UHF Fading in Factories

Theodore S. Rappaport; Clare D. McGillem

doi:10.1109/49.16842

UHF Fading in Factories

Theodore S. Rappaport, Clare D. McGillem

Research output: Contribution to journal › Article › peer-review

Abstract

There has been recent interest in characterizing UHF propagation within buildings and houses. Factory radio channels, however, have not been discussed previously in the literature. This paper details the results of narrow-band propagation measurements performed at five factories. The extensive empirical data indicate that path loss is dependent upon local surroundings and is log-normally distributed, temporal fading is Rician, and small-scale signal fluctuations due to receiver motion are primarily Rayleigh, although Rician and log-normal distributions fit some of the data. Shadowing effects of common factory equipment likely to obstruct indoor radio paths are also given here.

Original language	English (US)
Pages (from-to)	40-48
Number of pages	9
Journal	IEEE Journal on Selected Areas in Communications
Volume	7
Issue number	1
DOIs	https://doi.org/10.1109/49.16842
State	Published - Jan 1989

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/49.16842

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title = "UHF Fading in Factories",

abstract = "There has been recent interest in characterizing UHF propagation within buildings and houses. Factory radio channels, however, have not been discussed previously in the literature. This paper details the results of narrow-band propagation measurements performed at five factories. The extensive empirical data indicate that path loss is dependent upon local surroundings and is log-normally distributed, temporal fading is Rician, and small-scale signal fluctuations due to receiver motion are primarily Rayleigh, although Rician and log-normal distributions fit some of the data. Shadowing effects of common factory equipment likely to obstruct indoor radio paths are also given here.",

author = "Rappaport, {Theodore S.} and McGillem, {Clare D.}",

note = "Funding Information: Manuscript received January 14, 1988; revised August 22, 1988. This work was supported by the NSF Engineering Research Center under Grant CDR8500022, a GTE Graduate Fellowship in Electrical Engineering, and an EXXON Electrical Engineering Fellowship. This paper was presented in part at the URSI National Radio Science Meeting, Boulder, CO, January 5, 1988.",

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AB - There has been recent interest in characterizing UHF propagation within buildings and houses. Factory radio channels, however, have not been discussed previously in the literature. This paper details the results of narrow-band propagation measurements performed at five factories. The extensive empirical data indicate that path loss is dependent upon local surroundings and is log-normally distributed, temporal fading is Rician, and small-scale signal fluctuations due to receiver motion are primarily Rayleigh, although Rician and log-normal distributions fit some of the data. Shadowing effects of common factory equipment likely to obstruct indoor radio paths are also given here.

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UHF Fading in Factories

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