James A. Hoffmeyer; Timothy J. Riley

Abstract: This report describes the interim results of an 18–month digital microwave transmission network performance and propagation measurement project that was conducted on a portion of the Defense Communications System (DCS) in West Germany. Only the first 12 months of data are summarized in this report. More than 3 gigabytes of data were collected between April 1988 and March 1989. The report provides the results of bit error rate measurements made at the 56-kb/s user level on one long (99-km) line–of–sight (LOS) link and at the 64-kb/s user level on two end–to–end channels consisting of multiple LOS and/or troposcatter radio links. The report also provides summaries of 12 months of received–signal–level (rsl) measurements on five LOS links and one troposcatter link.

Keywords: multipath fading; propagation measurements; DEB; DRAMA; digital radio performance; LOS propagation; military standard (MIL-STD); radio outages; transmission system performance standards; troposcatter

To request a reprint of this report, contact:

Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572

Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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