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A novel aging sensor design, thermally-aware allocation, selection and degradation compensation capability are presented. High resolution, multiple use-case thermal characterization and identification of the temperature sensitive sections of the chip are described. The verification of the sensor based technique is shown with data from current technology nodes. These techniques enable controlling the...
In this paper, we propose a generic weighted checksum code based quality aware error detection scheme for 2-D separable linear transformation. These key components are widely used in multimedia compression systems, e.g., video and image codecs. The technique encodes the input array at the 2-D linear transformation level, and algorithms are designed to operate on encoded data and produce encoded output...
The wakeup sequence for power gating techniques has become an important issue as the rush current typically causes a high voltage drop. This paper proposes a new wakeup scheme utilizing an on-chip detector which continuously monitors the power supply noise in real time. Therefore, this scheme is able to dynamically throttle the wakeup sequence according to ambient voltage level. As a result, even...
This paper presents a SNR-aware error detection technique for a low-power wavelet lifting transform architecture in JPEG 2000. Power reduction is done by over-scaling the supply voltage (voltage-over-scaling (VOS)). A low-cost SNR-aware detection logic is integrated into the discrete wavelet lifting transform architecture, to check if the image quality degradation caused by the resulting timing errors...
Discrete Wavelet transform is a powerful mathematics technique which is being adopted in different applications including physics, image processing, biomedical signal processing, and communication. Due to its pipelined structure and multirate processing requirements, a single numerical error in one stage can easily affect multiple outputs in final result. In this paper, we propose a weighted checksum...
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