{"id":"https://openalex.org/W3196474000","doi":"https://doi.org/10.1109/isit45174.2021.9517931","title":"GRADE-AO: Towards Near-Optimal Spatially-Coupled Codes With High Memories","display_name":"GRADE-AO: Towards Near-Optimal Spatially-Coupled Codes With High Memories","publication_year":2021,"publication_date":"2021-07-12","ids":{"openalex":"https://openalex.org/W3196474000","doi":"https://doi.org/10.1109/isit45174.2021.9517931","mag":"3196474000"},"language":"en","primary_location":{"id":"doi:10.1109/isit45174.2021.9517931","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit45174.2021.9517931","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-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/A5015535010","display_name":"Siyi Yang","orcid":"https://orcid.org/0000-0001-7512-1913"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Siyi Yang","raw_affiliation_strings":["University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095"],"affiliations":[{"raw_affiliation_string":"University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066643381","display_name":"Ahmed Hareedy","orcid":"https://orcid.org/0000-0002-8523-6754"},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ahmed Hareedy","raw_affiliation_strings":["Duke University,Electrical and Computer Engineering Department,Durham,NC,USA,27708"],"affiliations":[{"raw_affiliation_string":"Duke University,Electrical and Computer Engineering Department,Durham,NC,USA,27708","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058322190","display_name":"Shyam Venkatasubramanian","orcid":"https://orcid.org/0000-0002-1400-9642"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shyam Venkatasubramanian","raw_affiliation_strings":["University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095"],"affiliations":[{"raw_affiliation_string":"University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037795370","display_name":"Robert Calderbank","orcid":"https://orcid.org/0000-0003-2084-9717"},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert Calderbank","raw_affiliation_strings":["Duke University,Electrical and Computer Engineering Department,Durham,NC,USA,27708"],"affiliations":[{"raw_affiliation_string":"Duke University,Electrical and Computer Engineering Department,Durham,NC,USA,27708","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075795132","display_name":"Lara Dolecek","orcid":"https://orcid.org/0000-0003-3736-4345"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lara Dolecek","raw_affiliation_strings":["University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095"],"affiliations":[{"raw_affiliation_string":"University of California,Electrical and Computer Engineering Department,Los Angeles,CA,USA,90095","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5015535010"],"corresponding_institution_ids":["https://openalex.org/I161318765"],"apc_list":null,"apc_paid":null,"fwci":0.4585,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.65581695,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"587","last_page":"592"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","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/T11321","display_name":"Error Correcting Code Techniques","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994000196456909,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.689212441444397},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5519534349441528},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5152559280395508},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.49880504608154297},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4629431962966919},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.46021735668182373},{"id":"https://openalex.org/keywords/raptor-code","display_name":"Raptor code","score":0.45394423604011536},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.438549667596817},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.421889066696167},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.35008108615875244}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.689212441444397},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5519534349441528},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5152559280395508},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.49880504608154297},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4629431962966919},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.46021735668182373},{"id":"https://openalex.org/C101252705","wikidata":"https://www.wikidata.org/wiki/Q7294373","display_name":"Raptor code","level":5,"score":0.45394423604011536},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.438549667596817},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.421889066696167},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.35008108615875244},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/isit45174.2021.9517931","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit45174.2021.9517931","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Symposium on Information Theory (ISIT)","raw_type":"proceedings-article"},{"id":"pmh:oai:https://open.metu.edu.tr:11511/98513","is_oa":false,"landing_page_url":"https://hdl.handle.net/11511/98513","pdf_url":null,"source":{"id":"https://openalex.org/S4306402495","display_name":"OpenMETU (Middle East Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I201799495","host_organization_name":"Middle East Technical University","host_organization_lineage":["https://openalex.org/I201799495"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2021 IEEE International Symposium on Information Theory, ISIT 2021","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1600404222","display_name":null,"funder_award_id":"CCF-BSF 1718389,CCF 1717602,CCF 2008728,CCF 1908730","funder_id":"https://openalex.org/F4320332502","funder_display_name":"University of California, Los Angeles"},{"id":"https://openalex.org/G6754687387","display_name":null,"funder_award_id":"8750-20-2-0504","funder_id":"https://openalex.org/F4320338279","funder_display_name":"Air Force Office of Scientific Research"}],"funders":[{"id":"https://openalex.org/F4320332502","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60"},{"id":"https://openalex.org/F4320338279","display_name":"Air Force Office of Scientific Research","ror":"https://ror.org/011e9bt93"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1864365761","https://openalex.org/W1971177531","https://openalex.org/W1973712217","https://openalex.org/W2100465297","https://openalex.org/W2123119950","https://openalex.org/W2150368154","https://openalex.org/W2156973751","https://openalex.org/W2170998175","https://openalex.org/W2172679141","https://openalex.org/W2660253127","https://openalex.org/W2771023700","https://openalex.org/W2933612003","https://openalex.org/W2962883682","https://openalex.org/W2963511784","https://openalex.org/W2964138646","https://openalex.org/W2990585754","https://openalex.org/W3011192487","https://openalex.org/W3034606957","https://openalex.org/W3104291019","https://openalex.org/W3106281662","https://openalex.org/W3106491994","https://openalex.org/W3123372519","https://openalex.org/W3125530803","https://openalex.org/W3196474000"],"related_works":["https://openalex.org/W2139745099","https://openalex.org/W2127950068","https://openalex.org/W2015101254","https://openalex.org/W2114468163","https://openalex.org/W1989608637","https://openalex.org/W2132566027","https://openalex.org/W2209506458","https://openalex.org/W1434730035","https://openalex.org/W2142451577","https://openalex.org/W58580312"],"abstract_inverted_index":{"Spatially-coupled":[0],"(SC)":[1],"codes,":[2],"known":[3,74],"for":[4,16],"their":[5],"threshold":[6],"saturation":[7],"phenomenon":[8],"and":[9,19,36,91,161],"low-latency":[10],"windowed":[11],"decoding":[12],"algorithms,":[13],"are":[14,25],"ideal":[15],"streaming":[17],"applications":[18],"data":[20],"storage":[21],"systems.":[22],"SC":[23,54,63,68,89,139,154],"codes":[24,69,90,145,155,162],"constructed":[26],"by":[27,34,118],"partitioning":[28,96,115],"an":[29],"underlying":[30],"block":[31],"code,":[32],"followed":[33],"rearranging":[35],"concatenating":[37],"the":[38,51,83,86,92,119,129,157],"partitioned":[39,48],"components":[40,49],"in":[41,61],"a":[42,100],"\u201cconvolutional\u201d":[43],"manner.":[44],"The":[45],"number":[46],"of":[47,53,88,95],"determines":[50],"\u201cmemory\u201d":[52],"codes.":[55,140],"While":[56],"adopting":[57],"higher":[58],"memories":[59],"results":[60,142],"improved":[62],"code":[64],"performance,":[65],"obtaining":[66],"optimal":[67,106],"with":[70,156,163],"high":[71,134,136],"memory":[72],"is":[73],"to":[75,132],"be":[76],"hard.":[77],"In":[78],"this":[79],"paper,":[80],"we":[81,122],"investigate":[82],"relation":[84],"between":[85],"performance":[87,137],"density":[93,107],"distribution":[94],"matrices.":[97],"We":[98],"propose":[99],"probabilistic":[101],"framework":[102],"that":[103,144],"obtains":[104],"(locally)":[105],"distributions":[108],"via":[109],"gradient":[110],"descent.":[111],"Starting":[112],"from":[113],"random":[114],"matrices":[116],"abiding":[117],"obtained":[120,146],"distribution,":[121],"perform":[123],"low":[124],"complexity":[125],"optimization":[126],"algorithms":[127],"over":[128],"cycle":[130],"properties":[131],"construct":[133],"memory,":[135],"quasi-cyclic":[138],"Simulation":[141],"show":[143],"through":[147],"our":[148],"proposed":[149],"method":[150],"notably":[151],"outperform":[152],"state-of-the-art":[153],"same":[158],"constraint":[159],"length":[160],"uniform":[164],"partitioning.":[165]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}