{"id":"https://openalex.org/W2963986627","doi":"https://doi.org/10.1109/glocom.2018.8647394","title":"MIMO-OTFS in High-Doppler Fading Channels: Signal Detection and Channel Estimation","display_name":"MIMO-OTFS in High-Doppler Fading Channels: Signal Detection and Channel Estimation","publication_year":2018,"publication_date":"2018-12-01","ids":{"openalex":"https://openalex.org/W2963986627","doi":"https://doi.org/10.1109/glocom.2018.8647394","mag":"2963986627"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2018.8647394","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647394","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","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/A5103805589","display_name":"M. Kollengode Ramachandran","orcid":null},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"M. Kollengode Ramachandran","raw_affiliation_strings":["Department of ECE, Indian Institute of Science, Bangalore"],"affiliations":[{"raw_affiliation_string":"Department of ECE, Indian Institute of Science, Bangalore","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076764000","display_name":"A. Chockalingam","orcid":"https://orcid.org/0000-0003-0701-0327"},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A. Chockalingam","raw_affiliation_strings":["Department of ECE, Indian Institute of Science, Bangalore"],"affiliations":[{"raw_affiliation_string":"Department of ECE, Indian Institute of Science, Bangalore","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103805589"],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":10.4672,"has_fulltext":false,"cited_by_count":289,"citation_normalized_percentile":{"value":0.98716685,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"206","last_page":"212"},"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9750000238418579,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9677000045776367,"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/fading","display_name":"Fading","score":0.762441873550415},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7417174577713013},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5658472776412964},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5591990947723389},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5583032369613647},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.522042989730835},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.519543468952179},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.492406964302063},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.4322662949562073},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3313206434249878},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2804737389087677},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22897407412528992},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09942573308944702}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.762441873550415},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7417174577713013},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5658472776412964},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5591990947723389},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5583032369613647},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.522042989730835},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.519543468952179},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.492406964302063},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.4322662949562073},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3313206434249878},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2804737389087677},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22897407412528992},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09942573308944702},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"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/glocom.2018.8647394","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2018.8647394","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W588135687","https://openalex.org/W595252221","https://openalex.org/W1971903277","https://openalex.org/W1998454576","https://openalex.org/W1998779625","https://openalex.org/W2101541213","https://openalex.org/W2144366564","https://openalex.org/W2165723962","https://openalex.org/W2612254130","https://openalex.org/W2753333094","https://openalex.org/W2763125446","https://openalex.org/W2785763240","https://openalex.org/W2786797900","https://openalex.org/W2963817362","https://openalex.org/W2963961909","https://openalex.org/W2963986627","https://openalex.org/W2964036333","https://openalex.org/W2964074105","https://openalex.org/W4212888567","https://openalex.org/W4294576869","https://openalex.org/W6745259316"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2120897947","https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2187587942"],"abstract_inverted_index":{"Orthogonal":[0],"time":[1],"frequency":[2],"space":[3],"(OTFS)":[4],"modulation":[5],"is":[6],"a":[7,26,39,105],"recently":[8],"introduced":[9],"multiplexing":[10],"technique":[11],"designed":[12],"in":[13,34,53,68,88,109,123],"the":[14,35,54,64,77,110,124,134],"2-dimensional":[15],"(2D)":[16],"delay-Doppler":[17,36,79,111,125],"domain":[18,37,112,126],"suited":[19,113],"for":[20,97,114,129],"high-Doppler":[21,69],"fading":[22,70],"channels.":[23,71],"OTFS":[24,67,73],"converts":[25],"doubly-dispersive":[27],"channel":[28,33,80,86,106,118],"into":[29],"an":[30,94],"almost":[31],"non-fading":[32],"through":[38],"series":[40],"of":[41,61,66,136,140],"2D":[42],"transformations.":[43],"In":[44],"this":[45],"paper,":[46],"we":[47],"focus":[48],"on":[49,101],"MIMO-OTFS":[50,137],"which":[51],"brings":[52],"high":[55,89,143],"spectral":[56],"and":[57,63,76,104],"energy":[58],"efficiency":[59],"benefits":[60],"MIMO":[62,85],"robustness":[65],"The":[72,116],"channel-symbol":[74],"coupling":[75],"sparse":[78],"impulse":[81],"response":[82],"enable":[83],"efficient":[84],"estimation":[87,107,119],"Doppler":[90,144],"environments.":[91],"We":[92,131],"present":[93],"iterative":[95],"algorithm":[96],"signal":[98],"detection":[99],"based":[100],"message":[102],"passing":[103],"scheme":[108,120],"MIMO-OTFS.":[115],"proposed":[117],"uses":[121],"impulses":[122],"as":[127],"pilots":[128],"estimation.":[130],"also":[132],"compare":[133],"performance":[135],"with":[138],"that":[139],"MIMO-OFDM":[141],"under":[142],"scenarios.":[145]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":50},{"year":2024,"cited_by_count":53},{"year":2023,"cited_by_count":58},{"year":2022,"cited_by_count":45},{"year":2021,"cited_by_count":45},{"year":2020,"cited_by_count":17},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":5}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}