Multi-Level Functional Model of Performance Indicators for Ultra-Wideband Code Division Multiple Access Systems

Abstract

Modern ultra-wideband code division multiple access systems are characterized by high user density, substantial non-uniformity of signal energy characteristics, and strict constraints on the level of multiple access interference. Under such conditions, classical approaches to performance evaluation, focused on separate structural or energy criteria, do not provide a holistic view of system functioning and do not allow for the consistent solution of synthesis, analysis, and optimization problems [1–3]. A relevant direction of modern research is the formation of integrated models that combine indicators of different description levels and allow for evaluating the efficiency of multiple access systems taking into account the interrelation of structural, energy, and system characteristics.