{"id":"https://openalex.org/W2029063762","doi":"https://doi.org/10.1049/iet-com:20060529","title":"On sub-band adaptive chip equalisation for direct sequence code division multiple access downlink over dispersive channels","display_name":"On sub-band adaptive chip equalisation for direct sequence code division multiple access downlink over dispersive channels","publication_year":2007,"publication_date":"2007-08-02","ids":{"openalex":"https://openalex.org/W2029063762","doi":"https://doi.org/10.1049/iet-com:20060529","mag":"2029063762"},"language":"en","primary_location":{"id":"doi:10.1049/iet-com:20060529","is_oa":false,"landing_page_url":"https://doi.org/10.1049/iet-com:20060529","pdf_url":null,"source":{"id":"https://openalex.org/S85427048","display_name":"IET Communications","issn_l":"1751-8628","issn":["1751-8628","1751-8636"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5071773150","display_name":"Yin Hoe Ng","orcid":"https://orcid.org/0000-0002-9854-0384"},"institutions":[{"id":"https://openalex.org/I173029219","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33","country_code":"MY","type":"education","lineage":["https://openalex.org/I173029219"]}],"countries":["MY"],"is_corresponding":true,"raw_author_name":"Y.H. Ng","raw_affiliation_strings":["Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia","institution_ids":["https://openalex.org/I173029219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012813108","display_name":"Hafizal Mohamad","orcid":"https://orcid.org/0000-0003-1915-6710"},"institutions":[{"id":"https://openalex.org/I173029219","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33","country_code":"MY","type":"education","lineage":["https://openalex.org/I173029219"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"H. Mohamad","raw_affiliation_strings":["Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia","institution_ids":["https://openalex.org/I173029219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026706524","display_name":"Teong Chee Chuah","orcid":"https://orcid.org/0000-0002-6285-9481"},"institutions":[{"id":"https://openalex.org/I173029219","display_name":"Multimedia University","ror":"https://ror.org/04zrbnc33","country_code":"MY","type":"education","lineage":["https://openalex.org/I173029219"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"T.C. Chuah","raw_affiliation_strings":["Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, Multimedia University, Jalan Multimedia, Cyberjaya, Selangor 63100, Malaysia","institution_ids":["https://openalex.org/I173029219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5071773150"],"corresponding_institution_ids":["https://openalex.org/I173029219"],"apc_list":{"value":2000,"currency":"EUR","value_usd":2200},"apc_paid":null,"fwci":0.6771,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.73954713,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"1","issue":"4","first_page":"802","last_page":"809"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9993000030517578,"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/code-division-multiple-access","display_name":"Code division multiple access","score":0.7766454219818115},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.667170524597168},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6536897420883179},{"id":"https://openalex.org/keywords/equaliser","display_name":"Equaliser","score":0.604620099067688},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5566302537918091},{"id":"https://openalex.org/keywords/chip","display_name":"Chip","score":0.5202794671058655},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5190016031265259},{"id":"https://openalex.org/keywords/intersymbol-interference","display_name":"Intersymbol interference","score":0.5116420388221741},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5104100108146667},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.46688786149024963},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4086424708366394},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3123026192188263},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15185588598251343}],"concepts":[{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.7766454219818115},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.667170524597168},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6536897420883179},{"id":"https://openalex.org/C29921413","wikidata":"https://www.wikidata.org/wiki/Q1224487","display_name":"Equaliser","level":3,"score":0.604620099067688},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5566302537918091},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.5202794671058655},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5190016031265259},{"id":"https://openalex.org/C97812054","wikidata":"https://www.wikidata.org/wiki/Q2166055","display_name":"Intersymbol interference","level":3,"score":0.5116420388221741},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5104100108146667},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.46688786149024963},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4086424708366394},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3123026192188263},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15185588598251343}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1049/iet-com:20060529","is_oa":false,"landing_page_url":"https://doi.org/10.1049/iet-com:20060529","pdf_url":null,"source":{"id":"https://openalex.org/S85427048","display_name":"IET Communications","issn_l":"1751-8628","issn":["1751-8628","1751-8636"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310311714","host_organization_name":"Institution of Engineering and Technology","host_organization_lineage":["https://openalex.org/P4310311714"],"host_organization_lineage_names":["Institution of Engineering and Technology"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IET Communications","raw_type":"journal-article"},{"id":"pmh:oai:shdl.mmu.edu.my:3027","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196753","display_name":"Siti Hasmah Digital Library-MMU Institutiona Repository (Multimedia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I173029219","host_organization_name":"Multimedia University","host_organization_lineage":["https://openalex.org/I173029219"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"NonPeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W179666534","https://openalex.org/W1481985061","https://openalex.org/W1492221128","https://openalex.org/W1505575732","https://openalex.org/W1617046274","https://openalex.org/W1910794954","https://openalex.org/W1922197302","https://openalex.org/W1935868753","https://openalex.org/W1944795098","https://openalex.org/W1996981692","https://openalex.org/W2020278920","https://openalex.org/W2066947968","https://openalex.org/W2068783141","https://openalex.org/W2072774497","https://openalex.org/W2115151494","https://openalex.org/W2122050473","https://openalex.org/W2122699108","https://openalex.org/W2134446520","https://openalex.org/W2142608669","https://openalex.org/W2157929473","https://openalex.org/W2895674046","https://openalex.org/W2912369344","https://openalex.org/W4251350678","https://openalex.org/W6629420886","https://openalex.org/W6758277601","https://openalex.org/W7045474554"],"related_works":["https://openalex.org/W1993204423","https://openalex.org/W2095006250","https://openalex.org/W2066522853","https://openalex.org/W2105025884","https://openalex.org/W2532095989","https://openalex.org/W2013163248","https://openalex.org/W3140593386","https://openalex.org/W2046329701","https://openalex.org/W1550364411","https://openalex.org/W3095930164"],"abstract_inverted_index":{"In":[0],"the":[1,27,42,50,92,96,101,105,113,139,145,149,154],"downlink":[2],"of":[3,95,104,157],"a":[4],"synchronous":[5],"direct":[6],"sequence":[7],"code":[8,28],"division":[9],"multiple":[10,36],"access":[11,37],"(DS-CDMA)":[12],"system":[13],"utilising":[14],"orthogonal":[15],"codes,":[16],"intersymbol":[17],"interference":[18,38],"(ISI)":[19],"arises":[20],"due":[21],"to":[22,35,99],"multi-path":[23],"propagation,":[24],"which":[25],"destroys":[26],"orthogonality":[29],"and":[30,65,121,148],"in":[31,135,160],"turn,":[32],"gives":[33],"rise":[34],"(MAI).":[39],"Therefore":[40],"if":[41],"ISI":[43],"can":[44,52],"be":[45,53],"mitigated":[46],"through":[47],"channel":[48,58,116],"equalisation,":[49],"MAI":[51],"effectively":[54],"reduced.":[55],"However,":[56],"existing":[57],"equalisers":[59],"are":[60,125],"plagued":[61],"with":[62,127],"different":[63],"performance":[64,82],"complexity":[66],"issues.":[67],"A":[68],"sub-band":[69],"adaptive":[70],"chip":[71],"equalising":[72],"(SACE)":[73],"receiver":[74,90,142,147],"is":[75,132],"proposed":[76,140],"as":[77],"an":[78],"effective":[79],"solution":[80],"for":[81,118],"enhancement":[83],"over":[84],"time-dispersive":[85],"DS-CDMA":[86],"downlinks.":[87],"The":[88],"SACE":[89,141],"exploits":[91],"pre-whitening":[93],"effect":[94],"filter":[97],"banks":[98],"reduce":[100],"eigenvalue":[102],"spread":[103],"input":[106],"signal":[107],"covariance":[108],"matrix.":[109],"Results":[110],"based":[111],"on":[112],"popular":[114],"COST-207":[115],"models":[117],"bad":[119],"urban":[120],"hilly":[122],"terrain":[123],"areas":[124],"presented":[126],"varying":[128],"loaded":[129],"conditions.":[130],"It":[131],"observed":[133],"that":[134],"highly":[136],"dispersive":[137],"channels,":[138],"significantly":[143],"outperforms":[144],"correlation":[146],"full-band":[150],"equaliser":[151],"while":[152],"retaining":[153],"desirable":[155],"attribute":[156],"graceful":[158],"degradation":[159],"CDMA":[161],"networks.":[162]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}