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In this paper we focus on the resolution of the message updating conflict problem in layered algorithm for DVB-T2 LDPC decoders. Unlike the previous resolutions, we directly implement the layered algorithm without modifying the parity-check matrices (PCM) or the decoding algorithm. DVB-T2 LDPC decoder architecture is also proposed in this paper with two new techniques which guarantee conflict-free...
In the latest draft video compression standard, HEVC, a new 8-tap MC interpolation filter is adopted. For this component, we propose an efficient VLSI design which is composed of a reconfigurable filter, an optimized pipeline engine organization, and a filter reuse scheme. This results in 30% area saving from a non-optimized design. The proposed implementation supports a maximal throughput of QFHD@60fps...
Modern hierarchical SOC design flows need to deal with fixed-outline floorplanning under the interconnect constraints, in this paper, we address the problem of bus driven floorplanning in a fixed-outline area. Given a set of blocks, the bus specification, and the height and width of the chip area, a floorplan solution including bus routes and satisfying the outline constraint will be generated with...
In this paper, a novel self-adjustable offset min-sum LDPC decoding algorithm is proposed for ISDB-S2 (Integrated Services Digital Broadcasting via Satellite — Second Generation) application. We present for the first time a uniform approximation of the check node operation through mathematical induction on Jacobian logarithm. The approximation theoretically shows that the offset value is mainly dependent...
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