Abstract: Recently, density evolution techniques have been used to predict the performance of iterative decoders utilizing the sum-product belief propagation algorithm. We extend this analysis to the ...

Abstract: In this paper, an improved low-complexity sum-product decoding algorithm is presented for low-density parity-check (LDPC) codes. In the proposed algorithm, reduction in computational ...

A Matlab implementation of Loopy Belief Propagation for stereo matching. It includes the "Sum-Product", "Max-Product" and "Min-Sum" versions of the algorithm and uses the "Synchronous" message update ...

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January 6, 2025 - Global IP Core Sales - In the Sum Product Algorithm (SPA) for LDPC decoding the messages are sent from the check nodes to bit nodes after the SPA steps which are (for one iteration): ...