900-MHz multipath propagation measurements for U.S. digital cellular radiotelephone

Theodore S. Rappaport, Scott Y. Seidel, Rajendra Singh

Research output: Contribution to journalArticle

Abstract

The results of multipath power delay profile measurements of 900-MHz mobile radio channels in Washington, DC, Greenbelt, MD, Oakland, CA, and San Francisco, CA, are presented. The measurements have focused on acquiring worst-case profiles for typical operating locations. The data reveal that at over 98% of the measured locations, root mean squre (RMS) delay spreads are less than 12 μs. Urban areas typically have RMS delay spreads on the order of 2-3 μs and continuous multipath power out to excess delays of 5 μs. In hilly residential areas and in open areas within a city, RMS delay spreads are slightly larger, typically having values of 5-7 μs. In very rare instances, reflections from city skylines and mountains can cause RMS delay spreads in excess of 20 μs. The worst-case profiles show resolvable diffuse multipath components at excess delays of 100 μs and amplitudes 18 dB below that of the first arriving signal.

Original languageEnglish (US)
Pages (from-to)132-139
Number of pages8
JournalIEEE Transactions on Vehicular Technology
Volume39
Issue number2
DOIs
StatePublished - May 1990

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Multipath propagation
Multipath
Propagation
Roots
Excess
Skyline
Urban Areas
Profile

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  • Computer Networks and Communications

Cite this

900-MHz multipath propagation measurements for U.S. digital cellular radiotelephone. / Rappaport, Theodore S.; Seidel, Scott Y.; Singh, Rajendra.

In: IEEE Transactions on Vehicular Technology, Vol. 39, No. 2, 05.1990, p. 132-139.

Research output: Contribution to journalArticle

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