A VHDL-based HW/SW cosimulation of communication systems

In this paper, we introduce homogeneous cosimulation method, which is suitable for modeling and simulation of systems comprising hardware (HW) and software (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, and also the ®nal system can be constructed from these models easily and rapidly using CAD tools. We have applied this method to ISDN user±net-work interface and discussed about its bene®ts and drawbacks.