Where is the Tag?

Miesen, Robert; Ebelt, Randolf; Kirsch, Fabian; Schäfer, Tobias; Li, Gang; Wang, Haowei; Vossiek, Martin

doi:10.1109/mmm.2011.942730

Cited by 86 publications

(29 citation statements)

References 56 publications

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“…For precise measurements it is desirable to eliminate these effects as much as possible. Because shorter signals get less distorted and also require less processing time [8], only a single symbol is exchanged when measuring the distance [7].…”

Section: ) Measuring Distancesmentioning

confidence: 99%

Terrorist fraud resistance of distance bounding protocols employing physical unclonable functions

Kleber

Heijden

Kopp

et al. 2015

2015 International Conference and Workshops on Networked Systems (NetSys)

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Section: ) Measuring Distancesmentioning

confidence: 99%

Terrorist fraud resistance of distance bounding protocols employing physical unclonable functions

Kleber

Heijden

Kopp

et al. 2015

2015 International Conference and Workshops on Networked Systems (NetSys)

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“…When a sinusoidal signal is applied to the tuning terminal, the inherent oscillation frequency becomes (2) where is the tuning sensitivity and is the center frequency of the ILO. Based on the assumption that the ILO has a small tuning range, the locking range in (1) is given by (3) where represents the quality factor of ILO's tank circuit.…”

Section: A Sil Tagmentioning

confidence: 99%

Concurrent Vital Sign and Position Sensing of Multiple Individuals Using Self-Injection-Locked Tags and Injection-Locked I/Q Receivers With Arctangent Demodulation

Wang

Fang

Horng

et al. 2013

IEEE Trans. Microwave Theory Techn.

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Abstract-This work presents a wireless system that operates in the 2.4 GHz ISM band for concurrently sensing the vital signs and positions of multiple individuals. Characterized by low complexity and high accuracy, the proposed system consists of two main parts. One is a self-injection-locked (SIL) tag carried by a subject, which emits a sinusoidal frequency-modulated (SFM) signal with vital sign information. The other is a group of injection-locked (IL) I/Q receivers, which performs arctangent demodulation of the SFM signal to obtain the position information without using RF reference signals, and simultaneously extracts the vital sign information of the subject. In the experiment, the system is capable of sensing multiple individuals based on frequency division multiple access (FDMA) technique. Moreover, fidgeting effect on the detection of vital signs has been greatly reduced by a spectral product approach. Accordingly, it is demonstrated that the experimental prototype provides accurate information about the vital signs and positions of different individuals in an indoor environment.Index Terms-Arctangent demodulation, injection-locked (IL) I/Q receiver, self-injection-locked (SIL) tag, vital sign detection, wireless indoor positioning.

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“…Compared with other identification technology, RFID system has the advantage of non-contact communication, long reading range, low cost and easy-deployment. RFID tags are usually in small size and can be easily attached to the items [2].…”

Section: Introductionmentioning

confidence: 99%

A Novel Method Based on RFID Rotating Antenna for Indoor Localization

Zhang¹,

Zhao²,

Zhang³

et al. 2016

Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology

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Abstract. With the rapid growth IoT (Internet of Things), indoor positioning system has attracted significant interest, especially in complex environment. UHF RFID system has the potential to estimate the accurate location of indoor objects due to the long reading range and multi-tag identification capability. This paper introduces indoor localization system using a novel concept for robot based on a rotating UHF RFID antenna. A rotating platform is deployed on robot to rotate RFID antenna. It leverages Synthetic Aperture Radar (SAR) approach to locate robot position in real time when robot trajectory is indistinct or even unknown. The system is proved to be a promising solution with an average error with cm-level.

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Where is the Tag?

Cited by 86 publications

References 56 publications

Terrorist fraud resistance of distance bounding protocols employing physical unclonable functions

Terrorist fraud resistance of distance bounding protocols employing physical unclonable functions

Concurrent Vital Sign and Position Sensing of Multiple Individuals Using Self-Injection-Locked Tags and Injection-Locked I/Q Receivers With Arctangent Demodulation

A Novel Method Based on RFID Rotating Antenna for Indoor Localization

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