{"id":"https://openalex.org/W4387681956","doi":"https://doi.org/10.1109/tvt.2023.3324925","title":"Mitigating Spatial Correlation in MIMO-OTFS","display_name":"Mitigating Spatial Correlation in MIMO-OTFS","publication_year":2023,"publication_date":"2023-10-16","ids":{"openalex":"https://openalex.org/W4387681956","doi":"https://doi.org/10.1109/tvt.2023.3324925"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2023.3324925","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2023.3324925","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular 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/A5042631969","display_name":"Amit Sravan Bora","orcid":"https://orcid.org/0000-0001-6964-2405"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Amit Sravan Bora","raw_affiliation_strings":["Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0001-6964-2405","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC, Australia","institution_ids":["https://openalex.org/I56590836"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047541214","display_name":"Khoa T. Phan","orcid":"https://orcid.org/0000-0003-0471-9402"},"institutions":[{"id":"https://openalex.org/I196829312","display_name":"La Trobe University","ror":"https://ror.org/01rxfrp27","country_code":"AU","type":"education","lineage":["https://openalex.org/I196829312"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Khoa T. Phan","raw_affiliation_strings":["School of Computing, Engineering, and Mathematical Sciences (SCEMS), La Trobe University, Bundoora, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0003-0471-9402","affiliations":[{"raw_affiliation_string":"School of Computing, Engineering, and Mathematical Sciences (SCEMS), La Trobe University, Bundoora, VIC, Australia","institution_ids":["https://openalex.org/I196829312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008214098","display_name":"Yi Hong","orcid":"https://orcid.org/0000-0002-1284-891X"},"institutions":[{"id":"https://openalex.org/I56590836","display_name":"Monash University","ror":"https://ror.org/02bfwt286","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yi Hong","raw_affiliation_strings":["Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0002-1284-891X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Systems Engineering, Monash University, Clayton, VIC, Australia","institution_ids":["https://openalex.org/I56590836"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3228,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.88917611,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"73","issue":"3","first_page":"3608","last_page":"3622"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","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/T11873","display_name":"PAPR reduction in OFDM","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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9986000061035156,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9968000054359436,"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/spatial-correlation","display_name":"Spatial correlation","score":0.5559332370758057},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5185856819152832},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4742435812950134},{"id":"https://openalex.org/keywords/correlation","display_name":"Correlation","score":0.4458325207233429},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41686365008354187},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2605907917022705},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19993820786476135},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17610755562782288},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.0963241457939148}],"concepts":[{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.5559332370758057},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5185856819152832},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4742435812950134},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.4458325207233429},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41686365008354187},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2605907917022705},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19993820786476135},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17610755562782288},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.0963241457939148},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2023.3324925","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2023.3324925","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2097012868","display_name":"New modulation techniques for future high-mobility wireless communications","funder_award_id":"DP200100096","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"}],"funders":[{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1493497947","https://openalex.org/W1540400906","https://openalex.org/W1971168247","https://openalex.org/W1980968338","https://openalex.org/W2100508089","https://openalex.org/W2107286784","https://openalex.org/W2111983823","https://openalex.org/W2113795921","https://openalex.org/W2117125933","https://openalex.org/W2119456443","https://openalex.org/W2135115617","https://openalex.org/W2136188967","https://openalex.org/W2136608712","https://openalex.org/W2141253333","https://openalex.org/W2166595933","https://openalex.org/W2168492199","https://openalex.org/W2171402290","https://openalex.org/W2172139273","https://openalex.org/W2612254130","https://openalex.org/W2808628875","https://openalex.org/W2888002205","https://openalex.org/W2899406779","https://openalex.org/W2955978416","https://openalex.org/W2960077497","https://openalex.org/W2962951066","https://openalex.org/W2963986627","https://openalex.org/W2964036333","https://openalex.org/W3047487223","https://openalex.org/W3135300342","https://openalex.org/W3140555703","https://openalex.org/W3182011155","https://openalex.org/W3212726028","https://openalex.org/W4285019856","https://openalex.org/W4360609673","https://openalex.org/W4383220271","https://openalex.org/W6605825733"],"related_works":["https://openalex.org/W2133696651","https://openalex.org/W2126525857","https://openalex.org/W1988032185","https://openalex.org/W2131048655","https://openalex.org/W2364058420","https://openalex.org/W1949285025","https://openalex.org/W1665005346","https://openalex.org/W2089071461","https://openalex.org/W2110484072","https://openalex.org/W2112636698"],"abstract_inverted_index":{"In":[0],"this":[1,126],"article,":[2],"we":[3,37,99,128,144,183],"present":[4],"an":[5,50,130],"in-depth":[6],"analysis":[7],"of":[8,31,44,111,148,159,171,189,204,213,222],"whitening":[9,102,132,137],"methods":[10],"for":[11,95,141,209,248],"mitigating":[12],"the":[13,28,39,45,54,76,101,109,135,146,157,160,169,172,177,180,186,190,197,202,205,219,223,238],"spatial":[14,35,112,150],"correlation":[15,113,151],"in":[16,42,241],"a":[17,93,120,164,242],"multiple-input":[18],"multiple-output":[19],"orthogonal":[20],"time":[21],"frequency":[22],"space":[23],"(MIMO-OTFS)":[24],"system.":[25],"After":[26],"presenting":[27],"input-output":[29],"relation":[30],"MIMO-OTFS":[32,250],"with":[33],"receive":[34,90,136],"correlation,":[36],"analyze":[38],"error":[40,56,212],"performance":[41,96,122,158,187,199,220],"terms":[43],"union":[46],"bound":[47,52,61,79],"and":[48,66,106,153,179],"derive":[49],"upper":[51,60,78],"on":[53,156,168],"pairwise":[55],"probability":[57],"(PEP).":[58],"This":[59,84],"is":[62,226],"dominated":[63],"by":[64],"diversity":[65],"coding":[67],"gains,":[68],"as":[69,71,92],"well":[70],"given":[72],"SNRs.":[73],"However,":[74],"evaluating":[75],"PEP":[77],"involves":[80],"high":[81],"computational":[82],"complexity.":[83],"motivates":[85],"us":[86],"to":[87,119,228,236],"adopt":[88],"average":[89,173],"SNR":[91,174],"parameter":[94],"evaluation.":[97],"Next,":[98],"investigate":[100,145],"transformation":[103],"(WT)":[104],"method":[105,140,225],"show":[107],"that":[108],"effect":[110,147],"cannot":[114],"be":[115,229],"completely":[116],"removed,":[117],"leading":[118],"limited":[121],"improvement.":[123],"To":[124],"tackle":[125],"problem,":[127],"develop":[129],"alternative":[131],"technique,":[133],"viz.":[134],"filter":[138],"(WF)":[139],"MIMO-OTFS.":[142],"Additionally,":[143],"mismatched":[149,178,191],"coefficient":[152],"noise":[154],"variance":[155],"WF":[161,224],"method.":[162],"Through":[163],"general":[165],"proof":[166,194],"based":[167],"expectation":[170],"ratios":[175],"between":[176],"standard":[181],"cases,":[182],"analytically":[184],"demonstrate":[185],"degradation":[188,200,221],"case.":[192],"The":[193],"also":[195],"reveals":[196],"increasing":[198],"w.r.t.":[201],"magnitude":[203],"mismatch":[206,211],"error.":[207],"Notably,":[208],"practical":[210,243],"<inline-formula":[214],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[215],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[216],"notation=\"LaTeX\">$\\boldsymbol{5-10{\\%}}$</tex-math></inline-formula>":[217],",":[218],"found":[227],"insignificant.":[230],"Finally,":[231],"simulation":[232],"results":[233,240],"are":[234],"presented":[235],"validate":[237],"analytical":[239],"LEO":[244],"satcom":[245],"channel":[246],"model":[247],"various":[249],"systems.":[251]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":5}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}