2007 IEEE International Conference on RFID 2007
DOI: 10.1109/rfid.2007.346148
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Fundamental Limitations on Reading Range of Passive IC-Based RFID and SAW-Based RFID

Abstract: For the first time, fundamental read-range limitations are calculated for two major types of "passive" (i.e. batteryless) RFID systems. Many applications require large read range. But, in shorter range applications excess read range provides read-path signal margin which enhances reading reliability, signal penetration, and/or flexibility in RFID system design, layout, and installation. Analysis was restricted to passive technologies because passive tags are required for the majority of future RFID application… Show more

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Cited by 32 publications
(17 citation statements)
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“…The only limitation of these tags is thus given by the reader's sensitivity, which is generally better than chip-based tag's sensitivity. Therefore SAW tags have better reading ranges than passive tags (Hartman & Clairborne (2007)). Their main disadvantage is their inability to have cryptographic features or memory registers to write information.…”
Section: Antenna and Integrated Circuit Designmentioning
confidence: 99%
See 1 more Smart Citation
“…The only limitation of these tags is thus given by the reader's sensitivity, which is generally better than chip-based tag's sensitivity. Therefore SAW tags have better reading ranges than passive tags (Hartman & Clairborne (2007)). Their main disadvantage is their inability to have cryptographic features or memory registers to write information.…”
Section: Antenna and Integrated Circuit Designmentioning
confidence: 99%
“…Since the size of antennas for metallic objects can result quite large, the authors in (Chen (2009)) have proposed a method to reduce the size of this type of antenna by introducing a conducting line that increases the inductance of the antenna without the need of increasing its size. Since UHF tags are limited by the activation threshold of the chip and by the efficiency of the energy harvesting mechanism, lowering power consumption is crucial in improving reliability (Hartman & Clairborne (2007)). Reduction of power consumption can be achieved in different ways.…”
Section: Antenna and Integrated Circuit Designmentioning
confidence: 99%
“…And fundamental read range limitations about two major types of passive (i.e. batteryless) RFID were calculated by Hartman for the first time [11]. The analysis showed 2.4GHz SAW based RFID potentially, not really, had a 30X read range superiority compared to passive IC based RFID operating 900MHz.…”
Section: ) Long Transmission Rangementioning
confidence: 99%
“…The electromagnetic to mechanical wave conversion broadens SAW's sensor range [13]. Besides having superior range, SAW sensors are also small in size, resistant to rugged environment and perform well near any metal.…”
Section: Introductionmentioning
confidence: 99%