{"id":"https://openalex.org/W2119701238","doi":"https://doi.org/10.1109/icc.2009.5199075","title":"Improved Vector Perturbation with Modulo Loss Reduction for Multiuser Downlink Systems","display_name":"Improved Vector Perturbation with Modulo Loss Reduction for Multiuser Downlink Systems","publication_year":2009,"publication_date":"2009-06-01","ids":{"openalex":"https://openalex.org/W2119701238","doi":"https://doi.org/10.1109/icc.2009.5199075","mag":"2119701238"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2009.5199075","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2009.5199075","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 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/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":true,"raw_author_name":"H.-S. Han","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","School of Electrical Eng., Korea University, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","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":false,"raw_author_name":"S.-H. Park","raw_affiliation_strings":["School of Electrical Engineering, Korea University, Seoul, South Korea","School of Electrical Eng., Korea University, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, 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","School of Electrical Eng., Korea University, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]},{"raw_affiliation_string":"School of Electrical Eng., Korea University, Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I197347611"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5109744251"],"corresponding_institution_ids":["https://openalex.org/I197347611"],"apc_list":null,"apc_paid":null,"fwci":1.5241,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.84152704,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"53","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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/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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8088096380233765},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.7484361529350281},{"id":"https://openalex.org/keywords/modulo","display_name":"Modulo","score":0.7252782583236694},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6537361145019531},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.618647038936615},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6174101233482361},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.5526205897331238},{"id":"https://openalex.org/keywords/perturbation","display_name":"Perturbation (astronomy)","score":0.5364779829978943},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.49386030435562134},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4413614273071289},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41407814621925354},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4024292826652527},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.3288530707359314},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.2673224210739136},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21897244453430176},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19580787420272827},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.18378910422325134},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.08258512616157532},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.0794859230518341}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8088096380233765},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.7484361529350281},{"id":"https://openalex.org/C54732982","wikidata":"https://www.wikidata.org/wiki/Q1415345","display_name":"Modulo","level":2,"score":0.7252782583236694},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6537361145019531},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.618647038936615},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6174101233482361},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.5526205897331238},{"id":"https://openalex.org/C177918212","wikidata":"https://www.wikidata.org/wiki/Q803623","display_name":"Perturbation (astronomy)","level":2,"score":0.5364779829978943},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.49386030435562134},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4413614273071289},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41407814621925354},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4024292826652527},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.3288530707359314},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.2673224210739136},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21897244453430176},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19580787420272827},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.18378910422325134},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.08258512616157532},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0794859230518341},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icc.2009.5199075","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2009.5199075","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.490.4030","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.490.4030","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://wireless.korea.ac.kr/main/publications/documents/09ICC_hs.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":14,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W2034940072","https://openalex.org/W2086918965","https://openalex.org/W2097578209","https://openalex.org/W2101874853","https://openalex.org/W2116631972","https://openalex.org/W2125609692","https://openalex.org/W2136093293","https://openalex.org/W2145403270","https://openalex.org/W2151795416","https://openalex.org/W2158558512","https://openalex.org/W2161410889","https://openalex.org/W2164536085","https://openalex.org/W2169012341"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W4366493479","https://openalex.org/W2905893439","https://openalex.org/W2548963335","https://openalex.org/W3135374966","https://openalex.org/W2554517556","https://openalex.org/W3141240674","https://openalex.org/W2553710680"],"abstract_inverted_index":{"In":[0,64],"this":[1],"paper,":[2],"we":[3,87],"present":[4],"an":[5],"improved":[6],"precoding":[7],"technique":[8],"which":[9],"reduces":[10,152],"a":[11,25,85,117,126],"modulo":[12,40],"loss":[13,41],"in":[14,60,161],"vector":[15,79],"perturbation":[16,58,78],"(VP)":[17],"with":[18,146],"low":[19,32],"complexity":[20,91],"for":[21,136],"the":[22,35,39,44,51,54,61,66,70,74,77,94,97,105,113,122,137,149,153,164],"downlink":[23],"of":[24,47,76,131,139,156],"multiuser":[26],"multiple-input":[27],"multiple-output":[28],"(MIMO)":[29],"system.":[30],"At":[31],"SNR":[33],"regime,":[34],"VP":[36,124],"suffers":[37],"from":[38],"due":[42],"to":[43,104,163],"increased":[45],"number":[46,155],"nearest":[48],"neighbors.":[49],"For":[50],"original":[52,165],"VP,":[53],"sphere":[55,107],"encoder":[56],"searches":[57],"vectors":[59],"infinite":[62],"lattice.":[63],"contrast,":[65],"proposed":[67,114,150],"scheme":[68,115,151],"restricts":[69],"search":[71,158],"range":[72],"utilizing":[73],"distribution":[75],"depending":[80],"on":[81],"transmitted":[82],"data.":[83],"As":[84],"result,":[86],"can":[88],"achieve":[89],"significant":[90],"savings":[92],"at":[93,125],"transmitter":[95],"and":[96,143],"receiver":[98],"while":[99],"providing":[100],"better":[101],"performance":[102],"compared":[103],"conventional":[106,123],"encoder.":[108],"Simulation":[109],"results":[110],"show":[111],"that":[112],"provides":[116],"0.2":[118],"dB":[119],"gain":[120],"over":[121],"bit":[127],"error":[128],"rate":[129],"(BER)":[130],"10":[132],"<sup":[133],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[134],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">-3</sup>":[135],"case":[138],"four":[140,144],"transmit":[141],"antennas":[142],"users":[145],"4QAM.":[147],"Also,":[148],"maximum":[154],"candidate":[157],"by":[159],"95%":[160],"comparison":[162],"VP.":[166]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
