{"id":"https://openalex.org/W4290994006","doi":"https://doi.org/10.1109/icc45855.2022.9839167","title":"Grant-Free Access for Extra-Large MIMO Systems Subject to Spatial Non-Stationarity","display_name":"Grant-Free Access for Extra-Large MIMO Systems Subject to Spatial Non-Stationarity","publication_year":2022,"publication_date":"2022-05-16","ids":{"openalex":"https://openalex.org/W4290994006","doi":"https://doi.org/10.1109/icc45855.2022.9839167"},"language":"en","primary_location":{"id":"doi:10.1109/icc45855.2022.9839167","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45855.2022.9839167","pdf_url":null,"source":{"id":"https://openalex.org/S4363607711","display_name":"ICC 2022 - IEEE International Conference on Communications","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2022 - IEEE International Conference on Communications","raw_type":"proceedings-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/A5035223809","display_name":"Hiroki Iimori","orcid":"https://orcid.org/0000-0003-3417-1513"},"institutions":[{"id":"https://openalex.org/I193619901","display_name":"Constructor University","ror":"https://ror.org/02yrs2n53","country_code":"DE","type":"education","lineage":["https://openalex.org/I193619901"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Hiroki Iimori","raw_affiliation_strings":["Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759"],"affiliations":[{"raw_affiliation_string":"Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759","institution_ids":["https://openalex.org/I193619901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041356552","display_name":"Takumi Takahashi","orcid":"https://orcid.org/0000-0002-5141-6247"},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"Osaka University","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takumi Takahashi","raw_affiliation_strings":["Osaka University,Department of Information and Communications Technology,Suita,Japan,565-0871"],"affiliations":[{"raw_affiliation_string":"Osaka University,Department of Information and Communications Technology,Suita,Japan,565-0871","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026798222","display_name":"Hyeon Seok Rou","orcid":"https://orcid.org/0000-0003-3483-7629"},"institutions":[{"id":"https://openalex.org/I193619901","display_name":"Constructor University","ror":"https://ror.org/02yrs2n53","country_code":"DE","type":"education","lineage":["https://openalex.org/I193619901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hyeon Seok Rou","raw_affiliation_strings":["Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759"],"affiliations":[{"raw_affiliation_string":"Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759","institution_ids":["https://openalex.org/I193619901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059209567","display_name":"Koji Ishibashi","orcid":"https://orcid.org/0000-0002-7145-5622"},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koji Ishibashi","raw_affiliation_strings":["The University of Electro-Communications,AWCC,Tokyo,Japan,182-8585"],"affiliations":[{"raw_affiliation_string":"The University of Electro-Communications,AWCC,Tokyo,Japan,182-8585","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042210188","display_name":"Giuseppe Thadeu Freitas de Abreu","orcid":"https://orcid.org/0000-0002-5018-8174"},"institutions":[{"id":"https://openalex.org/I193619901","display_name":"Constructor University","ror":"https://ror.org/02yrs2n53","country_code":"DE","type":"education","lineage":["https://openalex.org/I193619901"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Giuseppe Thadeu Freitas de Abreu","raw_affiliation_strings":["Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759"],"affiliations":[{"raw_affiliation_string":"Jacobs University Bremen,Focus Area Mobility,Bremen,Germany,28759","institution_ids":["https://openalex.org/I193619901"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100632189","display_name":"David Gonz\u00e1lez G.","orcid":"https://orcid.org/0000-0003-2090-8481"},"institutions":[{"id":"https://openalex.org/I147869694","display_name":"Continental (Germany)","ror":"https://ror.org/0359s0245","country_code":"DE","type":"company","lineage":["https://openalex.org/I147869694"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"David Gonz\u00e1lez G.","raw_affiliation_strings":["Continental AG,Wireless Communications Technologies Group,Frankfurt/Main,Germany,65936"],"affiliations":[{"raw_affiliation_string":"Continental AG,Wireless Communications Technologies Group,Frankfurt/Main,Germany,65936","institution_ids":["https://openalex.org/I147869694"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001239356","display_name":"Osvaldo Gonsa","orcid":"https://orcid.org/0000-0001-5452-8159"},"institutions":[{"id":"https://openalex.org/I147869694","display_name":"Continental (Germany)","ror":"https://ror.org/0359s0245","country_code":"DE","type":"company","lineage":["https://openalex.org/I147869694"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Osvaldo Gonsa","raw_affiliation_strings":["Continental AG,Wireless Communications Technologies Group,Frankfurt/Main,Germany,65936"],"affiliations":[{"raw_affiliation_string":"Continental AG,Wireless Communications Technologies Group,Frankfurt/Main,Germany,65936","institution_ids":["https://openalex.org/I147869694"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5035223809"],"corresponding_institution_ids":["https://openalex.org/I193619901"],"apc_list":null,"apc_paid":null,"fwci":3.2189,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.93951204,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1758","last_page":"1762"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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":0.9994000196456909,"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/T12879","display_name":"Distributed Sensor Networks and Detection Algorithms","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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9979000091552734,"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/mimo","display_name":"MIMO","score":0.7196270823478699},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.654401421546936},{"id":"https://openalex.org/keywords/bilinear-interpolation","display_name":"Bilinear interpolation","score":0.589748203754425},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5856846570968628},{"id":"https://openalex.org/keywords/bernoullis-principle","display_name":"Bernoulli's principle","score":0.5153340697288513},{"id":"https://openalex.org/keywords/bayesian-inference","display_name":"Bayesian inference","score":0.49082955718040466},{"id":"https://openalex.org/keywords/free-probability","display_name":"Free probability","score":0.4592322111129761},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.44878625869750977},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.43783101439476013},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4333966076374054},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.43322306871414185},{"id":"https://openalex.org/keywords/bayesian-probability","display_name":"Bayesian probability","score":0.4035659432411194},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3053179383277893},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.28674042224884033},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21191203594207764},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12702292203903198},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.09878119826316833}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7196270823478699},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.654401421546936},{"id":"https://openalex.org/C205203396","wikidata":"https://www.wikidata.org/wiki/Q612143","display_name":"Bilinear interpolation","level":2,"score":0.589748203754425},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5856846570968628},{"id":"https://openalex.org/C152361515","wikidata":"https://www.wikidata.org/wiki/Q181328","display_name":"Bernoulli's principle","level":2,"score":0.5153340697288513},{"id":"https://openalex.org/C160234255","wikidata":"https://www.wikidata.org/wiki/Q812535","display_name":"Bayesian inference","level":3,"score":0.49082955718040466},{"id":"https://openalex.org/C70120467","wikidata":"https://www.wikidata.org/wiki/Q515893","display_name":"Free probability","level":2,"score":0.4592322111129761},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.44878625869750977},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.43783101439476013},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4333966076374054},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.43322306871414185},{"id":"https://openalex.org/C107673813","wikidata":"https://www.wikidata.org/wiki/Q812534","display_name":"Bayesian probability","level":2,"score":0.4035659432411194},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3053179383277893},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28674042224884033},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21191203594207764},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12702292203903198},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.09878119826316833},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc45855.2022.9839167","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc45855.2022.9839167","pdf_url":null,"source":{"id":"https://openalex.org/S4363607711","display_name":"ICC 2022 - IEEE International Conference on Communications","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2022 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W2038227506","https://openalex.org/W2145245010","https://openalex.org/W2147601077","https://openalex.org/W2286275639","https://openalex.org/W2319784496","https://openalex.org/W2706056020","https://openalex.org/W2811365745","https://openalex.org/W2890736047","https://openalex.org/W2902059755","https://openalex.org/W2931278637","https://openalex.org/W2965486946","https://openalex.org/W2985994751","https://openalex.org/W2992689511","https://openalex.org/W3011593776","https://openalex.org/W3032298269","https://openalex.org/W3032755566","https://openalex.org/W3035528699","https://openalex.org/W3072069827","https://openalex.org/W3080804940","https://openalex.org/W3081279169","https://openalex.org/W3084857938","https://openalex.org/W3098290937","https://openalex.org/W3103121750","https://openalex.org/W3113315656","https://openalex.org/W3126686235","https://openalex.org/W3172078415","https://openalex.org/W3173843961","https://openalex.org/W3186538607","https://openalex.org/W6787361973"],"related_works":["https://openalex.org/W2753218748","https://openalex.org/W2774409638","https://openalex.org/W2018378464","https://openalex.org/W2972592255","https://openalex.org/W2004816686","https://openalex.org/W4231471330","https://openalex.org/W2569469157","https://openalex.org/W2889562828","https://openalex.org/W2133285333","https://openalex.org/W4290994006"],"abstract_inverted_index":{"In":[0,34,90],"this":[1,94],"paper,":[2],"we":[3,96],"propose":[4],"a":[5,29,46,61,80,85,101],"novel":[6,111],"joint":[7],"activity":[8,67],"and":[9,119],"channel":[10],"estimation":[11,142],"(JACE)":[12],"algorithm":[13],"for":[14],"grant-free":[15,70],"extra":[16],"large":[17],"MIMO":[18],"(XL-MIMO)":[19],"systems":[20],"subject":[21],"to":[22,69,92,129],"spatial":[23,76],"non-stationarity":[24],"phenomena":[25],"by":[26,45],"means":[27],"of":[28,49,60,105,133],"Bayesian":[30],"bilinear":[31,102,120],"inference":[32,103],"framework.":[33],"XL-MIMO":[35],"systems,":[36],"the":[37,58,75,98,131,134,139],"signal":[38],"from":[39],"each":[40],"user":[41,66],"is":[42,127],"visible":[43],"only":[44],"small":[47],"portion":[48],"its":[50],"antenna":[51],"arrays,":[52],"which":[53,137],"are":[54],"typically":[55],"distributed":[56],"over":[57],"surface":[59],"certain":[62],"structure.":[63],"The":[64],"sporadic":[65],"due":[68],"access,":[71],"as":[72,74],"well":[73],"non-stationarity,":[77],"jointly":[78],"imposes":[79],"challenging":[81],"JACE":[82],"problem":[83,104],"involving":[84],"nested":[86],"Bernoulli-Gaussian":[87],"random":[88,108],"variable.":[89],"order":[91],"address":[93],"issue,":[95],"decompose":[97],"latter":[99],"into":[100],"two":[106],"independent":[107],"quantities,":[109],"deriving":[110],"message":[112],"passing":[113],"rules":[114],"based":[115],"on":[116],"Gaussian":[117],"approximation":[118],"inference.":[121],"Performance":[122],"evaluation":[123],"via":[124],"software":[125],"simulations":[126],"offered":[128],"demonstrate":[130],"effectiveness":[132],"proposed":[135],"algorithm,":[136],"achieves":[138],"Genie-aided":[140],"ideal":[141],"performance.":[143]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":5},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}