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CODES: 作品数：387被引量：366H指数：9; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：罗汉文宋文涛徐友云吴灏韩夏更多>>; 相关机构：中国标准化研究院上海交通大学华中科技大学青岛港集团有限公司更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家高技术研究发展计划国家重点基础研究发展计划更多>>

Constructions of optimal binary locally repairable codes via intersection subspaces: 《Science China(Information Sciences)》2024年第6期414-428,共15页Wenqin ZHANG Deng TANG Chenhao YING Yuan LUO; supported in part by National Key R&D Program of China(Grant Nos.2022YFA1004900,2022YFA1005000);National Natural Science Foundation of China(Grant No.62272303)。; Locally repairable codes(LRCs),which can recover any symbol of a codeword by reading only a small number of other symbols,have been widely used in real-world distributed storage systems,such as Microsoft Azure Storage...; 关键词：locally repairable codes disjoint local repair groups distributed storage systems intersection subspaces direct sum

Explicit construction of minimum bandwidth rack-aware regenerating codes被引量：1: 《Science China(Information Sciences)》2022年第7期263-264,共2页Liyang ZHOU Zhifang ZHANG; supported in part by National Key R&D Program of China (Grant No.2020YFA0712300);National Natural Science Foundation of China (Grant No. 61872353)。; Dear editor, Erasure codes are increasingly adopted in modern storage systems (such as Windows Azure Storage [1] and Facebook storage [2]) to ensure fault-tolerant storage with low redundancy. Meanwhile, efficient rep...; 关键词：EDITOR repair FAULT

Beam alignment for millimeter wave multiuser MIMO systems using sparse-graph codes: 《Science China(Information Sciences)》2022年第5期279-280,共2页Long CHENG Guangrong YUE Pei XIAO Ning WEI Shaoqian LI; partly supported by National Key Research and Development Program of China(Grant No.2020YFB1805001);National Natural Science Foundation of China(Grant No.61831004);ZTE Corporation;China Scholarship Council;supported by the UK Engineering and Physical Sciences Research Council(Grant No.EP/P03456X/1)。; Dear editor,To achieve millimeter wave(mmWave)beam alignment,a class of beam scanning and searching schemes have been extensively studied[1–3].Recently,to address the problems of high sample complexity in traditional...; 关键词：MILLIMETER MIMO ALIGNMENT

Locally repairable codes from combinatorial designs被引量：3: 《Science China(Information Sciences)》2020年第2期174-188,共15页Yu ZHANG Haibin KAN; supported by National Natural Science Foundation of China(Grant No.61672166);Plan of Shanghai Excellent Academic Leaders(Grant No.16XD1400200);Innovation Plan of Shanghai Science and Technology(Grant No.16JC1402700);Shanghai Leading Talent Programmes.; Locally repairable codes(LRCs)were proposed to reduce the repair degree in distributed storage systems.In particular,LRCs with availability are highly desirable for distributed storage systems,since this kind of codes...; 关键词：LOCALLY REPAIRABLE CODES ERASURE CODES combinatorial DESIGNS distributed storage systems CODES with AVAILABILITY

Bounds and constructions of optimal optical orthogonal codes with low correlation zone: 《Science China(Information Sciences)》2019年第10期214-216,共3页Chengqian XU; supported by National Natural Science Foundation of China (Grant No. 61671402); Dear editor,In optical code division multiple access (CDMA)systems, optical orthogonal codes (OOC) should exhibit the following correlations to reduce multiple access interference:the non-trivial correlation between a...; 关键词：BOUNDS and CONSTRUCTIONS of OPTIMAL optical ORTHOGONAL CODES with low correlation ZONE Hamming

Two classes of QC-LDPC cycle codes approaching Gallager lower bound被引量：2: 《Science China(Information Sciences)》2019年第10期217-219,共3页Hengzhou XU Huaan LI Mengmeng XU Dan FENG Hai ZHU; supported in part by National Natural Science Foundation of China (Grant Nos. 61801527, 61701368, U1504601); Dear editor,Many research results show that, for equivalent bit length, short nonbinary LDPC codes outperform binary LDPC codes by about 1 dB(1–3)Moreover, nonbinary LDPC codes have lower errorfloor, fast iterative d...; 关键词：Two CLASSES of QC-LDPC CYCLE CODES APPROACHING GALLAGER lower bound CYCLE

Partial CRC-aided decoding of 5G-NR short codes using reliability information被引量：1: 《Science China(Information Sciences)》2019年第8期31-39,共9页Ming JIANG Zhengyi LI Xiao YANG Chunming ZHAO; supported in part by National Natural Science Foundation of China (Grant No. 61771133);by National Science & Technology Projects of China (Grant No. 2018ZX03001002); In this paper, we focus on how to further enhance the performance of the channel codes in order to meet the more stringent reliability requirements of future networks(5G and beyond). A general decoder with the aid of ...; 关键词：polar CODES LDPC CODES CRC CODES successive CANCELLATION list DECODING ORDERED statistic DECODING

Erasure coding for distributed storage: an overview被引量：13: 《Science China(Information Sciences)》2018年第10期3-47,共45页S.B.BALAJI M.Nikhil KRISHNAN Myna VAJHA Vinayak RAMKUMAR Birenjith SASIDHARAN P.Vijay KUMAR; supported in part by National Science Foundation of USA (Grant No. 1421848);part by an India-Israel UGC-ISF Joint Research Program Grant; In a distributed storage system, code symbols are dispersed across space in nodes or storageunits as opposed to time. In settings such as that of a large data center, an important consideration isthe efficient repair ...; 关键词：distributed storage regenerating codes locally recoverable codes codes with locality erasurecodes node repair

Code constructions for multi-node exact repair in distributed storage被引量：1: 《Science China(Information Sciences)》2018年第10期76-93,共18页Marwen ZORGUI Zhiying WANG; We study the problem of centralized exact repair of multiple failures in distributed storage.We present constructions that achieve a new set of interior points under exact repair. The constructionsbuild upon the layer...; 关键词：regenerating codes exact repair multiple failures interior points Steiner systems

Locally repairable codes with strict availability from linear functions被引量：3: 《Science China(Information Sciences)》2018年第10期261-263,共3页Yu ZHANG Haibin KAN; supported by National Natural Science Foundation of China (Grant No. 61672166);the Plan of Shanghai Excellent Academic Leaders (Grant No. 16XD1400200);the Innovation Plan of Shanghai Science and Technology (Grant No. 16JC1402700); Dear editor,In distributed storage systems, data is dividedinto small pieces and stored across a number ofnodes. Since node failures are inevitable, redun-dancy is necessary. During the long run, the re-dundancy needs...; 关键词：Locally repairable codes with strict availability from linear functions

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