{"id":"https://openalex.org/W4403277903","doi":"https://doi.org/10.1109/tcomm.2024.3477289","title":"Downlink Massive MIMO Channel Estimation via Deep Unrolling: Sparsity Exploitations in Angular Domain","display_name":"Downlink Massive MIMO Channel Estimation via Deep Unrolling: Sparsity Exploitations in Angular Domain","publication_year":2024,"publication_date":"2024-10-09","ids":{"openalex":"https://openalex.org/W4403277903","doi":"https://doi.org/10.1109/tcomm.2024.3477289"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2024.3477289","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2024.3477289","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5005347949","display_name":"An Chen","orcid":"https://orcid.org/0000-0001-8863-8524"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"An Chen","raw_affiliation_strings":["Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0001-8863-8524","affiliations":[{"raw_affiliation_string":"Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034496384","display_name":"Wenbo Xu","orcid":"https://orcid.org/0000-0003-0791-7690"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenbo Xu","raw_affiliation_strings":["Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, China"],"raw_orcid":"https://orcid.org/0000-0003-0791-7690","affiliations":[{"raw_affiliation_string":"Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036185464","display_name":"Liyang Lu","orcid":"https://orcid.org/0000-0002-9589-7484"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liyang Lu","raw_affiliation_strings":["Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-9589-7484","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066926793","display_name":"Yue Wang","orcid":"https://orcid.org/0000-0002-3596-2280"},"institutions":[{"id":"https://openalex.org/I181565077","display_name":"Georgia State University","ror":"https://ror.org/03qt6ba18","country_code":"US","type":"education","lineage":["https://openalex.org/I181565077"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yue Wang","raw_affiliation_strings":["Department of Computer Science, Georgia State University, Atlanta, GA, USA"],"raw_orcid":"https://orcid.org/0000-0002-3596-2280","affiliations":[{"raw_affiliation_string":"Department of Computer Science, Georgia State University, Atlanta, GA, USA","institution_ids":["https://openalex.org/I181565077"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102023049","display_name":"Zhaocheng Wang","orcid":"https://orcid.org/0000-0002-6150-3846"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaocheng Wang","raw_affiliation_strings":["Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-6150-3846","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Beijing National Research Center for Information Science and Technology, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5005347949"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.2003,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.52143575,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"73","issue":"4","first_page":"2817","last_page":"2831"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9965999722480774,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9958000183105469,"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/telecommunications-link","display_name":"Telecommunications link","score":0.6788827180862427},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6481965184211731},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6386951208114624},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5062567591667175},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4293905794620514},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.32804176211357117},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15958669781684875}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6788827180862427},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6481965184211731},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6386951208114624},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5062567591667175},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4293905794620514},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32804176211357117},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15958669781684875}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2024.3477289","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2024.3477289","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G37060408","display_name":null,"funder_award_id":"62371053","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5579027751","display_name":null,"funder_award_id":"2024M751680","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8410267892","display_name":null,"funder_award_id":"2024M751680","funder_id":"https://openalex.org/F4320335443","funder_display_name":"Postdoctoral Research Foundation of China"},{"id":"https://openalex.org/G8882490512","display_name":null,"funder_award_id":"2413622","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335443","display_name":"Postdoctoral Research Foundation of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1587872684","https://openalex.org/W1906838983","https://openalex.org/W2075506710","https://openalex.org/W2109379066","https://openalex.org/W2111953900","https://openalex.org/W2117575248","https://openalex.org/W2120549790","https://openalex.org/W2126607811","https://openalex.org/W2128865660","https://openalex.org/W2141682101","https://openalex.org/W2147012791","https://openalex.org/W2163754837","https://openalex.org/W2297832764","https://openalex.org/W2312236584","https://openalex.org/W2401839749","https://openalex.org/W2553090309","https://openalex.org/W2555737044","https://openalex.org/W2611707906","https://openalex.org/W2612012914","https://openalex.org/W2739833327","https://openalex.org/W2756105777","https://openalex.org/W2792273065","https://openalex.org/W2804146383","https://openalex.org/W2889720685","https://openalex.org/W2963326336","https://openalex.org/W2971239382","https://openalex.org/W3007072756","https://openalex.org/W3011593776","https://openalex.org/W3037339607","https://openalex.org/W3045073837","https://openalex.org/W3097670482","https://openalex.org/W3133902371","https://openalex.org/W3196860475","https://openalex.org/W3199132470","https://openalex.org/W4221160298","https://openalex.org/W4226239314","https://openalex.org/W4389317775","https://openalex.org/W4392153129","https://openalex.org/W4392251600","https://openalex.org/W4401726474","https://openalex.org/W6754103055"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W2909457694","https://openalex.org/W3193749313"],"abstract_inverted_index":{"In":[0,32],"frequency":[1],"division":[2],"duplex":[3],"(FDD)":[4],"massive":[5,60],"multiple":[6,8],"input":[7],"output":[9],"(MIMO)":[10],"systems,":[11],"reliable":[12],"downlink":[13],"channel":[14,41,51,62,100],"estimation":[15,52,101,120],"is":[16,115,128,150],"essential":[17],"but":[18],"requires":[19],"huge":[20],"pilot":[21,36,189],"overhead":[22,37,190],"due":[23],"to":[24,34,152,166],"hundreds":[25],"of":[26,59,80,86,117,141,156,159,170],"antennas":[27],"at":[28],"base":[29],"station":[30],"(BS).":[31],"order":[33],"reduce":[35],"without":[38],"compromising":[39],"the":[40,55,74,78,84,154,157,168],"estimation,":[42],"compressive":[43],"sensing":[44],"(CS)":[45],"has":[46],"been":[47],"widely":[48],"applied":[49],"for":[50],"by":[53,103,134],"exploiting":[54,135],"inherent":[56],"sparse":[57],"structure":[58],"MIMO":[61],"in":[63,130,143],"angular":[64,144],"domain.":[65,145],"However,":[66],"it":[67],"still":[68],"suffers":[69],"from":[70],"high":[71,185],"complexity":[72],"during":[73],"optimization":[75],"process":[76],"and":[77,107,122,138,174,191],"requirement":[79,155],"prior":[81],"information":[82],"on":[83],"number":[85,158],"spatial":[87,160],"paths":[88],"(PINP).":[89],"To":[90],"overcome":[91],"these":[92],"challenges,":[93],"this":[94],"paper":[95],"develops":[96],"a":[97,118,123,131,147],"novel":[98],"hybrid":[99],"scheme":[102,114,182],"integrating":[104],"model-driven":[105],"CS":[106],"data-driven":[108],"deep":[109],"unrolling":[110],"techniques.":[111],"The":[112],"proposed":[113,151],"composed":[116],"coarse":[119,175],"part":[121],"fine":[124,172],"correction":[125,173],"part,":[126],"which":[127],"implemented":[129],"two-stage":[132],"manner":[133],"both":[136,171],"inter-":[137],"intra-frame":[139],"sparsities":[140],"channels":[142],"Additionally,":[146],"threshold":[148],"function":[149],"eliminate":[153],"paths.":[161],"Theoretical":[162],"results":[163,178],"are":[164],"provided":[165],"indicate":[167],"convergence":[169],"estimation.":[176],"Numerical":[177],"demonstrate":[179],"that":[180],"our":[181],"can":[183],"achieve":[184],"accuracy":[186],"with":[187],"less":[188],"low":[192],"complexity.":[193]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2025-12-27T23:08:20.325037","created_date":"2025-10-10T00:00:00"}
