{"id":"https://openalex.org/W4387872941","doi":"https://doi.org/10.1109/icc45041.2023.10279786","title":"Angle of Arrival Estimation in Multi-User Massive MIMO LEO Satellite Networks","display_name":"Angle of Arrival Estimation in Multi-User Massive MIMO LEO Satellite Networks","publication_year":2023,"publication_date":"2023-05-28","ids":{"openalex":"https://openalex.org/W4387872941","doi":"https://doi.org/10.1109/icc45041.2023.10279786"},"language":"en","primary_location":{"id":"doi:10.1109/icc45041.2023.10279786","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/icc45041.2023.10279786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-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/A5032336235","display_name":"Ikram Boukhedimi","orcid":"https://orcid.org/0000-0003-4348-0035"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ikram Boukhedimi","raw_affiliation_strings":["University of South Australia,SA,Australia","University of South Australia, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Australia,SA,Australia","institution_ids":["https://openalex.org/I170239107"]},{"raw_affiliation_string":"University of South Australia, SA, Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010336848","display_name":"Terence Chan","orcid":"https://orcid.org/0000-0002-6550-7203"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Terence Chan","raw_affiliation_strings":["University of South Australia,SA,Australia","University of South Australia, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Australia,SA,Australia","institution_ids":["https://openalex.org/I170239107"]},{"raw_affiliation_string":"University of South Australia, SA, Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050337784","display_name":"Ishtiaq Ahmad","orcid":"https://orcid.org/0000-0001-8622-7713"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Ishtiaq Ahmad","raw_affiliation_strings":["University of South Australia,SA,Australia","University of South Australia, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Australia,SA,Australia","institution_ids":["https://openalex.org/I170239107"]},{"raw_affiliation_string":"University of South Australia, SA, Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060086486","display_name":"Khoa D. Nguyen","orcid":"https://orcid.org/0000-0001-6406-0932"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Khoa Nguyen","raw_affiliation_strings":["University of South Australia,SA,Australia","University of South Australia, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Australia,SA,Australia","institution_ids":["https://openalex.org/I170239107"]},{"raw_affiliation_string":"University of South Australia, SA, Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026246209","display_name":"Debabrata K. Karmokar","orcid":"https://orcid.org/0000-0002-6614-5064"},"institutions":[{"id":"https://openalex.org/I170239107","display_name":"University of South Australia","ror":"https://ror.org/01p93h210","country_code":"AU","type":"education","lineage":["https://openalex.org/I170239107"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Debabrata Karmokar","raw_affiliation_strings":["University of South Australia,SA,Australia","University of South Australia, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of South Australia,SA,Australia","institution_ids":["https://openalex.org/I170239107"]},{"raw_affiliation_string":"University of South Australia, SA, Australia","institution_ids":["https://openalex.org/I170239107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025204125","display_name":"Balachander Ramamurthy","orcid":null},"institutions":[{"id":"https://openalex.org/I1303474014","display_name":"Defence Science and Technology Group","ror":"https://ror.org/05ddrvt52","country_code":"AU","type":"government","lineage":["https://openalex.org/I1303474014","https://openalex.org/I2801453606","https://openalex.org/I3139952251"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Balachander Ramamurthy","raw_affiliation_strings":["Defence Science and Technology Group,Edinburgh,SA,Australia","Defence Science and Technology Group, Edinburgh, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Defence Science and Technology Group,Edinburgh,SA,Australia","institution_ids":["https://openalex.org/I1303474014"]},{"raw_affiliation_string":"Defence Science and Technology Group, Edinburgh, SA, Australia","institution_ids":["https://openalex.org/I1303474014"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044309801","display_name":"Jeewani Kodithuwakkuge","orcid":null},"institutions":[{"id":"https://openalex.org/I1303474014","display_name":"Defence Science and Technology Group","ror":"https://ror.org/05ddrvt52","country_code":"AU","type":"government","lineage":["https://openalex.org/I1303474014","https://openalex.org/I2801453606","https://openalex.org/I3139952251"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jeewani Kodithuwakkuge","raw_affiliation_strings":["Defence Science and Technology Group,Edinburgh,SA,Australia","Defence Science and Technology Group, Edinburgh, SA, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Defence Science and Technology Group,Edinburgh,SA,Australia","institution_ids":["https://openalex.org/I1303474014"]},{"raw_affiliation_string":"Defence Science and Technology Group, Edinburgh, SA, Australia","institution_ids":["https://openalex.org/I1303474014"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.781,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.85074361,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"6287","last_page":"6293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9998999834060669,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9994000196456909,"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/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"}}],"keywords":[{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.7626841068267822},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7546998262405396},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6741458177566528},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.6039922833442688},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.5799360275268555},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5263356566429138},{"id":"https://openalex.org/keywords/doppler-frequency","display_name":"Doppler frequency","score":0.5176730155944824},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.502919614315033},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.4766348600387573},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.45323845744132996},{"id":"https://openalex.org/keywords/angle-of-arrival","display_name":"Angle of arrival","score":0.43059903383255005},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.39066222310066223},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.36778903007507324},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.34189164638519287},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1860196888446808},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15231019258499146},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.13679927587509155},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.13138028979301453},{"id":"https://openalex.org/keywords/systems-engineering","display_name":"Systems engineering","score":0.12429735064506531},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10381317138671875},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08503550291061401}],"concepts":[{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.7626841068267822},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7546998262405396},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6741458177566528},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.6039922833442688},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.5799360275268555},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5263356566429138},{"id":"https://openalex.org/C2988629262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler frequency","level":3,"score":0.5176730155944824},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.502919614315033},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.4766348600387573},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.45323845744132996},{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.43059903383255005},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.39066222310066223},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.36778903007507324},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.34189164638519287},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1860196888446808},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15231019258499146},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.13679927587509155},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.13138028979301453},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.12429735064506531},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10381317138671875},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08503550291061401},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc45041.2023.10279786","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/icc45041.2023.10279786","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2023 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W653761051","https://openalex.org/W1532381648","https://openalex.org/W2023535408","https://openalex.org/W2113638573","https://openalex.org/W2606758893","https://openalex.org/W2613992362","https://openalex.org/W2770606349","https://openalex.org/W2890595559","https://openalex.org/W2904735213","https://openalex.org/W2919225749","https://openalex.org/W2949977345","https://openalex.org/W2991404551","https://openalex.org/W3007804894","https://openalex.org/W3043796598","https://openalex.org/W3104650338","https://openalex.org/W3202557536","https://openalex.org/W3216670142","https://openalex.org/W4225593849","https://openalex.org/W4285292143","https://openalex.org/W4323914235","https://openalex.org/W6680021679","https://openalex.org/W6840687669"],"related_works":["https://openalex.org/W2983700505","https://openalex.org/W2358793249","https://openalex.org/W2381293607","https://openalex.org/W2539669194","https://openalex.org/W2126060576","https://openalex.org/W2359526864","https://openalex.org/W2354031205","https://openalex.org/W2982588318","https://openalex.org/W2011910404","https://openalex.org/W2024117748"],"abstract_inverted_index":{"This":[0,45],"work":[1],"focuses":[2],"on":[3,50,55],"angle":[4],"of":[5,9,62,74,87,105],"arrival":[6],"estimation":[7,65,96],"algorithms":[8],"massive":[10,75],"MIMO":[11,76],"LEO":[12,77],"satellite-ground":[13],"networks.":[14,79],"In":[15],"particular,":[16],"the":[17,56,70,91,102],"performance":[18],"is":[19],"investigated":[20],"under":[21],"pilot":[22,106],"contamination":[23],"effects":[24,104],"caused":[25],"by":[26],"residual":[27],"Doppler":[28],"frequency":[29,43],"shifts,":[30],"a":[31,84,94],"common":[32],"phenomenon":[33],"in":[34,41],"non-stationary":[35],"satellite":[36,78,92],"communications,":[37],"especially":[38],"when":[39],"operating":[40],"higher":[42],"bands.":[44],"study":[46],"provides":[47,93],"pertinent":[48],"insights":[49],"such":[51],"impairments":[52],"and":[53,98],"concludes":[54],"suitability":[57],"as":[58,60],"well":[59],"shortcomings":[61],"these":[63],"AoA":[64],"techniques":[66],"with":[67],"respect":[68],"to":[69,100],"different":[71],"system":[72],"parameters":[73],"Overall,":[80],"results":[81],"show":[82],"that":[83],"larger":[85],"number":[86],"antenna":[88],"elements":[89],"on-board":[90],"better":[95],"quality":[97],"aids":[99],"reduce":[101],"adverse":[103],"contamination.":[107]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}