{"id":"https://openalex.org/W4400813551","doi":"https://doi.org/10.1155/2024/7727469","title":"Channel Estimation Algorithm Based on Spatial Direction Acquisition and Dynamic\u2010Window Expansion in Massive MIMO System","display_name":"Channel Estimation Algorithm Based on Spatial Direction Acquisition and Dynamic\u2010Window Expansion in Massive MIMO System","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4400813551","doi":"https://doi.org/10.1155/2024/7727469"},"language":"en","primary_location":{"id":"doi:10.1155/2024/7727469","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2024/7727469","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/2024/7727469","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/2024/7727469","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100359975","display_name":"Shufeng Li","orcid":"https://orcid.org/0000-0002-3846-704X"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shufeng Li","raw_affiliation_strings":["The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049676907","display_name":"Baoxin Su","orcid":"https://orcid.org/0009-0005-0157-5943"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Baoxin Su","raw_affiliation_strings":["The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100315662","display_name":"Yiming Liu","orcid":"https://orcid.org/0000-0002-6951-7732"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiming Liu","raw_affiliation_strings":["The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100321080","display_name":"Junwei Zhang","orcid":"https://orcid.org/0000-0002-7411-5930"},"institutions":[{"id":"https://openalex.org/I75689368","display_name":"Communication University of China","ror":"https://ror.org/04facbs33","country_code":"CN","type":"education","lineage":["https://openalex.org/I75689368"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junwei Zhang","raw_affiliation_strings":["The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Media Convergence and Communication ,  School of Information and Communication Engineering ,  Communication University of China , Dingfuzhuang East Street,  Beijing ,  100024 ,  China ,  cuc.edu.cn","institution_ids":["https://openalex.org/I75689368"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077348863","display_name":"Minglei You","orcid":"https://orcid.org/0000-0002-7445-1571"},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Minglei You","raw_affiliation_strings":["PEMC Electrical and Electronic Engineering ,  University of Nottingham , Nottingham University Park,  Nottingham ,  NG7 2RD ,  UK ,  nottingham.ac.uk"],"affiliations":[{"raw_affiliation_string":"PEMC Electrical and Electronic Engineering ,  University of Nottingham , Nottingham University Park,  Nottingham ,  NG7 2RD ,  UK ,  nottingham.ac.uk","institution_ids":["https://openalex.org/I142263535"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100359975"],"corresponding_institution_ids":["https://openalex.org/I75689368"],"apc_list":{"value":2500,"currency":"USD","value_usd":2500},"apc_paid":{"value":2500,"currency":"USD","value_usd":2500},"fwci":0.6263,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67601172,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"2024","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9995999932289124,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/window","display_name":"Window (computing)","score":0.7261142730712891},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7259387969970703},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6567582488059998},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6315119862556458},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6054179668426514},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22146102786064148}],"concepts":[{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.7261142730712891},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7259387969970703},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6567582488059998},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6315119862556458},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6054179668426514},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22146102786064148},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2024/7727469","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2024/7727469","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/2024/7727469","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"},{"id":"pmh:oai:nottingham-repository.worktribe.com:37320220","is_oa":true,"landing_page_url":"https://nottingham-repository.worktribe.com/output/37320220","pdf_url":"https://nottingham-repository.worktribe.com/file/37320220/1/International%20Journal%20of%20Intelligent%20Systems%20-%202024%20-%20Li%20-%20Channel%20Estimation%20Algorithm%20Based%20on%20Spatial%20Direction","source":{"id":"https://openalex.org/S4306402483","display_name":"Repository@Nottingham (University of Nottingham)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I142263535","host_organization_name":"University of Nottingham","host_organization_lineage":["https://openalex.org/I142263535"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"publishedVersion"}],"best_oa_location":{"id":"doi:10.1155/2024/7727469","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2024/7727469","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1155/2024/7727469","source":{"id":"https://openalex.org/S57950554","display_name":"International Journal of Intelligent Systems","issn_l":"0884-8173","issn":["0884-8173","1098-111X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Intelligent Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2376276132","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7815002122","display_name":null,"funder_award_id":"CUC23GG13","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8166091873","display_name":null,"funder_award_id":"62371428","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8951484681","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4400813551.pdf"},"referenced_works_count":28,"referenced_works":["https://openalex.org/W2058987126","https://openalex.org/W2336403911","https://openalex.org/W2559695533","https://openalex.org/W2910778537","https://openalex.org/W2944636546","https://openalex.org/W2971525513","https://openalex.org/W2972554461","https://openalex.org/W2975471211","https://openalex.org/W2985957562","https://openalex.org/W3018728758","https://openalex.org/W3095405987","https://openalex.org/W3097937532","https://openalex.org/W3111067891","https://openalex.org/W3149518742","https://openalex.org/W3154174729","https://openalex.org/W3163282512","https://openalex.org/W3169820186","https://openalex.org/W3176792951","https://openalex.org/W3196061999","https://openalex.org/W3198923466","https://openalex.org/W4229056177","https://openalex.org/W4285019567","https://openalex.org/W4285033231","https://openalex.org/W4285216224","https://openalex.org/W4288062579","https://openalex.org/W4319341813","https://openalex.org/W4366983306","https://openalex.org/W4390691822"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2109115373","https://openalex.org/W2390901981","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109"],"abstract_inverted_index":{"Millimeter\u2010wave":[0],"(mmWave)":[1],"and":[2,12,28,50,80,97,112,122],"massive":[3],"multiple\u2010input":[4],"multiple\u2010output":[5],"(MIMO)":[6],"technologies":[7],"are":[8,158],"critical":[9],"in":[10,21,153],"current":[11],"future":[13],"communication":[14,30],"research.":[15],"They":[16],"play":[17],"an":[18,144],"essential":[19],"role":[20],"meeting":[22],"the":[23,78,83,87,114,117,120,125,132,138,149,162,165],"demands":[24],"for":[25],"high\u2010capacity,":[26],"high\u2010speed,":[27],"low\u2010latency":[29],"brought":[31],"about":[32],"by":[33],"technological":[34],"advancements.":[35],"However,":[36],"existing":[37],"mmWave":[38,154],"channel":[39,47,126],"estimation":[40],"schemes":[41],"rely":[42],"on":[43,86],"idealized":[44],"common":[45],"sparse":[46],"support":[48,69],"assumptions,":[49],"their":[51],"performance":[52],"significantly":[53],"degrades":[54],"when":[55],"encountering":[56],"beam":[57],"squint":[58],"scenarios.":[59,155],"To":[60],"address":[61,148],"this":[62,64,141],"issue,":[63],"paper":[65,142],"introduces":[66],"a":[67,99],"dynamic":[68],"detection":[70],"window":[71,84],"(DSDW)":[72],"algorithm.":[73,167],"This":[74],"algorithm":[75,108,136],"dynamically":[76],"adjusts":[77],"position":[79],"size":[81],"of":[82,103,116,124,164],"based":[85],"received":[88],"signal":[89,94,104],"strength,":[90],"thereby":[91],"better":[92,110],"capturing":[93],"strength":[95],"variations":[96],"obtaining":[98],"more":[100],"complete":[101],"set":[102],"supports.":[105],"The":[106],"DSDW":[107,139],"can":[109],"capture":[111],"utilize":[113],"sparsity":[115],"channel,":[118],"improving":[119],"efficiency":[121],"accuracy":[123],"state":[127],"information":[128],"acquisition.":[129],"By":[130],"combining":[131],"beam\u2010split":[133],"pattern":[134],"(BSP)":[135],"with":[137],"algorithm,":[140],"designs":[143],"effective":[145],"method":[146],"to":[147,160],"inherent":[150],"beam\u2010spreading":[151],"problem":[152],"Simulation":[156],"results":[157],"proposed":[159],"demonstrate":[161],"effectiveness":[163],"BSP\u2010DSDW":[166]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}