{"id":"https://openalex.org/W2200331785","doi":"https://doi.org/10.1109/lwc.2015.2469776","title":"Detectability of Chaotic Direct-Sequence Spread-Spectrum Signals","display_name":"Detectability of Chaotic Direct-Sequence Spread-Spectrum Signals","publication_year":2015,"publication_date":"2015-08-18","ids":{"openalex":"https://openalex.org/W2200331785","doi":"https://doi.org/10.1109/lwc.2015.2469776","mag":"2200331785"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2015.2469776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2469776","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-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/A5062877198","display_name":"Sedighe Sedaghatnejad","orcid":null},"institutions":[{"id":"https://openalex.org/I166459259","display_name":"Shiraz University","ror":"https://ror.org/028qtbk54","country_code":"IR","type":"education","lineage":["https://openalex.org/I166459259"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Sedighe Sedaghatnejad","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran","institution_ids":["https://openalex.org/I166459259"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044338113","display_name":"Mahmoud Farhang","orcid":"https://orcid.org/0000-0001-9383-8475"},"institutions":[{"id":"https://openalex.org/I166459259","display_name":"Shiraz University","ror":"https://ror.org/028qtbk54","country_code":"IR","type":"education","lineage":["https://openalex.org/I166459259"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mahmoud Farhang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Shiraz University, Shiraz, Iran","institution_ids":["https://openalex.org/I166459259"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5062877198"],"corresponding_institution_ids":["https://openalex.org/I166459259"],"apc_list":null,"apc_paid":null,"fwci":0.9985,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.80220954,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"4","issue":"6","first_page":"589","last_page":"592"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9950000047683716,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10244","display_name":"Chaos control and synchronization","score":0.98089998960495,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10282","display_name":"Financial Risk and Volatility Modeling","score":0.9337000250816345,"subfield":{"id":"https://openalex.org/subfields/2003","display_name":"Finance"},"field":{"id":"https://openalex.org/fields/20","display_name":"Economics, Econometrics and Finance"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/direct-sequence-spread-spectrum","display_name":"Direct-sequence spread spectrum","score":0.8957242965698242},{"id":"https://openalex.org/keywords/chaotic","display_name":"Chaotic","score":0.8531190156936646},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.8470983505249023},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5544289946556091},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.5481045246124268},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.5019824504852295},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47959721088409424},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.30305683612823486},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.2030576467514038},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17803362011909485},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.06950151920318604}],"concepts":[{"id":"https://openalex.org/C194491627","wikidata":"https://www.wikidata.org/wiki/Q1334354","display_name":"Direct-sequence spread spectrum","level":4,"score":0.8957242965698242},{"id":"https://openalex.org/C2777052490","wikidata":"https://www.wikidata.org/wiki/Q5072826","display_name":"Chaotic","level":2,"score":0.8531190156936646},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.8470983505249023},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5544289946556091},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.5481045246124268},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.5019824504852295},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47959721088409424},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30305683612823486},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.2030576467514038},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17803362011909485},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.06950151920318604},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2015.2469776","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2015.2469776","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322242","display_name":"Iran's National Elites Foundation","ror":"https://ror.org/05629dh87"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W234899517","https://openalex.org/W1525535255","https://openalex.org/W1965392255","https://openalex.org/W1980201978","https://openalex.org/W1983610844","https://openalex.org/W2014033631","https://openalex.org/W2017398553","https://openalex.org/W2018672845","https://openalex.org/W2021891208","https://openalex.org/W2056383532","https://openalex.org/W2064039105","https://openalex.org/W2096509667","https://openalex.org/W2099503269","https://openalex.org/W2099974497","https://openalex.org/W2113619583","https://openalex.org/W2120789392","https://openalex.org/W2124482374","https://openalex.org/W2141131631","https://openalex.org/W2155324229","https://openalex.org/W2161758892","https://openalex.org/W2162655473","https://openalex.org/W2170579757","https://openalex.org/W2482944896","https://openalex.org/W4206180546","https://openalex.org/W4230949936","https://openalex.org/W4243810537"],"related_works":["https://openalex.org/W4224302876","https://openalex.org/W2304504342","https://openalex.org/W2358841638","https://openalex.org/W2362112362","https://openalex.org/W2394108910","https://openalex.org/W242789257","https://openalex.org/W2148225991","https://openalex.org/W2720413303","https://openalex.org/W2360749942","https://openalex.org/W1484052500"],"abstract_inverted_index":{"Chaotic":[0],"spreading":[1,68,99],"sequences":[2,24,100],"were":[3],"previously":[4],"proposed":[5],"for":[6,53],"use":[7,96],"in":[8,27,30,57],"direct-sequence":[9],"spread-spectrum":[10],"(DSSS)":[11],"communications":[12],"systems,":[13],"and":[14,77],"it":[15],"was":[16],"suggested":[17],"that":[18,94],"the":[19,31,39,46,49,63,74,83,95,105],"nonbinary":[20],"nature":[21,85],"of":[22,34,38,48,67,86,97,107],"these":[23],"would":[25,101],"result":[26],"an":[28],"improvement":[29],"low":[32],"probability":[33],"intercept":[35,51],"(LPI)":[36],"performance":[37,71],"signal.":[40],"In":[41],"this":[42],"letter,":[43],"we":[44],"derive":[45],"structure":[47],"optimum":[50],"receivers":[52,76],"chaotic":[54,87,98],"DSSS":[55,108],"signals":[56],"a":[58],"statistical":[59],"framework":[60],"by":[61],"exploiting":[62],"known":[64],"probabilistic":[65],"behavior":[66],"sequences.":[69],"A":[70],"comparison":[72],"between":[73],"optimal":[75],"more":[78],"practical":[79],"suboptimum":[80],"detectors-which":[81],"overlook":[82],"multilevel":[84],"sequences-is":[88],"also":[89],"provided.":[90],"The":[91],"results":[92],"imply":[93],"not":[102],"help":[103],"increase":[104],"covertness":[106],"signals.":[109]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
