{"id":"https://openalex.org/W2105178481","doi":"https://doi.org/10.1109/icassp.2006.1661087","title":"Integration of the Krylov Subspace Method in an Iterative Multi-User Detector for Time-Variant Channels","display_name":"Integration of the Krylov Subspace Method in an Iterative Multi-User Detector for Time-Variant Channels","publication_year":2006,"publication_date":"2006-08-03","ids":{"openalex":"https://openalex.org/W2105178481","doi":"https://doi.org/10.1109/icassp.2006.1661087","mag":"2105178481"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2006.1661087","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1661087","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","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/A5065388289","display_name":"Charlotte Dumard","orcid":null},"institutions":[{"id":"https://openalex.org/I4210122474","display_name":"Forschungszentrum Telekommunikation Wien","ror":"https://ror.org/026nftk33","country_code":"AT","type":"facility","lineage":["https://openalex.org/I4210122474"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"C. Dumard","raw_affiliation_strings":["Forschungszentrum Telekommunikation Wien, Vienna, Austria","Forschungszentrum Telekommunikation Wien, Vienna"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forschungszentrum Telekommunikation Wien, Vienna, Austria","institution_ids":["https://openalex.org/I4210122474"]},{"raw_affiliation_string":"Forschungszentrum Telekommunikation Wien, Vienna","institution_ids":["https://openalex.org/I4210122474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037351216","display_name":"Thomas Zemen","orcid":"https://orcid.org/0000-0002-9392-9155"},"institutions":[{"id":"https://openalex.org/I4210122474","display_name":"Forschungszentrum Telekommunikation Wien","ror":"https://ror.org/026nftk33","country_code":"AT","type":"facility","lineage":["https://openalex.org/I4210122474"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"T. Zemen","raw_affiliation_strings":["Forschungszentrum Telekommunikation Wien, Vienna, Austria","Forschungszentrum Telekommunikation Wien, Vienna"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forschungszentrum Telekommunikation Wien, Vienna, Austria","institution_ids":["https://openalex.org/I4210122474"]},{"raw_affiliation_string":"Forschungszentrum Telekommunikation Wien, Vienna","institution_ids":["https://openalex.org/I4210122474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210122474"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"IV","last_page":"789"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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":0.9994999766349792,"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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/krylov-subspace","display_name":"Krylov subspace","score":0.81416916847229},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7735172510147095},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.5996080636978149},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5731506943702698},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5671318769454956},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.5651206374168396},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.5598167777061462},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5575966238975525},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5509650707244873},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.549599289894104},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5140124559402466},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.4788351356983185},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4416930079460144},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.19445595145225525},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1819557547569275},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13925078511238098}],"concepts":[{"id":"https://openalex.org/C147060835","wikidata":"https://www.wikidata.org/wiki/Q1757151","display_name":"Krylov subspace","level":3,"score":0.81416916847229},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7735172510147095},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.5996080636978149},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5731506943702698},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5671318769454956},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.5651206374168396},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.5598167777061462},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5575966238975525},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5509650707244873},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.549599289894104},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5140124559402466},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.4788351356983185},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4416930079460144},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.19445595145225525},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1819557547569275},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13925078511238098},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2006.1661087","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2006.1661087","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE International Conference on Acoustics Speed and Signal Processing Proceedings","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":11,"referenced_works":["https://openalex.org/W192963517","https://openalex.org/W1506342804","https://openalex.org/W1573372823","https://openalex.org/W1984869715","https://openalex.org/W2096770544","https://openalex.org/W2104572865","https://openalex.org/W2109155033","https://openalex.org/W2149912164","https://openalex.org/W2165220841","https://openalex.org/W2483158942","https://openalex.org/W4300666158"],"related_works":["https://openalex.org/W1933375666","https://openalex.org/W2171748043","https://openalex.org/W4236271946","https://openalex.org/W2105308860","https://openalex.org/W1997358463","https://openalex.org/W2545278143","https://openalex.org/W174650468","https://openalex.org/W2143469310","https://openalex.org/W2542407877","https://openalex.org/W2270625065"],"abstract_inverted_index":{"Iterative":[0],"multi-user":[1,38,102],"detection":[2,39],"and":[3,40],"time-variant":[4,41],"channel":[5,42],"estimation":[6],"in":[7],"a":[8,59,71,80,95,114],"multi-carrier":[9],"(MC)":[10],"code":[11],"division":[12],"multiple":[13],"access":[14],"(CDMA)":[15],"uplink":[16],"requires":[17],"high":[18],"computational":[19],"complexity.":[20],"This":[21],"is":[22],"mainly":[23],"due":[24],"to":[25],"the":[26,53,65,75,98,101,106],"linear":[27],"minimum":[28],"mean":[29],"square":[30],"error":[31],"(LMMSE)":[32],"filters":[33],"that":[34,58],"are":[35,123],"used":[36],"for":[37,48,70,113],"estimation.":[43],"Krylov":[44,76,91],"subspace":[45,92],"methods":[46],"allow":[47],"an":[49],"efficient":[50],"implementation":[51],"of":[52,74,88,97,100],"LMMSE":[54],"filter.":[55],"We":[56,78],"show":[57],"suitable":[60],"chosen":[61],"starting":[62],"value,":[63],"exploiting":[64],"iterative":[66],"receiver":[67,107],"structure,":[68],"allows":[69,94],"further":[72],"speedup":[73],"method.":[77],"achieve":[79],"complexity":[81],"reduction":[82],"by":[83],"more":[84],"than":[85],"one":[86],"order":[87],"magnitude.":[89],"The":[90],"method":[93],"parallelization":[96],"computations":[99],"detector,":[103],"while":[104],"keeping":[105],"performance":[108],"constant.":[109],"Numerical":[110],"simulation":[111],"results":[112],"fully":[115],"loaded":[116],"system":[117],"with":[118],"K":[119],"=":[120],"64":[121],"users":[122],"presented":[124]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}