International Journal For Multidisciplinary Research

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Performance Analysis of Successive Cancellation Decoder for Polar Codes with Two Stage Channel Estimator

Author(s) Varsha J, Bakialakshmi D
Country India
Abstract Nowadays polar codes are becoming one of the most favorable capacity achieving Error Correction Codes (ECC) for their simple low encoding and decoding complexity, have received much attention in recent years; they probably achieve the theoretical capacity of discrete memoryless channels using the low complexity successive cancellation (SC) decoding algorithm. However, among the very few prior successive cancellation polar decoder designs, the required long code length makes the decoding latency high. As a new polar decoder, referred to as 2b-SC-Precomputation decoder, reduce the latency from (2n-1) to ((3n/4)-1) without performance loss, which can reduce the hardware complexity by two stage channel estimators. Furthermore, in our method, the decoding latency decreases rapidly with increasing throughput. Significant latency and throughput reductions are shown by simulation results and report synthesis results for ASIC.
Keywords Error Correction Codes (ECC), Successive Cancellation (SC), Polar decoder, Precomputation, Channel Estimator.
Field Engineering
Published In Volume 5, Issue 4, July-August 2023
Published On 2023-08-01
Cite This Performance Analysis of Successive Cancellation Decoder for Polar Codes with Two Stage Channel Estimator - Varsha J, Bakialakshmi D - IJFMR Volume 5, Issue 4, July-August 2023. DOI 10.36948/ijfmr.2023.v05i04.4804
DOI https://doi.org/10.36948/ijfmr.2023.v05i04.4804
Short DOI https://doi.org/gskd26
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