{"id":"https://openalex.org/W2102403970","doi":"https://doi.org/10.1109/icc.2009.5305941","title":"Prototyping of a Pass-Band Chaos-Based CDMA System in FPGA Technology","display_name":"Prototyping of a Pass-Band Chaos-Based CDMA System in FPGA Technology","publication_year":2009,"publication_date":"2009-06-01","ids":{"openalex":"https://openalex.org/W2102403970","doi":"https://doi.org/10.1109/icc.2009.5305941","mag":"2102403970"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2009.5305941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2009.5305941","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Communications","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/A5021419947","display_name":"Chieh-Yen Hsu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C.-Y. Hsu","raw_affiliation_strings":["Electrical and Computer Engineering, Auckland, New Zealand#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, Auckland, New Zealand#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003428456","display_name":"Stevan Berber","orcid":"https://orcid.org/0000-0002-2432-3088"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. M. Berber","raw_affiliation_strings":["Electrical and Computer Engineering, Auckland, New Zealand#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, Auckland, New Zealand#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14788169,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T12162","display_name":"Cellular Automata and Applications","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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":0.9990000128746033,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9966999888420105,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.7241716980934143},{"id":"https://openalex.org/keywords/demodulation","display_name":"Demodulation","score":0.6600722074508667},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6453827619552612},{"id":"https://openalex.org/keywords/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.5993456840515137},{"id":"https://openalex.org/keywords/stratix","display_name":"Stratix","score":0.5884076356887817},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5749444365501404},{"id":"https://openalex.org/keywords/chaotic","display_name":"Chaotic","score":0.5395082831382751},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5362439155578613},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.5306015610694885},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3961094617843628},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.3563510775566101},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3023359775543213},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2134276032447815},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1702125072479248}],"concepts":[{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.7241716980934143},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.6600722074508667},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6453827619552612},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.5993456840515137},{"id":"https://openalex.org/C2776277307","wikidata":"https://www.wikidata.org/wiki/Q22074755","display_name":"Stratix","level":3,"score":0.5884076356887817},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5749444365501404},{"id":"https://openalex.org/C2777052490","wikidata":"https://www.wikidata.org/wiki/Q5072826","display_name":"Chaotic","level":2,"score":0.5395082831382751},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5362439155578613},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.5306015610694885},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3961094617843628},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.3563510775566101},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3023359775543213},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2134276032447815},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1702125072479248},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2009.5305941","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2009.5305941","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.49000000953674316,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1807802056","https://openalex.org/W1939348723","https://openalex.org/W1968971721","https://openalex.org/W1994421844","https://openalex.org/W1996984927","https://openalex.org/W2096509667","https://openalex.org/W2099503269","https://openalex.org/W2106462619","https://openalex.org/W2109256542","https://openalex.org/W2123288809","https://openalex.org/W2159344178","https://openalex.org/W2160731155","https://openalex.org/W2161920078","https://openalex.org/W2164548277","https://openalex.org/W2268185874","https://openalex.org/W6693554850"],"related_works":["https://openalex.org/W1996543123","https://openalex.org/W4388516297","https://openalex.org/W2010761432","https://openalex.org/W4389302182","https://openalex.org/W2089955640","https://openalex.org/W2187189666","https://openalex.org/W4229074657","https://openalex.org/W1978322239","https://openalex.org/W2146363836","https://openalex.org/W2070047532"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"the":[3,53,56,60,111,116],"theoretical":[4,57,117],"analysis,":[5],"design":[6,90],"and":[7,49,113],"FPGA":[8,89],"implementation":[9],"of":[10,55,59,65],"a":[11,19,27,66],"pass-band":[12,67],"chaos-based":[13],"CDMA":[14],"system.":[15,62],"The":[16,63,76,88,106],"system":[17,77],"uses":[18],"digital":[20,37],"modulation":[21,48],"technique":[22],"called":[23],"Chaos-Phase-Shift-Keying":[24],"(CPSK)":[25],"in":[26,80],"complex":[28],"form,":[29],"where":[30],"chaotic":[31],"sequences":[32],"are":[33,44],"used":[34],"for":[35,46],"spreading":[36],"messages.":[38],"Conventional":[39],"multi-rate":[40],"signal":[41],"processing":[42],"techniques":[43],"employed":[45],"carrier":[47],"demodulation,":[50],"which":[51],"changed":[52],"structure":[54],"model":[58,64],"analysed":[61],"additive":[68],"white":[69],"Gaussian":[70],"noise":[71],"channel":[72],"is":[73,78,92],"also":[74],"constructed.":[75],"implemented":[79],"Altera":[81],"Stratix":[82],"II":[83],"EP2S180":[84],"DSP":[85,97],"Development":[86],"Board.":[87],"flow":[91],"carried":[93],"out":[94],"using":[95],"Alter":[96],"Builder":[98],"integrated":[99],"into":[100],"MathWorks":[101],"Simulink":[102],"algorithm":[103],"development":[104],"environment.":[105],"BER":[107],"characteristics":[108],"obtained":[109],"on":[110],"prototype":[112],"simulation":[114],"confirmed":[115],"findings.":[118]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}