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Proceedings Paper

High availability of hybrid wireless networks
Author(s): Erich Leitgeb; Michael Gebhart; Ulla Birnbacher; Wolfgang Kogler; Peter Schrotter
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Paper Abstract

Free Space Optical (FSO) links offer high bandwidth and the flexibility of wireless communication links. However, the availability of FSO links is limited by weather patterns like fog and heavy snowfall. Microwave based communication links operating at high frequencies (40 - 43 GHz) have similar characteristics like high data rates and needed line-of-sight. Link availability for microwave systems is limited by heavy rain. Combining FSO links with microwave links within a hybrid FSO/microwave communication network has the advantage of added redundancy and higher link availability. Measurements over a period of one year show a combined availability of 99.93% for the climatic region of Graz (Austria) which proves that the combination of both technologies leads to a highly available wireless connection offering high bandwidth.

Paper Details

Date Published: 10 September 2004
PDF: 12 pages
Proc. SPIE 5465, Reliability of Optical Fiber Components, Devices, Systems, and Networks II, (10 September 2004); doi: 10.1117/12.545456
Show Author Affiliations
Erich Leitgeb, Technische Univ. Graz (Austria)
Michael Gebhart, Technische Univ. Graz (Austria)
Ulla Birnbacher, Technische Univ. Graz (Austria)
Wolfgang Kogler, Technische Univ. Graz (Austria)
Peter Schrotter, Technische Univ. Graz (Austria)

Published in SPIE Proceedings Vol. 5465:
Reliability of Optical Fiber Components, Devices, Systems, and Networks II
Hans G. Limberger; M. John Matthewson, Editor(s)

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