{"id":"https://openalex.org/W3135565716","doi":"https://doi.org/10.1109/tcad.2021.3062768","title":"Tail Latency Optimization for LDPC-Based High-Density and Low-Cost Flash Memory Devices","display_name":"Tail Latency Optimization for LDPC-Based High-Density and Low-Cost Flash Memory Devices","publication_year":2021,"publication_date":"2021-03-01","ids":{"openalex":"https://openalex.org/W3135565716","doi":"https://doi.org/10.1109/tcad.2021.3062768","mag":"3135565716"},"language":"en","primary_location":{"id":"doi:10.1109/tcad.2021.3062768","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2021.3062768","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028849469","display_name":"Yina Lv","orcid":"https://orcid.org/0000-0003-3971-3123"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yina Lv","raw_affiliation_strings":["School of Computer Science and Technology, East China Normal University, Shanghai, China","Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]},{"raw_affiliation_string":"Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073520075","display_name":"Liang Shi","orcid":"https://orcid.org/0000-0002-9977-529X"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Shi","raw_affiliation_strings":["School of Computer Science and Technology, East China Normal University, Shanghai, China","Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-9977-529X","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]},{"raw_affiliation_string":"Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018610574","display_name":"Longfei Luo","orcid":"https://orcid.org/0000-0002-3769-1007"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Longfei Luo","raw_affiliation_strings":["School of Computer Science and Technology, East China Normal University, Shanghai, China","Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-3769-1007","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]},{"raw_affiliation_string":"Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100616448","display_name":"Changlong Li","orcid":"https://orcid.org/0000-0002-4042-6538"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changlong Li","raw_affiliation_strings":["School of Computer Science and Technology, East China Normal University, Shanghai, China","Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-4042-6538","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]},{"raw_affiliation_string":"Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101441768","display_name":"Chun Jason Xue","orcid":"https://orcid.org/0000-0002-6431-9868"},"institutions":[{"id":"https://openalex.org/I168719708","display_name":"City University of Hong Kong","ror":"https://ror.org/03q8dnn23","country_code":"HK","type":"education","lineage":["https://openalex.org/I168719708"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Chun Jason Xue","raw_affiliation_strings":["College of Computer Science, City University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6431-9868","affiliations":[{"raw_affiliation_string":"College of Computer Science, City University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077381252","display_name":"Edwin H.\u2010M. Sha","orcid":"https://orcid.org/0000-0001-5605-5631"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Edwin H.-M. Sha","raw_affiliation_strings":["School of Computer Science and Technology, East China Normal University, Shanghai, China","Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]},{"raw_affiliation_string":"Software/Hardware Co-design Engineering Research Center, Ministry of Education, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7596,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.71919543,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"41","issue":"3","first_page":"544","last_page":"557"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7835495471954346},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.7205821871757507},{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.56028813123703},{"id":"https://openalex.org/keywords/flash-memory","display_name":"Flash memory","score":0.5447807908058167},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.4979074001312256},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3925182819366455},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3675425052642822},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3661394715309143},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.166412353515625}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7835495471954346},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.7205821871757507},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.56028813123703},{"id":"https://openalex.org/C2776531357","wikidata":"https://www.wikidata.org/wiki/Q174077","display_name":"Flash memory","level":2,"score":0.5447807908058167},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.4979074001312256},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3925182819366455},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3675425052642822},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3661394715309143},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.166412353515625},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcad.2021.3062768","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcad.2021.3062768","pdf_url":null,"source":{"id":"https://openalex.org/S100835903","display_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","issn_l":"0278-0070","issn":["0278-0070","1937-4151"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.4399999976158142}],"awards":[{"id":"https://openalex.org/G4671199647","display_name":null,"funder_award_id":"61972154","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7448414004","display_name":"\u57fa\u4e8e\u5d4c\u5165\u5f0f3D\u5806\u53e0\u95ea\u5b58\u5b58\u50a8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"61772092","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7937942293","display_name":"\u57fa\u4e8e\u95ea\u5b58\u5b58\u50a8\u7cfb\u7edf\u7684\u670d\u52a1\u8d28\u91cf\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62072177","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W1979804960","https://openalex.org/W2010390358","https://openalex.org/W2012677343","https://openalex.org/W2028661945","https://openalex.org/W2060339637","https://openalex.org/W2066792000","https://openalex.org/W2079369525","https://openalex.org/W2198266692","https://openalex.org/W2321995868","https://openalex.org/W2343750139","https://openalex.org/W2345514967","https://openalex.org/W2588471635","https://openalex.org/W2622477774","https://openalex.org/W2625940868","https://openalex.org/W2626117432","https://openalex.org/W2765844783","https://openalex.org/W2766452572","https://openalex.org/W2770870525","https://openalex.org/W2794172667","https://openalex.org/W2911942248","https://openalex.org/W2911989460","https://openalex.org/W2954176622","https://openalex.org/W3024007925","https://openalex.org/W3119951918","https://openalex.org/W4230107665","https://openalex.org/W4241662539","https://openalex.org/W6633130854","https://openalex.org/W6684515133","https://openalex.org/W6688776908","https://openalex.org/W6694145185","https://openalex.org/W6759491976","https://openalex.org/W6759536102"],"related_works":["https://openalex.org/W2378783493","https://openalex.org/W4308084252","https://openalex.org/W2141019318","https://openalex.org/W4384916272","https://openalex.org/W2886429922","https://openalex.org/W2364580619","https://openalex.org/W2365088500","https://openalex.org/W4205416983","https://openalex.org/W2376668782","https://openalex.org/W2376144476"],"abstract_inverted_index":{"Flash":[0],"memory":[1],"has":[2,19,34,39],"been":[3,20,40],"developed":[4],"with":[5,65,136,157,215,228],"bit":[6],"density":[7],"improvement,":[8],"technology":[9],"scaling,":[10],"and":[11,163],"3-D":[12],"stacking.":[13],"With":[14],"this":[15,44,69,84,125],"trend,":[16],"its":[17],"reliability":[18],"significantly":[21,77,210],"degraded.":[22],"Error":[23],"correction":[24,37],"code":[25,31],"(ECC),":[26],"such":[27],"as":[28],"low-density":[29],"parity":[30],"(LDPC),":[32],"which":[33,75],"strong":[35],"error":[36],"capability,":[38],"deployed":[41],"to":[42,94,106,133,153,194],"solve":[43],"problem.":[45],"However,":[46],"one":[47],"of":[48,52,81,88,102,198],"the":[49,79,96,103,110,169,174,196,206,212,221,229],"critical":[50],"issues":[51],"LDPC":[53],"is":[54,92,105,131,151,182,192,219,224],"that":[55,205],"it":[56],"would":[57,73],"introduce":[58],"a":[59,86,114,137,178,185],"long":[60,115,138,160],"decoding":[61,116],"latency":[62,72,140,162,214],"on":[63],"devices":[64],"low":[66],"reliability.":[67],"In":[68,83],"case,":[70],"tail":[71,97,213],"happen,":[74],"will":[76],"impact":[78],"quality":[80],"service.":[82],"work,":[85],"set":[87],"smart":[89,119],"refresh":[90,107,120,129,134,149,164,170,176,180],"schemes":[91,121,191,208],"proposed":[93,123,190,207],"optimize":[95,168],"latency.":[98,117],"The":[99,127,147,201],"basic":[100],"idea":[101],"work":[104],"data":[108,112,135,156],"when":[109,141],"accessed":[111,144],"have":[113],"Two":[118],"are":[122,143],"for":[124,188],"work.":[126,231],"first":[128],"scheme":[130,150,181],"designed":[132,152],"access":[139,161,222],"they":[142],"several":[145],"times.":[146],"second":[148],"periodically":[154],"check":[155],"an":[158],"extremely":[159],"them.":[165],"To":[166],"further":[167],"overhead":[171],"caused":[172],"by":[173],"above":[175],"schemes,":[177],"dual-ECC-based":[179],"proposed.":[183],"Besides,":[184],"mathematical":[186],"model":[187],"all":[189],"constructed":[193],"clarify":[195],"benefit":[197],"each":[199],"scheme.":[200],"experimental":[202],"results":[203],"show":[204],"can":[209],"improve":[211],"acceptable":[216],"overhead.":[217],"What":[218],"more,":[220],"performance":[223],"well":[225],"maintained":[226],"compared":[227],"state-of-the-art":[230]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
