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Energy-constrained VDD hopping scheme with run-time power estimation for low-power real-time VLSI systems

Title
Energy-constrained VDD hopping scheme with run-time power estimation for low-power real-time VLSI systems
Authors
Lee S.Sakurai T.
Ewha Authors
이승준
SCOPUS Author ID
이승준scopus
Issue Date
2002
Journal Title
Journal of Circuits, Systems and Computers
ISSN
0218-1266JCR Link
Citation
vol. 11, no. 6, pp. 601 - 620
Indexed
SCIE; SCOPUS WOS scopus
Abstract
In this paper, we propose a novel dynamic voltage scaling algorithm on a variable-voltage processor. It determines the supply voltage on timeslot-by-timeslot basis within the task boundary, and significantly reduces the power consumption by fully exploiting the slack time. Also, we modify this algorithm and propose an energy-constrained dynamic voltage scaling algorithm for low-power multimedia applications. In the multimedia applications, there are usually several alternative algorithms with different performance and power. Considering the trade-off between performance and power, the proposed algorithm adaptively determines the optimal alternative to achieve optimal performance under given energy constraint. Compared with the conventional algorithms, the power consumption is reduced to 1/14.4∼1/5.6 without performance degradation.
DOI
10.1142/S0218126602000653
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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