{"id":"https://openalex.org/W4416748893","doi":"https://doi.org/10.1109/twc.2025.3635280","title":"Age-Optimized Irregular Repetition Slotted ALOHA With Adaptive Coding: Design and Analysis","display_name":"Age-Optimized Irregular Repetition Slotted ALOHA With Adaptive Coding: Design and Analysis","publication_year":2025,"publication_date":"2025-11-27","ids":{"openalex":"https://openalex.org/W4416748893","doi":"https://doi.org/10.1109/twc.2025.3635280"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2025.3635280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3635280","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","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/A5025165558","display_name":"D. P. Wang","orcid":"https://orcid.org/0009-0001-3441-6122"},"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":true,"raw_author_name":"Dengke Wang","raw_affiliation_strings":["School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, China","School of Microelectronics and Communication Engineering, Chongqing University, China"],"affiliations":[{"raw_affiliation_string":"School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, China","institution_ids":["https://openalex.org/I158842170"]},{"raw_affiliation_string":"School of Microelectronics and Communication Engineering, Chongqing University, China","institution_ids":["https://openalex.org/I158842170"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049632490","display_name":"Ahmed Elzanaty","orcid":"https://orcid.org/0000-0001-8854-8369"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Ahmed Elzanaty","raw_affiliation_strings":["5GIC and 6GIC, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","5GIC and6GIC, ICS, University of Surrey, Guildford, UK"],"affiliations":[{"raw_affiliation_string":"5GIC and 6GIC, Institute for Communication Systems (ICS), University of Surrey, Guildford, U.K","institution_ids":["https://openalex.org/I28290843"]},{"raw_affiliation_string":"5GIC and6GIC, ICS, University of Surrey, Guildford, UK","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, KAUST, Thuwal, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, KAUST, Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5025165558"],"corresponding_institution_ids":["https://openalex.org/I158842170"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.44272184,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"9360","last_page":"9374"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":0.9965000152587891,"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/T13553","display_name":"Age of Information Optimization","score":0.9965000152587891,"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":0.0007999999797903001,"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/T12042","display_name":"Satellite Communication Systems","score":0.00039999998989515007,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/aloha","display_name":"Aloha","score":0.9463000297546387},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.6969000101089478},{"id":"https://openalex.org/keywords/erasure","display_name":"Erasure","score":0.5989000201225281},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.5651999711990356},{"id":"https://openalex.org/keywords/code-rate","display_name":"Code rate","score":0.48190000653266907},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.4487000107765198},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.4481000006198883},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4472000002861023},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.42579999566078186},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4004000127315521}],"concepts":[{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.9463000297546387},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8199999928474426},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.6969000101089478},{"id":"https://openalex.org/C2778790127","wikidata":"https://www.wikidata.org/wiki/Q484885","display_name":"Erasure","level":2,"score":0.5989000201225281},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.5651999711990356},{"id":"https://openalex.org/C206468330","wikidata":"https://www.wikidata.org/wiki/Q834373","display_name":"Code rate","level":3,"score":0.48190000653266907},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47870001196861267},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.4487000107765198},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.4481000006198883},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4472000002861023},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.42579999566078186},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4004000127315521},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.39010000228881836},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.3831999897956848},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.3788999915122986},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.36419999599456787},{"id":"https://openalex.org/C122123141","wikidata":"https://www.wikidata.org/wiki/Q176623","display_name":"Random variable","level":2,"score":0.36230000853538513},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.36000001430511475},{"id":"https://openalex.org/C2778396592","wikidata":"https://www.wikidata.org/wiki/Q7209069","display_name":"Polar code","level":3,"score":0.35350000858306885},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.3427000045776367},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.3249000012874603},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.32010000944137573},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.301800012588501},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.2913999855518341},{"id":"https://openalex.org/C193430537","wikidata":"https://www.wikidata.org/wiki/Q1665191","display_name":"Channel access method","level":3,"score":0.2791999876499176},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.2757999897003174},{"id":"https://openalex.org/C40969351","wikidata":"https://www.wikidata.org/wiki/Q3516228","display_name":"Word error rate","level":2,"score":0.2750999927520752},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.2648000121116638},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.26409998536109924},{"id":"https://openalex.org/C171401667","wikidata":"https://www.wikidata.org/wiki/Q5324684","display_name":"EXIT chart","level":5,"score":0.26190000772476196},{"id":"https://openalex.org/C113508815","wikidata":"https://www.wikidata.org/wiki/Q193446","display_name":"Packet switching","level":3,"score":0.2612999975681305},{"id":"https://openalex.org/C194405637","wikidata":"https://www.wikidata.org/wiki/Q369367","display_name":"Repetition code","level":5,"score":0.25999999046325684},{"id":"https://openalex.org/C123614077","wikidata":"https://www.wikidata.org/wiki/Q1364905","display_name":"Propagation of uncertainty","level":2,"score":0.25780001282691956},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.257099986076355},{"id":"https://openalex.org/C160987145","wikidata":"https://www.wikidata.org/wiki/Q13043846","display_name":"Pulse-code modulation","level":3,"score":0.2547000050544739},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.2533000111579895},{"id":"https://openalex.org/C8272713","wikidata":"https://www.wikidata.org/wiki/Q176737","display_name":"Stochastic process","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3635280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3635280","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":49,"referenced_works":["https://openalex.org/W1622676895","https://openalex.org/W2069689609","https://openalex.org/W2087831814","https://openalex.org/W2106864314","https://openalex.org/W2114673995","https://openalex.org/W2126026248","https://openalex.org/W2127820195","https://openalex.org/W2128296656","https://openalex.org/W2141768007","https://openalex.org/W2149200615","https://openalex.org/W2155677847","https://openalex.org/W2162346886","https://openalex.org/W2162988958","https://openalex.org/W2474707018","https://openalex.org/W2484963638","https://openalex.org/W2554031639","https://openalex.org/W2617209552","https://openalex.org/W2762829118","https://openalex.org/W2786677024","https://openalex.org/W2900729845","https://openalex.org/W2947056267","https://openalex.org/W2951615004","https://openalex.org/W2962917428","https://openalex.org/W2964060933","https://openalex.org/W2964288330","https://openalex.org/W2975742090","https://openalex.org/W2993095415","https://openalex.org/W2996238281","https://openalex.org/W3022612213","https://openalex.org/W3037170119","https://openalex.org/W3080511272","https://openalex.org/W3080857653","https://openalex.org/W3081931087","https://openalex.org/W3131817462","https://openalex.org/W3133786504","https://openalex.org/W3186005148","https://openalex.org/W4206090210","https://openalex.org/W4206627971","https://openalex.org/W4230011833","https://openalex.org/W4255052368","https://openalex.org/W4295308354","https://openalex.org/W4313184368","https://openalex.org/W4318826888","https://openalex.org/W4323520869","https://openalex.org/W4323896827","https://openalex.org/W4366310719","https://openalex.org/W4398226348","https://openalex.org/W4400033220","https://openalex.org/W4402978359"],"related_works":[],"abstract_inverted_index":{"Prevailing":[0],"research":[1],"on":[2],"random":[3],"access":[4,64],"schemes":[5],"often":[6],"overlooks":[7],"the":[8,51,77,80,89,95,105,119,125,129,140,155,159,170,173,180,193],"complexities":[9],"of":[10,53,79,97,108,147,172],"variable":[11],"slot":[12],"durations":[13],"in":[14,135],"freshness-critical":[15,206],"applications,":[16],"especially":[17],"for":[18,75,85,204],"satellite":[19,60],"communication.":[20],"Our":[21],"work":[22],"addresses":[23],"this":[24],"by":[25,57],"developing":[26],"an":[27],"age-optimized":[28],"irregular":[29],"repetition":[30,100],"slotted":[31],"ALOHA":[32,195],"(IRSA)":[33],"framework":[34,176],"design":[35],"that":[36,179],"adaptively":[37],"integrates":[38],"finite-length":[39,86],"forward":[40],"error":[41],"correction":[42],"(FEC)":[43],"to":[44,117,153],"enhance":[45],"information":[46,109],"freshness.":[47],"We":[48],"initially":[49],"model":[50],"Age":[52],"Information":[54],"(AoI)":[55],"dynamics":[56],"jointly":[58],"considering":[59],"link":[61],"characteristics,":[62],"grant-free":[63],"collisions,":[65],"and":[66,99,128,150,165,177,197],"processing":[67],"delays.":[68],"Next,":[69],"we":[70,142],"propose":[71],"a":[72,111,144],"novel":[73],"approach":[74],"estimating":[76],"performance":[78],"packet":[81],"loss":[82],"rate":[83,152],"(PLR)":[84],"IRSA":[87,183,199],"over":[88],"Packet":[90],"Erasure":[91],"Channel":[92],"(PEC),":[93],"capturing":[94],"effects":[96],"coding":[98],"diversity.":[101],"To":[102],"further":[103],"characterize":[104],"temporal":[106],"behavior":[107],"freshness,":[110],"Markovian":[112],"formulation":[113],"is":[114],"then":[115],"derived":[116],"obtain":[118],"stationary":[120],"age":[121,130],"distribution,":[122],"from":[123],"which":[124],"average":[126,156],"AoI":[127,188],"violation":[131],"probability":[132],"are":[133],"computed":[134],"closed":[136],"form.":[137],"Building":[138],"upon":[139],"formulations,":[141],"perform":[143],"joint":[145],"optimization":[146],"frame":[148],"size":[149],"code":[151],"minimize":[154],"AoI,":[157],"revealing":[158],"inherent":[160],"trade-off":[161],"between":[162],"transmission":[163],"redundancy":[164],"latency.":[166],"Numerical":[167],"results":[168],"confirm":[169],"accuracy":[171],"proposed":[174,181],"analytical":[175],"show":[178],"adaptive":[182],"scheme":[184],"achieves":[185],"about":[186],"33%":[187],"reduction":[189],"compared":[190],"with":[191],"conventional":[192],"Slotted":[194],"(SA)":[196],"static":[198],"baselines,":[200],"validating":[201],"its":[202],"effectiveness":[203],"satellite-enabled":[205],"IoT":[207],"systems.":[208]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-11-28T00:00:00"}
