{"id":"https://openalex.org/W2067254065","doi":"https://doi.org/10.1109/glocomw.2011.6162512","title":"Oblique projection based linear precoding for downlink multi-user multiple-input multiple-output communications","display_name":"Oblique projection based linear precoding for downlink multi-user multiple-input multiple-output communications","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2067254065","doi":"https://doi.org/10.1109/glocomw.2011.6162512","mag":"2067254065"},"language":"en","primary_location":{"id":"doi:10.1109/glocomw.2011.6162512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2011.6162512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE GLOBECOM Workshops (GC Wkshps)","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/A5113893166","display_name":"Peng Shang","orcid":"https://orcid.org/0000-0002-0631-9579"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Peng Shang","raw_affiliation_strings":["Bell Laboratories, Alcatel-Lucent, Shanghai, China","Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China"],"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029265765","display_name":"Jinsong Wu","orcid":"https://orcid.org/0000-0003-4720-5946"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jinsong Wu","raw_affiliation_strings":["Bell Laboratories, Alcatel-Lucent, Shanghai, China","Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China"],"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101577679","display_name":"Xudong Zhu","orcid":"https://orcid.org/0000-0003-4792-9565"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Xudong Zhu","raw_affiliation_strings":["Bell Laboratories, Alcatel-Lucent, Shanghai, China","Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China"],"affiliations":[{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai, China","institution_ids":[]},{"raw_affiliation_string":"Bell Laboratories, Alcatel-Lucent, Shanghai 201206, P.R. China","institution_ids":["https://openalex.org/I72090969"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5113893166"],"corresponding_institution_ids":["https://openalex.org/I72090969"],"apc_list":null,"apc_paid":null,"fwci":0.265,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.61485661,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"6","issue":null,"first_page":"560","last_page":"564"},"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9994000196456909,"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":0.9990000128746033,"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":0.9507049322128296},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8558627963066101},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.6375690698623657},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6016566157341003},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5504195094108582},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5441499948501587},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5164113640785217},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.4515657424926758},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.43621882796287537},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3404121696949005},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3397328853607178},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3246825337409973},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.26801949739456177},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.17396992444992065},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17297816276550293},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1317794919013977},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10915473103523254},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07917708158493042}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9507049322128296},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8558627963066101},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.6375690698623657},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6016566157341003},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5504195094108582},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5441499948501587},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5164113640785217},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.4515657424926758},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.43621882796287537},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3404121696949005},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3397328853607178},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3246825337409973},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.26801949739456177},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.17396992444992065},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17297816276550293},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1317794919013977},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10915473103523254},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07917708158493042},{"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/glocomw.2011.6162512","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2011.6162512","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE GLOBECOM Workshops (GC Wkshps)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Clean water and sanitation","score":0.6299999952316284,"id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1985020934","https://openalex.org/W1987387961","https://openalex.org/W2030546921","https://openalex.org/W2067965271","https://openalex.org/W2098126478","https://openalex.org/W2101971242","https://openalex.org/W2103665886","https://openalex.org/W2104306547","https://openalex.org/W2150630209","https://openalex.org/W2160432600","https://openalex.org/W2161347185","https://openalex.org/W2165943096","https://openalex.org/W3142519342","https://openalex.org/W3145128584","https://openalex.org/W4238402617","https://openalex.org/W6647142939"],"related_works":["https://openalex.org/W2111825998","https://openalex.org/W2326544815","https://openalex.org/W1973158664","https://openalex.org/W1731022149","https://openalex.org/W1996933839","https://openalex.org/W2000226056","https://openalex.org/W3141240674","https://openalex.org/W2244765103","https://openalex.org/W4385649691","https://openalex.org/W1624127656"],"abstract_inverted_index":{"In":[0,19,95],"this":[1],"paper,":[2],"we":[3],"investigate":[4],"linear":[5,50],"precoding":[6,37,51,107],"and":[7,26],"scheduling":[8,82],"algorithms":[9,83,103],"for":[10],"downlink":[11],"multi-user":[12,24],"multiple":[13,15],"input":[14],"output":[16],"(MU-MIMO)":[17],"systems.":[18],"order":[20],"to":[21],"eliminate":[22],"the":[23,28,72,80,87,90,100,106],"interference":[25],"improve":[27],"bit":[29],"error":[30],"rate":[31],"(BER)":[32],"system":[33,61,73,98],"performance,":[34],"block":[35],"diagonalization":[36],"could":[38],"be":[39],"combined":[40],"with":[41,86],"geometric":[42],"mean":[43],"decomposition":[44],"(BD-GMD)":[45],"scheme.":[46],"We":[47],"propose":[48],"GMD":[49],"approaches":[52],"utilizing":[53],"oblique":[54],"projection":[55],"(OP-GMD).":[56],"This":[57],"paper":[58],"also":[59],"derives":[60],"capacity":[62],"in":[63],"closed-form":[64],"through":[65],"applying":[66],"water-filling":[67],"power":[68],"allocation":[69],"algorithm":[70],"into":[71],"model.":[74],"Our":[75],"simulation":[76],"results":[77],"show":[78],"that":[79],"proposed":[81,101],"perform":[84],"better":[85],"increase":[88],"of":[89,92,97],"number":[91],"transmit":[93],"antennas.":[94],"terms":[96],"capacity,":[99],"OP-GMD":[102],"significantly":[104],"outperform":[105],"scheme":[108],"based":[109],"on":[110],"BD-GMD":[111],"at":[112],"low":[113],"SNRs.":[114]},"counts_by_year":[{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
