{"id":"https://openalex.org/W4377824304","doi":"https://doi.org/10.1007/s00500-023-08464-7","title":"Spectral efficiency enhancement by hybrid pre-coding technique for reconfigurable intelligent surfaces-based massive MIMO systems under variable CSI","display_name":"Spectral efficiency enhancement by hybrid pre-coding technique for reconfigurable intelligent surfaces-based massive MIMO systems under variable CSI","publication_year":2023,"publication_date":"2023-05-23","ids":{"openalex":"https://openalex.org/W4377824304","doi":"https://doi.org/10.1007/s00500-023-08464-7"},"language":"en","primary_location":{"id":"doi:10.1007/s00500-023-08464-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00500-023-08464-7","pdf_url":null,"source":{"id":"https://openalex.org/S65753830","display_name":"Soft Computing","issn_l":"1432-7643","issn":["1432-7643","1433-7479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soft Computing","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/A5007473175","display_name":"A. Helen Victoria","orcid":"https://orcid.org/0000-0002-6478-4372"},"institutions":[{"id":"https://openalex.org/I145286018","display_name":"SRM Institute of Science and Technology","ror":"https://ror.org/050113w36","country_code":"IN","type":"education","lineage":["https://openalex.org/I145286018"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"A. Helen Victoria","raw_affiliation_strings":["Department of Networking and Communications, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, India"],"affiliations":[{"raw_affiliation_string":"Department of Networking and Communications, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I145286018"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081579190","display_name":"N. Devarajan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N. Manikanda Devarajan","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Malla Reddy Engineering College, Medchal-Malkajgiri District, Telangana, 500100, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Malla Reddy Engineering College, Medchal-Malkajgiri District, Telangana, 500100, India","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101776056","display_name":"R Saravanakumar","orcid":"https://orcid.org/0000-0002-4080-405X"},"institutions":[{"id":"https://openalex.org/I85461943","display_name":"Saveetha University","ror":"https://ror.org/0034me914","country_code":"IN","type":"education","lineage":["https://openalex.org/I85461943"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. Saravanakumar","raw_affiliation_strings":["Department of Wireless Communication, Institute of ECE, Saveetha School of Engineering, Savertha Institute of Medical and Technical Science, Chennai, 602105, India"],"affiliations":[{"raw_affiliation_string":"Department of Wireless Communication, Institute of ECE, Saveetha School of Engineering, Savertha Institute of Medical and Technical Science, Chennai, 602105, India","institution_ids":["https://openalex.org/I85461943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086224718","display_name":"Kripa Sekaran","orcid":null},"institutions":[{"id":"https://openalex.org/I4210101093","display_name":"St. Joseph's Institute of Technology","ror":"https://ror.org/012npkr10","country_code":"IN","type":"education","lineage":["https://openalex.org/I4210101093"]},{"id":"https://openalex.org/I4387154592","display_name":"St. Joseph\u2019s College of Engineering","ror":"https://ror.org/01g3pby21","country_code":null,"type":"education","lineage":["https://openalex.org/I4387154592"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kripa Sekaran","raw_affiliation_strings":["Department of Information Technology, St Joseph\u2019s College of Engineering, Chennai, Tamil Nadu, India","Department of Information Technology, St Joseph's College of Engineering, Chennai, Tamil Nadu, India"],"affiliations":[{"raw_affiliation_string":"Department of Information Technology, St Joseph\u2019s College of Engineering, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I4210101093"]},{"raw_affiliation_string":"Department of Information Technology, St Joseph's College of Engineering, Chennai, Tamil Nadu, India","institution_ids":["https://openalex.org/I4210101093","https://openalex.org/I4387154592"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101575380","display_name":"Charanjeet Singh","orcid":null},"institutions":[{"id":"https://openalex.org/I253188195","display_name":"Deenbandhu Chhotu Ram University of Science and Technology","ror":"https://ror.org/05gnvg690","country_code":"IN","type":"education","lineage":["https://openalex.org/I253188195"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Charanjeet Singh","raw_affiliation_strings":["Electronics and Communication Department, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, India"],"affiliations":[{"raw_affiliation_string":"Electronics and Communication Department, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, India","institution_ids":["https://openalex.org/I253188195"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068035416","display_name":"Vemuri Suneetha","orcid":null},"institutions":[{"id":"https://openalex.org/I4210145126","display_name":"Aditya Birla (India)","ror":"https://ror.org/03pztks36","country_code":"IN","type":"company","lineage":["https://openalex.org/I4210145126"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vemuri Suneetha","raw_affiliation_strings":["Aditya Engineering College, Surampalem, India"],"affiliations":[{"raw_affiliation_string":"Aditya Engineering College, Surampalem, India","institution_ids":["https://openalex.org/I4210145126"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5007473175"],"corresponding_institution_ids":["https://openalex.org/I145286018"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":0.9101,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.73533467,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"28","issue":"23-24","first_page":"13909","last_page":"13916"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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/T10069","display_name":"Antenna Design and Analysis","score":0.970300018787384,"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/T12042","display_name":"Satellite Communication Systems","score":0.9664999842643738,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.8318920135498047},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.7497167587280273},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7442724704742432},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6757480502128601},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.637376070022583},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5825295448303223},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4547194838523865},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.44843924045562744},{"id":"https://openalex.org/keywords/lte-advanced","display_name":"LTE Advanced","score":0.418900728225708},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.35186830163002014},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.32320863008499146},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22295084595680237},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.17681077122688293},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1676909327507019}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8318920135498047},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.7497167587280273},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7442724704742432},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6757480502128601},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.637376070022583},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5825295448303223},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4547194838523865},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.44843924045562744},{"id":"https://openalex.org/C17652562","wikidata":"https://www.wikidata.org/wiki/Q1345402","display_name":"LTE Advanced","level":3,"score":0.418900728225708},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35186830163002014},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.32320863008499146},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22295084595680237},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.17681077122688293},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1676909327507019}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00500-023-08464-7","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00500-023-08464-7","pdf_url":null,"source":{"id":"https://openalex.org/S65753830","display_name":"Soft Computing","issn_l":"1432-7643","issn":["1432-7643","1433-7479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soft Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.7300000190734863,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W2804119529","https://openalex.org/W2893490428","https://openalex.org/W2943093986","https://openalex.org/W2951631940","https://openalex.org/W2975208138","https://openalex.org/W2990747873","https://openalex.org/W2998514310","https://openalex.org/W3006557588","https://openalex.org/W3033425325","https://openalex.org/W3080932450","https://openalex.org/W3091365446","https://openalex.org/W3094357447","https://openalex.org/W3099769502","https://openalex.org/W3100767898","https://openalex.org/W3110826876","https://openalex.org/W3112337571","https://openalex.org/W3113612916","https://openalex.org/W3118666507","https://openalex.org/W3152961272","https://openalex.org/W3177732637","https://openalex.org/W3180325737","https://openalex.org/W3194142422","https://openalex.org/W3197427876","https://openalex.org/W3207071392","https://openalex.org/W4214923099","https://openalex.org/W4221057152","https://openalex.org/W4285116427"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W3141240674","https://openalex.org/W4214571564","https://openalex.org/W2601693592","https://openalex.org/W2126234244","https://openalex.org/W2070311567","https://openalex.org/W2102766001","https://openalex.org/W1859985938","https://openalex.org/W2805060255","https://openalex.org/W2164021692"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-04-03T22:45:19.894376","created_date":"2025-10-10T00:00:00"}