{"id":"https://openalex.org/W4406260469","doi":"https://doi.org/10.1109/tit.2025.3528132","title":"Optimal Constant-Weight and Mixed-Weight Conflict-Avoiding Codes","display_name":"Optimal Constant-Weight and Mixed-Weight Conflict-Avoiding Codes","publication_year":2025,"publication_date":"2025-01-10","ids":{"openalex":"https://openalex.org/W4406260469","doi":"https://doi.org/10.1109/tit.2025.3528132"},"language":"en","primary_location":{"id":"doi:10.1109/tit.2025.3528132","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2025.3528132","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","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/A5032951131","display_name":"Yuan\u2013Hsun Lo","orcid":"https://orcid.org/0000-0001-5510-8842"},"institutions":[{"id":"https://openalex.org/I1309796872","display_name":"National Pingtung University","ror":"https://ror.org/03z698x91","country_code":"TW","type":"education","lineage":["https://openalex.org/I1309796872"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Yuan-Hsun Lo","raw_affiliation_strings":["Department of Applied Mathematics, National Pingtung University, Pingtung, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, National Pingtung University, Pingtung, Taiwan","institution_ids":["https://openalex.org/I1309796872"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049573408","display_name":"Tsai\u2013Lien Wong","orcid":null},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsai-Lien Wong","raw_affiliation_strings":["Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100440745","display_name":"Kang Xu","orcid":"https://orcid.org/0000-0002-6946-8635"},"institutions":[{"id":"https://openalex.org/I142974352","display_name":"National Sun Yat-sen University","ror":"https://ror.org/00mjawt10","country_code":"TW","type":"education","lineage":["https://openalex.org/I142974352"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Kangkang Xu","raw_affiliation_strings":["Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, National Sun Yat-sen University, Kaohsiung, Taiwan","institution_ids":["https://openalex.org/I142974352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101907018","display_name":"Yijin Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yijin Zhang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5032951131"],"corresponding_institution_ids":["https://openalex.org/I1309796872"],"apc_list":null,"apc_paid":null,"fwci":1.4196,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.78642105,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"71","issue":"3","first_page":"2257","last_page":"2270"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11797","display_name":"graph theory and CDMA systems","score":0.9904000163078308,"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"}},{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9896000027656555,"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/asynchronous-communication","display_name":"Asynchronous communication","score":0.5590599179267883},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.5154653191566467},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.5065115690231323},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.5058388710021973},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4667268991470337},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4178951680660248},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4101468324661255},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.39588844776153564},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.156958669424057},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08014935255050659}],"concepts":[{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.5590599179267883},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5154653191566467},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.5065115690231323},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.5058388710021973},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4667268991470337},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4178951680660248},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4101468324661255},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.39588844776153564},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.156958669424057},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08014935255050659},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tit.2025.3528132","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tit.2025.3528132","pdf_url":null,"source":{"id":"https://openalex.org/S4502562","display_name":"IEEE Transactions on Information Theory","issn_l":"0018-9448","issn":["0018-9448","1557-9654"],"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 Information Theory","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1769386045","display_name":null,"funder_award_id":"62071236","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5148265182","display_name":null,"funder_award_id":"113-2115-M-110-003-MY2","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8935458024","display_name":null,"funder_award_id":"112-2115-M-153-004-MY2","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":28,"referenced_works":["https://openalex.org/W293331541","https://openalex.org/W1537915919","https://openalex.org/W1933645118","https://openalex.org/W1969451050","https://openalex.org/W1977550436","https://openalex.org/W1985265615","https://openalex.org/W1988184134","https://openalex.org/W1988374660","https://openalex.org/W1997513120","https://openalex.org/W2008516192","https://openalex.org/W2028369791","https://openalex.org/W2028401261","https://openalex.org/W2034700817","https://openalex.org/W2056603816","https://openalex.org/W2057332937","https://openalex.org/W2080120505","https://openalex.org/W2099505289","https://openalex.org/W2113044244","https://openalex.org/W2114224577","https://openalex.org/W2114771196","https://openalex.org/W2132040768","https://openalex.org/W2569706377","https://openalex.org/W2912209775","https://openalex.org/W2953597486","https://openalex.org/W2963250023","https://openalex.org/W4233185505","https://openalex.org/W4285256251","https://openalex.org/W4385151990"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2116677773","https://openalex.org/W2155261584","https://openalex.org/W2584231425","https://openalex.org/W2150611273","https://openalex.org/W4207086172","https://openalex.org/W2042919702","https://openalex.org/W4225981436","https://openalex.org/W2156185805","https://openalex.org/W1986179207"],"abstract_inverted_index":{"A":[0],"conflict-avoiding":[1],"code":[2],"(CAC)":[3],"is":[4,22,103],"a":[5,32,46],"deterministic":[6],"transmission":[7,58],"scheme":[8],"for":[9,116,120],"asynchronous":[10],"multiple":[11],"access":[12,130],"without":[13],"feedback.":[14],"When":[15],"the":[16,87,106,117,121,125,129],"number":[17],"of":[18,34,75,83,89,100,123,132,141,150],"simultaneously":[19],"active":[20,51],"users":[21,135],"less":[23],"than":[24],"or":[25],"equal":[26],"to":[27,104,112],"<italic":[28,36,41,62],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[29,37,42,63],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">w</i>":[30,43],",":[31],"CAC":[33],"length":[35],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">L</i>":[38,64],"with":[39,136],"weight":[40],"can":[44],"provide":[45],"hard":[47],"guarantee":[48],"that":[49],"each":[50],"user":[52],"has":[53],"at":[54],"least":[55],"one":[56],"successful":[57],"within":[59],"every":[60],"consecutive":[61],"slots.":[65],"In":[66],"this":[67,101],"paper,":[68],"we":[69,146],"generalize":[70],"some":[71,93,133,148],"previously":[72],"known":[73],"constructions":[74],"constant-weight":[76],"CACs,":[77,145],"and":[78,92,127],"then":[79],"derive":[80,147],"several":[81],"classes":[82,149],"optimal":[84,144,151],"CACs":[85,115],"by":[86],"help":[88],"Kneser\u2019s":[90],"Theorem":[91],"techniques":[94],"in":[95,109],"Additive":[96],"Combinatorics.":[97],"Another":[98],"spotlight":[99],"paper":[102],"relax":[105],"identical-weight":[107],"constraint":[108],"prior":[110],"studies":[111],"study":[113],"mixed-weight":[114,152],"first":[118],"time,":[119],"purpose":[122],"increasing":[124],"throughput":[126],"reducing":[128],"delay":[131],"potential":[134],"higher":[137],"priority.":[138],"As":[139],"applications":[140],"those":[142],"obtained":[143],"CACs.":[153]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}