Distributed Spectrum Sensing Using Low Cost Hardware

Stefan Grönroos, Kristian Nybom, Jerker Björkqvist, Juhani Hallio, Jani Auranen, Reijo Ekman

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Abstract

A distributed spectrum sensing network is prototyped using off the shelf hardware consisting of Raspberry Pi mini-computers and DVB-T receivers with software defined radio capabilities. Using the prototype network, coordinated, distributed wideband spectrum sensing is performed in a geographical area. The spectrum sensing data from the nodes is collected in a database. Well established low-complexity algorithms for distributed spectrum sensing are applied, and the results are compared against a professional spectrum sensing system. We show that with this simple low-cost setup, the decisions made on the availability of spectrum using the distributed sensing data correspond well with the decisions made on the reference data.
Original languageUndefined/Unknown
Pages (from-to)5–17
JournalJournal of Signal Processing Systems
Volume83
Issue number1
DOIs
Publication statusPublished - 2016
MoE publication typeA1 Journal article-refereed

Keywords

  • Raspberry Pi
  • Software Defined Radio
  • RTL-SDR
  • Spectrum sensing

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