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This paper proposes a unified framework for the hardware/software codesign of body sensor network applications that aims to enhance both modularity and reusability. The proposed framework consists of a Unified Modeling Language (UML) 2 profile for TinyOS applications and a corresponding simulator. The UML profile allows for the description of the low-level details of the hardware simulator, thereby...
The execution speed of classical HW-centric State Charts can be improved by at least one magnitude when migrating from a clock based execution to a transaction event based execution. Applying control flow abstraction, e.g. migrating from transaction event triggers to block transfer triggers, gives a further improvement in execution speed. Timing accuracy is preserved by separation of time and control...
Software Defined Radio (SDR) terminals are crucial to enable seamless and transparent inter-working between fourth generation wireless access systems or communication modes. On the longer term, SDRs will be extended to become cognitive radios enabling efficient spectrum usage. Future communication modes will have heavy hardware resource requirements and switching between them will introduce dynamism...
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