{"id":"https://openalex.org/W7163016171","doi":"https://doi.org/10.1109/access.2026.3699160","title":"Performance Analysis of Orthogonal Time Frequency Space Modulation and Satellite Visibility Pattern Determination in Space Communications","display_name":"Performance Analysis of Orthogonal Time Frequency Space Modulation and Satellite Visibility Pattern Determination in Space Communications","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7163016171","doi":"https://doi.org/10.1109/access.2026.3699160"},"language":"en","primary_location":{"id":"doi:10.1109/access.2026.3699160","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3699160","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1109/access.2026.3699160","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5137560378","display_name":"A. Iqbal","orcid":"https://orcid.org/0009-0009-6049-718X"},"institutions":[{"id":"https://openalex.org/I123534392","display_name":"University of North Texas","ror":"https://ror.org/00v97ad02","country_code":"US","type":"education","lineage":["https://openalex.org/I123534392"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Atif Iqbal","raw_affiliation_strings":["Department of Electrical Engineering, University of North Texas, Denton, TX, USA"],"raw_orcid":"https://orcid.org/0009-0009-6049-718X","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of North Texas, Denton, TX, USA","institution_ids":["https://openalex.org/I123534392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137536121","display_name":"M. Cruz","orcid":null},"institutions":[{"id":"https://openalex.org/I123534392","display_name":"University of North Texas","ror":"https://ror.org/00v97ad02","country_code":"US","type":"education","lineage":["https://openalex.org/I123534392"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Martin Cruz Vazquez","raw_affiliation_strings":["Department of Electrical Engineering, University of North Texas, Denton, TX, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of North Texas, Denton, TX, USA","institution_ids":["https://openalex.org/I123534392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5095048738","display_name":"Dr S.K. Rout Ms. Kushmeeta Chettri","orcid":null},"institutions":[{"id":"https://openalex.org/I123534392","display_name":"University of North Texas","ror":"https://ror.org/00v97ad02","country_code":"US","type":"education","lineage":["https://openalex.org/I123534392"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sandip K. Chettri","raw_affiliation_strings":["Department of Electrical Engineering, University of North Texas, Denton, TX, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of North Texas, Denton, TX, USA","institution_ids":["https://openalex.org/I123534392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137604845","display_name":"K. Namuduri","orcid":"https://orcid.org/0000-0003-1051-9925"},"institutions":[{"id":"https://openalex.org/I123534392","display_name":"University of North Texas","ror":"https://ror.org/00v97ad02","country_code":"US","type":"education","lineage":["https://openalex.org/I123534392"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kamesh Namuduri","raw_affiliation_strings":["Department of Electrical Engineering, University of North Texas, Denton, TX, USA"],"raw_orcid":"https://orcid.org/0000-0003-1051-9925","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of North Texas, Denton, TX, USA","institution_ids":["https://openalex.org/I123534392"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137611750","display_name":"S. Chakravarty","orcid":"https://orcid.org/0000-0001-8108-8726"},"institutions":[{"id":"https://openalex.org/I172980758","display_name":"Kennesaw State University","ror":"https://ror.org/00jeqjx33","country_code":"US","type":"education","lineage":["https://openalex.org/I172980758"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Chakravarty","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Kennesaw State University, Kennesaw, GA, USA"],"raw_orcid":"https://orcid.org/0000-0001-8108-8726","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Kennesaw State University, Kennesaw, GA, USA","institution_ids":["https://openalex.org/I172980758"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137518647","display_name":"A. Soomro","orcid":null},"institutions":[{"id":"https://openalex.org/I1280414376","display_name":"United States Air Force Research Laboratory","ror":"https://ror.org/02e2egq70","country_code":"US","type":"facility","lineage":["https://openalex.org/I1280414376","https://openalex.org/I1330347796","https://openalex.org/I4210102105","https://openalex.org/I4389425425"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Amjad A. Soomro","raw_affiliation_strings":["Air Force Research Laboratory, Wright-Patterson AFB, OH, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Air Force Research Laboratory, Wright-Patterson AFB, OH, USA","institution_ids":["https://openalex.org/I1280414376"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.84272233,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":null,"first_page":"93197","last_page":"93208"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.29649999737739563,"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":0.29649999737739563,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.21570000052452087,"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/T10655","display_name":"GNSS positioning and interference","score":0.046300001442432404,"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/visibility","display_name":"Visibility","score":0.5720000267028809},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.4959999918937683},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4812999963760376},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.44780001044273376},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.4275999963283539},{"id":"https://openalex.org/keywords/space","display_name":"Space (punctuation)","score":0.4108000099658966},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.3749000132083893}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7006000280380249},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.5720000267028809},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.4959999918937683},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4812999963760376},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.44780001044273376},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.44209998846054077},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.4275999963283539},{"id":"https://openalex.org/C2778572836","wikidata":"https://www.wikidata.org/wiki/Q380933","display_name":"Space (punctuation)","level":2,"score":0.4108000099658966},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.3749000132083893},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.36629998683929443},{"id":"https://openalex.org/C77304879","wikidata":"https://www.wikidata.org/wiki/Q211485","display_name":"Space technology","level":2,"score":0.3440000116825104},{"id":"https://openalex.org/C96402334","wikidata":"https://www.wikidata.org/wiki/Q3030793","display_name":"Space time","level":2,"score":0.34130001068115234},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3262999951839447},{"id":"https://openalex.org/C2985889645","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite tracking","level":3,"score":0.30790001153945923},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2921000123023987},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.27399998903274536},{"id":"https://openalex.org/C36301306","wikidata":"https://www.wikidata.org/wiki/Q179435","display_name":"Satellite navigation","level":3,"score":0.27239999175071716},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2635999917984009}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2026.3699160","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3699160","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:1ceb93e6d42641f08b8a9c62e4ed1f63","is_oa":false,"landing_page_url":"https://doaj.org/article/1ceb93e6d42641f08b8a9c62e4ed1f63","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 14, Pp 93197-93208 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2026.3699160","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2026.3699160","pdf_url":null,"source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6907095012","display_name":"RINGS: Mobility-driven Spectrum-Agile Resilient mmWave Communication Links for Unmanned Aerial Vehicle Traffic Management in the Sky","funder_award_id":"2148178","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G6920478251","display_name":"SCC-IRG Track 2: Building a Smart and Connected Ecosystem for the First-Responder Community","funder_award_id":"2330773","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8799430271","display_name":null,"funder_award_id":"CNS-2330773","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"},{"id":"https://openalex.org/G8847880595","display_name":null,"funder_award_id":"CNS-2148178","funder_id":"https://openalex.org/F4320306076","funder_display_name":"National Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Orthogonal":[0,25],"Time":[1],"Frequency":[2,26],"Space":[3],"Modulation":[4],"(OTFS)":[5],"is":[6,34,45,65,83,93,109],"a":[7,87,192],"new":[8],"modulation":[9,78],"technique":[10,30],"developed":[11],"for":[12,67],"emerging":[13],"communication":[14,53],"systems.":[15],"OTFS":[16,44,64,77,108],"modulates":[17],"information":[18],"symbols":[19],"in":[20,41,50,79,115],"the":[21,61,80,98,105,127,165],"delay-Doppler":[22,81],"domain.":[23],"Because":[24],"Division":[27],"Multiplexing":[28],"(OFDM)":[29],"of":[31,63,97,107,113,122,129,133,182],"4G/5G":[32],"systems":[33],"susceptible":[35],"to":[36,47],"Inter":[37],"Carrier":[38],"Interference":[39],"(ICI)":[40],"high":[42],"mobility,":[43],"expected":[46],"be":[48],"incorporated":[49],"next":[51],"generation":[52],"systems,":[54],"e.g.,":[55],"6G":[56],"communication.":[57],"In":[58],"this":[59],"paper,":[60],"application":[62],"considered":[66],"LEO":[68],"satellite":[69,88,116,123],"and":[70,117,139,156,197],"Unmanned":[71],"Aerial":[72],"Vehicle":[73],"(UAV)":[74],"communications.":[75,119],"First,":[76],"domain":[82],"briefly":[84],"examined.":[85],"Then,":[86],"constellation":[89],"visibility":[90,124,131],"pattern":[91,132],"prediction":[92,125,136],"presented.":[94],"The":[95,120,168],"simulation":[96,121],"Bit":[99],"Error":[100],"Rate":[101],"(BER)":[102],"corroborates":[103],"that":[104,112,171],"BER":[106],"lower":[110],"than":[111],"OFDM":[114],"UAV":[118],"confirms":[126],"feasibility":[128],"predicting":[130],"satellites.":[134],"This":[135],"ensures":[137],"smooth":[138],"efficient":[140],"handover":[141,150,187],"among":[142],"satellites":[143],"over":[144],"long":[145],"time":[146],"durations.":[147],"Additionally,":[148],"two":[149],"strategies":[151],"-":[152,160],"Highest":[153],"Elevation":[154],"(HE)":[155],"Longest":[157],"Visibility":[158],"(LV)":[159],"are":[161],"comparatively":[162],"examined":[163],"using":[164],"Starlink":[166],"constellation.":[167],"results":[169],"show":[170],"HE":[172],"achieves":[173],"better":[174],"link":[175],"quality":[176,196],"with":[177],"an":[178],"average":[179],"peak":[180],"elevation":[181],"74.6\u00b0,":[183],"while":[184],"LV":[185],"reduces":[186],"frequency":[188],"by":[189],"32%,":[190],"revealing":[191],"tradeoff":[193],"between":[194],"signal":[195],"retaining":[198],"robust":[199],"connection.":[200]},"counts_by_year":[],"updated_date":"2026-06-25T06:16:34.145877","created_date":"2026-06-02T00:00:00"}
