THz and IR signaling through fog scintillations

Lothar Moeller, Ke Su, Robert B. Barat, John F. Federici

Research output: Contribution to conferencePaperpeer-review

5 Scopus citations

Abstract

We report Terahertz (THz) and Infrared (IR) freespace signaling through fog and analyze impairments in both links caused by local refraction index changes in the propagation paths. Both channels carry a payload of 2. 5 Gb/s which is modulated on carriers at 625 GHz (THz signal) and 193 THz (IR signal). To study the impact of weather conditions on the link performance the beams are superposed and pass through the same fog cloud before they are simultaneously recorded and analyzed. Fog scintillations degrade the IR channel but do not measurably impact the THz signal. BER and power measurements describe the performance of the signals.

Original languageEnglish (US)
StatePublished - 2012
Event18th European Wireless Conference, EW 2012 - Poznan, Poland
Duration: Apr 18 2012Apr 20 2012

Other

Other18th European Wireless Conference, EW 2012
Country/TerritoryPoland
CityPoznan
Period4/18/124/20/12

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications

Keywords

  • Fog
  • Free space IR link
  • Propagation loss
  • Scintillation
  • THz communications
  • Weather

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