{"id":"https://openalex.org/W3127987335","doi":"https://doi.org/10.1007/s10772-021-09798-z","title":"Hybrid optimization algorithm to estimate azimuth angle for millimeter wave massive MIMO system","display_name":"Hybrid optimization algorithm to estimate azimuth angle for millimeter wave massive MIMO system","publication_year":2021,"publication_date":"2021-02-01","ids":{"openalex":"https://openalex.org/W3127987335","doi":"https://doi.org/10.1007/s10772-021-09798-z","mag":"3127987335"},"language":"en","primary_location":{"id":"doi:10.1007/s10772-021-09798-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10772-021-09798-z","pdf_url":null,"source":{"id":"https://openalex.org/S4650632","display_name":"International Journal of Speech Technology","issn_l":"1381-2416","issn":["1381-2416","1572-8110"],"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":"International Journal of Speech Technology","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/A5108957663","display_name":"Y. Srinivasa Rao","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":true,"raw_author_name":"Y. Srinivasa Rao","raw_affiliation_strings":["Department of Electronics and Communication Engineering, Aditya Institute of Technology and Management, Tekkali, Srikakulam, India","Department of Electronics and Communication Engineering, Aditya Institute of Technology and Management, Tekkali, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Aditya Institute of Technology and Management, Tekkali, Srikakulam, India","institution_ids":["https://openalex.org/I4210145126"]},{"raw_affiliation_string":"Department of Electronics and Communication Engineering, Aditya Institute of Technology and Management, Tekkali, India","institution_ids":["https://openalex.org/I4210145126"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052088307","display_name":"R. Madhu","orcid":"https://orcid.org/0000-0002-4092-5644"},"institutions":[{"id":"https://openalex.org/I142809039","display_name":"Jawaharlal Nehru Technological University, Kakinada","ror":"https://ror.org/05s9t8c95","country_code":"IN","type":"education","lineage":["https://openalex.org/I142809039"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"R. Madhu","raw_affiliation_strings":["Department of Electronics and Communication Engineering, JNTUK, Kakinada, India"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Communication Engineering, JNTUK, Kakinada, India","institution_ids":["https://openalex.org/I142809039"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5108957663"],"corresponding_institution_ids":["https://openalex.org/I4210145126"],"apc_list":{"value":2190,"currency":"EUR","value_usd":2780},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00935283,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"24","issue":"2","first_page":"315","last_page":"327"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991999864578247,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9958999752998352,"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":0.769080400466919},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.7462959289550781},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.725541353225708},{"id":"https://openalex.org/keywords/extremely-high-frequency","display_name":"Extremely high frequency","score":0.6633172035217285},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6391621828079224},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.609514594078064},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5894442796707153},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5565516352653503},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4372224509716034},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.34025245904922485},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11171263456344604},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.08582690358161926}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.769080400466919},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.7462959289550781},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.725541353225708},{"id":"https://openalex.org/C45764600","wikidata":"https://www.wikidata.org/wiki/Q570342","display_name":"Extremely high frequency","level":2,"score":0.6633172035217285},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6391621828079224},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.609514594078064},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5894442796707153},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5565516352653503},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4372224509716034},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.34025245904922485},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11171263456344604},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.08582690358161926}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s10772-021-09798-z","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10772-021-09798-z","pdf_url":null,"source":{"id":"https://openalex.org/S4650632","display_name":"International Journal of Speech Technology","issn_l":"1381-2416","issn":["1381-2416","1572-8110"],"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":"International Journal of Speech Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":48,"referenced_works":["https://openalex.org/W653761051","https://openalex.org/W1964525612","https://openalex.org/W1969624599","https://openalex.org/W1971887946","https://openalex.org/W1995158730","https://openalex.org/W2034355914","https://openalex.org/W2034651337","https://openalex.org/W2053521124","https://openalex.org/W2061438946","https://openalex.org/W2076236451","https://openalex.org/W2085098436","https://openalex.org/W2092360127","https://openalex.org/W2108672684","https://openalex.org/W2111953900","https://openalex.org/W2142574711","https://openalex.org/W2149643875","https://openalex.org/W2156351559","https://openalex.org/W2166486216","https://openalex.org/W2194059997","https://openalex.org/W2342851174","https://openalex.org/W2462653209","https://openalex.org/W2539603415","https://openalex.org/W2552690635","https://openalex.org/W2591812953","https://openalex.org/W2612897134","https://openalex.org/W2626919545","https://openalex.org/W2725352688","https://openalex.org/W2728369000","https://openalex.org/W2786392952","https://openalex.org/W2792650514","https://openalex.org/W2833137168","https://openalex.org/W2887078280","https://openalex.org/W2887180279","https://openalex.org/W2891064068","https://openalex.org/W2896015732","https://openalex.org/W2903878215","https://openalex.org/W2921584389","https://openalex.org/W2941669980","https://openalex.org/W2945622591","https://openalex.org/W2952350176","https://openalex.org/W2952673203","https://openalex.org/W2959921245","https://openalex.org/W2963809451","https://openalex.org/W3145558797","https://openalex.org/W3152069934","https://openalex.org/W4200283578","https://openalex.org/W4285719527","https://openalex.org/W6728931052"],"related_works":["https://openalex.org/W2489379490","https://openalex.org/W2141031289","https://openalex.org/W2134916061","https://openalex.org/W4214571564","https://openalex.org/W2155567810","https://openalex.org/W4381785485","https://openalex.org/W4205696264","https://openalex.org/W3010469571","https://openalex.org/W2463053673","https://openalex.org/W2393478743"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}