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Portable wireless multimedia approaches traditionally achieve the specified performance and power consumption with a hardwired accelerator implementation. Due to the increase of algorithm complexity (Shannon's law), flexibility is needed to achieve shorter development cycles. A coarse-grained reconfigurable computing concept for these requirements is discussed, which supports both flexible control decisions and repetitive numerical operations. The concept includes an architecture template and a compiler and simulator environment. The architecture provides flexible time-multiplexing of code for high-performance data processing while keeping the configuration bandwidth and power requirements low. The purpose of this study is to use the coarse-grained architecture for H264/AVC in order to determine at the physical level whether reconfigurable computing, high-performance and low-power can be obtained.
Date of Conference: 24-26 Aug. 2005