China2.Jilin College of Agricultural Science and Technology Jinlin, Chinayinlaiwu@, yinlaiwu@, zhw_cn@Abstract—the Internet of Things refers to a network of internet-enables objects, together with web services that interact with these objects which bases on appointed treaty to make information exchange and communication in order to achieve intellectual identification, location, tracking, monitoring and management. Since 2009, the the Internet of Things concept in the global and domestic has become hot flashes, which called the third wave in global Internet information industry after computer and internet. This paper analyzes the Internet of Things application perception technology , network communication technology, data encryption technology, network security technology, and other key technologies based on FRID technology in recent years which will surely promote all their important roles in the IOT.Keywords- the Internet of Things; FRID; IOT Agreement; internet encryption technologyI.OVERVIEWSince the concept of the IOT first proposed, it has been the most important key word in the world which both has been considered one of the necessary instruments to boost the economy and was defined as the basic strategy leading the world by EU(European Union) and also was accepted as the importance of strategic new domains plans[1]."The Internet of Things" is that all items are combined together with internet through all kinds of information sensing equipment, such as RFID device, magnetic sensor, 3S technique, laser scanner and other kinds of devices to achieve data collecting, fusion and processing, and to realizes intellectual identify and management through operation terminal[2] ."The Internet of Things " technology has preliminary application in various fields, such as: sensing technology application in precision agriculture, intelligentized experts management system, remote monitoring and remote sensing system, biological information and diagnosis system, food safety tracing system, etc.II.THE INTERNET OF THINGSARCHTECTURE NAs a large-scaled self-organized network, The Internet of Things can be put forward into three layers: Perception layer, internet layer and application layer.a. Perception layer deals with information collection and perception, including FRID and its RW technology, sensors, sensor net and remote sensing technology, FRID tag and bar code technology.b. Internet layer consists of various information network and Hosted Network formed by The Internet of Things, including information and internet fusion network, internet management centres, information centres and intellectual processing centres, etc. It delivers and processes information from perception layers, being like nerve centre and brains in body structure, completing information and data transmission between Perception layer and application layerc. Application layer is mainly constituted by kinds of application systems with its major functions of Data Convergence, conversion,, analyzing and sharing, as well as the relevant supporting platform for users. Meanwhile, application layer also offers application interface of internet of things and application services for users’ devices and terminals. It is considered both as the deep fusion of IOT and professional technology and perfect integration with industry needs to complete the intellectual management.III.THE KEY TECHNOLOGY OF IOT BASED ONFRIDA. FRID TECHNOLOGYRadio Frequency Identification (RFID)is used as non-contact automatic Identification technology with its basic principle is to use the space coupling or RF signal transmission characteristics to realize the object or commodity automatic identification[3].RFID technology, like other automatic identification technologies such as: bar code technology, optical recognition and biological recognition technology, is characterized by its strong anti-interference ability, intensive information, the visual range, reading-writing scope and long service life etc, such advantages are widely used in logistics, supply chain, the animals and the vehicle identification, access control system, library management, automatic charges and manufacturing, etc.The major reasons that FRID technology has been hot in recent years are its own plentiful features, such as high capacity, small volume, long operating life, and its repeated usages, furthermore, it also supporst the non-visual recognition, fast reading and writing function, the mobile identification system, positioning, and other functions.2011 International Conference on Mechatronic Science, Electric Engineering and Computer August 19-22, 2011, Jilin, ChinaAlong with the increasing social informatization level day by day, science and people have serious demand for working in efficiency and automative degree, RFID technology and the Internet, communication and computer technologies, their combination can achieve global scopeof items in the tracking and information sharing[4].FRID system composes electric tag, FRID Reader and Writer, antenna and Web Management System. RFID technology's biggest advantage is the non-contact, completing work in recognition without human intervention, suitable for automation system. For example, retail goods in the supermarket mostly use bar code technology at present , through the laser barcode reader in the sale, barcode identification of the data in the whole process of circulation only identify a time. After the RFID system, tags can be identified without human intervention, and Reader and Writer can read hunderds of tag data within per second, which is more faster than traditional barcode scanning mode.Now the current research concentrates on the RFID technology standards and tag cost, communication protocol and communication security aspects[5].B. SENSORS AND SENSOR NETWORK TECHENIQUESensors are those of certain informatio in the tested objects with feelings and detection function, and convert into corresponding signal components or device accordingto certain rules, which are composed of sensitive components and converting components.The sensor is responsible for networking information collection, which is to realize the foundation of real world perception, also it is the foundation of networking services and applications.There are various types of sensors with different principles. According to the tested nature, it can be divided intro three kinds: Physical Sensor , Chemical Sensor and biosensor. Also it can be classified by use, material, output signal type and manufacturing process[6]. With the technology development, new sensor types are emerging with its broadening application fields, including industrial automation, modernization of national defense, aero technics, space technology, energy development, environmental protection and biological sciences, etc. With NT and MEMS application, the minishing of sensors dimension and improved accuracy have also expanded its application domain[7]. Sensors joints in the Internet of Things usually consist of data collection, data processing, data transmission and power supply. The joints have perceptive, computerized and communicative abilities which are based on traditional sensors.Sensors network integrates sensor technics, flushbonading computer technics, modern network and distributed information processing technics and wireless communication technology, which can make real-time monitoring, perception and collection on various environmental or minitoring objects, through flushbonading processing system and multi-hop style randomly, sensors can transmit perception information to user terminals, realizing “ computer’s everywhere”[8].A typical sensor network often composes sensor joints, receiving sink, internet or satellite and task manage node. Sensor nodes are dispersed in specified perception areas, perceiving sleep tag , collecting and processing information in real time, then transmit data to sink by multi-hop style, the same as sink to nodes. Sink directly connected with internet or satellites through which it completes the communication between sensors and task manage node. If failed, the system can make automatic modulation, ensuring the normalization of the whole communicative system.Network communication technology of sensor provides transmission channel for the internet of things, however how to enhance the existing network and meet the needs of the Internet of Things has become hot research on the Internet of Things.Network communication technology of sensor have two kinds: NFC (Near Field Communication) and Wide Area Network Communication technology. As for the first kind, Near Field Communication is the mainstream technology at present represented by IEEE802.15.4, which is used for physical layer and the media involved in regulating control layer norm of NFC made by IEEE[9]. In the second field:, Wide Area Network Communication technology, internet, 2G/3G mobile communication and satellite communication technology complete information remote transmission, especially the newest development of internet based on iIPv6 brings about better basic prerequisite for the development of sensor network.C. COMMUNICATION SECURITY PROBLEWS FOR FRID SYSTEMAs one of the core technologies of FRID system, security and privacy protection of FRID could not have taken forceful insecure use of cryptography for common goods because of tag cost limitation.Besides, the link for communication between tag and reader is wireless, the signal itself is at clear which brings convenience for illegal users’ interference and monitoring, even communication attack[10]. On the whole, the major problems of FRID system mainly exist in signal interference, being wiretapped, sniffer, even tampering and individual privacy.These problems in FRID will be more complicated than normal computer network security. As for privacy in FRID, users can use kill tag through which kills tag that cannot be activated when commodity is delivered to terminal users, completely prevent user’s privacy is tracking, but the impact of to reverse tracking also appears, such as: return, maintenance and service, limiting that the tag is used againIn addition, sleep tag can also be used by which we can make tag dormancy, but it can be activated again without impact of reverse tracking. But in tag production, we will use more complicated programming technology, and, to some extent, increase the cost of the label.But for signal interference problems, we can adopt niche- targeting anti-disturbance measures such as we can improve data anti-interference ability through data coding, and improve anti-jamming ability through data coding and integrity of data calibration.Also we can use all sorts of authentication and encryption means to ensure the data security between that tag and reader, such as Hash lock, two-way authentication mechanism and address authentication (three- party authentication) mechanism, which can guarantee that before the reader sends a code to unlock data, the data hasbeen being locked. However, tag cost directly influenced its calculating ability, memory capacity and the strength of the encryption algorithm. Choosing FRID system in the Internet of the Things, we should consider whether to choose to have the password and authentication system according to the actual demand. Generally speaking, in high-end RFID system and high- value marked items occasion, this kind of means can be used.IV. THE APPLICATION AND OUTLOOK OF INTERNET OFTHINGSAlthough the application of internet things is still at an early stage, it has achieved initial success in some areas. At present, the application of internet of things mainly focuses on logistics, military, monitor and manager, medical care and so on. By means of applying the technology of internet of things, we can realize to reduce the time of attacking, expand detection zone, improve the accuracy and continuity of tracking, enhance the capability of detecting and resolving the target in military area. Thereby, we can improve our fighting efficiency. In other areas, it can make it easier for us to grasp the dynamic information of primary focus, accordingly we have the scientific evidence for target identification, diagnosis and emergency disposal. With the continuous development of technologies of sensing, measurement and control, communication, network, computer and so on, the internet of things will show a more powerful vitality, the application will permeate all industries and spread all areas of our daily life. The internet of things, as a leading edge technology, will continue to push forward the development of computer, internet, sensing and other industries. Meanwhile, it brings a revolutionary turnaround of information acquisition, makes the information technology take a new step and drive rapid development of microsystem and sensor industry. The internet of things, the relative technologies and industries have inestimable marketable value and development prospect.V.CONCLUSIONThe Internet of Things is a complex and huge system with more advanced technologies and various application diversity, concerning every aspect of social life.At present, the development of industry of the internet of things is still in the early stages, but it has been showing strong demand power and considerable market expectations that gave birth to the great potential and opportunity.Research on the internet of things will surely lead all the networking industry chain. Especially the common development of the information technology, network communication technology perception and data fusion and intellectual technology, cloud computing technology research and development, will directly influence the content for the development and application of networking, only the comprehensive research can solve the key technical issues, through which the internet of things can get faster promotion, and realize the wishes of the earth by human wisdom.R EFERENCES[1]Wu S Q, Jiang L J and Xie S L,et al. Infrared Face Recognition byUsing Blood Perfusion Data[C]//Proc Audio and Video-basedBiometric Person Authentication, NY: [s.n.], 2005 (AVBPA05):320-328.[2]Chen L, LiaoH and KoM, etal. A New LDA Based FaceRecognition System Which Can Solve the Small Sample SizeProb-lem[J]. Pattern Recognition. 2000, 33(10), 713-1726.[3]Chen X, Flynn P J, Bowyer K. 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