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High-Throughput LDPC-Decoder Architecture Using Efficient Comparison Techniques & Dynamic Multi-Frame Processing Schedule
Abstract— High-Throughput LDPC-Decoder Architecture Using Efficient Comparison Techniques & Dynamic Multi-Frame Processing Schedule. Architecture of block-level-parallel layered decoder for irregular LDPC code. It can be reconfigured to support various block lengths and code rates of IEEE 802.11n Wi Fi wireless-communication standard.< Final Year Project 2016 > We have proposed efficient comparison techniques for both column and row layered schedule and rejection-based high-speed circuits to compute the two minimum values from multiple inputs required for row layered processing of hardware-friendly min-sum decoding algorithm. The results show good speed with lower area as com-pared to state-of-the-art circuits. Additionally, this work proposes dynamic multi-frame processing schedule which efficiently utilizes the layered-LDPC decoding with minimum pipeline stages. The suggested LDPC-decoder architecture has been synthesized and post-layout simulated in 90 nm-CMOS process.
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