{"id":"https://openalex.org/W2059104276","doi":"https://doi.org/10.1155/2008/298784","title":"Employing LSF at Transmitter Eases MMSE Adaptation at Receiver in Asynchronous CDMA Systems","display_name":"Employing LSF at Transmitter Eases MMSE Adaptation at Receiver in Asynchronous CDMA Systems","publication_year":2009,"publication_date":"2009-01-18","ids":{"openalex":"https://openalex.org/W2059104276","doi":"https://doi.org/10.1155/2008/298784","mag":"2059104276"},"language":"en","primary_location":{"id":"doi:10.1155/2008/298784","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/298784","pdf_url":"https://link.springer.com/content/pdf/10.1155/2008/298784.pdf","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://link.springer.com/content/pdf/10.1155/2008/298784.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029561892","display_name":"Masahiro Yukawa","orcid":"https://orcid.org/0000-0002-3709-275X"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Masahiro Yukawa","raw_affiliation_strings":["Amari Research Unit (BSI), 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan","Amari Research Unit, Wako, Saitama, Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Amari Research Unit (BSI), 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan","institution_ids":[]},{"raw_affiliation_string":"Amari Research Unit, Wako, Saitama, Japan#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001619132","display_name":"Ken Umeno","orcid":"https://orcid.org/0000-0002-9162-1261"},"institutions":[{"id":"https://openalex.org/I166311279","display_name":"Wacom (Japan)","ror":"https://ror.org/001tx6p24","country_code":"JP","type":"company","lineage":["https://openalex.org/I166311279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ken Umeno","raw_affiliation_strings":["Next Generation Mobile Communications Laboratory (CIPS), 2-1 Hirosawa, Wako, Saitama, 351-0106, Japan","Next Generation Mobile Communications Laboratory, Wako, Saitama, Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Next Generation Mobile Communications Laboratory (CIPS), 2-1 Hirosawa, Wako, Saitama, 351-0106, Japan","institution_ids":[]},{"raw_affiliation_string":"Next Generation Mobile Communications Laboratory, Wako, Saitama, Japan#TAB#","institution_ids":["https://openalex.org/I166311279"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004444559","display_name":"Gen Hori","orcid":null},"institutions":[{"id":"https://openalex.org/I166311279","display_name":"Wacom (Japan)","ror":"https://ror.org/001tx6p24","country_code":"JP","type":"company","lineage":["https://openalex.org/I166311279"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Gen Hori","raw_affiliation_strings":["Next Generation Mobile Communications Laboratory (CIPS), 2-1 Hirosawa, Wako, Saitama, 351-0106, Japan","Next Generation Mobile Communications Laboratory, Wako, Saitama, Japan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Next Generation Mobile Communications Laboratory (CIPS), 2-1 Hirosawa, Wako, Saitama, 351-0106, Japan","institution_ids":[]},{"raw_affiliation_string":"Next Generation Mobile Communications Laboratory, Wako, Saitama, Japan#TAB#","institution_ids":["https://openalex.org/I166311279"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5029561892"],"corresponding_institution_ids":[],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13435541,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2008","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":1.0,"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":1.0,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9995999932289124,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/computer-science","display_name":"Computer science","score":0.7664075493812561},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6969093680381775},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.5986179113388062},{"id":"https://openalex.org/keywords/finite-impulse-response","display_name":"Finite impulse response","score":0.5488930940628052},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5322957038879395},{"id":"https://openalex.org/keywords/asynchronous-communication","display_name":"Asynchronous communication","score":0.5094836354255676},{"id":"https://openalex.org/keywords/root-raised-cosine-filter","display_name":"Root-raised-cosine filter","score":0.49548494815826416},{"id":"https://openalex.org/keywords/matched-filter","display_name":"Matched filter","score":0.47950273752212524},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4546530544757843},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.4470835328102112},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.41197559237480164},{"id":"https://openalex.org/keywords/filter-design","display_name":"Filter design","score":0.35911017656326294},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22385209798812866},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1831434965133667},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1567886769771576}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7664075493812561},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6969093680381775},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.5986179113388062},{"id":"https://openalex.org/C198386975","wikidata":"https://www.wikidata.org/wiki/Q117785","display_name":"Finite impulse response","level":2,"score":0.5488930940628052},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5322957038879395},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.5094836354255676},{"id":"https://openalex.org/C76826599","wikidata":"https://www.wikidata.org/wiki/Q1248611","display_name":"Root-raised-cosine filter","level":4,"score":0.49548494815826416},{"id":"https://openalex.org/C50151734","wikidata":"https://www.wikidata.org/wiki/Q1759577","display_name":"Matched filter","level":3,"score":0.47950273752212524},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4546530544757843},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.4470835328102112},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.41197559237480164},{"id":"https://openalex.org/C22597639","wikidata":"https://www.wikidata.org/wiki/Q5449227","display_name":"Filter design","level":3,"score":0.35911017656326294},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22385209798812866},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1831434965133667},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1567886769771576},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1155/2008/298784","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/298784","pdf_url":"https://link.springer.com/content/pdf/10.1155/2008/298784.pdf","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c3f0a203204c4fe9b269ee9d8e267223","is_oa":true,"landing_page_url":"https://doaj.org/article/c3f0a203204c4fe9b269ee9d8e267223","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":"EURASIP Journal on Wireless Communications and Networking, Vol 2008, Iss 1, p 298784 (2008)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2008/298784","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2008/298784","pdf_url":"https://link.springer.com/content/pdf/10.1155/2008/298784.pdf","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2059104276.pdf","grobid_xml":"https://content.openalex.org/works/W2059104276.grobid-xml"},"referenced_works_count":21,"referenced_works":["https://openalex.org/W256233370","https://openalex.org/W1525056140","https://openalex.org/W1605792945","https://openalex.org/W1991273000","https://openalex.org/W1996984927","https://openalex.org/W1997421799","https://openalex.org/W2036201099","https://openalex.org/W2096509667","https://openalex.org/W2101353425","https://openalex.org/W2108633657","https://openalex.org/W2110562101","https://openalex.org/W2117664067","https://openalex.org/W2126508692","https://openalex.org/W2126686657","https://openalex.org/W2127995963","https://openalex.org/W2136979582","https://openalex.org/W2137691028","https://openalex.org/W2142606351","https://openalex.org/W2144228966","https://openalex.org/W2164647122","https://openalex.org/W2168792526"],"related_works":["https://openalex.org/W2578420076","https://openalex.org/W2185477221","https://openalex.org/W3149575174","https://openalex.org/W2612256009","https://openalex.org/W2044381729","https://openalex.org/W1971962411","https://openalex.org/W3001217315","https://openalex.org/W2057117240","https://openalex.org/W1992598614","https://openalex.org/W2116564903"],"abstract_inverted_index":{"The":[0,35],"Lebesgue":[1],"spectrum":[2],"filter":[3,10,53,76,147],"(LSF),":[4],"a":[5,16,86,101,111],"finite":[6],"impulse":[7],"response":[8],"(FIR)":[9],"whose":[11],"coefficients":[12],"decay":[13],"exponentially":[14],"with":[15],"negative":[17],"factor":[18],",":[19],"is":[20,131],"shown":[21],"to":[22,94,114,123],"be":[23],"effective":[24],"preprocessing":[25],"for":[26,80,118],"spreading":[27,87],"code":[28,88],"in":[29,54,128],"asynchronous":[30,81],"code-division":[31],"multiple-access":[32],"(CDMA)":[33],"systems.":[34,83],"LSF":[36,69,92,143],"has":[37],"only":[38],"been":[39],"studied":[40],"independently":[41],"from":[42],"the":[43,55,68,71,74,78,91,98,106,119,139,142,145],"well-known":[44],"minimum":[45],"mean-square":[46,56],"error":[47,57],"(MMSE)":[48],"filter,":[49,121],"an":[50,64,115],"optimal":[51],"FIR":[52],"sense.":[58],"In":[59],"this":[60],"paper,":[61],"we":[62,137],"propose":[63],"efficient":[65],"structure,":[66],"employing":[67],"at":[70,77],"transmitter":[72],"and":[73,97,144],"MMSE":[75,120,146],"receiver,":[79],"CDMA":[82],"We":[84],"employ":[85],"preprocessed":[89],"by":[90,133,148],"(referred":[93],"as":[95],"LSF-code),":[96],"LSF-code":[99],"supplies":[100],"\"best\"":[102],"initial":[103],"estimate":[104],"(among":[105],"ones":[107],"obtained":[108],"without":[109],"any":[110],"priori":[112],"information)":[113],"adaptive":[116],"algorithm":[117],"leading":[122],"significant":[124],"reduction":[125],"of":[126],"iterations":[127],"adaptation.":[129],"This":[130],"verified":[132],"computer":[134],"simulations.":[135],"Also":[136],"investigate":[138],"link":[140],"between":[141],"examining":[149],"their":[150],"autocorrelation":[151],"properties.":[152]},"counts_by_year":[],"updated_date":"2026-06-16T07:32:37.131356","created_date":"2025-10-10T00:00:00"}
