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Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks

Abstrakt

This paper presents results of investigation on the coherence bandwidth of narrowband radio channels in 430MHz band. The coherence bandwidth values were estimated froma power delay profile obtained by recording CDMA2000 forward channel signals during real-fieldmeasurements in various environments:mediumcity, flat terrain, and hilly terrain in northern Poland.The results of measurements are compared with characteristic parameters of UHF radio channel models defined for exemplary narrowband digital system from the TETRA standard. In all of the tested environments, the coherence bandwidth values during most of an observation time were much higher than 25 kHz.Therefore, the fading in tested UHF narrowband channels should be classified as flat fading.

Cytowania

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
International Journal of Antennas and Propagation nr 2015, strony 1 - 11,
ISSN: 1687-5869
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Sadowski J.: Measurement of Coherence Bandwidth in UHF Radio Channels for Narrowband Networks// International Journal of Antennas and Propagation. -Vol. 2015, nr. 985892 (2015), s.1-11
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1155/2015/985892
Weryfikacja:
Politechnika Gdańska

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