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  4. SHF RFID system for automatic process optimization with intelligent tools
 
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2017
Conference Paper
Title

SHF RFID system for automatic process optimization with intelligent tools

Abstract
In this paper we present theoretical, simulated and measured data for a reader to tag communication RFID system at 5.8 GHz. First a theoretical link budget analysis for a reader to tag architecture is shown for a wireless industrial application at 1m distance. This includes a power budget of the passively powered transponder. The received power level of the backscattered data for the theoretical link budget is -52.5 dBm. For the first setup slot antennas are developed and measured in the anechoic chamber. The measured gain is 4.0 dB. The power of the backscatter data in setup 1 is - 74.8 dBm. This corresponds to the theoretical link budget since, all losses such as cable or lower antenna gain are taken into account. Setup2 is upgraded on the reader side with horn antennas. At 5.8 GHz, the gain reaches the value of 10.8 dB. The second setup shows improvement in the receiving backscattered power to a value of -62.4 dBm. Furthermore, as a solution to detect those transponders not presented in the main slope of the antenna, a steerable beam is introduced by means of a Rotman lens. On the topic of the passive transponder, different harvesting topologies at 5.8 GHz are investigated, and the efficiency simulation of the harvesting circuitry has been performed. The simulated efficiency of the implemented technique is 68 %.
Author(s)
Kuhn, Peter
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Haddadian, Sanaz
Heinz-Nixdorf Institut, Paderborn
Meyer, Frederic
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Hoffmann, Marc
ID4us, Duisburg
Grabmaier, Anton  
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Scheytt, J. Christoph
Heinz-Nixdorf Institut, Paderborn
Kaiser, Thomas
ID4us, Duisburg ; Uni DuE / DSV
Mainwork
Smart SysTech 2017, European Conference on Smart Objects, Systems and Technologies  
Funder
European Commission EC  
Conference
European Conference on Smart Objects, Systems and Technologies (Smart SysTech) 2017  
Language
English
Fraunhofer-Institut für Mikroelektronische Schaltungen und Systeme IMS  
Keyword(s)
  • 5.8 GHz

  • digital factory

  • link budget

  • life cycle management

  • power transmission

  • rectifier

  • RFID

  • super high frequency

  • transponder

  • wireless sensor networks

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