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https://doi.org/10.21256/zhaw-3333Full metadata record
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Küng, Roland | - |
| dc.contributor.author | Koller, Marcel | - |
| dc.date.accessioned | 2019-04-04T12:42:16Z | - |
| dc.date.available | 2019-04-04T12:42:16Z | - |
| dc.date.issued | 2013 | - |
| dc.identifier.isbn | 978-2-87487-031-6 | de_CH |
| dc.identifier.uri | https://ieeexplore.ieee.org/document/6686814 | de_CH |
| dc.identifier.uri | https://digitalcollection.zhaw.ch/handle/11475/16473 | - |
| dc.description.abstract | In UHF (Ultra High Frequency) RFID (Radio Frequency Identification) systems Rx (Receiver) is usually isolated from Tx (Transmitter) by a circulator or a directional coupler. Since tags become more sensitive in order to improve reading distance, the relatively poor isolation of 20dB – 30dB limits the tag to reader link. A way to improve a directional coupler’s isolation is to mismatch the unused port to generate a carrier cancelling signal. In this paper an impedance network using digitally tunable capacitors is proposed. The advantage of this solution is that changes in the system – like antenna characteristics or cable length - can be recalibrated at any time by a controller. Finally an isolation of minimum 47dB for any antenna characteristic (minimum return loss of 18dB) and any cable length was reached. Also an algorithm was implemented on a simple MSP430 controller to find the optimum impedance to minimize carrier leakage. | de_CH |
| dc.language.iso | en | de_CH |
| dc.publisher | IEEE | de_CH |
| dc.rights | Licence according to publishing contract | de_CH |
| dc.subject | RFID | de_CH |
| dc.subject | Reader | de_CH |
| dc.subject | UHF | de_CH |
| dc.subject | Suppression | de_CH |
| dc.subject.ddc | 004: Informatik | de_CH |
| dc.subject.ddc | 621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnik | de_CH |
| dc.title | Adaptive carrier supression for UHF RFID using digitally tunable capacitors | de_CH |
| dc.type | Konferenz: Paper | de_CH |
| dcterms.type | Text | de_CH |
| zhaw.departement | School of Engineering | de_CH |
| zhaw.organisationalunit | Institute of Signal Processing and Wireless Communications (ISC) | de_CH |
| dc.identifier.doi | 10.21256/zhaw-3333 | - |
| zhaw.conference.details | 2013 European Microwave Conference, Nuremberg, Germany, 6-10 October 2013 | de_CH |
| zhaw.funding.eu | No | de_CH |
| zhaw.originated.zhaw | Yes | de_CH |
| zhaw.publication.status | acceptedVersion | de_CH |
| zhaw.publication.review | Peer review (Abstract) | de_CH |
| zhaw.title.proceedings | Proceedings of the 43rd European Microwave Conference | de_CH |
| Appears in collections: | Publikationen School of Engineering | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| adaptive_carrier_suppression_koller_kueng.pdf | 1.03 MB | Adobe PDF |  View/Open |
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Küng, R., & Koller, M. (2013). Adaptive carrier supression for UHF RFID using digitally tunable capacitors. Proceedings of the 43rd European Microwave Conference. https://doi.org/10.21256/zhaw-3333
Küng, R. and Koller, M. (2013) ‘Adaptive carrier supression for UHF RFID using digitally tunable capacitors’, in Proceedings of the 43rd European Microwave Conference. IEEE. Available at: https://doi.org/10.21256/zhaw-3333.
R. Küng and M. Koller, “Adaptive carrier supression for UHF RFID using digitally tunable capacitors,” in Proceedings of the 43rd European Microwave Conference, 2013. doi: 10.21256/zhaw-3333.
KÜNG, Roland und Marcel KOLLER, 2013. Adaptive carrier supression for UHF RFID using digitally tunable capacitors. In: Proceedings of the 43rd European Microwave Conference [online]. Conference paper. IEEE. 2013. ISBN 978-2-87487-031-6. Verfügbar unter: https://ieeexplore.ieee.org/document/6686814
Küng, Roland, and Marcel Koller. 2013. “Adaptive Carrier Supression for UHF RFID Using Digitally Tunable Capacitors.” Conference paper. In Proceedings of the 43rd European Microwave Conference. IEEE. https://doi.org/10.21256/zhaw-3333.
Küng, Roland, and Marcel Koller. “Adaptive Carrier Supression for UHF RFID Using Digitally Tunable Capacitors.” Proceedings of the 43rd European Microwave Conference, IEEE, 2013, https://doi.org/10.21256/zhaw-3333.
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