{"id":"https://openalex.org/W2990914270","doi":"https://doi.org/10.23919/softcom.2019.8903836","title":"Performance of Three Dimensional Diagonal Eigenvalue Unity/Multi-Diagonal Code for OCDMA System","display_name":"Performance of Three Dimensional Diagonal Eigenvalue Unity/Multi-Diagonal Code for OCDMA System","publication_year":2019,"publication_date":"2019-09-01","ids":{"openalex":"https://openalex.org/W2990914270","doi":"https://doi.org/10.23919/softcom.2019.8903836","mag":"2990914270"},"language":"en","primary_location":{"id":"doi:10.23919/softcom.2019.8903836","is_oa":false,"landing_page_url":"https://doi.org/10.23919/softcom.2019.8903836","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","raw_type":"proceedings-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/A5022912916","display_name":"Nabiha Jellali","orcid":null},"institutions":[{"id":"https://openalex.org/I63596082","display_name":"Tunis El Manar University","ror":"https://ror.org/029cgt552","country_code":"TN","type":"education","lineage":["https://openalex.org/I63596082"]},{"id":"https://openalex.org/I4210131288","display_name":"National Engineering School of Tunis","ror":"https://ror.org/03b1zjt31","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]}],"countries":["TN"],"is_corresponding":true,"raw_author_name":"Nabiha Jellali","raw_affiliation_strings":["National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar"],"affiliations":[{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]},{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002267879","display_name":"Moez Ferchichi","orcid":null},"institutions":[{"id":"https://openalex.org/I4210131288","display_name":"National Engineering School of Tunis","ror":"https://ror.org/03b1zjt31","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]},{"id":"https://openalex.org/I63596082","display_name":"Tunis El Manar University","ror":"https://ror.org/029cgt552","country_code":"TN","type":"education","lineage":["https://openalex.org/I63596082"]}],"countries":["TN"],"is_corresponding":false,"raw_author_name":"Ferchichi Moez","raw_affiliation_strings":["National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar"],"affiliations":[{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]},{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys'ComENIT) University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073839766","display_name":"Monia Najjar","orcid":"https://orcid.org/0000-0003-4484-4523"},"institutions":[{"id":"https://openalex.org/I4210131288","display_name":"National Engineering School of Tunis","ror":"https://ror.org/03b1zjt31","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]},{"id":"https://openalex.org/I63596082","display_name":"Tunis El Manar University","ror":"https://ror.org/029cgt552","country_code":"TN","type":"education","lineage":["https://openalex.org/I63596082"]},{"id":"https://openalex.org/I4210155092","display_name":"Czech Academy of Sciences, Institute of Computer Science","ror":"https://ror.org/0496n6574","country_code":"CZ","type":"facility","lineage":["https://openalex.org/I202391551","https://openalex.org/I4210155092"]}],"countries":["CZ","TN"],"is_corresponding":false,"raw_author_name":"Monia Najjar","raw_affiliation_strings":["National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys ‘ComENIT)), Higher Institute of Computer Science (ISI), University of Tunis El Manar","National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys 'ComENIT)), Higher Institute of Computer Science (ISI), University of Tunis El Manar"],"affiliations":[{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys ‘ComENIT)), Higher Institute of Computer Science (ISI), University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"]},{"raw_affiliation_string":"National Engineering School of Tunis, Communications Systems LR-99-ES21 (LR-Sys 'ComENIT)), Higher Institute of Computer Science (ISI), University of Tunis El Manar","institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082","https://openalex.org/I4210155092"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5022912916"],"corresponding_institution_ids":["https://openalex.org/I4210131288","https://openalex.org/I63596082"],"apc_list":null,"apc_paid":null,"fwci":0.2385,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.5659045,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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/T11797","display_name":"graph theory and CDMA systems","score":0.9998999834060669,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9998999834060669,"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/T11130","display_name":"Coding theory and cryptography","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10649","display_name":"Multiple Myeloma Research and Treatments","score":0.932699978351593,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"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/diagonal","display_name":"Diagonal","score":0.9345898628234863},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.6497333645820618},{"id":"https://openalex.org/keywords/diagonal-matrix","display_name":"Diagonal matrix","score":0.5992274880409241},{"id":"https://openalex.org/keywords/eigenvalues-and-eigenvectors","display_name":"Eigenvalues and eigenvectors","score":0.5789971351623535},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5220836997032166},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.490534245967865},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.46026259660720825},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3726445436477661},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.26286548376083374},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21738570928573608},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.21175822615623474}],"concepts":[{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.9345898628234863},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6497333645820618},{"id":"https://openalex.org/C113313756","wikidata":"https://www.wikidata.org/wiki/Q332791","display_name":"Diagonal matrix","level":3,"score":0.5992274880409241},{"id":"https://openalex.org/C158693339","wikidata":"https://www.wikidata.org/wiki/Q190524","display_name":"Eigenvalues and eigenvectors","level":2,"score":0.5789971351623535},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5220836997032166},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.490534245967865},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46026259660720825},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3726445436477661},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.26286548376083374},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21738570928573608},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.21175822615623474},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/softcom.2019.8903836","is_oa":false,"landing_page_url":"https://doi.org/10.23919/softcom.2019.8903836","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 International Conference on Software, Telecommunications and Computer Networks (SoftCOM)","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":13,"referenced_works":["https://openalex.org/W1963885704","https://openalex.org/W2023862460","https://openalex.org/W2042082386","https://openalex.org/W2044236382","https://openalex.org/W2107022912","https://openalex.org/W2128232218","https://openalex.org/W2268963647","https://openalex.org/W2591449293","https://openalex.org/W2750082100","https://openalex.org/W2767728063","https://openalex.org/W2889272647","https://openalex.org/W2902312143","https://openalex.org/W6754582117"],"related_works":["https://openalex.org/W1529195008","https://openalex.org/W2034395027","https://openalex.org/W2028994362","https://openalex.org/W4384918718","https://openalex.org/W38983538","https://openalex.org/W2924468784","https://openalex.org/W2034598826","https://openalex.org/W4285317199","https://openalex.org/W2087913063","https://openalex.org/W1525824672"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5],"three-dimensional":[6],"spectral/temporal/spatial":[7],"code":[8,11,22,33,50],"for":[9,25,35],"optical":[10],"division":[12],"multiple":[13],"access":[14],"(OCDMA)":[15],"system.":[16],"The":[17],"diagonal":[18,76],"eigen":[19],"value":[20],"unity":[21],"is":[23],"used":[24],"spectral":[26],"and":[27,30,85],"temporal":[28],"spreading":[29],"the":[31,43,48,86],"multi-diagonal":[32],"family":[34],"spatial":[36],"encoding.":[37],"For":[38],"high":[39],"bit":[40],"rate":[41],"systems,":[42],"numerical":[44],"simulations":[45],"show":[46],"that":[47],"proposed":[49],"(3D-DEU/MD)":[51],"outperforms":[52],"three":[53,58,63],"dimensional":[54,59,64,68,74],"perfect":[55,60],"difference":[56],"(3D-PD),":[57],"difference/multi-diagonal":[61],"(3D-PD/MD),":[62],"multi-service/multi-diagonal":[65],"(3D-MS/MD),":[66],"two":[67],"Diagonal":[69],"Eigenvalue":[70],"Unity":[71],"(2D-DEU),":[72],"one":[73],"multi":[75],"(1D-MD)":[77],"codes":[78],"in":[79],"terms":[80],"of":[81],"active":[82],"users":[83],"number":[84],"required":[87],"source":[88],"power.":[89]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}