Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/3464
Title: Aportaciones al diseño del sistema de recuperación y estabilización de energía para sensores inalámbricos pasivos de largo alcance
Other Titles: Contributions to the design of the energy recovery and stabilization system for log range passive wireless sensors
Authors: Morales Ramos, Ricardo
Director: Montiel Nelson, Juan Antonio 
García-Alonso Montoya, Andrés
UNESCO Clasification: 330790 Microelectrónica
Keywords: Sensores inalámbricos
Tecnología RFID
Conversores AC-DC
Issue Date: 2009
Abstract: Sensor networks to realize ubiquitous computing require not only a small, simple, and low{cost RF terminal with sensing device, but also a very low{power consumption and a long{distance communication range. Radio frequency identi cation (RFID) systems are one of the most appropriate RF terminals for sensor networks, satisfying previous requirements. In recent years, RFID tags have become very popular in many applications such as manufacturing, product distribution, sales, security and surveillance. They have a number of additional advantages over the traditional barcode labels namely, larger storage capacity, write capability and larger distance range, among others. Passive RFID systems working in the UHF band will probably be the next generation of RFID systems. Battery{life{less operation, reading distance of few meters and international standards availability, are some of their features. The integration of a sensor in a long range RFID transponder keeping its operation range of some meters will multiply the application range of the current RFID Tags. However there are some technical barriers to push this idea into practice. This barriers are the AC into DC power conversion e ciency the high power consumption of the sensors and the circuits in the tag. Till now, there is not any RFID sensor operative in the state{ of{the{art, although there is a great scienti c interest in UHF RFID technologies, both in readers and in tags as well as in ultra low power consumption sensors. The goal of this PhD. Dissertation is to realize contributions to the design and implementation of the energy recovery and stabilization system for long range passive wireless sensors based on passive UHF RFID technologies. The contributions proposed in this PhD. Thesis as well all the research carried out have been probed with the design, implementation, fabrication and measurement of several microelectronic circuits.
Description: Programa de doctorado: Ingeniería de Telecomunicación avanzada.
URI: http://hdl.handle.net/10553/3464
ISBN: 978-84-693-3680-9
Appears in Collections:Tesis doctoral
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