{"id":"https://openalex.org/W2152883131","doi":"https://doi.org/10.1109/tvt.2011.2158615","title":"Power Control and Beamforming for Femtocells in the Presence of Channel Uncertainty","display_name":"Power Control and Beamforming for Femtocells in the Presence of Channel Uncertainty","publication_year":2011,"publication_date":"2011-06-17","ids":{"openalex":"https://openalex.org/W2152883131","doi":"https://doi.org/10.1109/tvt.2011.2158615","mag":"2152883131"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2011.2158615","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2011.2158615","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-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/A5075911813","display_name":"Dong-Chan Oh","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Dong-Chan Oh","raw_affiliation_strings":["Telecommunication Research and Development Center, Samsung Electronics Company Limited, Suwon, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Telecommunication Research and Development Center, Samsung Electronics Company Limited, Suwon, South Korea","institution_ids":["https://openalex.org/I2250650973"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009865168","display_name":"Heui Chang Lee","orcid":"https://orcid.org/0000-0003-1325-1530"},"institutions":[{"id":"https://openalex.org/I58716616","display_name":"Korea Institute of Science and Technology","ror":"https://ror.org/05kzfa883","country_code":"KR","type":"facility","lineage":["https://openalex.org/I27494661","https://openalex.org/I2801339556","https://openalex.org/I2801339556","https://openalex.org/I4210144908","https://openalex.org/I4387152098","https://openalex.org/I4387152098","https://openalex.org/I58716616"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Heui-Chang Lee","raw_affiliation_strings":["Bionics Laboratory, Korea Institute of Science and Technology, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Bionics Laboratory, Korea Institute of Science and Technology, Seoul, South Korea","institution_ids":["https://openalex.org/I58716616"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100765666","display_name":"Yong\u2010Hwan Lee","orcid":"https://orcid.org/0000-0001-8537-384X"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]},{"id":"https://openalex.org/I4210164379","display_name":"Seoul Media Institute of Technology","ror":"https://ror.org/04ywg4h07","country_code":"KR","type":"education","lineage":["https://openalex.org/I4210164379"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong-Hwan Lee","raw_affiliation_strings":["School of Electrical Engineering and Computer Science and Institute of New Media and Communication, Seoul National University, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Computer Science and Institute of New Media and Communication, Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467","https://openalex.org/I4210164379"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":6.9551,"has_fulltext":false,"cited_by_count":57,"citation_normalized_percentile":{"value":0.97155286,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":"60","issue":"6","first_page":"2545","last_page":"2554"},"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9994999766349792,"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":0.9991000294685364,"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/femtocell","display_name":"Femtocell","score":0.8887856006622314},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.8150330185890198},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.6579952836036682},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6199259161949158},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5747588872909546},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5704579949378967},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5143345594406128},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5058414936065674},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.46965470910072327},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4648512899875641},{"id":"https://openalex.org/keywords/signal-to-interference-plus-noise-ratio","display_name":"Signal-to-interference-plus-noise ratio","score":0.4536825716495514},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.32356104254722595},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.31127822399139404},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2653069794178009},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.1960882544517517}],"concepts":[{"id":"https://openalex.org/C152504517","wikidata":"https://www.wikidata.org/wiki/Q572455","display_name":"Femtocell","level":3,"score":0.8887856006622314},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8150330185890198},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.6579952836036682},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6199259161949158},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5747588872909546},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5704579949378967},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5143345594406128},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5058414936065674},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.46965470910072327},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4648512899875641},{"id":"https://openalex.org/C98824394","wikidata":"https://www.wikidata.org/wiki/Q4035626","display_name":"Signal-to-interference-plus-noise ratio","level":3,"score":0.4536825716495514},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.32356104254722595},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.31127822399139404},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2653069794178009},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.1960882544517517},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2011.2158615","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2011.2158615","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W250062009","https://openalex.org/W1485732691","https://openalex.org/W1492221128","https://openalex.org/W1596939795","https://openalex.org/W1976109068","https://openalex.org/W1997834106","https://openalex.org/W1999542175","https://openalex.org/W2002905393","https://openalex.org/W2038021890","https://openalex.org/W2074120933","https://openalex.org/W2074863717","https://openalex.org/W2093609969","https://openalex.org/W2100939227","https://openalex.org/W2102350526","https://openalex.org/W2105147296","https://openalex.org/W2118267334","https://openalex.org/W2122496159","https://openalex.org/W2124858630","https://openalex.org/W2130521103","https://openalex.org/W2140578619","https://openalex.org/W2141230696","https://openalex.org/W2143927285","https://openalex.org/W2144528478","https://openalex.org/W2145743290","https://openalex.org/W2153708180","https://openalex.org/W2159081591","https://openalex.org/W2161975624","https://openalex.org/W2163263987","https://openalex.org/W2164536085","https://openalex.org/W2296319761","https://openalex.org/W2478708596","https://openalex.org/W2798333393","https://openalex.org/W3147713772","https://openalex.org/W4212888567","https://openalex.org/W4250589301","https://openalex.org/W6650919775","https://openalex.org/W6675630672","https://openalex.org/W6681358357"],"related_works":["https://openalex.org/W3087844490","https://openalex.org/W80206304","https://openalex.org/W3090699061","https://openalex.org/W2003346049","https://openalex.org/W1987533529","https://openalex.org/W4387546583","https://openalex.org/W141023530","https://openalex.org/W1983812508","https://openalex.org/W1970017966","https://openalex.org/W2084842179"],"abstract_inverted_index":{"Femtocells":[0],"that":[1,159],"are":[2],"installed":[3],"in":[4,99,151,166],"existing":[5],"macrocellular":[6],"networks":[7],"form":[8],"a":[9,152],"two-tiered":[10],"heterogeneous":[11,100],"network,":[12],"yielding":[13],"an":[14],"interference":[15,26,49,150],"problem":[16],"between":[17],"the":[18,25,32,37,48,80,88,106,113,117,123,129,135,140,144,160,167],"two":[19],"layers.":[20],"How":[21],"we":[22,86,115],"can":[23,46],"mitigate":[24,47],"is":[27,163],"of":[28,34,82,91,108,128,143,169],"great":[29],"concern":[30],"for":[31,97],"deployment":[33],"femtocells.":[35],"When":[36],"femto":[38],"base":[39],"station":[40],"has":[41],"perfect":[42,64],"channel":[43,65,73,84,109,170],"information,":[44],"it":[45,57],"through":[50],"transmit":[51,92,118],"power":[52,93,119],"control":[53,94],"and":[54,76,95,134,146],"beamforming.":[55],"However,":[56],"may":[58],"not":[59],"be":[60],"feasible":[61],"to":[62,68,121,138],"get":[63],"information":[66],"due":[67],"unavoidable":[69],"impairments":[70],"such":[71,83],"as":[72],"estimation,":[74],"quantization,":[75],"feedback":[77],"delay.":[78],"In":[79],"presence":[81,168],"uncertainty,":[85],"consider":[87],"combined":[89],"use":[90],"beamforming":[96],"femtocells":[98],"wireless":[101],"communication":[102],"environments.":[103],"By":[104],"analyzing":[105],"effect":[107],"uncertainty":[110],"parameters":[111],"on":[112],"performance,":[114],"determine":[116],"level":[120],"provide":[122],"desired":[124],"signal-to-interference-plus-noise":[125],"ratio":[126],"(SINR)":[127],"indoor":[130],"cell":[131],"edge":[132],"femtouser":[133],"beam":[136],"weight":[137],"maximize":[139],"output":[141],"SINR":[142],"macrousers":[145],"femtousers":[147],"by":[148],"mitigating":[149],"collaborate":[153],"manner.":[154],"Finally,":[155],"simulation":[156],"results":[157],"show":[158],"proposed":[161],"scheme":[162],"quite":[164],"effective":[165],"uncertainty.":[171]},"counts_by_year":[{"year":2019,"cited_by_count":5},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}