{"id":"https://openalex.org/W4379382449","doi":"https://doi.org/10.1109/lwc.2023.3283038","title":"Tilting in UCA-Based LoS MIMO Systems","display_name":"Tilting in UCA-Based LoS MIMO Systems","publication_year":2023,"publication_date":"2023-06-05","ids":{"openalex":"https://openalex.org/W4379382449","doi":"https://doi.org/10.1109/lwc.2023.3283038"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2023.3283038","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/lwc.2023.3283038","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/A5078467796","display_name":"Michail Palaiologos","orcid":"https://orcid.org/0000-0002-0418-7867"},"institutions":[{"id":"https://openalex.org/I4210129353","display_name":"Huawei Technologies (Germany)","ror":"https://ror.org/038cdme44","country_code":"DE","type":"company","lineage":["https://openalex.org/I2250955327","https://openalex.org/I4210129353"]},{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Michail Palaiologos","raw_affiliation_strings":["Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany","Communications and Information Theory Group, Technical University of Berlin, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany","institution_ids":["https://openalex.org/I4210129353"]},{"raw_affiliation_string":"Communications and Information Theory Group, Technical University of Berlin, Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056863844","display_name":"Mario H. Casta\u00f1eda Garc\u00eda","orcid":"https://orcid.org/0000-0001-9039-0425"},"institutions":[{"id":"https://openalex.org/I4210129353","display_name":"Huawei Technologies (Germany)","ror":"https://ror.org/038cdme44","country_code":"DE","type":"company","lineage":["https://openalex.org/I2250955327","https://openalex.org/I4210129353"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Mario H. Casta\u00f1eda Garc\u00eda","raw_affiliation_strings":["Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany","institution_ids":["https://openalex.org/I4210129353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090569917","display_name":"Richard A. Stirling-Gallacher","orcid":"https://orcid.org/0000-0003-3866-4681"},"institutions":[{"id":"https://openalex.org/I4210129353","display_name":"Huawei Technologies (Germany)","ror":"https://ror.org/038cdme44","country_code":"DE","type":"company","lineage":["https://openalex.org/I2250955327","https://openalex.org/I4210129353"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Richard A. Stirling-Gallacher","raw_affiliation_strings":["Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Munich Research Center, Huawei Technologies D&#x00FC;sseldorf GmbH, Munich, Germany","institution_ids":["https://openalex.org/I4210129353"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058252389","display_name":"Giuseppe Caire","orcid":"https://orcid.org/0000-0002-7749-1333"},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Giuseppe Caire","raw_affiliation_strings":["Communications and Information Theory Group, Technical University of Berlin, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Communications and Information Theory Group, Technical University of Berlin, Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5078467796"],"corresponding_institution_ids":["https://openalex.org/I4210129353","https://openalex.org/I4577782"],"apc_list":null,"apc_paid":null,"fwci":0.1337,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.41392012,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"12","issue":"9","first_page":"1563","last_page":"1567"},"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/T11946","display_name":"Antenna Design and Optimization","score":0.9997000098228455,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9995999932289124,"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/transmitter","display_name":"Transmitter","score":0.7378097176551819},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7246277332305908},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5112450122833252},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49999189376831055},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4314464032649994},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3453298807144165},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22537463903427124},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.15711849927902222}],"concepts":[{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7378097176551819},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7246277332305908},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5112450122833252},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49999189376831055},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4314464032649994},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3453298807144165},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22537463903427124},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.15711849927902222},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2023.3283038","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/lwc.2023.3283038","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":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1982686915","https://openalex.org/W1985987162","https://openalex.org/W2012256574","https://openalex.org/W2103472722","https://openalex.org/W2146002389","https://openalex.org/W2786317177","https://openalex.org/W2910997245","https://openalex.org/W3135314630","https://openalex.org/W4200501810","https://openalex.org/W4312751116"],"related_works":["https://openalex.org/W1979597421","https://openalex.org/W2355663289","https://openalex.org/W2007980826","https://openalex.org/W2106913410","https://openalex.org/W4245490552","https://openalex.org/W4380372336","https://openalex.org/W2354248671","https://openalex.org/W4225152035","https://openalex.org/W2359134391","https://openalex.org/W2059045613"],"abstract_inverted_index":{"We":[0,102],"consider":[1],"a":[2,76,79,88,122,131,136,147,150],"<inline-formula":[3],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[4],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[5],"<tex-math":[6],"notation=\"LaTeX\">$4":[7],"\\times":[8],"4$":[9],"</tex-math></inline-formula>":[10],"line-of-sight":[11],"multiple-input":[12],"multiple-output":[13],"(LoS":[14],"MIMO)":[15],"system":[16],"with":[17,161,169],"uniform":[18],"circular":[19],"arrays":[20,51],"(UCAs)":[21],"at":[22,78,98,149],"the":[23,33,46,56,60,111,126,142,157,165],"transmitter":[24],"(Tx)":[25],"and":[26],"receiver":[27],"(Rx).":[28],"First,":[29],"we":[30,54,85,120],"show":[31,86],"that":[32,74,87,104],"optimum":[34,49,112,127,143],"design":[35,47,113,166],"of":[36,39,48,58,96,114,116,146,156,167],"non-tilted":[37],"UCAs":[38,168],"four":[40,117],"antennas":[41],"can":[42,91,106],"be":[43,92,107],"generalized":[44],"to":[45],"elliptical":[50],"(EAs).":[52],"Afterwards,":[53],"investigate":[55],"effect":[57],"tilting":[59,75,144],"Tx":[61],"or":[62],"Rx":[63],"UCA":[64,77,90,132,148],"over":[65],"different":[66],"transmit":[67,81,100,128,152],"distances.":[68,101],"Although":[69],"it":[70],"is":[71,83,133,159],"commonly":[72],"considered":[73],"fixed":[80],"distance":[82,129],"detrimental,":[84],"tilted":[89,134],"optimum,":[93],"in":[94],"terms":[95],"capacity,":[97],"other":[99],"showcase":[103],"this":[105],"explained":[108],"based":[109],"on":[110],"EAs":[115],"antennas.":[118,173],"Specifically,":[119],"provide":[121],"valid":[123],"approximation":[124],"for":[125,141,164],"when":[130],"by":[135],"given":[137],"angle":[138,145],"or,":[139],"equivalently,":[140],"certain":[151],"distance.":[153],"The":[154],"use":[155],"approximations":[158],"validated":[160],"simulations,":[162],"also":[163],"more":[170],"than":[171],"4":[172]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2025-12-22T23:10:17.713674","created_date":"2025-10-10T00:00:00"}