{"id":"https://openalex.org/W4294691582","doi":"https://doi.org/10.1109/lwc.2022.3204173","title":"Two Low-Complexity DOA Estimators for Massive/Ultra-Massive MIMO Receive Array","display_name":"Two Low-Complexity DOA Estimators for Massive/Ultra-Massive MIMO Receive Array","publication_year":2022,"publication_date":"2022-09-05","ids":{"openalex":"https://openalex.org/W4294691582","doi":"https://doi.org/10.1109/lwc.2022.3204173"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2022.3204173","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2022.3204173","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5100439328","display_name":"Yi-Wen Chen","orcid":"https://orcid.org/0000-0002-2979-3329"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiwen Chen","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039684064","display_name":"Xichao Zhan","orcid":null},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xichao Zhan","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044969631","display_name":"Feng Shu","orcid":"https://orcid.org/0000-0003-0073-1965"},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]},{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Shu","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou, China","School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-0073-1965","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]},{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075299616","display_name":"Qijuan Jie","orcid":null},"institutions":[{"id":"https://openalex.org/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qijuan Jie","raw_affiliation_strings":["School of Information and Communication Engineering, Hainan University, Haikou, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074218783","display_name":"Xin Cheng","orcid":"https://orcid.org/0000-0001-6615-3104"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Cheng","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-6615-3104","affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053896662","display_name":"Zhihong Zhuang","orcid":"https://orcid.org/0000-0001-9539-6180"},"institutions":[{"id":"https://openalex.org/I36399199","display_name":"Nanjing University of Science and Technology","ror":"https://ror.org/00xp9wg62","country_code":"CN","type":"education","lineage":["https://openalex.org/I36399199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhihong Zhuang","raw_affiliation_strings":["School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, China","institution_ids":["https://openalex.org/I36399199"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029002143","display_name":"Jiangzhou Wang","orcid":"https://orcid.org/0000-0003-0881-3594"},"institutions":[{"id":"https://openalex.org/I20581793","display_name":"University of Kent","ror":"https://ror.org/00xkeyj56","country_code":"GB","type":"education","lineage":["https://openalex.org/I20581793"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Jiangzhou Wang","raw_affiliation_strings":["School of Engineering, University of Kent, Canterbury, U.K"],"raw_orcid":"https://orcid.org/0000-0003-0881-3594","affiliations":[{"raw_affiliation_string":"School of Engineering, University of Kent, Canterbury, U.K","institution_ids":["https://openalex.org/I20581793"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2767,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.78176383,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"11","issue":"11","first_page":"2385","last_page":"2389"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T11946","display_name":"Antenna Design and Optimization","score":0.9991000294685364,"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/T10860","display_name":"Speech and Audio Processing","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6332288980484009},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6291557550430298},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5426793694496155},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5053956508636475},{"id":"https://openalex.org/keywords/direction-of-arrival","display_name":"Direction of arrival","score":0.4191017746925354},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4128352701663971},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3527640402317047},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35098403692245483},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.287416934967041},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14058804512023926},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.11970806121826172},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08625811338424683}],"concepts":[{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6332288980484009},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6291557550430298},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5426793694496155},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5053956508636475},{"id":"https://openalex.org/C172051844","wikidata":"https://www.wikidata.org/wiki/Q5280438","display_name":"Direction of arrival","level":3,"score":0.4191017746925354},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4128352701663971},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3527640402317047},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35098403692245483},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.287416934967041},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14058804512023926},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.11970806121826172},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08625811338424683}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2022.3204173","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2022.3204173","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2546510943","display_name":null,"funder_award_id":"2018YFB180110","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G336433051","display_name":null,"funder_award_id":"ZDKJ2021022","funder_id":"https://openalex.org/F4320325360","funder_display_name":"Hainan Association for Science and Technology"},{"id":"https://openalex.org/G343839039","display_name":null,"funder_award_id":"KYQD(ZR)-21008","funder_id":"https://openalex.org/F4320323370","funder_display_name":"Hainan University"},{"id":"https://openalex.org/G5420527877","display_name":"\u65e0\u4eba\u673a\u534f\u540c\u7f51\u7edc\u4e2d\u57fa\u4e8e\u65b9\u5411\u8c03\u5236\u7684\u9690\u853d\u5b89\u5168\u4f20\u8f93\u65b9\u6cd5\u4e0e\u7406\u8bba\u7814\u7a76","funder_award_id":"61972093","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7701723719","display_name":"\u6df7\u5408\u6a21\u62df\u6570\u5b57\u7ed3\u6784\u7a7a\u95f4\u8c03\u5236\u65e0\u7ebf\u7f51\u7edc\u5b89\u5168\u4f20\u8f93\u7406\u8bba\u4e0e\u6280\u672f\u7814\u7a76","funder_award_id":"62071234","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320323370","display_name":"Hainan University","ror":"https://ror.org/03q648j11"},{"id":"https://openalex.org/F4320325360","display_name":"Hainan Association for Science and Technology","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W79131877","https://openalex.org/W432844638","https://openalex.org/W2021046826","https://openalex.org/W2195693430","https://openalex.org/W2598194391","https://openalex.org/W2810871807","https://openalex.org/W2963456405","https://openalex.org/W2973265422","https://openalex.org/W3097867459","https://openalex.org/W3162928667","https://openalex.org/W3205428400","https://openalex.org/W3207020834","https://openalex.org/W4225508650","https://openalex.org/W6603171186"],"related_works":["https://openalex.org/W4287880334","https://openalex.org/W4366700029","https://openalex.org/W4285230481","https://openalex.org/W4385769873","https://openalex.org/W4281634296","https://openalex.org/W4319161863","https://openalex.org/W2134520490","https://openalex.org/W2801687921","https://openalex.org/W2132370204","https://openalex.org/W2372955329"],"abstract_inverted_index":{"Eigen-decomposition-based":[0],"direction":[1,55,148],"finding":[2,56],"methods":[3,207],"of":[4,71,78,126,140,199],"using":[5,137,178],"large-scale/ultra-large-scale":[6],"fully-digital":[7],"receive":[8],"antenna":[9],"arrays":[10],"lead":[11],"to":[12,95,115,143,157,202],"a":[13,101,138,171,210,230],"high":[14],"or":[15],"ultra-high":[16],"complexity.":[17],"To":[18,128],"address":[19],"the":[20,52,65,68,97,104,112,117,124,131,134,151,159,167,183,197,204,218,224,227],"complexity":[21,212],"dilemma,":[22],"in":[23,64,111,133],"this":[24],"letter,":[25],"three":[26,206],"low-complexity":[27],"estimators":[28],"are":[29,73,92],"proposed:":[30],"partitioned":[31,36,75],"subarray":[32,37,83],"auto-correlation":[33],"combining":[34,39],"(PSAC),":[35],"cross-correlation":[38,105],"(PSCC)":[40],"and":[41,88,170,180,220],"power":[42,152],"iteration":[43],"max":[44],"correlation":[45,185],"successive":[46,189],"convex":[47,190],"approximation":[48],"(PI-Max-CSCA).":[49],"Compared":[50],"with":[51,123],"conventional":[53,215],"no-partitioned":[54],"method":[57,114,154,186],"like":[58],"root":[59],"multiple":[60],"signal":[61],"classification":[62],"(Root-MUSIC),":[63],"PSAC":[66,228],"method,":[67,136],"total":[69,168],"set":[70],"antennas":[72,200],"equally":[74],"into":[76],"subsets":[77],"antennas,":[79],"called":[80],"subarrays,":[81],"each":[82],"performs":[84],"independent":[85],"DOA":[86,90,174],"estimation,":[87],"all":[89,141],"estimates":[91],"coherently":[93],"combined":[94],"give":[96],"final":[98],"estimation.":[99],"For":[100],"better":[102],"performance,":[103],"among":[106],"sub-arrays":[107],"is":[108,155,176],"further":[109,129],"exploited":[110],"PSCC":[113,219],"achieve":[116,209],"near-Cramer-Rao":[118],"lower":[119],"bound":[120],"(CRLB)":[121],"performance":[122,232],"help":[125],"auto-correlation.":[127],"reduce":[130],"complexity,":[132],"PI-Max-CSCA":[135,221],"fraction":[139],"subarrays":[142],"make":[144],"an":[145],"initial":[146],"coarse":[147],"measurement":[149],"(ICDM),":[150],"iterative":[153],"adopted":[156],"compute":[158],"more":[160,172],"precise":[161],"steering":[162],"vector":[163],"(SV)":[164],"by":[165,188],"exploiting":[166],"array,":[169],"accurate":[173],"value":[175],"found":[177],"ICDM":[179],"SV":[181],"through":[182],"maximum":[184],"solved":[187],"approximation.":[191],"Simulation":[192],"results":[193],"show":[194],"that":[195],"as":[196],"number":[198],"goes":[201],"large-scale,":[203],"proposed":[205],"can":[208,222],"dramatic":[211],"reduction":[213],"over":[214],"Root-MUISC.":[216],"Particularly,":[217],"reach":[223],"CRLB":[225],"while":[226],"shows":[229],"substantial":[231],"loss.":[233]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4}],"updated_date":"2026-07-20T07:56:41.581041","created_date":"2025-10-10T00:00:00"}
