{"id":"https://openalex.org/W4280612812","doi":"https://doi.org/10.1109/wcnc51071.2022.9771869","title":"Graph Neural Network Aided Expectation Propagation Detector for MU-MIMO Systems","display_name":"Graph Neural Network Aided Expectation Propagation Detector for MU-MIMO Systems","publication_year":2022,"publication_date":"2022-04-10","ids":{"openalex":"https://openalex.org/W4280612812","doi":"https://doi.org/10.1109/wcnc51071.2022.9771869"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc51071.2022.9771869","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc51071.2022.9771869","pdf_url":null,"source":{"id":"https://openalex.org/S4363607776","display_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","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":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5086134860","display_name":"Alva Kosasih","orcid":"https://orcid.org/0000-0001-7594-2367"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Alva Kosasih","raw_affiliation_strings":["The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","institution_ids":["https://openalex.org/I129604602"]},{"raw_affiliation_string":"Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031399365","display_name":"Vincent Onasis","orcid":null},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Vincent Onasis","raw_affiliation_strings":["The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","institution_ids":["https://openalex.org/I129604602"]},{"raw_affiliation_string":"Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003076132","display_name":"Wibowo Hardjawana","orcid":"https://orcid.org/0000-0001-6775-8682"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Wibowo Hardjawana","raw_affiliation_strings":["The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","institution_ids":["https://openalex.org/I129604602"]},{"raw_affiliation_string":"Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067258253","display_name":"Vera Miloslavskaya","orcid":"https://orcid.org/0000-0003-2147-2448"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Vera Miloslavskaya","raw_affiliation_strings":["The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","institution_ids":["https://openalex.org/I129604602"]},{"raw_affiliation_string":"Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007690555","display_name":"Victor Andrean","orcid":null},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Victor Andrean","raw_affiliation_strings":["National Taiwan University of Science and Technology,Mobilizing Information Technology Lab.,Taipei,Taiwan","Mobilizing Information Technology Lab., National Taiwan University of Science and Technology, Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Mobilizing Information Technology Lab.,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Mobilizing Information Technology Lab., National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059627549","display_name":"Jenq\u2010Shiou Leu","orcid":"https://orcid.org/0000-0001-7197-9912"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jenq-Shiou Leu","raw_affiliation_strings":["National Taiwan University of Science and Technology,Mobilizing Information Technology Lab.,Taipei,Taiwan","Mobilizing Information Technology Lab., National Taiwan University of Science and Technology, Taipei, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Mobilizing Information Technology Lab.,Taipei,Taiwan","institution_ids":["https://openalex.org/I154864474"]},{"raw_affiliation_string":"Mobilizing Information Technology Lab., National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5043371405","display_name":"Branka Vucetic","orcid":"https://orcid.org/0000-0002-2700-2001"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"The University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Branka Vucetic","raw_affiliation_strings":["The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of Sydney,Centre of Excellence in Telecommunications,Sydney,Australia","institution_ids":["https://openalex.org/I129604602"]},{"raw_affiliation_string":"Centre of Excellence in Telecommunications, The University of Sydney, Sydney, Australia","institution_ids":["https://openalex.org/I129604602"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1212","last_page":"1217"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9957000017166138,"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":0.9957000017166138,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9782000184059143,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9667999744415283,"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":0.8192128539085388},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.8146404027938843},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7320280075073242},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5975817441940308},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5604934692382812},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.521024227142334},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5130240321159363},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.46536970138549805},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4453940689563751},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.43786856532096863},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.4360898435115814},{"id":"https://openalex.org/keywords/3g-mimo","display_name":"3G MIMO","score":0.42264264822006226},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4087260961532593},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3538035750389099},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.32820701599121094},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3012867569923401},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28222811222076416},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.26855891942977905},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.19851624965667725},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.18913128972053528},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15658703446388245},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.15619879961013794},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.09206211566925049}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.8192128539085388},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.8146404027938843},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7320280075073242},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5975817441940308},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5604934692382812},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.521024227142334},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5130240321159363},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.46536970138549805},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4453940689563751},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.43786856532096863},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.4360898435115814},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.42264264822006226},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4087260961532593},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3538035750389099},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.32820701599121094},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3012867569923401},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28222811222076416},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.26855891942977905},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.19851624965667725},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.18913128972053528},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15658703446388245},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.15619879961013794},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.09206211566925049},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc51071.2022.9771869","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc51071.2022.9771869","pdf_url":null,"source":{"id":"https://openalex.org/S4363607776","display_name":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","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":"2022 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1528653255","https://openalex.org/W1667950888","https://openalex.org/W1992036418","https://openalex.org/W1997002146","https://openalex.org/W2082029531","https://openalex.org/W2114908991","https://openalex.org/W2139584447","https://openalex.org/W2804075771","https://openalex.org/W2893910439","https://openalex.org/W2902315384","https://openalex.org/W2964047892","https://openalex.org/W2964084343","https://openalex.org/W3039124110","https://openalex.org/W3040694955","https://openalex.org/W3180488010","https://openalex.org/W4211049957","https://openalex.org/W4248709896","https://openalex.org/W4295312788","https://openalex.org/W6766978945"],"related_works":["https://openalex.org/W2586461597","https://openalex.org/W3047308574","https://openalex.org/W2092533696","https://openalex.org/W3110893818","https://openalex.org/W2573863605","https://openalex.org/W2108691465","https://openalex.org/W3186558518","https://openalex.org/W1965357332","https://openalex.org/W2347806465","https://openalex.org/W4252330435"],"abstract_inverted_index":{"Multiuser":[0],"massive":[1],"multiple-input":[2],"multiple-output":[3],"(MU-MIMO)":[4],"systems":[5],"can":[6],"be":[7],"used":[8],"to":[9,35,76],"meet":[10],"high":[11,43],"throughput":[12],"requirements":[13],"of":[14,32,49,67,84,113],"5G":[15],"and":[16,71,115],"beyond":[17],"networks.":[18],"In":[19],"an":[20],"uplink":[21],"MU-MIMO":[22,104],"system,":[23],"a":[24,29,36,42,50,54,60],"base":[25],"station":[26],"is":[27,53],"serving":[28],"large":[30],"number":[31,112],"users,":[33],"leading":[34],"strong":[37,51,107],"multi-user":[38],"interference":[39],"(MUI).":[40],"Designing":[41],"performance":[44],"detector":[45,62,99],"in":[46,89,106],"the":[47,65,78,82,85,96,102],"presence":[48],"MUI":[52,108],"challenging":[55],"problem.":[56],"This":[57],"work":[58],"proposes":[59],"novel":[61],"based":[63],"on":[64],"concepts":[66],"expectation":[68],"propagation":[69],"(EP)":[70],"graph":[72],"neural":[73],"network,":[74],"referred":[75],"as":[77],"GEPNet":[79,98],"detector,":[80],"addressing":[81],"limitation":[83],"independent":[86],"Gaussian":[87],"approximation":[88],"EP.":[90],"The":[91],"simulation":[92],"results":[93],"show":[94],"that":[95],"proposed":[97],"significantly":[100],"outperforms":[101],"state-of-the-art":[103],"detectors":[105],"scenarios":[109],"with":[110],"equal":[111],"transmit":[114],"receive":[116],"antennas.":[117]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}