NDLI: Medium Wave Digital Radio Mondiale (DRM) Field Strength Time Variation in Different Reception Environments

Content Provider	IEEE Xplore Digital Library
Author	Guerra, D. Gil, U. de la Vega, D. Prieto, G. Arrinda, A. Ordiales, J.L. Angueira, P.
Copyright Year	1963
Abstract	This paper examines the temporal variability in fixed reception of the ground-wave propagated DRM (Digital Radio Mondiale) signal. This field strength analysis in the medium wave band has been performed using the first Spanish DRM field trial. Several fixed reception points located along radial routes provided the field strength sample distributions in rural and suburban areas. Additionally a second measurement campaign was carried out in several dense and open areas of downtown Madrid. The maximum likelihood estimations and logarithmic functions were used to analyse the fit of the experimental data with theoretical statistical distributions. A deep analysis of the most important parameters of the distribution has been carried out in order to characterize the field strength behavior in the different reception situations. It has been taken into account the influence of environment, measurement time interval, distance to the transmitter and the presence of critical reception impairments. The most remarkable result of this study has shown that the time variability of the ground-wave medium wave DRM channel is well approximated by a Log Normal and also by a Nakagami process. The Log Normal distribution is preferred as it is the one considered by the analog medium wave broadcasts for the ground-wave propagation case
Sponsorship	IEEE Broadcast Technology Society
Starting Page	483
Ending Page	491
Page Count	9
File Size	1054806
File Format	PDF
ISSN	00189316
Volume Number	52
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital Radio Mondiale Digital audio broadcasting Radio broadcasting Frequency Statistical distributions Radio transmitters Digital communication Availability Predictive models Gas insulated transmission lines statistical modeling Digital AM digital audio broadcasting digital radio DRM medium wave statistical distributions statistical inference
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Media Technology

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