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摘要
En 中文
The multimedia capabilities in battery powered mobile communication devices should be provided at high energy efficiency. Consequently, the hardware is usually implemented using low-power technology and the hardware architectures are optimized for embedded computing. Software architectures, on the other hand, are not embedded system specific, but closely resemble each other for any computing device. The popular architectural principle, software layering, is responsible for much of the overheads, and explains the stagnation of active usage times of mobile devices. In this paper, we consider the observed developments against the needs of multimedia applications in mobile communication devices and quantify the overheads in reference implementations.
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