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Journal of RF-Engineering and Telecommunications

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Volume 70, Issue 3-4


Multi-Antenna Data Collector for Smart Metering Networks with Integrated Source Separation by Spatial Filtering

Philipp Quednau
  • Corresponding author
  • Institute of Microwaves and Photonics, Friedrich-Alexander University of Erlangen-Nuremberg, Lehrstuhl für Hochfrequenztechnik (LHFT), Erlangen, Germany
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/ Ralph Trommer
  • Institute of Microwaves and Photonics, Friedrich-Alexander University of Erlangen-Nuremberg, Lehrstuhl für Hochfrequenztechnik (LHFT), Erlangen, Germany
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/ Lorenz-Peter Schmidt
  • Institute of Microwaves and Photonics, Friedrich-Alexander University of Erlangen-Nuremberg, Lehrstuhl für Hochfrequenztechnik (LHFT), Erlangen, Germany
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Published Online: 2016-02-16 | DOI: https://doi.org/10.1515/freq-2015-0214


Wireless transmission systems in smart metering networks share the advantage of lower installation costs due to the expandability of separate infrastructure but suffer from transmission problems. In this paper the issue of interference of wireless transmitted smart meter data with third party systems and data from other meters is investigated and an approach for solving the problem is presented. A multi-channel wireless m-bus receiver was developed to separate the desired data from unwanted interferers by spatial filtering. The according algorithms are presented and the influence of different antenna types on the spatial filtering is investigated. The performance of the spatial filtering is evaluated by extensive measurements in a realistic surrounding with several hundreds of active wireless m-bus transponders. These measurements correspond to the future environment for data-collectors as they took place in rural and urban areas with smart gas meters equipped with wireless m-bus transponders installed in almost all surrounding buildings.

Keywords: spatial filter; smart grid; smart metering


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About the article

Received: 2015-10-09

Published Online: 2016-02-16

Published in Print: 2016-03-01

Citation Information: Frequenz, Volume 70, Issue 3-4, Pages 137–148, ISSN (Online) 2191-6349, ISSN (Print) 0016-1136, DOI: https://doi.org/10.1515/freq-2015-0214.

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