Wideband optical propagation measurement system for characterization of indoor optical wireless channels

Mohsen Kavehrad, Jarir Fadlullah

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

The main objective of the presented research is to characterize an indoor wireless optical communication channel. Until recently, there have not been any comprehensive published measurements results presenting characteristics of this channel for high data rates, e. g. 1Gbit/s. To this end, a measurement setup is implemented, with a high-power laser diode acting as the optical transmitter and an avalanche photodiode acting as the receiver. Using a network analyzer, the laser is modulated by CW frequencies up to 1 GHz, which is the bandwidth of the receiver, as limited by the intrinsic capacitance and the response-time of the avalanche photodiode. A single collimated optical spot with a small elliptical shape on the ceiling is tested. The impacts of receiver orientation and configuration on the channel frequency response are investigated. These measurements will enable us to explore the possibility of higher data transmission rates, potentially beyond 1 Gbps, on indoor optical wireless channels. These channels can be a viable alternative to inherently insecure and interference-prone RF wireless channels, and therefore, could be the basis of next-generation high data rate wireless local area networks.

Original languageEnglish (US)
Title of host publicationBroadband Access Communication Technologies IV
Volume7620
DOIs
StatePublished - Mar 22 2010
EventBroadband Access Communication Technologies IV - San Francisco, CA, United States
Duration: Jan 27 2010Jan 28 2010

Other

OtherBroadband Access Communication Technologies IV
CountryUnited States
CitySan Francisco, CA
Period1/27/101/28/10

Fingerprint

Optical Wireless
Light propagation
Measurement System
Avalanche Photodiode
Avalanche photodiodes
Receiver
Propagation
broadband
propagation
receivers
High Power Diode Laser
Wireless Local Area Network (WLAN)
Ceiling
Electric network analyzers
Optical Communication
avalanches
High power lasers
Ceilings
photodiodes
Communication Channels

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Applied Mathematics
  • Condensed Matter Physics

Cite this

Kavehrad, M., & Fadlullah, J. (2010). Wideband optical propagation measurement system for characterization of indoor optical wireless channels. In Broadband Access Communication Technologies IV (Vol. 7620). [76200E] https://doi.org/10.1117/12.840266
Kavehrad, Mohsen ; Fadlullah, Jarir. / Wideband optical propagation measurement system for characterization of indoor optical wireless channels. Broadband Access Communication Technologies IV. Vol. 7620 2010.
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Kavehrad, M & Fadlullah, J 2010, Wideband optical propagation measurement system for characterization of indoor optical wireless channels. in Broadband Access Communication Technologies IV. vol. 7620, 76200E, Broadband Access Communication Technologies IV, San Francisco, CA, United States, 1/27/10. https://doi.org/10.1117/12.840266

Wideband optical propagation measurement system for characterization of indoor optical wireless channels. / Kavehrad, Mohsen; Fadlullah, Jarir.

Broadband Access Communication Technologies IV. Vol. 7620 2010. 76200E.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Kavehrad M, Fadlullah J. Wideband optical propagation measurement system for characterization of indoor optical wireless channels. In Broadband Access Communication Technologies IV. Vol. 7620. 2010. 76200E https://doi.org/10.1117/12.840266