{"id":"https://openalex.org/W4387129497","doi":"https://doi.org/10.1109/access.2023.3320575","title":"Irregular Repetition Slotted ALOHA Over Rayleigh Block Fading Channels: Bounds and Threshold Saturation via Spatial Coupling","display_name":"Irregular Repetition Slotted ALOHA Over Rayleigh Block Fading Channels: Bounds and Threshold Saturation via Spatial Coupling","publication_year":2023,"publication_date":"2023-01-01","ids":{"openalex":"https://openalex.org/W4387129497","doi":"https://doi.org/10.1109/access.2023.3320575"},"language":"en","primary_location":{"id":"doi:10.1109/access.2023.3320575","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3320575","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10266359.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10266359.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102935092","display_name":"Yuhei Takahashi","orcid":"https://orcid.org/0009-0009-2537-7932"},"institutions":[{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuhei Takahashi","raw_affiliation_strings":["Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan"],"raw_orcid":"https://orcid.org/0009-0009-2537-7932","affiliations":[{"raw_affiliation_string":"Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan","institution_ids":["https://openalex.org/I133984924"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048963632","display_name":"Guanghui Song","orcid":null},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanghui Song","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-1271-7300","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi’an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079640692","display_name":"Tomotaka Kimura","orcid":null},"institutions":[{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tomotaka Kimura","raw_affiliation_strings":["Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan"],"raw_orcid":"https://orcid.org/0000-0003-0677-9767","affiliations":[{"raw_affiliation_string":"Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan","institution_ids":["https://openalex.org/I133984924"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065201436","display_name":"Jun Cheng","orcid":"https://orcid.org/0000-0002-7771-2132"},"institutions":[{"id":"https://openalex.org/I133984924","display_name":"Doshisha University","ror":"https://ror.org/01fxdkm29","country_code":"JP","type":"education","lineage":["https://openalex.org/I133984924"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun Cheng","raw_affiliation_strings":["Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan"],"raw_orcid":"https://orcid.org/0000-0002-7771-2132","affiliations":[{"raw_affiliation_string":"Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan","institution_ids":["https://openalex.org/I133984924"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5102935092"],"corresponding_institution_ids":["https://openalex.org/I133984924"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.7597,"has_fulltext":true,"cited_by_count":6,"citation_normalized_percentile":{"value":0.71390246,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":"11","issue":null,"first_page":"106528","last_page":"106543"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9990000128746033,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9990000128746033,"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/T10796","display_name":"Cooperative Communication and Network Coding","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/T12079","display_name":"IoT Networks and Protocols","score":0.9983999729156494,"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/rayleigh-fading","display_name":"Rayleigh fading","score":0.6004590392112732},{"id":"https://openalex.org/keywords/maximum-a-posteriori-estimation","display_name":"Maximum a posteriori estimation","score":0.564156174659729},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5459002256393433},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5456358790397644},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5352680683135986},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4395413100719452},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.42571622133255005},{"id":"https://openalex.org/keywords/converse","display_name":"Converse","score":0.4255945086479187},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4051154553890228},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3619953393936157},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.16253769397735596},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14546257257461548},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.12643995881080627},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.09298661351203918},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.08353286981582642}],"concepts":[{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6004590392112732},{"id":"https://openalex.org/C9810830","wikidata":"https://www.wikidata.org/wiki/Q635384","display_name":"Maximum a posteriori estimation","level":3,"score":0.564156174659729},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5459002256393433},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5456358790397644},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5352680683135986},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4395413100719452},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.42571622133255005},{"id":"https://openalex.org/C2776809875","wikidata":"https://www.wikidata.org/wiki/Q1375963","display_name":"Converse","level":2,"score":0.4255945086479187},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4051154553890228},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3619953393936157},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.16253769397735596},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14546257257461548},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.12643995881080627},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.09298661351203918},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.08353286981582642}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2023.3320575","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3320575","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10266359.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6d3246d2a6514f07ac2d220fac4dd388","is_oa":true,"landing_page_url":"https://doaj.org/article/6d3246d2a6514f07ac2d220fac4dd388","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 11, Pp 106528-106543 (2023)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2023.3320575","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2023.3320575","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/10266359.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.4699999988079071}],"awards":[{"id":"https://openalex.org/G1938063923","display_name":null,"funder_award_id":"20K04493","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G2435866160","display_name":null,"funder_award_id":"62271369","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"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4387129497.pdf","grobid_xml":"https://content.openalex.org/works/W4387129497.grobid-xml"},"referenced_works_count":47,"referenced_works":["https://openalex.org/W213300876","https://openalex.org/W1536930200","https://openalex.org/W1595159159","https://openalex.org/W1919835077","https://openalex.org/W1978687936","https://openalex.org/W2010673797","https://openalex.org/W2039876598","https://openalex.org/W2064547633","https://openalex.org/W2076723541","https://openalex.org/W2088698325","https://openalex.org/W2090706238","https://openalex.org/W2108659721","https://openalex.org/W2114468914","https://openalex.org/W2117032420","https://openalex.org/W2126026248","https://openalex.org/W2127820195","https://openalex.org/W2140795512","https://openalex.org/W2150847784","https://openalex.org/W2164902512","https://openalex.org/W2172679141","https://openalex.org/W2478708596","https://openalex.org/W2740206041","https://openalex.org/W2786531552","https://openalex.org/W2798333393","https://openalex.org/W2915240933","https://openalex.org/W2963035021","https://openalex.org/W2963399913","https://openalex.org/W3008609509","https://openalex.org/W3013276807","https://openalex.org/W3103351902","https://openalex.org/W3104954190","https://openalex.org/W3126686235","https://openalex.org/W3131474750","https://openalex.org/W3131817462","https://openalex.org/W3138298718","https://openalex.org/W3139493159","https://openalex.org/W3176143929","https://openalex.org/W4210562379","https://openalex.org/W4213116188","https://openalex.org/W4285245922","https://openalex.org/W4286357620","https://openalex.org/W4289655179","https://openalex.org/W4292232932","https://openalex.org/W4295934597","https://openalex.org/W4313229772","https://openalex.org/W4387872909","https://openalex.org/W6850066659"],"related_works":["https://openalex.org/W1503152075","https://openalex.org/W2116044594","https://openalex.org/W1597025424","https://openalex.org/W2101999641","https://openalex.org/W301676527","https://openalex.org/W2052600062","https://openalex.org/W2124541664","https://openalex.org/W289296924","https://openalex.org/W2109988226","https://openalex.org/W2076148615"],"abstract_inverted_index":{"In":[0],"irregular":[1],"repetition":[2],"slotted":[3],"ALOHA":[4],"(IR-SA)":[5],"systems,":[6],"a":[7,20,45,76,117,197,217,221,228,243],"population":[8],"of":[9,22,51,66,84,120,153,170,183,199,232],"devices":[10],"transmits":[11],"their":[12],"packets":[13,28,52],"to":[14,148,210],"an":[15,113,159,165],"access":[16],"point":[17],"(AP)":[18],"within":[19],"frame":[21],"slots.":[23],"The":[24,39,128],"AP":[25],"decodes":[26],"these":[27],"by":[29],"iterative":[30,144],"processing":[31],"between":[32],"intra-":[33],"and":[34,80,101,116,203,226],"inter-slot":[35],"successive":[36],"interference":[37],"cancellations.":[38],"average":[40],"normalized":[41],"offered":[42],"traffic,":[43],"as":[44,68],"performance":[46],"metric,":[47],"represents":[48],"the":[49,57,69,74,81,98,102,121,150,154,168,171,181,184,189,200,212,233,239,248,252],"number":[50],"transmitted":[53],"per":[54],"slot":[55],"when":[56],"packet":[58],"loss":[59],"rate":[60],"approaches":[61,251],"zero.":[62],"Such":[63],"asymptotic":[64],"types":[65],"traffic":[67],"belief":[70],"propagation":[71],"(BP)":[72],"threshold,":[73,79],"maximum":[75],"posteriori":[77],"(MAP)":[78],"converse":[82,103,118,191],"bound":[83,104,119],"IR-SA":[85,155],"systems":[86,122],"have":[87,105],"been":[88,108],"analyzed":[89],"over":[90,95,123],"various":[91],"channel":[92],"models.":[93],"However,":[94],"fading":[96,126],"channels,":[97],"MAP":[99,114,204,214,253],"threshold":[100,115,152,231,244,250],"not":[106],"yet":[107],"investigated.":[109],"This":[110,187],"paper":[111],"derives":[112],"Rayleigh":[124],"block":[125],"channels.":[127],"derivations":[129],"are":[130,140],"based":[131],"on":[132],"two":[133,143,172,175],"extrinsic":[134],"information":[135],"transfer":[136],"(EXIT)":[137],"curves,":[138],"which":[139,193],"associated":[141],"with":[142],"density":[145,218],"evolution":[146,219],"equations":[147],"analyze":[149],"BP":[151,201,229,249],"systems.":[156],"First,":[157],"since":[158],"open":[160],"decoding":[161,230],"tunnel":[162],"exists":[163],"in":[164],"EXIT":[166,176,202,205],"chart,":[167],"sum":[169],"areas":[173],"below":[174],"curves":[177,206],"is":[178,194,224],"smaller":[179],"than":[180],"area":[182],"entire":[185],"domain.":[186],"provides":[188],"traffic\u2019s":[190,213],"bound,":[192],"tight.":[195],"Second,":[196],"coincidence":[198],"makes":[207],"it":[208],"possible":[209],"derive":[211],"threshold.":[215,254],"Third,":[216],"for":[220],"spatially-coupled":[222,240],"scheme":[223,241],"formulated":[225],"gives":[227],"traffic.":[234],"Numerical":[235],"results":[236],"show":[237],"that":[238],"achieves":[242],"saturation":[245],"effect":[246],"where":[247]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}