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On-chip cache memories play an important role in resource-constrained embedded systems by filtering out most off-chip memory accesses. Because cache latency and energy consumption are generally proportional to cache sizes, a small cache at the top level of the memory hierarchy is desirable. Previous work has presented a novel cache architecture called a filter cache to reduce hit time and energy consumption...
In cognitive radio networks, the sensing capability of a secondary user is crucial to guarantee the privileged use of a primary user. One of major parameters, the sensing duration (i.e., ldquoquiet periodrdquo) in a frame by a secondary user, during which the secondary user does not access the spectrum, can affect performance of both. In this paper, we examine a sensing scheme involved in a compromise...
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