{"id":"https://openalex.org/W1994817676","doi":"https://doi.org/10.1109/wcnc.2013.6555042","title":"Maximizing weighted sum-rate in the uplink of wireless systems using a second-order approximation","display_name":"Maximizing weighted sum-rate in the uplink of wireless systems using a second-order approximation","publication_year":2013,"publication_date":"2013-04-01","ids":{"openalex":"https://openalex.org/W1994817676","doi":"https://doi.org/10.1109/wcnc.2013.6555042","mag":"1994817676"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2013.6555042","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2013.6555042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5058884959","display_name":"Joerg Schaepperle","orcid":null},"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"]},{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE","US"],"is_corresponding":true,"raw_author_name":"Joerg Schaepperle","raw_affiliation_strings":["Bell Labs, Alcatel-Lucent, Stuttgart, Germany","Alcatel-Lucent Bell Labs, 70430 Stuttgart, Germany"],"affiliations":[{"raw_affiliation_string":"Bell Labs, Alcatel-Lucent, Stuttgart, Germany","institution_ids":["https://openalex.org/I1322087612"]},{"raw_affiliation_string":"Alcatel-Lucent Bell Labs, 70430 Stuttgart, Germany","institution_ids":["https://openalex.org/I72090969"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5058884959"],"corresponding_institution_ids":["https://openalex.org/I1322087612","https://openalex.org/I72090969"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06749977,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"3016","last_page":"3021"},"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":0.9998999834060669,"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/T10575","display_name":"Wireless Communication Networks Research","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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7586969137191772},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6813293695449829},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.62843257188797},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5268251299858093},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5090615153312683},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.49683788418769836},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.48984643816947937},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47438862919807434},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.46067485213279724},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4476298391819},{"id":"https://openalex.org/keywords/covariance","display_name":"Covariance","score":0.4301190674304962},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2686173915863037},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20629829168319702}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7586969137191772},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6813293695449829},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.62843257188797},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5268251299858093},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5090615153312683},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.49683788418769836},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.48984643816947937},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47438862919807434},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.46067485213279724},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4476298391819},{"id":"https://openalex.org/C178650346","wikidata":"https://www.wikidata.org/wiki/Q201984","display_name":"Covariance","level":2,"score":0.4301190674304962},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2686173915863037},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20629829168319702},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc.2013.6555042","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2013.6555042","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W360528349","https://openalex.org/W572933550","https://openalex.org/W1506498270","https://openalex.org/W1592482298","https://openalex.org/W2012755701","https://openalex.org/W2044722453","https://openalex.org/W2067145564","https://openalex.org/W2075132907","https://openalex.org/W2099054854","https://openalex.org/W2117299364","https://openalex.org/W2123097741","https://openalex.org/W2129533376","https://openalex.org/W2163844889","https://openalex.org/W2165943096","https://openalex.org/W2167430018","https://openalex.org/W6616314761","https://openalex.org/W6630520024","https://openalex.org/W6635532581"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2546639359","https://openalex.org/W1922070205","https://openalex.org/W2561058892"],"abstract_inverted_index":{"The":[0,164,175],"capacity":[1,47],"of":[2,32,48,52,60,65,78,93,97,135,166,192],"the":[3,15,20,33,45,49,53,69,72,88,94,98,107,133,155,170,190],"multiple-access":[4],"channel":[5,162],"(MAC)":[6],"has":[7],"been":[8],"extensively":[9],"studied":[10],"before.":[11],"In":[12,35],"most":[13],"works":[14,158],"focus":[16],"was":[17],"either":[18],"on":[19,24,40,169],"theoretical":[21],"fundamentals":[22],"or":[23],"providing":[25],"efficient":[26,41,115],"algorithms":[27,42],"for":[28,43,87,113,178,188,201],"calculating":[29,44],"special":[30],"cases":[31],"MAC.":[34],"this":[36,125],"paper":[37],"we":[38],"concentrate":[39],"weighted-sum-rate":[46],"general":[50,120],"case":[51],"MIMO-OFDM":[54],"MAC":[55],"with":[56,104,117,144],"an":[57,62,75,114,118],"arbitrary":[58,63,76],"number":[59,64,77],"transmitters,":[61],"antennas":[66],"both":[67],"at":[68],"transmitters":[70],"and":[71,74,90,140,185],"receiver":[73],"mutually":[79],"orthogonal":[80],"sub-bands.":[81],"We":[82,123],"provide":[83],"compact":[84],"closed-form":[85],"formulas":[86],"first":[89],"second":[91],"derivatives":[92],"objective":[95],"function":[96],"underlying":[99],"non-linear":[100],"convex":[101],"optimization":[102],"problem":[103],"respect":[105],"to":[106,127,132],"transmit":[108],"covariance":[109],"matrices":[110],"that":[111,154],"allow":[112],"solution":[116],"optimized":[119],"purpose":[121],"solver.":[122],"apply":[124],"algorithm":[126,157],"different":[128,161,167],"scenarios,":[129],"amongst":[130],"others":[131],"uplink":[134],"a":[136,141,183],"single":[137],"wireless":[138,203],"cell":[139],"multi-point":[142],"scenario":[143],"multiple":[145,149],"base":[146],"stations":[147],"serving":[148],"terminals.":[150],"It":[151],"is":[152,173,182],"shown":[153],"proposed":[156],"reliably":[159],"under":[160,199],"conditions.":[163],"influence":[165],"parameters":[168],"system":[171],"performance":[172,180],"studied.":[174],"provided":[176],"method":[177],"capacity-based":[179],"studies":[181],"solid":[184],"reliable":[186],"basis":[187],"evaluating":[189],"efficiency":[191],"non-orthogonal":[193],"transmission":[194],"schemes,":[195],"which":[196],"are":[197],"currently":[198],"investigation":[200],"future":[202],"systems.":[204]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
