A novel passive phase modulator based on LH delay lines for chipless microwave RFID applications

Mandel, Christian; Schüßler, Martin; Maasch, Matthias; Jakoby, Rolf

doi:10.1109/imws2.2009.5307891

Cited by 51 publications

(25 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The aforementioned approach [3] provides only 4 possible trajectories in signal space to realize symbol values. That means, that only 4 phase states can be realized for a given magnitude.…”

Section: Chipless Time Domain Rfidmentioning

confidence: 99%

“…To overcome the limitations of on-off keying systems, higher order modulation has been introduced for time domain [3] and later for frequency domain [4], [5] tags. The introduced schemes resemble more or less the well-known higher order modulation schemes in classical communications, but in contrast to them, there's no baseband processing involved, the modulation is performed at the RF carrier frequency.…”

Section: Introductionmentioning

confidence: 99%

“…The introduced schemes resemble more or less the well-known higher order modulation schemes in classical communications, but in contrast to them, there's no baseband processing involved, the modulation is performed at the RF carrier frequency. For time domain tags, the highest order implemented is a QPSK scheme, leading to an information density of 2 bit per symbol [3].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Higher order pulse modulators for time domain chipless RFID tags with increased information density

Mandel

Schubler

Nickel

et al. 2015

2015 European Microwave Conference (EuMC)

View full text Add to dashboard Cite

This paper introduces three novel passive phase modulators for entirely electromagnetic chipless time domain RFID tags. The modulators overcome limitations of earlier approaches and allow for a highly increased signal space coverage, and, therefore, the implementation of high order PSK or QAM schemes. All three modulators are studied in theory and practically implemented up to a 16-PSK on a reconfigurable prototype tag with 4 modulation stages, realizing a 16 bit information content. Besides showing the measurement results, the assets and drawbacks of the three approaches are carefully compared and the achieved information density is related with approaches from literature.

show abstract

“…The aforementioned approach [3] provides only 4 possible trajectories in signal space to realize symbol values. That means, that only 4 phase states can be realized for a given magnitude.…”

Section: Chipless Time Domain Rfidmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Higher order pulse modulators for time domain chipless RFID tags with increased information density

Mandel

Schubler

Nickel

et al. 2015

2015 European Microwave Conference (EuMC)

View full text Add to dashboard Cite

show abstract

“…Many of them are based on the split ring resonator (SRR) [24,[151][152][153][154][155][156][157][158][159], and many others on the CRLH transmission line [160][161][162][163][164][165][166][167][168][169][170][171][172][173][174], mainly reported by the Group of Professor R. Jakoby at Darmstadt (Germany).…”

Section: Applications Of Metamaterials Transmission Lines (Part Iii): mentioning

confidence: 99%

Metamaterials for Wireless Communications, Radiofrequency Identification, and Sensors

Martín

2012

ISRN Electronics

View full text Add to dashboard Cite

This paper is focused on the application of concepts derived from metamaterials to the development of novel devices, circuits, and antennas of interest in wireless communications, radiofrequency identification (RFID), and sensors. Specifically, it is shown that artificial transmission lines based (or inspired) on metamaterials exhibit interesting properties, useful for the implementation of high-performance and compact devices as well as novel functional devices. Thanks to the presence of reactive loading elements in such artificial lines, the main line parameters, that is, the characteristic impedance and the phase constant, can be engineered. This has opened new paths for RF and microwave circuit and antenna design on the basis of impedance and dispersion engineering.

show abstract

“…Many designs are now available and one can classify the tags depending on their coding. The tags can be coded in the time domain [5][6][7][8][9][10][11], or in the frequency domain [12][13][14][15][16][17]. Currently, the best performance in terms of coding capacity and miniaturization is achieved by frequency encoded chipless tags.…”

Section: Introductionmentioning

confidence: 99%

A Novel Polarization Independent Chipless Rfid Tag Using Multiple Resonators

Laila¹,

Thomas²,

Nijas³

et al. 2015

PIER Letters

View full text Add to dashboard Cite

Abstract-A novel polarization independent RFID tag employing multiple resonators is proposed. The prototype of the tag is fabricated on a low-cost substrate of dielectric constant 4.4 and loss tangent 0.02. Designing a reader for chipless RFID is a hard task since both the polarization and operating frequency agility have to be implemented. The new tag design proposed in this paper is polarization independent, making the design of the reader easier. A prototype of a 3 bit data encoded tag is demonstrated using single structure which can be extended to any order by cascading. This new design is experimentally validated in the frequency domain using monostatic measurement with magnitude response to decode the information.

show abstract

A novel passive phase modulator based on LH delay lines for chipless microwave RFID applications

Cited by 51 publications

References 4 publications

Higher order pulse modulators for time domain chipless RFID tags with increased information density

Higher order pulse modulators for time domain chipless RFID tags with increased information density

Metamaterials for Wireless Communications, Radiofrequency Identification, and Sensors

A Novel Polarization Independent Chipless Rfid Tag Using Multiple Resonators

Contact Info

Product

Resources

About