{"id":"https://openalex.org/W2972394725","doi":"https://doi.org/10.1109/nas.2019.8834728","title":"Optimizing Tail Latency of LDPC based Flash Memory Storage Systems Via Smart Refresh","display_name":"Optimizing Tail Latency of LDPC based Flash Memory Storage Systems Via Smart Refresh","publication_year":2019,"publication_date":"2019-08-01","ids":{"openalex":"https://openalex.org/W2972394725","doi":"https://doi.org/10.1109/nas.2019.8834728","mag":"2972394725"},"language":"en","primary_location":{"id":"doi:10.1109/nas.2019.8834728","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nas.2019.8834728","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Networking, Architecture and Storage (NAS)","raw_type":"proceedings-article"},"type":"conference-paper","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":["College of Computer Science, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, 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":["College of Computer Science, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100393695","display_name":"Qiao Li","orcid":"https://orcid.org/0000-0002-4579-4268"},"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":"Qiao Li","raw_affiliation_strings":["College of Computer Science, City University of Hong Kong, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, City University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I168719708"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074736782","display_name":"Congming Gao","orcid":"https://orcid.org/0000-0003-2611-2652"},"institutions":[{"id":"https://openalex.org/I158842170","display_name":"Chongqing University","ror":"https://ror.org/023rhb549","country_code":"CN","type":"education","lineage":["https://openalex.org/I158842170"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Congming Gao","raw_affiliation_strings":["College of Computer Science, Chongqing University, Chongqing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]}]},{"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, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, City University of Hong Kong, Hong Kong, China","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 Sha","raw_affiliation_strings":["College of Computer Science, East China Normal University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer Science, East China Normal University, Shanghai, China","institution_ids":["https://openalex.org/I66867065"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9980999827384949,"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":0.9977999925613403,"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":0.8128010034561157},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.7678999900817871},{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.5345596075057983},{"id":"https://openalex.org/keywords/flash-memory","display_name":"Flash memory","score":0.5237938165664673},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.4942066967487335},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.40962180495262146},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3898366391658783},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3513408601284027},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1274152398109436}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8128010034561157},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.7678999900817871},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.5345596075057983},{"id":"https://openalex.org/C2776531357","wikidata":"https://www.wikidata.org/wiki/Q174077","display_name":"Flash memory","level":2,"score":0.5237938165664673},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.4942066967487335},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.40962180495262146},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3898366391658783},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3513408601284027},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1274152398109436},{"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/nas.2019.8834728","is_oa":false,"landing_page_url":"https://doi.org/10.1109/nas.2019.8834728","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE International Conference on Networking, Architecture and Storage (NAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W1553622981","https://openalex.org/W1979804960","https://openalex.org/W2010390358","https://openalex.org/W2012677343","https://openalex.org/W2028661945","https://openalex.org/W2066792000","https://openalex.org/W2079369525","https://openalex.org/W2095018048","https://openalex.org/W2165068957","https://openalex.org/W2198266692","https://openalex.org/W2274403393","https://openalex.org/W2321995868","https://openalex.org/W2345514967","https://openalex.org/W2588471635","https://openalex.org/W2622477774","https://openalex.org/W2626117432","https://openalex.org/W2765844783","https://openalex.org/W2766452572","https://openalex.org/W2794172667","https://openalex.org/W2911942248","https://openalex.org/W2911989460","https://openalex.org/W2916025345","https://openalex.org/W2998330575","https://openalex.org/W3024007925","https://openalex.org/W4241662539","https://openalex.org/W6633130854","https://openalex.org/W6684515133","https://openalex.org/W6694145185","https://openalex.org/W6759491976","https://openalex.org/W6759536102"],"related_works":["https://openalex.org/W2903058006","https://openalex.org/W2102374550","https://openalex.org/W2047069332","https://openalex.org/W2352157218","https://openalex.org/W2806845321","https://openalex.org/W4293418541","https://openalex.org/W2393084694","https://openalex.org/W2382858638","https://openalex.org/W2347362599","https://openalex.org/W2349966504"],"abstract_inverted_index":{"Flash":[0],"memory":[1],"has":[2,19,32,37,112],"been":[3,20,38],"developed":[4],"with":[5,63,158,188],"bit":[6],"density":[7,27],"improvement,":[8],"technology":[9],"scaling,":[10],"and":[11,163,185],"3D":[12],"stacking.":[13],"With":[14],"this":[15,42,67,83,124],"trend,":[16],"its":[17],"reliability":[18],"degraded":[21],"significantly.":[22],"Error":[23],"correction":[24,35],"code,":[25],"low":[26,64],"parity":[28],"code":[29],"(LDPC),":[30],"which":[31,73],"strong":[33],"error":[34],"capability,":[36],"employed":[39],"to":[40,93,105,132,154,179],"solve":[41],"issue.":[43],"However,":[44],"one":[45],"of":[46,50,79,87,101],"the":[47,77,95,102,109,174,182],"critical":[48],"issues":[49],"LDPC":[51],"is":[52,91,104,130,140,152],"that":[53,173],"it":[54,139],"would":[55,71],"introduce":[56],"a":[57,85,113],"long":[58,114,134,160],"decoding":[59,115],"latency":[60,70,136,162,168,184],"on":[61],"devices":[62],"reliability.":[65],"In":[66,82],"case,":[68],"tail":[69,96,167,183],"happen,":[72],"will":[74],"significantly":[75,180],"impact":[76],"quality":[78],"service":[80],"(QoS).":[81],"work,":[84],"set":[86],"smart":[88,118],"refresh":[89,106,119,128,133,150],"schemes":[90,120,176],"proposed":[92,122,175],"optimize":[94],"latency.":[97,116],"The":[98,126,148],"basic":[99],"idea":[100],"work":[103],"data":[107,111,137,157],"when":[108,138],"accessed":[110,141],"Two":[117],"are":[121,177],"for":[123,144,166],"work:":[125],"first":[127],"scheme":[129,151],"designed":[131,153],"access":[135,145,161,186],"several":[142],"times":[143],"performance":[146,187],"optimization;":[147],"second":[149],"periodical":[155],"detecting":[156],"extremely":[159],"refreshing":[164],"them":[165],"optimization.":[169],"Experiment":[170],"results":[171],"show":[172],"able":[178],"improve":[181],"little":[189],"overhead.":[190]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}