{"id":"https://openalex.org/W7130588384","doi":"https://doi.org/10.1109/lcomm.2026.3666352","title":"Restart Belief: A General Quantum LDPC Decoder","display_name":"Restart Belief: A General Quantum LDPC Decoder","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7130588384","doi":"https://doi.org/10.1109/lcomm.2026.3666352"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2026.3666352","doi":"https://doi.org/10.1109/lcomm.2026.3666352","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2026.3666352","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/lcomm.2026.3666352","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069616779","display_name":"Lorenzo Valentini","orcid":"https://orcid.org/0000-0002-8417-6454","observed_orcids":["https://orcid.org/0000-0002-8417-6454"]},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Lorenzo Valentini","raw_affiliation_strings":["Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0000-0002-8417-6454","affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006895821","display_name":"Diego Forlivesi","orcid":"https://orcid.org/0009-0008-4352-0686","observed_orcids":["https://orcid.org/0009-0008-4352-0686"]},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Diego Forlivesi","raw_affiliation_strings":["Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0009-0008-4352-0686","affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085660843","display_name":"Andrea Talarico","orcid":"https://orcid.org/0009-0006-7882-2647","observed_orcids":["https://orcid.org/0009-0006-7882-2647"]},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Talarico","raw_affiliation_strings":["Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0009-0006-7882-2647","affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009853604","display_name":"Marco Chiani","orcid":"https://orcid.org/0000-0001-8782-8318","observed_orcids":["https://orcid.org/0000-0001-8782-8318"]},"institutions":[{"id":"https://openalex.org/I9360294","display_name":"University of Bologna","ror":"https://ror.org/01111rn36","country_code":"IT","type":"education","lineage":["https://openalex.org/I9360294"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Marco Chiani","raw_affiliation_strings":["Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy"],"raw_orcid":"https://orcid.org/0000-0001-8782-8318","affiliations":[{"raw_affiliation_string":"Department of Electrical, Electronic, and Information Engineering “Guglielmo Marconi” and CNIT/WiLab, University of Bologna, Bologna, Italy","institution_ids":["https://openalex.org/I9360294"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9360294"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":{"value":2645,"currency":"USD","value_usd":2645},"fwci":3.4643,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.89823817,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"30","issue":null,"first_page":"1185","last_page":"1189"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.00559999980032444,"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/T11130","display_name":"Coding theory and cryptography","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/quantum-low-density-parity-check-codes","display_name":"quantum low-density parity-check codes","score":0.9100000262260437},{"id":"https://openalex.org/keywords/quantum-error-correction","display_name":"quantum error correction","score":0.8159999847412109},{"id":"https://openalex.org/keywords/belief-propagation","display_name":"belief propagation","score":0.9750000238418579},{"id":"https://openalex.org/keywords/quantum-degeneracy","display_name":"quantum degeneracy","score":0.8259999752044678},{"id":"https://openalex.org/keywords/branch-and-bound-optimization","display_name":"branch-and-bound optimization","score":0.8999999761581421},{"id":"https://openalex.org/keywords/iterative-decoding","display_name":"iterative decoding","score":0.7639999985694885},{"id":"https://openalex.org/keywords/decoding-convergence","display_name":"decoding convergence","score":0.5680000185966492},{"id":"https://openalex.org/keywords/decoding-accuracy","display_name":"decoding accuracy","score":0.6679999828338623}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.756600022315979},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7168999910354614},{"id":"https://openalex.org/C152948882","wikidata":"https://www.wikidata.org/wiki/Q4060686","display_name":"Belief propagation","level":3,"score":0.6215999722480774},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5666999816894531},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.552299976348877},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.505299985408783},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.4494999945163727},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.391400009393692},{"id":"https://openalex.org/C58053490","wikidata":"https://www.wikidata.org/wiki/Q176555","display_name":"Quantum computer","level":3,"score":0.38609999418258667},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.382099986076355},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.3781999945640564},{"id":"https://openalex.org/C2777727622","wikidata":"https://www.wikidata.org/wiki/Q5251772","display_name":"Degeneracy (biology)","level":2,"score":0.3725999891757965},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3718999922275543},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.34209999442100525},{"id":"https://openalex.org/C51003876","wikidata":"https://www.wikidata.org/wiki/Q1536431","display_name":"Quantum error correction","level":4,"score":0.33180001378059387},{"id":"https://openalex.org/C123614077","wikidata":"https://www.wikidata.org/wiki/Q1364905","display_name":"Propagation of uncertainty","level":2,"score":0.32030001282691956},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.2948000133037567},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.2930000126361847},{"id":"https://openalex.org/C185588885","wikidata":"https://www.wikidata.org/wiki/Q7553811","display_name":"Soft-decision decoder","level":3,"score":0.29170000553131104},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.2913999855518341},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.28929999470710754},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.2800000011920929},{"id":"https://openalex.org/C193969084","wikidata":"https://www.wikidata.org/wiki/Q7452500","display_name":"Sequential decoding","level":4,"score":0.27730000019073486},{"id":"https://openalex.org/C204397858","wikidata":"https://www.wikidata.org/wiki/Q4437907","display_name":"List decoding","level":5,"score":0.27559998631477356},{"id":"https://openalex.org/C46462455","wikidata":"https://www.wikidata.org/wiki/Q5395712","display_name":"Error floor","level":4,"score":0.2705000042915344},{"id":"https://openalex.org/C187486625","wikidata":"https://www.wikidata.org/wiki/Q2122176","display_name":"Quantum channel","level":4,"score":0.26579999923706055},{"id":"https://openalex.org/C58849907","wikidata":"https://www.wikidata.org/wiki/Q2118982","display_name":"Quantum gate","level":4,"score":0.265500009059906},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.26170000433921814}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/lcomm.2026.3666352","doi":"https://doi.org/10.1109/lcomm.2026.3666352","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2026.3666352","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2511.13281","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/2511.13281","pdf_url":"https://arxiv.org/pdf/2511.13281","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:cris.unibo.it:11585/1066253","doi":null,"is_oa":true,"landing_page_url":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11400562","pdf_url":null,"source":{"id":"https://openalex.org/S4306402579","display_name":"Archivio istituzionale della ricerca (Alma Mater Studiorum Universit\u00e0 di Bologna)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210117483","host_organization_name":"Istituto di Ematologia di Bologna","host_organization_lineage":["https://openalex.org/I4210117483"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/article"},{"id":"doi:10.48550/arxiv.2511.13281","doi":"https://doi.org/10.48550/arxiv.2511.13281","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2511.13281","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.1109/lcomm.2026.3666352","doi":"https://doi.org/10.1109/lcomm.2026.3666352","is_oa":true,"landing_page_url":"https://doi.org/10.1109/lcomm.2026.3666352","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","jufo-2","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Communications Letters","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7135031789","https://openalex.org/W4401693145","https://openalex.org/W7161256706","https://openalex.org/W7171669918","https://openalex.org/W4382365037","https://openalex.org/W7165671908","https://openalex.org/W4416701553","https://openalex.org/W2215279005","https://openalex.org/W4401692655","https://openalex.org/W4415280742"],"abstract_inverted_index":{"Hardware-friendly":[0],"quantum":[1,15],"low-density":[2],"parity-check":[3],"(QLDPC)":[4],"decoders":[5,66],"are":[6],"commonly":[7],"built":[8],"upon":[9],"belief":[10,33],"propagation":[11],"(BP)":[12],"processing.":[13],"Yet,":[14],"degeneracy":[16],"often":[17],"prevents":[18],"BP":[19],"from":[20],"achieving":[21],"reliable":[22],"convergence.":[23],"To":[24],"overcome":[25],"this":[26],"fundamental":[27],"limitation,":[28],"we":[29],"propose":[30],"the":[31,48,52,68,72],"restart":[32],"(RB)":[34],"decoder,":[35],"an":[36],"iterative":[37],"BP-based":[38],"algorithm":[39],"inspired":[40],"by":[41],"branch-and-bound":[42],"optimization":[43],"principles.We":[44],"show":[45],"that,":[46],"for":[47],"considered":[49],"QLDPC":[50],"codes,":[51],"RB":[53],"decoder":[54],"achieves":[55],"fast":[56],"convergence":[57],"and":[58],"significantly":[59],"improved":[60],"decoding":[61],"accuracy":[62],"compared":[63],"to":[64],"existing":[65],"in":[67],"literature,":[69],"while":[70],"guaranteeing":[71],"error":[73],"correction":[74],"capability.":[75]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2026-02-20T00:00:00"}