{"id":"https://openalex.org/W1681459270","doi":"https://doi.org/10.1109/icassp.2003.1202767","title":"Multi-user MIMO antenna systems using semi-orthogonal space division multiplexing and single-user QR-triangular detection","display_name":"Multi-user MIMO antenna systems using semi-orthogonal space division multiplexing and single-user QR-triangular detection","publication_year":2004,"publication_date":"2004-01-24","ids":{"openalex":"https://openalex.org/W1681459270","doi":"https://doi.org/10.1109/icassp.2003.1202767","mag":"1681459270"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2003.1202767","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1202767","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/10722/46364","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Zhengang Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zhengang Pan","raw_affiliation_strings":["Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kai-Kit Wong","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Kai-Kit Wong","raw_affiliation_strings":["Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"Tung-Sang Ng","orcid":null},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tung-Sang Ng","raw_affiliation_strings":["Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical & Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"Dept. of Electr. & Electron. Eng., Hong Kong Univ., China#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.11188811,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"IV","last_page":"812"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.5497999787330627,"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":0.5497999787330627,"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":0.3190999925136566,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.03480000048875809,"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/mimo","display_name":"MIMO","score":0.6686658263206482},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6424574255943298},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6101012229919434},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5525453686714172},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.5224941372871399},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5161069631576538},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.4789039194583893},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.416191965341568},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41258424520492554},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3779825270175934},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2377338707447052},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23208317160606384},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21101295948028564},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.12588173151016235}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6686658263206482},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6424574255943298},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6101012229919434},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5525453686714172},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.5224941372871399},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5161069631576538},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.4789039194583893},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.416191965341568},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41258424520492554},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3779825270175934},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2377338707447052},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23208317160606384},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21101295948028564},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.12588173151016235}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/icassp.2003.1202767","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1202767","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","raw_type":"proceedings-article"},{"id":"pmh:oai:hub.hku.hk:10722/46364","is_oa":true,"landing_page_url":"http://library.hku.hk:4550/resserv?sid=HKU:IR&amp;issn=1520-6149&amp;volume=4&amp;spage=812&amp;epage=815&amp;date=2003&amp;atitle=Multi-user+MIMO+antenna+systems+using+semi-orthogonal+space+division+multiplexing+and+single-user+QR-triangular+detection","pdf_url":"http://hdl.handle.net/10722/46364","source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference_Paper"},{"id":"pmh:oai:eprints.ucl.ac.uk.OAI2:55763","is_oa":false,"landing_page_url":"http://discovery.ucl.ac.uk/55763/","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:    (pp. pp. 812-815).  IEEE: Piscataway, US. (2003)     ","raw_type":"Proceedings paper"}],"best_oa_location":{"id":"pmh:oai:hub.hku.hk:10722/46364","is_oa":true,"landing_page_url":"http://library.hku.hk:4550/resserv?sid=HKU:IR&amp;issn=1520-6149&amp;volume=4&amp;spage=812&amp;epage=815&amp;date=2003&amp;atitle=Multi-user+MIMO+antenna+systems+using+semi-orthogonal+space+division+multiplexing+and+single-user+QR-triangular+detection","pdf_url":"http://hdl.handle.net/10722/46364","source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference_Paper"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1681459270.pdf","grobid_xml":"https://content.openalex.org/works/W1681459270.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W1645650665","https://openalex.org/W2119771717","https://openalex.org/W2135892498","https://openalex.org/W6675300295","https://openalex.org/W6676647109","https://openalex.org/W6679406075","https://openalex.org/W6682883097","https://openalex.org/W6729208696"],"related_works":["https://openalex.org/W1951109692","https://openalex.org/W2086801507","https://openalex.org/W2613022714","https://openalex.org/W2613308123","https://openalex.org/W1577747489","https://openalex.org/W2090676174","https://openalex.org/W2056476271","https://openalex.org/W2106609879","https://openalex.org/W1505285716","https://openalex.org/W2281255385","https://openalex.org/W2234386761","https://openalex.org/W2110404830","https://openalex.org/W2126314628","https://openalex.org/W3008578915","https://openalex.org/W2171159059","https://openalex.org/W3082865703","https://openalex.org/W2076291424","https://openalex.org/W2331272253","https://openalex.org/W2123904003","https://openalex.org/W1979189856"],"abstract_inverted_index":{"Orthogonal":[0],"space":[1],"division":[2],"multiplexing":[3],"(OSDM)":[4],"can":[5,143,158],"be":[6,100,144,159],"achieved":[7],"by":[8],"utilizing":[9],"multiple":[10,117,127],"antennas":[11,71],"at":[12],"the":[13,35,42,67,78,83,87,93,111,114,126,153],"base":[14],"station":[15],"(BS)":[16],"and":[17],"all":[18],"mobile":[19],"stations":[20],"(MS)":[21],"(or":[22],"multi-user":[23],"MIMO)":[24],"jointly.":[25],"Recently,":[26],"two":[27],"iterative":[28],"methods":[29],"have":[30],"been":[31],"proposed":[32],"to":[33,99,146],"obtain":[34],"antenna":[36,154],"weighting":[37,155],"for":[38,96,107,123,156],"realizing":[39],"OSDM":[40,190],"in":[41,161],"downlink":[43],"(Kai-Kit":[44],"Wong":[45],"et":[46,54],"al.,":[47,55],"IEEE":[48,56],"Trans.":[49,57],"Wireless":[50,58],"Commun.;":[51],"Zhengang":[52],"Pan":[53],"Commun.).":[59],"However,":[60],"both":[61],"suffer":[62],"from":[63],"high":[64],"complexity":[65,80,108,180],"if":[66],"number":[68,88],"of":[69,86,89,116,184],"BS":[70],"or":[72],"users":[73,118],"involved":[74],"is":[75],"large,":[76],"as":[77],"computational":[79,179],"grows":[81],"with":[82,140,188],"fourth":[84],"power":[85],"users.":[90],"By":[91],"allowing":[92],"signal":[94,150],"streams":[95,129],"a":[97,104,136,162],"user":[98],"non-orthogonal,":[101],"we":[102],"propose":[103],"semi-OSDM":[105,112,157,169],"system":[106],"reduction.":[109],"In":[110],"system,":[113],"signals":[115],"are":[119,130],"still":[120],"orthogonal,":[121],"but":[122,174],"each":[124],"user,":[125],"signaling":[128],"made":[131],"triangular":[132],"instead":[133],"so":[134],"that":[135,168],"simple":[137],"backward":[138],"substitution":[139],"symbol":[141],"cancellation":[142],"performed":[145],"maintain":[147],"an":[148,182],"accurate":[149],"detection.":[151],"Remarkably,":[152],"expressed":[160],"closed":[163],"form.":[164],"Simulation":[165],"results":[166],"show":[167],"has":[170],"mild":[171],"performance":[172],"degradation,":[173],"it":[175],"requires":[176],"much":[177],"lower":[178],"(by":[181],"order":[183],"magnitude)":[185],"when":[186],"compared":[187],"existing":[189],"systems.":[191]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
