{"id":"https://openalex.org/W2131230108","doi":"https://doi.org/10.1109/glocom.2004.1378461","title":"A robust channel estimator for DS-CDMA systems under multipath fading channels","display_name":"A robust channel estimator for DS-CDMA systems under multipath fading channels","publication_year":2005,"publication_date":"2005-04-05","ids":{"openalex":"https://openalex.org/W2131230108","doi":"https://doi.org/10.1109/glocom.2004.1378461","mag":"2131230108"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2004.1378461","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2004.1378461","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.","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/A5079662497","display_name":"Chengtao Cao","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chengtao Cao","raw_affiliation_strings":["School of Electrical and Electronic Engineering, BLK S2 Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, BLK S2 Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100365448","display_name":"Lihua Xie","orcid":"https://orcid.org/0000-0002-7137-4136"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Lihua Xie","raw_affiliation_strings":["School of Electrical and Electronic Engineering, BLK S2 Nanyang Technological University, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, BLK S2 Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109166640","display_name":"Shoulie Xie","orcid":null},"institutions":[{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]},{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Shoulie Xie","raw_affiliation_strings":["Agency for Science, Technology and Research, Institute for Infocomm Research, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agency for Science, Technology and Research, Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000","https://openalex.org/I115228651"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114377900","display_name":"Huanshui Zhang","orcid":"https://orcid.org/0000-0002-8611-7327"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]},{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]},{"id":"https://openalex.org/I3131625388","display_name":"University Town of Shenzhen","ror":"https://ror.org/05f5j6225","country_code":"CN","type":"education","lineage":["https://openalex.org/I3131625388"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huanshui Zhang","raw_affiliation_strings":["Shenzhen Graduate School of Harbin Institute of Technology, HIT Campus Shenzhen University Town, Shenzhen, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shenzhen Graduate School of Harbin Institute of Technology, HIT Campus Shenzhen University Town, Shenzhen, P. R. China","institution_ids":["https://openalex.org/I3131625388","https://openalex.org/I204983213","https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2739,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.67867021,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"2525","last_page":"2529"},"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":0.9997000098228455,"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":0.9958000183105469,"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/fading","display_name":"Fading","score":0.8634464740753174},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.650804340839386},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6194429397583008},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.587635338306427},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5700289011001587},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.48961764574050903},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4728660583496094},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.45428988337516785},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4511137306690216},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.43145132064819336},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.29511961340904236},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.20127686858177185},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1865701973438263},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.0988706648349762}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.8634464740753174},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.650804340839386},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6194429397583008},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.587635338306427},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5700289011001587},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.48961764574050903},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4728660583496094},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.45428988337516785},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4511137306690216},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43145132064819336},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.29511961340904236},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.20127686858177185},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1865701973438263},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0988706648349762},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2004.1378461","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2004.1378461","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Global Telecommunications Conference, 2004. GLOBECOM '04.","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":18,"referenced_works":["https://openalex.org/W1506809288","https://openalex.org/W1596939795","https://openalex.org/W1982088834","https://openalex.org/W2000279052","https://openalex.org/W2102442758","https://openalex.org/W2108578477","https://openalex.org/W2116187470","https://openalex.org/W2118250306","https://openalex.org/W2119217138","https://openalex.org/W2122407780","https://openalex.org/W2130917709","https://openalex.org/W2131728382","https://openalex.org/W2132233800","https://openalex.org/W2139414081","https://openalex.org/W2140050892","https://openalex.org/W2141840384","https://openalex.org/W2149897854","https://openalex.org/W2162265141"],"related_works":["https://openalex.org/W2376969857","https://openalex.org/W207732638","https://openalex.org/W1931943713","https://openalex.org/W2801592279","https://openalex.org/W4252788403","https://openalex.org/W2171869298","https://openalex.org/W2034040913","https://openalex.org/W2257001073","https://openalex.org/W1992602584","https://openalex.org/W2549306799"],"abstract_inverted_index":{"The":[0,16,50,87],"paper":[1],"addresses":[2],"the":[3,27,34,53,62,65,69,72,83,92],"problem":[4],"of":[5,52,64,85],"channel":[6,54],"estimation":[7,97],"for":[8,101],"DS-CDMA":[9],"systems":[10],"undergoing":[11],"time-varying":[12],"multipath":[13,17],"fading":[14,18,103],"channels.":[15,104],"channels":[19],"are":[20],"modeled":[21],"as":[22],"AR":[23],"models.":[24],"Based":[25],"on":[26],"minimum":[28],"mean":[29],"square":[30],"error":[31],"(MMSE)":[32],"criterion,":[33],"linear":[35],"optimal":[36],"estimator":[37,94],"is":[38,56,82],"obtained":[39],"by":[40],"a":[41,45],"spectral":[42],"factorization":[43],"and":[44,99],"Diophantine":[46],"polynomial":[47],"matrix":[48],"equation.":[49],"uncertainty":[51],"model":[55],"taken":[57],"into":[58],"consideration":[59],"to":[60],"improve":[61],"robustness":[63,100],"estimator.":[66],"Compared":[67],"with":[68],"Kalman":[70],"estimator,":[71],"proposed":[73,93],"algorithm":[74],"has":[75],"O(K/sup":[76],"2/)":[77],"computational":[78],"complexity,":[79],"where":[80],"K":[81],"number":[84],"users.":[86],"simulation":[88],"results":[89],"show":[90],"that":[91],"provides":[95],"good":[96],"performance":[98],"fast":[102]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
