NDLI: Fading characteristics of a geographically fixed, normally line of sight, 450 MHz radio channel in the Southeastern United States

Content Provider	IEEE Xplore Digital Library
Author	Patterson, G.N.
Copyright Year	1990
Description	Author affiliation: BellSouth Services Inc., Birmingham, AL, USA (Patterson, G.N.)
Abstract	Described are the fading characteristics of a normally line-of-sight, fixed-station 450 MHz radio path, which can be typical of paths encountered in a basic exchange telecommunications radio (BETR) system in the southeastern United States. The fading parameters of the radio channel examined are slope and attenuation, the characteristics of which are expressed with density functions and cumulative distributions of data gathered over a 5 and a 1/2 month period. The knowledge derived from these measurements should permit more accurate radio system engineering and aid in determining BETR system requirements for this region of the country. One application of this information will be to determine the optimum fade margins for the design of BETR installations. This will allow the greatest possible range of service without degrading system availability, a consequence of excessive fade margins. The slope information is useful in predicting the bit error rate performance of 450 MHz digital radio systems in determination of the need for adaptive equalization.<>
Starting Page	1172
Ending Page	1176
File Size	214524
Page Count	5
File Format	PDF
DOI	10.1109/ICC.1990.117256
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-04-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Attenuation Density functional theory Knowledge engineering Systems engineering and theory Degradation Availability Bit error rate Digital communication Adaptive equalizers
Content Type	Text
Resource Type	Article

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