10 September 2004 High availability of hybrid wireless networks
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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.
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Erich Leitgeb, Erich Leitgeb, Michael Gebhart, Michael Gebhart, Ulla Birnbacher, Ulla Birnbacher, Wolfgang Kogler, Wolfgang Kogler, Peter Schrotter, Peter Schrotter, } "High availability of hybrid wireless networks", Proc. SPIE 5465, Reliability of Optical Fiber Components, Devices, Systems, and Networks II, (10 September 2004); doi: 10.1117/12.545456; https://doi.org/10.1117/12.545456
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