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This paper presents an efficient, scalable, and optimal slack-driven shaping algorithm for soft blocks in nonslicing floorplan. The proposed algorithm is called SDS. SDS is specifically formulated for fixed-outline floorplanning. Given a fixed upper bound on the layout width, SDS minimizes the layout height by only shaping the soft blocks in the design. Iteratively, SDS shapes some soft blocks to...
In this paper, we first propose a turbo-sum-product (TSP) decoding algorithm for quasi-cyclic (QC) low-density parity-check (LDPC) codes and show that our proposed algorithm not only achieves faster convergence and better error performances than the sum-product (SP) algorithm, but also needs less memory in implementation. Compared with the turbo decoding algorithm, our TSP algorithm saves the same...
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