Journal of Systems and Software
A real-time hardware-software codesign technique of network protocols to provide QoS
Proceedings of the 2009 International Conference on Hybrid Information Technology
A BBN-based framework for adaptive IP-reuse
Proceedings of the 6th FPGAworld Conference
Hardware/software co-design using Bayesian belief networks
SIP'06 Proceedings of the 5th WSEAS international conference on Signal processing
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In heterogeneous system design, partitioning of the functional specifications into hardware (HW) and software (SW) components is an important procedure. Often, an HW platform is chosen, and the SW is mapped onto the existing partial solution, or the actual partitioning is performed in an ad hoc manner. The partitioning approach presented is novel in that it uses Bayesian belief networks (BBNs) to categorize functional components into HW and SW classifications. The BBNpsilas ability to propagate evidence permits the effects of a classification decision that is made about one function to be felt throughout the entire network. In addition, because BBNs have a belief of hypotheses as their core, a quantitative measurement as to the correctness of a partitioning decision is achieved. A methodology for automatically generating the qualitative structural portion of BBN and the quantitative link matrices is given. A case study of a programmable thermostat is developed to illustrate the BBN approach. The outcomes of the partitioning process are discussed and placed in a larger design context, which is called model-based codesign.