Characterization of Fibre-Channel over highly turbulent optical wireless links

Gary W. Johnson; Bruce D. Henderer; Jeffrey W. Wilburn; Anthony J. Ruggiero

doi:10.1117/12.509579

27 January 2004 Characterization of FibreChannel over highly turbulent optical wireless links

Gary W. Johnson, Bruce D. Henderer, Jeffrey W. Wilburn, Anthony J. Ruggiero

Proceedings Volume 5160, Free-Space Laser Communication and Active Laser Illumination III; (2004) https://doi.org/10.1117/12.509579
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

We report on the performance characterization and issues associated with using Fibre Channel (FC) over a highly turbulent free-space optical (FSO) link. Fibre Channel is a storage area network standard that provides high throughput with low overhead. Extending FC to FSO links would simplify data transfer from existing high-bandwidth sensors such as synthetic aperture radars and hyperspectral imagers. We measured the behavior of FC protocol at 1 Gbps in the presence of synthetic link dropouts that are typical of turbulent FSO links. Results show that an average bit error rate of less than 2E-8 is mandatory for adequate throughput. More importantly, 10 ns dropouts at a 2 Hz rate were sufficient to cause long (25 s) timeouts in the data transfer. Although no data was lost, this behavior is likely to be objectionable for most applications. Prospects for improvements in hardware and software will be discussed.

Citation Download Citation

Gary W. Johnson, Bruce D. Henderer, Jeffrey W. Wilburn, and Anthony J. Ruggiero "Characterization of FibreChannel over highly turbulent optical wireless links", Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, (27 January 2004); https://doi.org/10.1117/12.509579

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