Wireless surface acoustic wave radio frequency identification (SAW-RFID) sensor system for temperature and strain measurements

Author(s):  
Fang Li ◽  
Dan Xiang ◽  
Shan Chiang ◽  
Bernhard R. Tittmann ◽  
Cliff Searfass
Author(s):  
Han Tao ◽  
Shui Yongan

This chapter overviews a complementary technology to the integrated circuit based radio frequency identification (RFID)---- Surface Acoustic Wave (SAW) based RFID. The fundamental principle and applications of SAW RFID are presented. In order to guarantee the encoding capacity and reliable reading range, the design criteria in coding scheme, tag design and a time domain interrogated reader design are discussed in detail. As an example, a low-cost SAW RFID system applied in poultry farming management is introduced.


Author(s):  
Ю.В. ГУЛЯЕВ ◽  
А.С. БАГДАСАРЯН ◽  
Т.В. СИНИЦЫНА

Представлена ретроспектива развития технологии поверхностных акустических волн (ПАВ) - одной из самых инновационных в мире. Неоспоримый вклад в динамику развития техники ПАВ внесли российские ученые, результаты теоретических исследований которых, внедренные в промышленное производство, позволили реализовать широкий спектр устройств, обеспечивающих прием, обработку и передачу информации с минимальными искажениями в таких областях, как телевидение, сотовая связь, навигация, радиочастотная идентификация и, конечно, техника специального назначения. Приведены важнейшие результаты исследований по каждому направлению. The article shows a retrospective of the development of surface acoustic wave (SAW) technology, which remains one of the most innovative technologies in the world. The undeniable contribution to the dynamics of SAW technology has been made by Russian scientists, whose theoretical studies, introduced into industrial production, have made it possible to implement a wide range of devices providing reception, processing, and transmission of information with minimal distortion in such areas as television, cellular communications, navigation, radio frequency identification, and of course special-purpose techniques. The most important results of research in each direction are presented.


Author(s):  
Shunfeng Cheng ◽  
Larry Thomas ◽  
Jason L. Cook ◽  
Michael Pecht

This paper introduces a radio frequency identification sensor system and its application for prognostics and health management. In prognostics and health management applications, the radio frequency identification sensor system collects data and transfers the data wirelessly into computers. The data then is analyzed by failure detection and prediction algorithms. The performance of the sensor system for prognostics and health management is demonstrated by a field application.


A remote sensor system comprises of huge no of sensor hubs which can be utilized as a significant instrument for gathering information in various circumstances. The serious issue in the WSN is the vitality utilization of the system. In this paper we represent the RFID [Radio Frequency Identification works only in modes that is sleep, active, ready for packet collision]. In RFID protocol there are three types of nodes that is sleep, active, ready. As energy consumption is less in LeachRFID because some hubs are in sleeping mode and rest of them are in active and ready modes. The packet loss is more in LeachRFID protocol due to non synchronization of the nodes. The simulation results shows between leach and Leach-RFID


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