{"id":"https://openalex.org/W7131431741","doi":"https://doi.org/10.48550/arxiv.2602.21114","title":"Delay Alignment Modulation for Secure ISAC Systems","display_name":"Delay Alignment Modulation for Secure ISAC Systems","publication_year":2026,"publication_date":"2026-02-24","ids":{"openalex":"https://openalex.org/W7131431741","doi":"https://doi.org/10.48550/arxiv.2602.21114"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2602.21114","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.21114","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2602.21114","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5126835196","display_name":"Tianyu Lu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lu, Tianyu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125373362","display_name":"Jiajun He","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"He, Jiajun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109481187","display_name":"MohammadAli Mohammadi","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Mohammadi, Mohammadali","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5126852081","display_name":"Michail Matthaiou","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Matthaiou, Michail","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.708899974822998,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.708899974822998,"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":0.10949999839067459,"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":0.050200000405311584,"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/multipath-propagation","display_name":"Multipath propagation","score":0.7110000252723694},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6747999787330627},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5874000191688538},{"id":"https://openalex.org/keywords/delay-spread","display_name":"Delay spread","score":0.5503000020980835},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.49959999322891235},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.4884999990463257},{"id":"https://openalex.org/keywords/secrecy","display_name":"Secrecy","score":0.4772000014781952},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4431000053882599},{"id":"https://openalex.org/keywords/path-loss","display_name":"Path loss","score":0.42899999022483826}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7361999750137329},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.7110000252723694},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6747999787330627},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5874000191688538},{"id":"https://openalex.org/C49456836","wikidata":"https://www.wikidata.org/wiki/Q666814","display_name":"Delay spread","level":4,"score":0.5503000020980835},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5436999797821045},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.49959999322891235},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4884999990463257},{"id":"https://openalex.org/C2776452267","wikidata":"https://www.wikidata.org/wiki/Q1503443","display_name":"Secrecy","level":2,"score":0.4772000014781952},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4431000053882599},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.43709999322891235},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.42899999022483826},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4090999960899353},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.40610000491142273},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.3905999958515167},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.37770000100135803},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.37400001287460327},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.3659000098705292},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.35260000824928284},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.34119999408721924},{"id":"https://openalex.org/C2780385302","wikidata":"https://www.wikidata.org/wiki/Q367158","display_name":"Protocol (science)","level":3,"score":0.3231000006198883},{"id":"https://openalex.org/C2776788033","wikidata":"https://www.wikidata.org/wiki/Q320769","display_name":"Eavesdropping","level":2,"score":0.3093000054359436},{"id":"https://openalex.org/C174749922","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath interference","level":4,"score":0.3012999892234802},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2883000075817108},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.28349998593330383},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"score":0.2639999985694885},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.25870001316070557},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2558000087738037},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.2533000111579895},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2531999945640564}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2602.21114","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.21114","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2602.21114","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2602.21114","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"delay-alignment":[3],"modulation":[4],"(DAM)":[5],"for":[6],"secure":[7],"integrated":[8],"sensing":[9,61,141],"and":[10,77,97,114,122],"communication":[11],"(ISAC).":[12],"Due":[13],"to":[14,24,35],"the":[15,33,38,42,46,56,75,79,82,92,98,102,131],"broadcast":[16],"nature":[17],"of":[18,81,101,137],"multi-user":[19],"downlinks,":[20],"communications":[21],"are":[22],"vulnerable":[23],"eavesdropping.":[25],"DAM":[26,128],"applies":[27],"controlled":[28],"per-path":[29],"symbol":[30],"delays":[31],"at":[32,41,55,147,152],"transmitter":[34],"coherently":[36],"align":[37],"multipath":[39,65,88],"components":[40],"intended":[43],"user,":[44],"enhancing":[45],"received":[47],"signal":[48],"power,":[49],"while":[50,139],"simultaneously":[51],"creating":[52],"delay":[53,80,145],"misalignment":[54],"eavesdropper":[57],"(Eve).":[58],"To":[59],"mitigate":[60],"degradation":[62],"caused":[63],"by":[64],"propagation,":[66],"we":[67,106],"propose":[68],"a":[69,108,116],"two-stage":[70],"protocol":[71],"that":[72],"first":[73],"estimates":[74],"angle":[76],"then":[78],"line-of-sight":[83],"(LoS)":[84],"path":[85],"after":[86],"suppressing":[87],"interference.":[89],"We":[90],"derive":[91],"secrecy":[93],"spectral":[94],"efficiency":[95],"(SSE)":[96],"Cramer-Rao":[99],"(CRB)":[100],"target":[103],"delay.":[104],"Finally,":[105],"develop":[107],"path-based":[109],"zero-forcing":[110],"(ZF)":[111],"precoding":[112],"framework":[113],"formulate":[115],"max-min":[117],"SSE":[118],"design":[119],"under":[120],"CRB":[121],"power":[123],"constraints.":[124],"Simulation":[125],"results":[126],"show":[127],"significantly":[129],"outperforms":[130],"strongest-path":[132],"(SP)":[133],"benchmark":[134],"in":[135],"terms":[136],"SSE,":[138],"meeting":[140],"requirements,":[142],"since":[143],"intentional":[144],"alignment":[146],"legitimate":[148],"users":[149],"degrades":[150],"reception":[151],"Eve.":[153]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-02-26T00:00:00"}