A 128 Gb/s LDPC Decoder Using Partial Syndrome-based Dynamic Decoding Scheme for Terahertz Wireless Multi-Media Networks

Tsung Han Wu, Ching Liang Yeh, Yi Shan Huang, Shyh Jye Jou*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a low power and high throughput multi-framed pipelined LDPC decoder architecture based on a novel partial syndrome-based dynamic decoding (PSDD) approach. The proposed PSDD can reduce clock cycle to allow the LDPC decoder to be implemented with better energy efficiency. We propose a high throughput sorting method and implement the LDPC decoder with a pipelined multi-frame VLSI architecture. The implementation results for the IEEE 802.15.3d Thz standard shows that the proposed design has a coding gain of 10-8 at the specified SNR of 18.1 dB with 16 QAM modulation. Furthermore, the proposed design can achieve a throughput rate of 128.5 Gbps with the 16nm FinFET CMOS process, respectively.

Original languageEnglish
Title of host publicationISCAS 2024 - IEEE International Symposium on Circuits and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350330991
DOIs
StatePublished - 2024
Event2024 IEEE International Symposium on Circuits and Systems, ISCAS 2024 - Singapore, Singapore
Duration: 19 May 202422 May 2024

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
ISSN (Print)0271-4310

Conference

Conference2024 IEEE International Symposium on Circuits and Systems, ISCAS 2024
Country/TerritorySingapore
CitySingapore
Period19/05/2422/05/24

Keywords

  • 6G
  • dynamic decoding
  • low-density parity check (LDPC) decoder
  • message-passing schedule
  • Terahertz

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