Networking

Self-Calibrated Energy-Efficient and Reliable Channels for On-Chip Interconnection Networks

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Executive Summary

Energy-efficient and reliable channels are provided for On-Chip Interconnection Networks (OCINs) using a self-calibrated voltage scaling technique with Self-Corrected Green (SCG) coding scheme. This self-calibrated low-power coding and voltage scaling technique increases reliability and reduces energy consumption simultaneously. The SCG coding is a joint bus and error correction coding scheme that provides a reliable mechanism for channels. In addition, it achieves a significant reduction in energy consumption via a joint triplication bus power model for crosstalk avoidance. Based on SCG coding scheme, the proposed self-calibrated voltage scaling technique adjusts voltage swing for energy reduction. Furthermore, this technique tolerates timing variations. Based on UMC 65 nm CMOS technology, the proposed channels reduces energy consumption by nearly 28.3% compared with that for uncoded channels at the lowest voltage.

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