{"id":"https://openalex.org/W1598430573","doi":"https://doi.org/10.1109/icassp.2003.1202561","title":"Performance of a low-complexity downlink channel estimator for long-code CDMA systems","display_name":"Performance of a low-complexity downlink channel estimator for long-code CDMA systems","publication_year":2004,"publication_date":"2004-01-24","ids":{"openalex":"https://openalex.org/W1598430573","doi":"https://doi.org/10.1109/icassp.2003.1202561","mag":"1598430573"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2003.1202561","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1202561","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","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/A5109127096","display_name":"Yan Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I103635307","display_name":"University of California, Riverside","ror":"https://ror.org/03nawhv43","country_code":"US","type":"education","lineage":["https://openalex.org/I103635307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yan Deng","raw_affiliation_strings":["Department of Electrical Engineering, University of California, Riverside, CA, USA","Dept. of Electr. Eng., California Univ., Riverside, CA, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of California, Riverside, CA, USA","institution_ids":["https://openalex.org/I103635307"]},{"raw_affiliation_string":"Dept. of Electr. Eng., California Univ., Riverside, CA, USA#TAB#","institution_ids":["https://openalex.org/I103635307"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111447173","display_name":"Zhengyuan Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I103635307","display_name":"University of California, Riverside","ror":"https://ror.org/03nawhv43","country_code":"US","type":"education","lineage":["https://openalex.org/I103635307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhengyuan Xu","raw_affiliation_strings":["Department of Electrical Engineering, University of California, Riverside, CA, USA","Dept. of Electr. Eng., California Univ., Riverside, CA, USA#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, University of California, Riverside, CA, USA","institution_ids":["https://openalex.org/I103635307"]},{"raw_affiliation_string":"Dept. of Electr. Eng., California Univ., Riverside, CA, USA#TAB#","institution_ids":["https://openalex.org/I103635307"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I103635307"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09959413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"IV","last_page":"117"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9968000054359436,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7206014394760132},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.6891587376594543},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.6754828691482544},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6126847267150879},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5971073508262634},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5616954565048218},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5298585295677185},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.5163056254386902},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.46605974435806274},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3838021159172058},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.32930874824523926},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20868685841560364}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7206014394760132},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.6891587376594543},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.6754828691482544},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6126847267150879},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5971073508262634},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5616954565048218},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5298585295677185},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.5163056254386902},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.46605974435806274},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3838021159172058},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32930874824523926},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20868685841560364},{"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":2,"locations":[{"id":"doi:10.1109/icassp.2003.1202561","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1202561","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.330.3651","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.330.3651","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ee.ucr.edu/~dxu/mypaper/conference/icassp03_2.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1574867929","https://openalex.org/W1944795098","https://openalex.org/W1953413036","https://openalex.org/W2022958807","https://openalex.org/W2041756079","https://openalex.org/W2046894591","https://openalex.org/W2061310904","https://openalex.org/W2099481490","https://openalex.org/W2104462318","https://openalex.org/W2105902324","https://openalex.org/W2112982741","https://openalex.org/W2115151494","https://openalex.org/W2116927749","https://openalex.org/W2117272793","https://openalex.org/W2131746221","https://openalex.org/W2132233800","https://openalex.org/W2136023375","https://openalex.org/W2152968972","https://openalex.org/W2157051329","https://openalex.org/W2157937389","https://openalex.org/W2163624101","https://openalex.org/W2164924500","https://openalex.org/W2912369344","https://openalex.org/W4300440207","https://openalex.org/W6640610679","https://openalex.org/W6661942135","https://openalex.org/W6682413854","https://openalex.org/W6684128681"],"related_works":["https://openalex.org/W2542407877","https://openalex.org/W2358604001","https://openalex.org/W2585209928","https://openalex.org/W3125536267","https://openalex.org/W2103590590","https://openalex.org/W2157655641","https://openalex.org/W2274645452","https://openalex.org/W2026213324","https://openalex.org/W1492853130","https://openalex.org/W2270625065"],"abstract_inverted_index":{"Recently,":[0],"a":[1,14],"blind":[2],"downlink":[3],"channel":[4,76],"estimator":[5],"was":[6],"proposed":[7],"for":[8],"long-code":[9],"CDMA":[10],"systems":[11],"based":[12],"on":[13,55],"covariance":[15,43,70],"matching":[16],"idea.":[17],"By":[18],"modeling":[19],"long":[20],"spreading":[21],"codes":[22,25],"as":[23],"random":[24],"and":[26,71],"pre-computing":[27],"some":[28],"code-dependent":[29],"quantities,":[30],"the":[31,56,69,74],"algorithm":[32],"shows":[33],"extremely":[34],"low":[35],"complexity.":[36],"Due":[37],"to":[38],"inaccuracy":[39],"of":[40,47,68,73],"estimated":[41,75],"data":[42,49],"from":[44],"finite":[45],"number":[46],"received":[48],"samples,":[50],"its":[51],"asymptotic":[52],"performance":[53],"depends":[54],"sample":[57],"size.":[58],"In":[59],"this":[60],"paper,":[61],"it":[62],"is":[63],"further":[64],"analyzed":[65],"in":[66],"terms":[67],"mean-square-error":[72],"vector.":[77]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
