{"id":"https://openalex.org/W1977401934","doi":"https://doi.org/10.1109/icc.2010.5501933","title":"Decoupled Search for Vector Perturbation in Multiuser Downlink Systems","display_name":"Decoupled Search for Vector Perturbation in Multiuser Downlink Systems","publication_year":2010,"publication_date":"2010-05-01","ids":{"openalex":"https://openalex.org/W1977401934","doi":"https://doi.org/10.1109/icc.2010.5501933","mag":"1977401934"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2010.5501933","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2010.5501933","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Conference on Communications","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/A5113528862","display_name":"S.-H. Park","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"S.-H. Park","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109744251","display_name":"Hyeseon Han","orcid":"https://orcid.org/0009-0008-5505-6809"},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"H.-S. Han","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052874215","display_name":"I. Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"I. Lee","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"Sch. of Electr. Eng., Korea Univ., Seoul, South Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5113528862"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":0.5773,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.69659038,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"3","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9998999834060669,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9997000098228455,"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/perturbation","display_name":"Perturbation (astronomy)","score":0.6315188407897949},{"id":"https://openalex.org/keywords/linear-subspace","display_name":"Linear subspace","score":0.5631550550460815},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5487700700759888},{"id":"https://openalex.org/keywords/diagonal","display_name":"Diagonal","score":0.5381800532341003},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.48775774240493774},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4499550461769104},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.448140412569046},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.4246841073036194},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4237784445285797},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3961181342601776},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.37726593017578125},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13691329956054688},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11171302199363708}],"concepts":[{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.6315188407897949},{"id":"https://openalex.org/C12362212","wikidata":"https://www.wikidata.org/wiki/Q728435","display_name":"Linear subspace","level":2,"score":0.5631550550460815},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5487700700759888},{"id":"https://openalex.org/C130367717","wikidata":"https://www.wikidata.org/wiki/Q189791","display_name":"Diagonal","level":2,"score":0.5381800532341003},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.48775774240493774},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4499550461769104},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.448140412569046},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.4246841073036194},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4237784445285797},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3961181342601776},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.37726593017578125},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13691329956054688},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11171302199363708},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2010.5501933","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2010.5501933","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE International Conference on Communications","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/W1793664768","https://openalex.org/W2097578209","https://openalex.org/W2098660254","https://openalex.org/W2116631972","https://openalex.org/W2138252828","https://openalex.org/W2145055640","https://openalex.org/W2151795416","https://openalex.org/W2157627714","https://openalex.org/W2158558512","https://openalex.org/W6674625002","https://openalex.org/W6680212569"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W2909457694","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W3193749313"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,38,79,146],"propose":[4,81],"a":[5,30,82,148,177],"new":[6],"vector":[7,101,117,155],"perturbation":[8,17,102,118,156],"scheme":[9],"which":[10],"reduces":[11,103],"the":[12,22,43,53,57,64,76,98,104,115,127,134,141,154,169,173],"complexity":[13],"associated":[14],"with":[15,90,158],"finding":[16,87],"vectors":[18],"by":[19,63,110],"searching":[20],"for":[21,153],"real":[23,65],"and":[24,66],"imaginary":[25,67],"components":[26],"individually.":[27],"To":[28],"minimize":[29],"performance":[31,92,135,174],"loss":[32],"induced":[33],"from":[34],"decoupling":[35],"joint":[36],"search,":[37],"apply":[39],"diagonal":[40],"preceding":[41],"at":[42],"transmitter":[44],"whose":[45],"phase":[46,88,131],"angles":[47,89,132],"are":[48],"iteratively":[49,142],"optimized":[50,143],"according":[51],"to":[52,74,114,138],"criterion":[54,170],"of":[55,86,107,130,140,171],"maximizing":[56],"chordal":[58],"distance":[59],"between":[60],"subspaces":[61],"spanned":[62],"components.":[68],"Since":[69],"our":[70],"main":[71],"objective":[72],"is":[73,123],"reduce":[75],"system":[77],"cost,":[78],"also":[80,124],"simple":[83,128],"non-iterative":[84],"method":[85,152],"slight":[91],"loss.":[93],"Simulation":[94],"results":[95],"show":[96],"that":[97,126,139],"proposed":[99,162],"decoupled":[100],"average":[105],"number":[106],"search":[108],"candidate":[109],"56%":[111],"in":[112,119],"comparison":[113],"original":[116],"4-by-4":[120],"system.":[121],"It":[122],"noted":[125],"choice":[129],"provides":[133],"almost":[136],"identical":[137],"angles.":[144],"Moreover,":[145],"develope":[147],"receive":[149,165],"antenna":[150],"combining":[151],"systems":[157],"multiple-antenna":[159],"receivers.":[160],"The":[161],"algorithm":[163],"designs":[164],"combiners":[166],"based":[167],"on":[168],"optimizing":[172],"metric":[175],"via":[176],"block-coordinate":[178],"ascent":[179],"approach.":[180]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
