{"id":"https://openalex.org/W4413978754","doi":"https://doi.org/10.1109/spawc66079.2025.11143245","title":"Refined Metrics, Sensing Limits, and Resource Allocation in OTFS-RSMA LEO ISAC","display_name":"Refined Metrics, Sensing Limits, and Resource Allocation in OTFS-RSMA LEO ISAC","publication_year":2025,"publication_date":"2025-07-07","ids":{"openalex":"https://openalex.org/W4413978754","doi":"https://doi.org/10.1109/spawc66079.2025.11143245"},"language":"en","primary_location":{"id":"doi:10.1109/spawc66079.2025.11143245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc66079.2025.11143245","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 26th International Workshop on Signal Processing and Artificial Intelligence for Wireless Communications (SPAWC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5002640792","display_name":"Bruno Felipe Costa","orcid":"https://orcid.org/0000-0002-9317-5584"},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bruno Felipe Costa","raw_affiliation_strings":["State University of Londrina (UEL),Department of Electrical Engineering,Londrina,PR,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State University of Londrina (UEL),Department of Electrical Engineering,Londrina,PR,Brazil","institution_ids":["https://openalex.org/I127110123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026516878","display_name":"Taufik Abr\u00e3o","orcid":"https://orcid.org/0000-0001-8678-2805"},"institutions":[{"id":"https://openalex.org/I127110123","display_name":"Universidade Estadual de Londrina","ror":"https://ror.org/01585b035","country_code":"BR","type":"education","lineage":["https://openalex.org/I127110123"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Taufik Abr\u00e3o","raw_affiliation_strings":["State University of Londrina (UEL),Department of Electrical Engineering,Londrina,PR,Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State University of Londrina (UEL),Department of Electrical Engineering,Londrina,PR,Brazil","institution_ids":["https://openalex.org/I127110123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I127110123"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14158","display_name":"Optical Systems and Laser Technology","score":0.9340000152587891,"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/T14158","display_name":"Optical Systems and Laser Technology","score":0.9340000152587891,"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/T10924","display_name":"Cardiovascular Health and Disease Prevention","score":0.9205999970436096,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6674468517303467},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.43637341260910034},{"id":"https://openalex.org/keywords/resource","display_name":"Resource (disambiguation)","score":0.4119226932525635},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.2227136790752411},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.11840739846229553}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6674468517303467},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.43637341260910034},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.4119226932525635},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.2227136790752411},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.11840739846229553}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spawc66079.2025.11143245","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc66079.2025.11143245","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 26th International Workshop on Signal Processing and Artificial Intelligence for Wireless Communications (SPAWC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2163762663","https://openalex.org/W2612254130","https://openalex.org/W2963470109","https://openalex.org/W3033820925","https://openalex.org/W3162708859","https://openalex.org/W3198071899","https://openalex.org/W3214394001","https://openalex.org/W4221160108","https://openalex.org/W4388893662","https://openalex.org/W4392903989","https://openalex.org/W4401069498","https://openalex.org/W4401509551","https://openalex.org/W4402673558","https://openalex.org/W4405489182","https://openalex.org/W4406858032","https://openalex.org/W4407639769"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"This":[0],"paper":[1],"develops":[2],"an":[3],"integrated":[4,138],"Orthogonal":[5],"Time":[6],"Frequency":[7],"Space":[8],"(OTFS)-Rate-Splitting":[9],"Multiple":[10,129],"Access":[11,130],"(RSMA)":[12],"framework":[13],"employing":[14],"advanced":[15],"Signal":[16],"Processing":[17],"(SP)":[18],"techniques":[19],"tailored":[20],"for":[21,85,144],"this":[22],"demanding":[23],"environment.":[24],"We":[25],"derive":[26],"refined":[27],"communication":[28,117],"performance":[29],"metrics,":[30,121],"specifically":[31],"Signal-to-Interference-plus-Noise":[32],"Ratio":[33],"(SINR)":[34],"expressions":[35],"capturing":[36],"the":[37,106,112,135],"practical":[38],"effects":[39],"of":[40,115,137],"Imperfect":[41,47],"Channel":[42],"State":[43],"Information":[44],"(ICSI)":[45],"and":[46,118,141,147,154],"Successive":[48],"Interference":[49],"Cancellation":[50],"(ISIC).":[51],"Moreover,":[52],"fundamental":[53],"sensing":[54,119],"limits":[55],"are":[56],"established":[57],"via":[58,98],"Cram\u00e9rRao":[59],"Bound":[60],"(CRB)":[61],"derivation":[62],"incorporating":[63],"parameter-dependent":[64],"echo":[65],"gain,":[66],"linking":[67],"waveform":[68],"SP":[69,93],"properties":[70],"to":[71],"estimation":[72],"accuracy.":[73],"The":[74],"resource":[75],"allocation":[76],"is":[77],"formulated":[78],"as":[79],"a":[80,122],"non-convex":[81],"optimization":[82,142],"problem":[83],"aiming":[84],"Max-Min":[86],"Fairness":[87],"under":[88],"constraints":[89,120],"derived":[90],"from":[91],"these":[92],"metrics.":[94],"Illustrative":[95],"results,":[96],"obtained":[97],"Genetic":[99],"Algorithm":[100],"(GA)":[101],"optimization,":[102],"crucially":[103],"demonstrate":[104],"that":[105],"proposed":[107],"RSMA":[108],"scheme":[109],"uniquely":[110],"enables":[111],"simultaneous":[113],"satisfaction":[114],"stringent":[116],"capability":[123],"not":[124],"achieved":[125],"by":[126],"conventional":[127],"Space-Division":[128],"(SDMA).":[131],"Such":[132],"results":[133],"highlight":[134],"efficacy":[136],"OTFS-RSMA":[139],"precoding":[140],"approach":[143],"designing":[145],"robust":[146],"feasible":[148],"Low":[149],"Earth":[150],"Orbit":[151],"(LEO)Integrated":[152],"Sensing":[153],"Communication":[155],"(ISAC)":[156],"systems.":[157]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
