{"id":"https://openalex.org/W2030345649","doi":"https://doi.org/10.1109/icassp.2013.6638632","title":"Complexity reduction for vector precoding using QoS requirements","display_name":"Complexity reduction for vector precoding using QoS requirements","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2030345649","doi":"https://doi.org/10.1109/icassp.2013.6638632","mag":"2030345649"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2013.6638632","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6638632","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5030334551","display_name":"Christos Masouros","orcid":"https://orcid.org/0000-0002-8259-6615"},"institutions":[{"id":"https://openalex.org/I45129253","display_name":"University College London","ror":"https://ror.org/02jx3x895","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Christos Masouros","raw_affiliation_strings":["Department of Electrical & Electronic Engineering, University College London, London, UK","Dept. of Electr. & Electron. Eng, Univ. Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Department of Electrical & Electronic Engineering, University College London, London, UK","institution_ids":["https://openalex.org/I45129253"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng, Univ. Coll. London, London, UK","institution_ids":["https://openalex.org/I45129253"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111928124","display_name":"Tharm Ratnarajah","orcid":null},"institutions":[{"id":"https://openalex.org/I98677209","display_name":"University of Edinburgh","ror":"https://ror.org/01nrxwf90","country_code":"GB","type":"education","lineage":["https://openalex.org/I98677209"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Tharm Ratnarajah","raw_affiliation_strings":["School of Engineering, University of Edinburgh, Edinburgh, UK","School of Engineering, University of Edinburgh, Edinburgh, UK;"],"affiliations":[{"raw_affiliation_string":"School of Engineering, University of Edinburgh, Edinburgh, UK","institution_ids":["https://openalex.org/I98677209"]},{"raw_affiliation_string":"School of Engineering, University of Edinburgh, Edinburgh, UK;","institution_ids":["https://openalex.org/I98677209"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071345719","display_name":"Mathini Sellathurai","orcid":"https://orcid.org/0000-0002-8738-8583"},"institutions":[{"id":"https://openalex.org/I32062511","display_name":"Heriot-Watt University","ror":"https://ror.org/04mghma93","country_code":"GB","type":"education","lineage":["https://openalex.org/I32062511"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mathini Sellathurai","raw_affiliation_strings":["School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, UK","Sch. of Eng. & Phys. Sci., Herriot Watt Univ., Edinburgh, UK"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, UK","institution_ids":["https://openalex.org/I32062511"]},{"raw_affiliation_string":"Sch. of Eng. & Phys. Sci., Herriot Watt Univ., Edinburgh, UK","institution_ids":["https://openalex.org/I32062511"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5030334551"],"corresponding_institution_ids":["https://openalex.org/I45129253"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09543942,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"53","issue":null,"first_page":"5094","last_page":"5098"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9993000030517578,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9993000030517578,"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/precoding","display_name":"Precoding","score":0.8462566137313843},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.7000688314437866},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6821435689926147},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6433030366897583},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6306178569793701},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5483216047286987},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5401481986045837},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5021181106567383},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5006542205810547},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4741334915161133},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3366847634315491},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.23648953437805176},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13575103878974915},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.10302546620368958}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8462566137313843},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.7000688314437866},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6821435689926147},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6433030366897583},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6306178569793701},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5483216047286987},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5401481986045837},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5021181106567383},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5006542205810547},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4741334915161133},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3366847634315491},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.23648953437805176},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13575103878974915},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.10302546620368958},{"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}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2013.6638632","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2013.6638632","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:1417868","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/1417868/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400024","display_name":"UCL Discovery (University College London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I45129253","host_organization_name":"University College London","host_organization_lineage":["https://openalex.org/I45129253"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"     In:   (Proceedings) IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP). (pp. pp. 5094-5098).  IEEE (2013)     ","raw_type":"Proceedings paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1976109068","https://openalex.org/W1994481073","https://openalex.org/W2044108662","https://openalex.org/W2097578209","https://openalex.org/W2099062866","https://openalex.org/W2108635721","https://openalex.org/W2117308439","https://openalex.org/W2140940105","https://openalex.org/W2142800075","https://openalex.org/W2143664144","https://openalex.org/W2152135092","https://openalex.org/W2156787051","https://openalex.org/W2164536085"],"related_works":["https://openalex.org/W4281688526","https://openalex.org/W2152088989","https://openalex.org/W2756419127","https://openalex.org/W2401571617","https://openalex.org/W2548963335","https://openalex.org/W2905893439","https://openalex.org/W3135374966","https://openalex.org/W4366493479","https://openalex.org/W3141240674","https://openalex.org/W4328011863"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,22,43,109],"low-complexity":[3],"vector":[4],"precoding":[5],"(VP)":[6],"scheme":[7],"for":[8,37],"the":[9,28,35,38,55,62,69,74,77,92,95,103],"downlink":[10],"of":[11,20,64,68,76,91,94],"multi-user":[12],"multiple":[13,15],"input":[14],"output":[16],"(MU-MIMO)":[17],"systems.":[18],"Instead":[19],"performing":[21],"full":[23],"sphere":[24],"search":[25,36,97],"to":[26,31,81,114],"maximize":[27],"receive":[29],"signal":[30],"noise":[32],"ratio":[33],"(SNR),":[34],"perturbation":[39],"vectors":[40],"finishes":[41],"once":[42],"threshold":[44,58],"SNR":[45],"value":[46],"is":[47,59],"reached,":[48],"thus":[49],"saving":[50],"significant":[51],"computational":[52,87],"burden":[53],"at":[54],"transmitter.":[56],"This":[57],"determined":[60],"by":[61],"quality":[63],"service":[65],"(QoS)":[66],"requirements":[67],"mobile":[70],"users.":[71],"To":[72],"evaluate":[73],"advantages":[75],"proposed":[78,104],"technique":[79],"compared":[80,113],"VP,":[82],"we":[83],"analytically":[84],"calculate":[85],"its":[86],"complexity":[88,112],"in":[89],"terms":[90],"volume":[93],"associated":[96],"space.":[98],"The":[99],"results":[100],"show":[101],"that":[102],"thresholded":[105],"VP":[106],"(TVP)":[107],"offers":[108],"significantly":[110],"reduced":[111],"VP.":[115]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}