{"title":"Low-Area-Cost VLSI Architecture of Fault-Aware High-Reliability Triple-Mode Polar Decoder Chip Reconfiguring SC and SCL Decoding","authors":"Xin-Yu Shih;Dong-Lin Wu;Wei-Lun Chang","doi":"10.1109/TCSII.2025.3561211","DOIUrl":null,"url":null,"abstract":"In this brief, we propose a low-area-cost fault-aware high-reliability Polar decoder VLSI architecture, resisting the unexpected faults randomly occurring in the internal storage elements. As for 2048-bit codeword length, our developed triple-mode chip can be well-reconfigured to perform SC decoding and SCL decoding with the list size (L) of 2 or 4. In the ASIC implementation with TSMC 40-nm multi-Vt CMOS technology, the total core area of our work only occupies 0.769 mm2 in chip layout, operating at a maximum frequency of 666.67 MHz. As compared with other state-of-the-arts, only our chip work can support high-reliability capability under 7.4% area overhead only.","PeriodicalId":13101,"journal":{"name":"IEEE Transactions on Circuits and Systems II: Express Briefs","volume":"72 6","pages":"843-847"},"PeriodicalIF":4.0000,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Circuits and Systems II: Express Briefs","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10966447/","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 0
Abstract
In this brief, we propose a low-area-cost fault-aware high-reliability Polar decoder VLSI architecture, resisting the unexpected faults randomly occurring in the internal storage elements. As for 2048-bit codeword length, our developed triple-mode chip can be well-reconfigured to perform SC decoding and SCL decoding with the list size (L) of 2 or 4. In the ASIC implementation with TSMC 40-nm multi-Vt CMOS technology, the total core area of our work only occupies 0.769 mm2 in chip layout, operating at a maximum frequency of 666.67 MHz. As compared with other state-of-the-arts, only our chip work can support high-reliability capability under 7.4% area overhead only.
期刊介绍:
TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes:
Circuits: Analog, Digital and Mixed Signal Circuits and Systems
Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic
Circuits and Systems, Power Electronics and Systems
Software for Analog-and-Logic Circuits and Systems
Control aspects of Circuits and Systems.