{"id":"https://openalex.org/W2967097634","doi":"https://doi.org/10.1155/2019/3469413","title":"A Robust Channel Estimation Scheme for 5G Massive MIMO Systems","display_name":"A Robust Channel Estimation Scheme for 5G Massive MIMO Systems","publication_year":2019,"publication_date":"2019-08-18","ids":{"openalex":"https://openalex.org/W2967097634","doi":"https://doi.org/10.1155/2019/3469413","mag":"2967097634"},"language":"en","primary_location":{"id":"doi:10.1155/2019/3469413","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2019/3469413","pdf_url":"https://downloads.hindawi.com/journals/wcmc/2019/3469413.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"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":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://downloads.hindawi.com/journals/wcmc/2019/3469413.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5013167327","display_name":"Imran Khan","orcid":"https://orcid.org/0000-0003-3821-8024"},"institutions":[{"id":"https://openalex.org/I90610274","display_name":"University of Engineering and Technology Peshawar","ror":"https://ror.org/00p034093","country_code":"PK","type":"education","lineage":["https://openalex.org/I90610274"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Imran Khan","raw_affiliation_strings":["Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan"],"raw_orcid":"https://orcid.org/0000-0003-3821-8024","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan","institution_ids":["https://openalex.org/I90610274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076776322","display_name":"Joel J. P. C. Rodrigues","orcid":"https://orcid.org/0000-0001-8657-3800"},"institutions":[{"id":"https://openalex.org/I28022161","display_name":"King Saud University","ror":"https://ror.org/02f81g417","country_code":"SA","type":"education","lineage":["https://openalex.org/I28022161"]},{"id":"https://openalex.org/I3121799822","display_name":"Universidade Federal do Piau\u00ed","ror":"https://ror.org/00kwnx126","country_code":"BR","type":"education","lineage":["https://openalex.org/I3121799822"]},{"id":"https://openalex.org/I4210120471","display_name":"Instituto de Telecomunica\u00e7\u00f5es","ror":"https://ror.org/02ht4fk33","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210120471"]}],"countries":["BR","PT","SA"],"is_corresponding":false,"raw_author_name":"Joel J. P. C. Rodrigues","raw_affiliation_strings":["College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372, Saudi Arabia","Federal University of Piau\u00ed (UFPI), Teresina\u2013PI, Brazil","Instituto de Telecomunica\u00e7\u00f5es, Lisbon, Portugal","College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372"],"raw_orcid":"https://orcid.org/0000-0001-8657-3800","affiliations":[{"raw_affiliation_string":"College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372, Saudi Arabia","institution_ids":["https://openalex.org/I28022161"]},{"raw_affiliation_string":"Federal University of Piau\u00ed (UFPI), Teresina\u2013PI, Brazil","institution_ids":["https://openalex.org/I3121799822"]},{"raw_affiliation_string":"Instituto de Telecomunica\u00e7\u00f5es, Lisbon, Portugal","institution_ids":["https://openalex.org/I4210120471"]},{"raw_affiliation_string":"College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372","institution_ids":["https://openalex.org/I28022161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084235184","display_name":"Jalal Al\u2010Muhtadi","orcid":"https://orcid.org/0000-0003-0246-2148"},"institutions":[{"id":"https://openalex.org/I28022161","display_name":"King Saud University","ror":"https://ror.org/02f81g417","country_code":"SA","type":"education","lineage":["https://openalex.org/I28022161"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Jalal Al-Muhtadi","raw_affiliation_strings":["College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Computer and Information Sciences (CCIS), King Saud University, Riyadh 12372, Saudi Arabia","institution_ids":["https://openalex.org/I28022161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089398004","display_name":"Muhammad Irfan Khattak","orcid":"https://orcid.org/0000-0003-4655-938X"},"institutions":[{"id":"https://openalex.org/I90610274","display_name":"University of Engineering and Technology Peshawar","ror":"https://ror.org/00p034093","country_code":"PK","type":"education","lineage":["https://openalex.org/I90610274"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Muhammad Irfan Khattak","raw_affiliation_strings":["Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan"],"raw_orcid":"https://orcid.org/0000-0003-4655-938X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan","institution_ids":["https://openalex.org/I90610274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004948283","display_name":"Yousaf Khan","orcid":"https://orcid.org/0000-0001-9973-2102"},"institutions":[{"id":"https://openalex.org/I90610274","display_name":"University of Engineering and Technology Peshawar","ror":"https://ror.org/00p034093","country_code":"PK","type":"education","lineage":["https://openalex.org/I90610274"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Yousaf Khan","raw_affiliation_strings":["Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan","institution_ids":["https://openalex.org/I90610274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017932477","display_name":"Farhan Altaf","orcid":null},"institutions":[{"id":"https://openalex.org/I90610274","display_name":"University of Engineering and Technology Peshawar","ror":"https://ror.org/00p034093","country_code":"PK","type":"education","lineage":["https://openalex.org/I90610274"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Farhan Altaf","raw_affiliation_strings":["Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of Engineering & Technology, Peshawar 814, Pakistan","institution_ids":["https://openalex.org/I90610274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102776587","display_name":"Seyed Sajad Mirjavadi","orcid":"https://orcid.org/0000-0001-8833-8273"},"institutions":[{"id":"https://openalex.org/I60342839","display_name":"Qatar University","ror":"https://ror.org/00yhnba62","country_code":"QA","type":"education","lineage":["https://openalex.org/I60342839"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Seyed Sajad Mirjavadi","raw_affiliation_strings":["Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar","institution_ids":["https://openalex.org/I60342839"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088745395","display_name":"Bong Jun Choi","orcid":"https://orcid.org/0000-0002-6550-749X"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Bong Jun Choi","raw_affiliation_strings":["School of Computer Science and Engineering, Soongsil University, Seoul, Republic of Korea"],"raw_orcid":"https://orcid.org/0000-0002-6550-749X","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Soongsil University, Seoul, Republic of Korea","institution_ids":["https://openalex.org/I141371507"]}]}],"institutions":[],"countries_distinct_count":6,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5088745395"],"corresponding_institution_ids":["https://openalex.org/I141371507"],"apc_list":{"value":2300,"currency":"USD","value_usd":2550},"apc_paid":{"value":2300,"currency":"USD","value_usd":2550},"fwci":1.6448,"has_fulltext":true,"cited_by_count":27,"citation_normalized_percentile":{"value":0.83493288,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"2019","issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994999766349792,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9993000030517578,"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/computer-science","display_name":"Computer science","score":0.8175221681594849},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7547907829284668},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7348567247390747},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7337169051170349},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7184902429580688},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6643697619438171},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.5239325165748596},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.41744309663772583},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3418079614639282},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3388439416885376},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.324106901884079},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2797243297100067},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14653071761131287}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8175221681594849},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7547907829284668},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7348567247390747},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7337169051170349},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7184902429580688},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6643697619438171},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.5239325165748596},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.41744309663772583},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3418079614639282},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3388439416885376},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.324106901884079},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2797243297100067},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14653071761131287},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1155/2019/3469413","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2019/3469413","pdf_url":"https://downloads.hindawi.com/journals/wcmc/2019/3469413.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"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":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:f6ffe84845604ba498f251a11e66c33c","is_oa":false,"landing_page_url":"https://doaj.org/article/f6ffe84845604ba498f251a11e66c33c","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Wireless Communications and Mobile Computing, Vol 2019 (2019)","raw_type":"article"},{"id":"pmh:oai:hindawi.com:10.1155/2019/3469413","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2019/3469413","pdf_url":null,"source":{"id":"https://openalex.org/S4306400340","display_name":"Hindawi Journal of Chemistry (Hindawi)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210126990","host_organization_name":"Hindawi (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210126990"],"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":"","raw_type":"Research Article"},{"id":"pmh:oai:qspace.qu.edu.qa:10576/39928","is_oa":false,"landing_page_url":"http://hdl.handle.net/10576/39928","pdf_url":null,"source":{"id":"https://openalex.org/S4306400014","display_name":"Qatar University QSpace (Qatar University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60342839","host_organization_name":"Qatar University","host_organization_lineage":["https://openalex.org/I60342839"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":{"id":"doi:10.1155/2019/3469413","is_oa":true,"landing_page_url":"http://doi.org/10.1155/2019/3469413","pdf_url":"https://downloads.hindawi.com/journals/wcmc/2019/3469413.pdf","source":{"id":"https://openalex.org/S235346","display_name":"Wireless Communications and Mobile Computing","issn_l":"1530-8669","issn":["1530-8669","1530-8677"],"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":"Wireless Communications and Mobile Computing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.46000000834465027}],"awards":[{"id":"https://openalex.org/G1589975955","display_name":null,"funder_award_id":"#0129","funder_id":"https://openalex.org/F4320321145","funder_display_name":"King Saud University"},{"id":"https://openalex.org/G1983169032","display_name":null,"funder_award_id":"2019R1C1C1007277","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G3499276144","display_name":null,"funder_award_id":"309335/2017-5","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3571510377","display_name":null,"funder_award_id":"309335/2017-5","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G3845714541","display_name":null,"funder_award_id":"UID/EEA/50008/2019 Project","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G3850789590","display_name":null,"funder_award_id":"50008","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G4421104838","display_name":null,"funder_award_id":"2019R1C1C1007277","funder_id":"https://openalex.org/F4320320671","funder_display_name":"National Research Foundation"},{"id":"https://openalex.org/G5454278309","display_name":null,"funder_award_id":"/2017","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G6021079898","display_name":null,"funder_award_id":"UID/EEA/50008/2019","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G6608147847","display_name":null,"funder_award_id":"NRF-2019R1C1C1007277","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G6679443276","display_name":null,"funder_award_id":"UID/EEA/50008/2019","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G7210872858","display_name":null,"funder_award_id":"ISPP#0129","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"}],"funders":[{"id":"https://openalex.org/F4320320671","display_name":"National Research Foundation","ror":"https://ror.org/05s0g1g46"},{"id":"https://openalex.org/F4320321145","display_name":"King Saud University","ror":"https://ror.org/02f81g417"},{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"},{"id":"https://openalex.org/F4320338071","display_name":"Institute of Population and Public Health","ror":"https://ror.org/04dh0w640"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2967097634.pdf","grobid_xml":"https://content.openalex.org/works/W2967097634.grobid-xml"},"referenced_works_count":29,"referenced_works":["https://openalex.org/W1587872684","https://openalex.org/W1938636034","https://openalex.org/W2055849441","https://openalex.org/W2076457767","https://openalex.org/W2084304524","https://openalex.org/W2120549790","https://openalex.org/W2127271355","https://openalex.org/W2128513990","https://openalex.org/W2141682101","https://openalex.org/W2147601077","https://openalex.org/W2160979406","https://openalex.org/W2168625863","https://openalex.org/W2326913951","https://openalex.org/W2530877707","https://openalex.org/W2605149632","https://openalex.org/W2611311577","https://openalex.org/W2730198753","https://openalex.org/W2785436244","https://openalex.org/W2791564930","https://openalex.org/W2793941641","https://openalex.org/W2794681628","https://openalex.org/W2799873674","https://openalex.org/W2899669232","https://openalex.org/W2902632690","https://openalex.org/W2947603135","https://openalex.org/W2962959174","https://openalex.org/W2963208909","https://openalex.org/W2964202286","https://openalex.org/W3106282754"],"related_works":["https://openalex.org/W2059045613","https://openalex.org/W2561058892","https://openalex.org/W884630482","https://openalex.org/W2025723618","https://openalex.org/W2552025594","https://openalex.org/W2800473611","https://openalex.org/W4211013851","https://openalex.org/W2106711889","https://openalex.org/W4226210192","https://openalex.org/W4307482262"],"abstract_inverted_index":{"Channel":[0],"state":[1],"information":[2],"(CSI)":[3],"feedback":[4],"in":[5,78,110],"massive":[6],"MIMO":[7],"systems":[8],"is":[9,18,61,83,108,134],"too":[10],"large":[11,14,22],"due":[12,19],"to":[13,20,85,126],"pilot":[15,58,154],"overhead.":[16,59],"It":[17,60],"the":[21,29,38,64,68,79,87,91,95,101,111,114,120,124,127,137,143,150,162],"channel":[23,69,76,88,145,151],"matrix":[24,96],"dimension":[25],"which":[26],"depends":[27],"on":[28,63],"number":[30],"of":[31,40,94],"base":[32],"station":[33],"(BS)":[34],"antennas":[35],"and":[36,56,156],"consumes":[37],"majority":[39],"scarce":[41],"radio":[42],"resources.":[43],"To":[44],"solve":[45],"this":[46],"problem,":[47],"we":[48],"proposed":[49,144],"a":[50,130],"scheme":[51,107,147],"for":[52,67],"efficient":[53],"CSI":[54,132],"acquisition":[55],"reduced":[57,153],"based":[62],"separation":[65],"mechanism":[66],"matrix.":[70,89],"The":[71],"spatial":[72],"correlation":[73],"among":[74],"multiuser":[75],"matrices":[77],"virtual":[80],"angular":[81],"domain":[82],"utilized":[84],"split":[86],"Then,":[90],"two":[92],"parts":[93],"are":[97],"estimated":[98],"by":[99],"deploying":[100],"compressed":[102],"sensing":[103],"(CS)":[104],"techniques.":[105],"This":[106],"novel":[109],"sense":[112],"that":[113,142],"user":[115],"equipment":[116],"(UE)":[117],"directly":[118],"transmits":[119],"received":[121],"symbols":[122],"from":[123],"BS":[125],"BS,":[128],"so":[129],"joint":[131],"recovery":[133],"performed":[135],"at":[136],"BS.":[138],"Simulation":[139],"results":[140],"show":[141],"estimation":[146],"effectively":[148],"estimates":[149],"with":[152,161],"overhead":[155],"improved":[157],"performance":[158],"as":[159],"compared":[160],"state-of-the-art":[163],"schemes.":[164]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
