{"id":"https://openalex.org/W2128772341","doi":"https://doi.org/10.1109/wsa.2008.4475537","title":"Field trial results on multi-user MIMO downlink OFDMA in typical outdoor scenario using proportional fair scheduling","display_name":"Field trial results on multi-user MIMO downlink OFDMA in typical outdoor scenario using proportional fair scheduling","publication_year":2008,"publication_date":"2008-02-01","ids":{"openalex":"https://openalex.org/W2128772341","doi":"https://doi.org/10.1109/wsa.2008.4475537","mag":"2128772341"},"language":"en","primary_location":{"id":"doi:10.1109/wsa.2008.4475537","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2008.4475537","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 International ITG Workshop on Smart Antennas","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/A5002773461","display_name":"Venkatkumar Venkatasubramanian","orcid":null},"institutions":[{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]},{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"V. Venkatkumar","raw_affiliation_strings":["Nokia Siemens Networks GmbH and Company KG, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Nokia Siemens Networks GmbH and Company KG, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109187976","display_name":"Thomas Haustein","orcid":null},"institutions":[{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]},{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"T. Haustein","raw_affiliation_strings":["Nokia Siemens Networks GmbH and Company KG, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Nokia Siemens Networks GmbH and Company KG, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010494503","display_name":"Hanguang Wu","orcid":"https://orcid.org/0000-0003-3365-2411"},"institutions":[{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]},{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"H. Wu","raw_affiliation_strings":["Nokia Siemens Networks GmbH and Company KG, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Nokia Siemens Networks GmbH and Company KG, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020422377","display_name":"Egon Schulz","orcid":"https://orcid.org/0000-0002-2208-8336"},"institutions":[{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]},{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"E. Schulz","raw_affiliation_strings":["Nokia Siemens Networks GmbH and Company KG, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Nokia Siemens Networks GmbH and Company KG, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113553662","display_name":"\u03a4. Wirth","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"T. Wirth","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065427658","display_name":"A. Forck","orcid":null},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"A. Forck","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036062179","display_name":"Sander Wahls","orcid":"https://orcid.org/0000-0001-5159-0918"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]},{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"S. Wahls","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany","Heinrich-Hertz-Chair for Mobile Communications, Technische Universitat Berlin, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]},{"raw_affiliation_string":"Heinrich-Hertz-Chair for Mobile Communications, Technische Universitat Berlin, Berlin, Germany","institution_ids":["https://openalex.org/I4577782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054929239","display_name":"Volker Jungnickel","orcid":"https://orcid.org/0000-0002-3135-5213"},"institutions":[{"id":"https://openalex.org/I2800274787","display_name":"Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute","ror":"https://ror.org/02tbr6331","country_code":"DE","type":"facility","lineage":["https://openalex.org/I2800274787","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"V. Jungnickel","raw_affiliation_strings":["Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut, Berlin, Germany","institution_ids":["https://openalex.org/I2800274787"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5002773461"],"corresponding_institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"],"apc_list":null,"apc_paid":null,"fwci":1.695,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.8521814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"55","last_page":"59"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network 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/T11409","display_name":"Advanced Wireless Network 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/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":0.9991999864578247,"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":0.7842472195625305},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7208402156829834},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6597539782524109},{"id":"https://openalex.org/keywords/proportionally-fair","display_name":"Proportionally fair","score":0.6372898817062378},{"id":"https://openalex.org/keywords/time-division-multiple-access","display_name":"Time division multiple access","score":0.6083357334136963},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5895407199859619},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.5018997192382812},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.44894102215766907},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3688698410987854},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3610302805900574},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2869805693626404},{"id":"https://openalex.org/keywords/round-robin-scheduling","display_name":"Round-robin scheduling","score":0.26038670539855957},{"id":"https://openalex.org/keywords/fair-share-scheduling","display_name":"Fair-share scheduling","score":0.18463867902755737},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1368575096130371}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7842472195625305},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7208402156829834},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6597539782524109},{"id":"https://openalex.org/C86127852","wikidata":"https://www.wikidata.org/wiki/Q7250364","display_name":"Proportionally fair","level":5,"score":0.6372898817062378},{"id":"https://openalex.org/C117313154","wikidata":"https://www.wikidata.org/wiki/Q878344","display_name":"Time division multiple access","level":2,"score":0.6083357334136963},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5895407199859619},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5018997192382812},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.44894102215766907},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3688698410987854},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3610302805900574},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2869805693626404},{"id":"https://openalex.org/C175893541","wikidata":"https://www.wikidata.org/wiki/Q1196582","display_name":"Round-robin scheduling","level":4,"score":0.26038670539855957},{"id":"https://openalex.org/C31689143","wikidata":"https://www.wikidata.org/wiki/Q733809","display_name":"Fair-share scheduling","level":3,"score":0.18463867902755737},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1368575096130371},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/wsa.2008.4475537","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2008.4475537","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 International ITG Workshop on Smart Antennas","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.680.4304","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.680.4304","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.easy-c.de/publications/Kumar_WSA_2008.pdf","raw_type":"text"},{"id":"pmh:oai:fraunhofer.de:N-95498","is_oa":false,"landing_page_url":"http://publica.fraunhofer.de/documents/N-95498.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400801","display_name":"Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Fraunhofer HHI","raw_type":"Conference Paper"},{"id":"pmh:oai:publica.fraunhofer.de:publica/360127","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/360127","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2116456097","https://openalex.org/W2124993162","https://openalex.org/W2148703042","https://openalex.org/W2161872841","https://openalex.org/W2293837665","https://openalex.org/W4239651601"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W2121800375","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W2160222453","https://openalex.org/W4300468626","https://openalex.org/W2132952414","https://openalex.org/W4224928116","https://openalex.org/W2111132618"],"abstract_inverted_index":{"In":[0,102],"this":[1,78,103,112],"paper":[2],"we":[3,80,105],"present":[4,106],"rst":[5],"real-time":[6],"outdoor":[7],"multi-user":[8],"multi-antenna":[9],"measurements":[10],"based":[11,46],"on":[12,47],"system":[13,120],"parameters":[14],"close":[15],"to":[16],"3GPP-Long":[17],"Term":[18],"Evolution.":[19],"We":[20],"demonstrate":[21],"switching":[22],"between":[23],"various":[24],"transmission":[25],"modes":[26],"in":[27,67,71],"the":[28,48,62,72,129],"downlink":[29,83],"steered":[30],"by":[31],"a":[32,57,82,89,107],"quantized":[33,49],"feedback":[34,50],"channel.":[35],"Real":[36],"time":[37],"results":[38,66],"show":[39],"that":[40],"an":[41,97],"OFDMA":[42],"proportional":[43,63],"fair":[44,64],"scheduler":[45,65],"achieves":[51],"signi":[52],"cant":[53],"performance":[54],"gains":[55,123],"over":[56],"xed":[58],"OFDM-TDMA":[59],"system.":[60],"However,":[61],"user":[68],"starvation":[69],"periods":[70],"event":[73],"of":[74],"correlated":[75],"feedbacks.":[76],"To":[77],"end,":[79],"formulate":[81],"scheduling":[84],"problem":[85,113],"with":[86],"zero-starvation":[87],"as":[88],"short":[90],"term":[91],"fairness":[92,130],"[5]":[93],"objective.":[94,131],"This":[95],"is":[96],"integer":[98],"programming":[99],"(IP)":[100],"problem.":[101],"paper,":[104],"simple":[108],"heuristic":[109],"algorithm":[110],"for":[111,114],"K":[115],"=":[116],"2":[117],"users.":[118],"Significant":[119],"sum":[121],"rate":[122],"are":[124],"shown":[125],"while":[126],"still":[127],"fulfilling":[128]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
