{"id":"https://openalex.org/W4414603066","doi":"https://doi.org/10.1109/twc.2025.3612505","title":"Tensor-Based Unsourced Random Access for LEO Satellite Internet of Things","display_name":"Tensor-Based Unsourced Random Access for LEO Satellite Internet of Things","publication_year":2025,"publication_date":"2025-09-29","ids":{"openalex":"https://openalex.org/W4414603066","doi":"https://doi.org/10.1109/twc.2025.3612505"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3612505","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3612505","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/A5058929787","display_name":"Ziqi Kang","orcid":"https://orcid.org/0009-0003-2084-610X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ziqi Kang","raw_affiliation_strings":["Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030244451","display_name":"Dongxuan He","orcid":"https://orcid.org/0000-0002-5429-3318"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dongxuan He","raw_affiliation_strings":["Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100403944","display_name":"Hua Wang","orcid":"https://orcid.org/0000-0002-3660-4290"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hua Wang","raw_affiliation_strings":["Beijing Institute of Technology, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011236120","display_name":"Weijie Yuan","orcid":"https://orcid.org/0000-0002-2158-0046"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijie Yuan","raw_affiliation_strings":["School of Automation and Intelligent Manufacturing, Southern University of Science and Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"School of Automation and Intelligent Manufacturing, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030858163","display_name":"Tony Q. S. Quek","orcid":"https://orcid.org/0000-0002-4037-3149"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Tony Q. S. Quek","raw_affiliation_strings":["Singapore University of Technology and Design, Tampines, Singapore","Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Singapore University of Technology and Design, Tampines, Singapore","institution_ids":["https://openalex.org/I152815399"]},{"raw_affiliation_string":"Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5058929787"],"corresponding_institution_ids":["https://openalex.org/I125839683"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28087004,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"4613","last_page":"4625"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","score":0.9764000177383423,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9764000177383423,"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":0.9746000170707703,"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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9506999850273132,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/codebook","display_name":"Codebook","score":0.8057000041007996},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.6029999852180481},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5407000184059143},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.4839000105857849},{"id":"https://openalex.org/keywords/relaxation","display_name":"Relaxation (psychology)","score":0.450300008058548},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.43209999799728394},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4228000044822693},{"id":"https://openalex.org/keywords/uniqueness","display_name":"Uniqueness","score":0.4075999855995178},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.36149999499320984},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.3497999906539917}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8140000104904175},{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.8057000041007996},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.6029999852180481},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5407000184059143},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.4839000105857849},{"id":"https://openalex.org/C2776029896","wikidata":"https://www.wikidata.org/wiki/Q3935810","display_name":"Relaxation (psychology)","level":2,"score":0.450300008058548},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.43209999799728394},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4228000044822693},{"id":"https://openalex.org/C2777021972","wikidata":"https://www.wikidata.org/wiki/Q22976830","display_name":"Uniqueness","level":2,"score":0.4075999855995178},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4065000116825104},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.36149999499320984},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.3497999906539917},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.3431999981403351},{"id":"https://openalex.org/C2776061190","wikidata":"https://www.wikidata.org/wiki/Q7451805","display_name":"Separation (statistics)","level":2,"score":0.3402999937534332},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3321000039577484},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.3287999927997589},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.32409998774528503},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3240000009536743},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.31470000743865967},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3098999857902527},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.30489999055862427},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3012000024318695},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.296999990940094},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.2953999936580658},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.29420000314712524},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.2872999906539917},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.28529998660087585},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.27900001406669617},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.2745000123977661},{"id":"https://openalex.org/C31243852","wikidata":"https://www.wikidata.org/wiki/Q1666739","display_name":"Stochastic geometry","level":2,"score":0.2736999988555908},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.2721000015735626},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.263700008392334},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.263700008392334},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.2533999979496002},{"id":"https://openalex.org/C9936470","wikidata":"https://www.wikidata.org/wiki/Q6510405","display_name":"Least-squares function approximation","level":3,"score":0.25}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3612505","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3612505","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1500993556","https://openalex.org/W1604498830","https://openalex.org/W1989811026","https://openalex.org/W2024165284","https://openalex.org/W2038194220","https://openalex.org/W2044777402","https://openalex.org/W2044901395","https://openalex.org/W2058401212","https://openalex.org/W2066392792","https://openalex.org/W2138996475","https://openalex.org/W2508031406","https://openalex.org/W2742359230","https://openalex.org/W2743723736","https://openalex.org/W2899776773","https://openalex.org/W2911529145","https://openalex.org/W2976586224","https://openalex.org/W2983047351","https://openalex.org/W2997272232","https://openalex.org/W3001370401","https://openalex.org/W3007804894","https://openalex.org/W3015801342","https://openalex.org/W3027993135","https://openalex.org/W3032755566","https://openalex.org/W3046595859","https://openalex.org/W3089248281","https://openalex.org/W3105661242","https://openalex.org/W3109886790","https://openalex.org/W3126402919","https://openalex.org/W3188554269","https://openalex.org/W3211619005","https://openalex.org/W4220863604","https://openalex.org/W4225938738","https://openalex.org/W4226242403","https://openalex.org/W4229972328","https://openalex.org/W4282978725","https://openalex.org/W4312629554","https://openalex.org/W4312685994","https://openalex.org/W4315783160","https://openalex.org/W4378697019","https://openalex.org/W4390938914","https://openalex.org/W4391741428","https://openalex.org/W4402208698","https://openalex.org/W4407937643"],"related_works":[],"abstract_inverted_index":{"With":[0],"the":[1,10,49,55,66,81,116,138,141,145,166,175,182,189,196,203,206,214,220,238,243],"rapid":[2],"expansion":[3],"of":[4,6,12,84,128,140,177,185,208],"Internet":[5],"Things":[7],"(IoT)":[8],"applications,":[9,39],"demand":[11,176],"wide":[13],"coverage":[14],"and":[15,44,68,97,119,169],"massive":[16,26],"connectivity":[17],"is":[18,62,100,112],"inevitable.":[19],"In":[20],"this":[21,23],"context,":[22],"paper":[24],"investigates":[25],"unsourced":[27],"random":[28],"access":[29,82],"(URA)":[30],"paradigm":[31],"for":[32,131,246],"low":[33],"earth":[34],"orbit":[35],"(LEO)":[36],"satellite":[37,249],"IoT":[38,250],"focusing":[40],"on":[41,174,213],"device":[42,117],"separation":[43,67,118],"signal":[45,120],"detection.":[46],"By":[47],"exploiting":[48],"structured":[50],"Grassmannian":[51],"constellation":[52],"to":[53,79,114,192,195],"generate":[54],"codebook,":[56],"a":[57,72,89,125,153,162,178],"tensor-based":[58],"URA":[59,87],"transmission":[60],"scheme":[61],"provided,":[63],"which":[64,122,160,200],"models":[65],"detection":[69,167,218],"problem":[70],"as":[71],"general":[73],"canonical":[74],"polyadic":[75],"(CP)":[76],"decomposition.":[77],"Then,":[78],"evaluate":[80],"capability":[83],"our":[85,147],"considered":[86],"scheme,":[88],"comprehensive":[90],"uniqueness":[91],"analysis":[92],"considering":[93],"both":[94],"sufficient":[95],"conditions":[96,99],"necessary":[98],"presented.":[101],"Accordingly,":[102],"an":[103],"efficient":[104],"generalized":[105],"line-search-accelerated":[106],"alternating":[107],"least":[108],"squares":[109],"(GLSA-ALS)":[110],"method":[111,149,191,241],"proposed":[113,148,190,239],"conduct":[115],"detection,":[121],"can":[123,150,201,231],"avoid":[124],"large":[126],"number":[127],"inverse":[129],"computations":[130],"large-scale":[132],"matrices.":[133],"To":[134],"be":[135,193,232],"specific,":[136],"with":[137,156],"help":[139],"relaxation":[142,186],"factors":[143,187],"during":[144],"iteration,":[146],"converge":[151],"at":[152,205],"fast":[154],"speed":[155],"negligible":[157],"performance":[158,204],"loss,":[159],"facilitates":[161],"better":[163],"trade-off":[164],"between":[165],"accuracy":[168],"computational":[170],"complexity.":[171,210],"Furthermore,":[172],"depending":[173],"specific":[179],"application":[180],"scenario,":[181],"flexible":[183],"selection":[184],"enables":[188],"compatible":[194],"classical":[197],"ALS":[198],"method,":[199],"enhance":[202],"cost":[207],"additional":[209],"Finally,":[211],"relying":[212],"maximum":[215],"likelihood":[216],"(ML)-based":[217],"approach,":[219],"message":[221],"list":[222],"transmitted":[223],"by":[224],"active":[225],"devices":[226],"from":[227],"one":[228],"common":[229],"codebook":[230],"recovered.":[233],"Simulation":[234],"results":[235],"demonstrate":[236],"that":[237],"GLSA-ALS":[240],"outperforms":[242],"state-of-the-art":[244],"methods":[245],"practical":[247],"LEO":[248],"applications.":[251]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-10T00:00:00"}