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Nexxim Simulator > Overview of Discrete Time Domain AnalysisA typical communications system for discrete time domain simulation (Figure 1) consists of: • A propagation channel, such as AWGN and Multi-path Fading channels • RF functional and electrical bandpass components for the RF transceiver • Functional baseband components for transmitter/receiver digital-signal processing
Arbitrary transmit/receive topologies may be simulated using discrete time analysis, including: • Carrier recovery • Phase locked loops • Bit synchronization • Frequency synthesizers • Symbol/bit-timing recovery • Arbitrary feedback and digital signal processing topologies Discrete time-signal analysis yields system performance (BER/ACPR) and a probable response in the time/spectral/sweep domains at any node. Discrete time-signal analysis applies both to mixed mode systems and also to systems with functional components only. Here are links to the subtopics for this overview of discrete time domain analysis: Discrete Time Simulation of Signals and Noise Discrete Time Simulation of Nonlinear Behavioral Components
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