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Proceedings Paper

Medium-range terrestrial propagation study at 28 GHz
Author(s): Scott Marin; William Myers; Donnie Burt
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Paper Abstract

Millimeter wave communications systems experience variation in propagation due to rain and other causes. This paper describes a 7.25 km experimental link at 28 GHz in Dallas, Texas used for studying propagation effects. Received signal data was collected at 30 second intervals over a five month period. The data shows the effects of clear air variation and rain fade loss. Weather data including rain rate was also collected at 1 minute intervals at the transmit and receive sites. During the observation period, rain rates greater than 38 mm/hr and fades greater than 44 dB occurred less than 0.01% of the time. During rain fades, the received signal varied at a maximum rate of 0.3 dB/sec. Rain fades of 20 dB or less extended for duration of 40 minutes. During clear days, signal variations of up to 7 dB occurred including enhancement and attenuation. The standard deviation of clear air fading was about 1 dB.

Paper Details

Date Published: 23 January 1998
PDF: 11 pages
Proc. SPIE 3232, Wireless Technologies and Systems: Millimeter-Wave and Optical, (23 January 1998); doi: 10.1117/12.301032
Show Author Affiliations
Scott Marin, Bosch Telecom, Inc. (United States)
William Myers, Bosch Telecom, Inc. (United States)
Donnie Burt, Bosch Telecom, Inc. (United States)

Published in SPIE Proceedings Vol. 3232:
Wireless Technologies and Systems: Millimeter-Wave and Optical
Paul Christopher; Leland Langston; G. Stephen Mecherle, Editor(s)

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