The effect of fading and shadowing on channel reuse in mobile radio

Co-channel interference probabilities are calculated for mobile radio systems operating in a Rayleigh fading lognormal shadowing environment with inverse fourth power law dependence of area mean signal level on range. Interference levels are shown to be high even with generous reuse distances. The r...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 1979-08, Vol.28 (3), p.171-181
Main Author: French, R.C.
Format: Article
Language:English
Subjects:
Amplitude modulation
Base stations
Channel spacing
Density functional theory
Fading
Interchannel interference
Land mobile radio
Narrowband
Predictive models
Shadow mapping
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Summary:Co-channel interference probabilities are calculated for mobile radio systems operating in a Rayleigh fading lognormal shadowing environment with inverse fourth power law dependence of area mean signal level on range. Interference levels are shown to be high even with generous reuse distances. The results are used to calculate spectrum utilization using reasonable but tentative estimates of protection ratio and channel spacing for SSB systems. On this basis SSB offers a higher spectral efficiency than current 25 kHz spaced FM systems.
ISSN:0018-9545
1939-9359
DOI:10.1109/T-VT.1979.23788