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This paper presents a bit serial realization of the sign-LMS based adaptive filter which enjoys multiplier free weight update loop. To reduce the complexity of the multipliers that arise in the filtering process, the filter weights are represented in the so-called canonic SPT form which guarantees presence of at least one zero between every two non-zero power-of-two terms. As the filter weights are...
This paper presents hardware architecture to perform the basic arithmetic operation addition using cellular automata (CA). This age old problem of addition were previously solved by ripple circuit or carry look ahead circuit or by using a combination of them. Each of these circuits is purely combinational in nature and their complexity is centered on the number of logic gates and the associated gate...
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