A VHDL-based HW/SW cosimulation of communication systems

In this paper, we introduce homogeneous cosimulation method, which is suita ble for modeling and simulation of systems comprising hardware (HW) and sof tware (SW) components. In this method, a hardware description language with embedded programming capabilities (like VHDL) is used to model both HW/SW parts at any desired level of abstraction. Because of platform homogeneity, no sophisticated coordinator interface between HW/SW models is required, a nd also the final system can be constructed from these models easily and ra pidly using CAD tools. We have applied this method to ISDN user-network int erface and discussed about its benefits and drawbacks. (C) 2001 Elsevier Sc ience Ltd. All rights reserved.