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Low-Latency Decoder for the Bahl, Cocke, Jelinek, Raviv Algorithm (Case No. 2025-114)

Summary UCLA researchers have developed a low-latency, high-throughput GPU-based implementation of the BCJR (Bahl-Cocke-Jelinek-Raviv) algorithm for decoding the CCSDS Serially-Concatenated Convolutionally-Coded Pulse-Position Modulation (SCPPM) code. The innovation reduces decoding latency from linear in the number of trellis stages to logarithmic...

Published: 9/15/2025 | Inventor(s): Richard Wesel, Amaael Antonini, Egor Glukhov, Dariush Divsalar

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Category(s): Software & Algorithms, Software & Algorithms > Security & Privacy, Software & Algorithms > Communication & Networking, Mechanical, Mechanical > Aeronautics & Aerospace