{"id":"https://openalex.org/W7083700840","doi":"https://doi.org/10.1109/access.2025.3615172","title":"Chaos-Based Dual-Function OTFS: Joint Security and PAPR Reduction for LEO Satellite Communications","display_name":"Chaos-Based Dual-Function OTFS: Joint Security and PAPR Reduction for LEO Satellite Communications","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W7083700840","doi":"https://doi.org/10.1109/access.2025.3615172"},"language":"en","primary_location":{"id":"doi:10.1109/access.2025.3615172","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3615172","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.2025.3615172","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Imran Younas","orcid":"https://orcid.org/0000-0001-6147-8989"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Imran Younas","raw_affiliation_strings":["School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0001-6147-8989","affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":null,"display_name":"Nawaf Qasem Hamood Othman","orcid":"https://orcid.org/0000-0002-3344-5351"},"institutions":[{"id":"https://openalex.org/I4210115513","display_name":"Xi\u2019an University","ror":"https://ror.org/01zzmf129","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210115513"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nawaf Qasem Hamood Othman","raw_affiliation_strings":["School of Information Engineering, Xi’an Fanyi University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0002-3344-5351","affiliations":[{"raw_affiliation_string":"School of Information Engineering, Xi’an Fanyi University, Xi’an, China","institution_ids":["https://openalex.org/I4210115513"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"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":0.49498722,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"13","issue":null,"first_page":"174535","last_page":"174545"},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10195","display_name":"Antimicrobial Resistance in Staphylococcus","score":0.4415999948978424,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10195","display_name":"Antimicrobial Resistance in Staphylococcus","score":0.4415999948978424,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10147","display_name":"Antibiotic Resistance in Bacteria","score":0.1898999959230423,"subfield":{"id":"https://openalex.org/subfields/1313","display_name":"Molecular Medicine"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12167","display_name":"Bacterial Identification and Susceptibility Testing","score":0.0934000015258789,"subfield":{"id":"https://openalex.org/subfields/1308","display_name":"Clinical Biochemistry"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.6664000153541565},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5450000166893005},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.54339998960495},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47530001401901245},{"id":"https://openalex.org/keywords/low-earth-orbit","display_name":"Low earth orbit","score":0.4661000072956085},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.4618000090122223},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4542999863624573},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.43720000982284546},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.40950000286102295},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.38440001010894775}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7802000045776367},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.6664000153541565},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5450000166893005},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.54339998960495},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47530001401901245},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.4661000072956085},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.4618000090122223},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4542999863624573},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.43720000982284546},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.40950000286102295},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3952000141143799},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.38440001010894775},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.36899998784065247},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.3653999865055084},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.3549000024795532},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.351500004529953},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3237999975681305},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.32120001316070557},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.3068999946117401},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.29789999127388},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.2922999858856201},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29159998893737793},{"id":"https://openalex.org/C2779079576","wikidata":"https://www.wikidata.org/wiki/Q17092823","display_name":"Jamming","level":2,"score":0.2870999872684479},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.2854999899864197},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.27869999408721924},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.2782999873161316},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C2776639698","wikidata":"https://www.wikidata.org/wiki/Q4927140","display_name":"Block Error Rate","level":3,"score":0.27230000495910645},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.27160000801086426},{"id":"https://openalex.org/C510870077","wikidata":"https://www.wikidata.org/wiki/Q7444868","display_name":"Secure communication","level":3,"score":0.26429998874664307},{"id":"https://openalex.org/C205009425","wikidata":"https://www.wikidata.org/wiki/Q935662","display_name":"Forward secrecy","level":4,"score":0.26409998536109924},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.25999999046325684},{"id":"https://openalex.org/C180073179","wikidata":"https://www.wikidata.org/wiki/Q3304359","display_name":"Secure channel","level":3,"score":0.259799987077713},{"id":"https://openalex.org/C2778915421","wikidata":"https://www.wikidata.org/wiki/Q3643177","display_name":"Performance improvement","level":2,"score":0.2558000087738037}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2025.3615172","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3615172","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:1fc70e4117eb4074a246e5e6bf247b3b","is_oa":true,"landing_page_url":"https://doaj.org/article/1fc70e4117eb4074a246e5e6bf247b3b","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 13, Pp 174535-174545 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2025.3615172","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2025.3615172","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":[{"score":0.9045301675796509,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G1594195845","display_name":null,"funder_award_id":"2021YFB2900502","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4132337653","display_name":"\u65e0\u7ebf\u7f51\u7edc\u52a8\u6001\u573a\u666f\u4e0b\u81ea\u9002\u5e94\u7269\u7406\u5c42\u8ba4\u8bc1\u4e0e\u5b89\u5168\u901a\u4fe1\u65b9\u6cd5\u7814\u7a76","funder_award_id":"62071367","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7162777270","display_name":null,"funder_award_id":"2021YFB2900502","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1902058099","https://openalex.org/W2012843201","https://openalex.org/W2806471149","https://openalex.org/W2899406779","https://openalex.org/W2964113506","https://openalex.org/W3006541201","https://openalex.org/W3011988020","https://openalex.org/W3091162953","https://openalex.org/W3093657066","https://openalex.org/W3093702528","https://openalex.org/W3099350037","https://openalex.org/W3155167419","https://openalex.org/W4226242403","https://openalex.org/W4285815721","https://openalex.org/W4288062148","https://openalex.org/W4290995093","https://openalex.org/W4297911926","https://openalex.org/W4360996395","https://openalex.org/W4377708845","https://openalex.org/W4381322472","https://openalex.org/W4381416163","https://openalex.org/W4385894332","https://openalex.org/W4386472924","https://openalex.org/W4388196354","https://openalex.org/W4390659399","https://openalex.org/W4393062420","https://openalex.org/W4394862926","https://openalex.org/W4400231210","https://openalex.org/W4400277412","https://openalex.org/W4401210818","https://openalex.org/W4410358831","https://openalex.org/W4410491822","https://openalex.org/W4411784600"],"related_works":[],"abstract_inverted_index":{"Orthogonal":[0],"time":[1],"frequency":[2],"space":[3],"(OTFS)":[4],"modulation":[5],"is":[6,65,114,146,150],"emerging":[7],"as":[8],"a":[9,75,101,133,166],"strong":[10],"candidate":[11],"for":[12,124,174],"Low":[13],"Earth":[14],"Orbit":[15],"(LEO)":[16],"satellite":[17,108],"communication":[18],"systems":[19,61],"due":[20],"to":[21,24,99,116,172],"its":[22],"ability":[23],"counter":[25],"Doppler":[26],"and":[27,49,84,109,127,148,177,198],"delay":[28],"impairments,":[29],"enabling":[30,129],"reliable":[31],"performance":[32,149],"in":[33,44,56],"high-mobility":[34],"environments.":[35],"However,":[36],"OTFS-based":[37],"LEO":[38,203],"Satcom":[39],"still":[40],"faces":[41],"critical":[42],"challenges":[43],"physical":[45],"layer":[46],"security":[47,197],"(PLS)":[48],"peak-to-average":[50],"power":[51],"ratio":[52],"(PAPR)":[53],"reduction,":[54],"particularly":[55],"Frequency":[57],"Division":[58],"Duplex":[59],"(FDD)":[60],"where":[62],"channel":[63,93],"reciprocity":[64],"only":[66],"partial.":[67],"To":[68],"address":[69],"these":[70],"issues,":[71],"this":[72],"paper":[73],"proposes":[74],"chaos-based":[76],"secure":[77,118],"OTFS":[78],"scheme":[79,88,192],"that":[80,156,189],"jointly":[81],"enhances":[82],"secrecy":[83,144,162],"reduces":[85],"PAPR.":[86],"The":[87],"exploits":[89],"the":[90,96,107,122,142,157,175,190,196],"slow-varying":[91],"delay-Doppler":[92],"characteristics":[94],"of":[95,141,202],"legitimate":[97],"link":[98],"derive":[100],"common":[102],"chaos":[103],"sequence":[104,113],"at":[105],"both":[106,195],"ground":[110],"receiver.":[111],"This":[112],"used":[115],"generate":[117],"phase":[119],"rotations,":[120],"eliminating":[121],"need":[123],"side-information":[125],"exchange":[126],"simultaneously":[128],"PAPR":[130,180],"reduction":[131,181],"through":[132,152],"selective":[134],"mapping":[135],"(SLM)":[136],"process.":[137],"A":[138],"closed-form":[139],"approximation":[140],"ergodic":[143],"rate":[145,163,169],"derived,":[147],"validated":[151],"simulation.":[153],"Results":[154],"show":[155],"proposed":[158,191],"method":[159],"significantly":[160],"improves":[161],"while":[164],"maintaining":[165],"bit":[167],"error":[168],"(BER)":[170],"close":[171],"0.5":[173],"eavesdropper,":[176],"achieves":[178],"notable":[179],"without":[182],"additional":[183],"signaling":[184],"overhead.":[185],"These":[186],"findings":[187],"confirm":[188],"effectively":[193],"addresses":[194],"energy":[199],"efficiency":[200],"requirements":[201],"Satcom.":[204]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}