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Table 1 Characteristics of different transceiver simulation models.

From: Simulation and Emulation of MIMO Wireless Baseband Transceivers

Model/Platform Characteristics Scope (used for )
Floating-point/SW Simulation Fast (runtime) Algorithm development
  Far from hardware (HW) (data and control path) Reference for other models
Fixed-point/SW Simulation Slow (runtime) Golden model for HDL
  Same data path as HW Debug data path
  Different control path  
  Not cycle-true  
HDL/Simulator Slow (runtime) Debug control path
  Data and control path as in final ASIC Cycle-accurate: determine latencies
HDL/FPGA Fast (runtime) Performance, fixed-point characterization
  Accelerated HDL simulation Large coverage of functional runs
   Regression runs