SDR readers for Gen2 RFID and backscatter sensor networks

Kargas Nikolaos

URI	http://purl.tuc.gr/dl/dias/48C7B090-0189-4926-A742-CCFB8A15DD31	-
Identifier	https://doi.org/10.26233/heallink.tuc.28111	-
Language	en	-
Extent	2.8 megabytes	en
Title	SDR readers for Gen2 RFID and backscatter sensor networks	en
Creator	Kargas Nikolaos	en
Creator	Καργας Νικολαος	el
Contributor [Thesis Supervisor]	Bletsas Aggelos	en
Contributor [Thesis Supervisor]	Μπλετσας Αγγελος	el
Contributor [Committee Member]	Karystinos Georgios	en
Contributor [Committee Member]	Καρυστινος Γεωργιος	el
Contributor [Committee Member]	Deligiannakis Antonios	en
Contributor [Committee Member]	Δεληγιαννακης Αντωνιος	el
Publisher	Technical University of Crete	en
Publisher	Πολυτεχνείο Κρήτης	el
Academic Unit	Technical University of Crete::School of Electronic and Computer Engineering	en
Academic Unit	Πολυτεχνείο Κρήτης::Σχολή Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών	el
Content Summary	Scatter radio has emerged as a key enabling technology for low-cost and large scale ubiquitous sensing. Radio frequency identification (RFID) tags/sensors utilize scatter radio technology to transfer sensed information to readers, typically employing Gen2, the industrial RFID protocol. This work offers a complete software-defined radio Gen2 reader, based on GNU Radio and USRP2 commodity software defined radio (SDR) platform. In sharp contrast to prior art, a single radio front end card is used with coherent detection and optimal exploitation of the FM0 line coding memory. The reader can act as a research tool to experiment with state-of-the-art signal processing algorithms and RFID devices. The two tag collision problem is studied and problems that arise in a real world system, such as channel estimation and tag symbol synchronization are highlighted. Experimental measurements are conducted and it is shown that the reader can identify a commercial, passive UHF RFID tag up to 6 meters with acceptable reliability. In addition, it is shown that collision recovery algorithms can increase performance of the implemented reader. Furthermore, an implementation of a SDR reader for a wireless backscatter sensor network (BSN) is presented. The developed reader implements noncoherent frequency shift keying (FSK) detection. The reader can decode multiple tags in real time and achieves communication ranges with semi-passive tags/sensors up to 130 meters.	en
Type of Item	Μεταπτυχιακή Διατριβή	el
Type of Item	Master Thesis	en
License	http://creativecommons.org/licenses/by/4.0/	en
Date of Item	2015-08-24	-
Date of Publication	2015	-
Subject	Radio, Reconfigurable	en
Subject	Radio, Smart	en
Subject	Radio, Software	en
Subject	Reconfigurable radio	en
Subject	SDR (Software-defined radio)	en
Subject	Smart radio	en
Subject	Software-based radio	en
Subject	Software-defined radio	en
Subject	software radio	en
Subject	radio reconfigurable	en
Subject	radio smart	en
Subject	radio software	en
Subject	reconfigurable radio	en
Subject	sdr software defined radio	en
Subject	smart radio	en
Subject	software based radio	en
Subject	software defined radio	en
Subject	Identification systems, Radio frequency	en
Subject	RF/ID systems	en
Subject	RFID systems	en
Subject	radio frequency identification systems	en
Subject	identification systems radio frequency	en
Subject	rf id systems	en
Subject	rfid systems	en
Bibliographic Citation	Nikolaos Kargas, "SDR readers for Gen2 RFID and backscatter sensor networks ", Master Thesis, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2015	en

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SDR readers for Gen2 RFID and backscatter sensor networks

Kargas Nikolaos

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