{"id":"https://openalex.org/W1604564974","doi":"https://doi.org/10.1109/iscas.2002.1009934","title":"Reduced-dimension multiuser detection based on grouping users and reducing effective length of spread spectrum code in CDMA systems","display_name":"Reduced-dimension multiuser detection based on grouping users and reducing effective length of spread spectrum code in CDMA systems","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W1604564974","doi":"https://doi.org/10.1109/iscas.2002.1009934","mag":"1604564974"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2002.1009934","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2002.1009934","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353)","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/A5008109166","display_name":"Zheng Zhao","orcid":"https://orcid.org/0000-0002-7727-7097"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zheng Zhao","raw_affiliation_strings":["School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","Inst. of Inf. Eng., Xi''an Jiaotong Univ., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"Inst. of Inf. Eng., Xi''an Jiaotong Univ., China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100512532","display_name":"Qinye Yin","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qinye Yin","raw_affiliation_strings":["School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","Inst. of Inf. Eng., Xi''an Jiaotong Univ., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"Inst. of Inf. Eng., Xi''an Jiaotong Univ., China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100941382","display_name":"Aigang Feng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Aigang Feng","raw_affiliation_strings":["School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","Inst. of Inf. Eng., Xi''an Jiaotong Univ., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"Inst. of Inf. Eng., Xi''an Jiaotong Univ., China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102869694","display_name":"Xiaojun Wu","orcid":"https://orcid.org/0000-0002-7779-553X"},"institutions":[{"id":"https://openalex.org/I4210156404","display_name":"Institute of Information Engineering","ror":"https://ror.org/04r53se39","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210156404"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojun Wu","raw_affiliation_strings":["School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","Inst. of Inf. Eng., Xi''an Jiaotong Univ., China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering,Institute of Information Engineering, XiE28099an, Jiaotong University, China","institution_ids":["https://openalex.org/I4210156404"]},{"raw_affiliation_string":"Inst. of Inf. Eng., Xi''an Jiaotong Univ., China","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2485,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.61839206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":null,"first_page":"I","last_page":"689"},"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":0.9998000264167786,"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":0.9966999888420105,"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/multiuser-detection","display_name":"Multiuser detection","score":0.7267904877662659},{"id":"https://openalex.org/keywords/spread-spectrum","display_name":"Spread spectrum","score":0.7058026194572449},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.684227705001831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6690337657928467},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.6602100133895874},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5580416917800903},{"id":"https://openalex.org/keywords/relation","display_name":"Relation (database)","score":0.45715850591659546},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.4437635540962219},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.4222908020019531},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.34087270498275757},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30963334441185},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18728533387184143},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.1205914318561554}],"concepts":[{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.7267904877662659},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.7058026194572449},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.684227705001831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6690337657928467},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.6602100133895874},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5580416917800903},{"id":"https://openalex.org/C25343380","wikidata":"https://www.wikidata.org/wiki/Q277521","display_name":"Relation (database)","level":2,"score":0.45715850591659546},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.4437635540962219},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4222908020019531},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.34087270498275757},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30963334441185},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18728533387184143},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.1205914318561554},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2002.1009934","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2002.1009934","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat. No.02CH37353)","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":7,"referenced_works":["https://openalex.org/W2129076435","https://openalex.org/W2132984323","https://openalex.org/W2160129392","https://openalex.org/W2163624101","https://openalex.org/W2164802716","https://openalex.org/W2912369344","https://openalex.org/W6758277601"],"related_works":["https://openalex.org/W4236271946","https://openalex.org/W1933375666","https://openalex.org/W2171748043","https://openalex.org/W2105308860","https://openalex.org/W1997358463","https://openalex.org/W2566455368","https://openalex.org/W2545278143","https://openalex.org/W174650468","https://openalex.org/W2143469310","https://openalex.org/W2367731216"],"abstract_inverted_index":{"The":[0],"output":[1],"of":[2,9,16,22,32,43,46,61,73,86,92,119,132,139],"the":[3,7,14,20,29,33,41,44,49,53,56,59,71,74,84,87,90,112,117,124,130],"decorrelator":[4,88],"matched":[5],"to":[6,89,105],"user":[8],"interest":[10],"does":[11,126],"not":[12,127],"have":[13,25],"signal":[15],"interfering":[17,23],"users.":[18,140],"Does":[19],"number":[21,45,60,91,138],"users":[24,47,62],"an":[26],"effect":[27],"on":[28,48,83],"bit-error-probability":[30],"(BEP)":[31],"decorrelator?":[34],"From":[35,70],"previous":[36],"research,":[37],"we":[38,77,94],"cannot":[39],"know":[40],"impact":[42],"BEP.":[50],"We":[51],"give":[52],"relation":[54,85],"between":[55],"BEP":[57],"and":[58,63,136],"its":[64,107],"mathematical":[65,75],"proof":[66],"is":[67,122],"also":[68],"presented.":[69],"process":[72],"proof,":[76],"can":[78],"explain":[79],"some":[80],"phenomena.":[81],"Based":[82],"users,":[93],"propose":[95],"a":[96],"wavelet-based":[97],"reduced-dimension":[98],"approach":[99],"for":[100],"joint":[101],"space-time":[102],"multiuser":[103],"detection":[104],"reduce":[106],"computation":[108],"load.":[109],"Compared":[110],"with":[111],"full":[113],"dimension":[114,118],"decorrelator,":[115],"although":[116],"our":[120,143],"algorithm":[121],"reduced,":[123],"performance":[125],"decrease":[128],"under":[129],"condition":[131],"low":[133],"input":[134],"SNR":[135],"large":[137],"Simulations":[141],"confirm":[142],"results.":[144]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
