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Operational Transconductane Amplifier (OTA) is a fundamental building block of analog signal processing application. This paper demonstrates a wide-linear-range low voltage subthreshold-mode based fully differential OTA using bulk-driven technique. The proposed OTA is linearly tunable with the feature of low distortion and high output impedance. The open loop gain of OTA is enhanced through use of...
To overpass the speed gap between processor and main memory; cache memory is used. Cache memory is having hierarchical structure, including level 1 cache (L1), level 2 cache (L2) etc. Effective page replacement algorithm will result in effectual utilization of cache. L1 is having rich temporal locality while L2 is having poor temporal locality, thus same replacement algorithms for both the levels...
Events give important information about the behavior of a system in a summarized form. In the past, events have played an important role in breaking the functional requirements of the system in the ??event partitioning approach??. Our previous work has shown that events can be a starting point in object-oriented analysis of requirements. Every event triggers a use case in the system, hence should...
Source-code based test data generation is a process of finding program input on which a selected element, e.g., a target statement, is executed. There exist many test generation methods that automatically find a solution to the test generation problem. The existing methods work well for many programs. However, they may fail or are inefficient for programs with complex logic and intricate relationships...
Traditional distributed algorithms for QoS routing in wired networks may not work in the ad-hoc domain, due to interference between links. We propose a heuristic interference-aware QoS routing algorithm (IQRouting) that chooses candidate paths based on localized information at the source nodes. The candidate paths are compared in a distributed manner using probe packets, with the best path confirmed...
Hardware prefetching is a simple and effective technique for hiding cache miss latency and thus improving the overall performance. However, it comes with addition of prefetch buffers and causes significant memory traffic increase. We propose a new prefetching scheme which improves performance without increasing memory traffic or requiring prefetch buffers. We observe that a significant percentage...
Programs written in distributed programming languages are often non-deterministic in nature and hence the execution of such programs is not only dependent upon the program input, but also on the timing of the execution. Thus, an attempt to monitor the run-time behavior of a non-deterministic distributed program through code instrumentation, such as during debugging, can potentially alter the program's...
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