Kriterien zur Bewertung der Qualitaet digitaler Signaluebertragung

摘要

Appropriate quality parameters are necessary for the evaluation of digital transmission systems. Different well-known quality parameters, such as error probability and signal-to-noise ratio, are analyzed. These criteria have to take the typical disturbances like intersymbol interference (ISI), interchannel interference (ICI), multi-access interference (MAI) or noise disturbances into account adequately in order to obtain meaningful results. Unfavorable chosen quality criterions don't lead to practice-relevant results and therefore their application for optimizing digital transmission systems is limited.