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Contiguous allocation in multicomputers is useful for security and accounting reasons. In mesh-connected systems, it allocates each job an exclusive submesh of processors, and the allocated submesh has the same shape and size as that requested by the job. Because of this size and shape constraint, contiguous allocation typically suffers from high processor fragmentation. Processor fragmentation can...
With technology scaling, vulnerability to soft errors in random logic is increasing. There is a need for on-line error detection and protection for logic gates even at sea level. The error checker is the key element for an on-line detection mechanism. We compare three different checkers for error detection from the point of view of area, power and false error detection rates. We find that the double...
This paper addresses adaptive channel estimation for time-varying mobile wireless channels with nonstationary statistics. We presents a reduced complexity adaptive channel estimator based on a set membership filtering approach known as the Optimal Bounding Ellipsoid (OBE) algorithm. To exploit time and frequency domain correlation properties of the channel in an efficient low-complexity way, we allow...
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