{"id":"https://openalex.org/W2094954054","doi":"https://doi.org/10.1109/glocom.2012.6503871","title":"Power allocation based on fast Water-Filling for energy efficient OFDM and MIMO transmissions","display_name":"Power allocation based on fast Water-Filling for energy efficient OFDM and MIMO transmissions","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W2094954054","doi":"https://doi.org/10.1109/glocom.2012.6503871","mag":"2094954054"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2012.6503871","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2012.6503871","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5001752063","display_name":"Fengya Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengya Luo","raw_affiliation_strings":["National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100421130","display_name":"Yu Ye","orcid":"https://orcid.org/0000-0003-4686-0973"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Ye","raw_affiliation_strings":["National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101512415","display_name":"Bin Wu","orcid":"https://orcid.org/0000-0002-8038-1362"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Wu","raw_affiliation_strings":["National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089628133","display_name":"Pin\u2010Han Ho","orcid":"https://orcid.org/0000-0002-0717-1481"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]},{"id":"https://openalex.org/I151746483","display_name":"University of Waterloo","ror":"https://ror.org/01aff2v68","country_code":"CA","type":"education","lineage":["https://openalex.org/I151746483"]}],"countries":["CA","CN"],"is_corresponding":false,"raw_author_name":"Pin-Han Ho","raw_affiliation_strings":["Dept. of Electrical and Computer Engineering, University of Waterloo, 611731, ON, N2L 3G1, Canada","National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ONT, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Computer Engineering, University of Waterloo, 611731, ON, N2L 3G1, Canada","institution_ids":["https://openalex.org/I151746483"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ONT, Canada","institution_ids":["https://openalex.org/I151746483"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102950103","display_name":"Xiang Ling","orcid":"https://orcid.org/0000-0002-2012-8795"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Ling","raw_affiliation_strings":["National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Key Lab of Science and Technology on Communications, University of Electronic Science and Technology of China (UESTC), Western High-Tech Park, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]},{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"4758","last_page":"4763"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9998000264167786,"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":0.9994999766349792,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6825985312461853},{"id":"https://openalex.org/keywords/lagrange-multiplier","display_name":"Lagrange multiplier","score":0.6081257462501526},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5663054585456848},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5270804762840271},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5007753372192383},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.487968385219574},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.46951764822006226},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.4567289650440216},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.431281715631485},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.42001450061798096},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.41349104046821594},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2883845269680023},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10874080657958984},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09121152758598328},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.07220634818077087}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6825985312461853},{"id":"https://openalex.org/C73684929","wikidata":"https://www.wikidata.org/wiki/Q598870","display_name":"Lagrange multiplier","level":2,"score":0.6081257462501526},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5663054585456848},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5270804762840271},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5007753372192383},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.487968385219574},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.46951764822006226},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.4567289650440216},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.431281715631485},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.42001450061798096},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.41349104046821594},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2883845269680023},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10874080657958984},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09121152758598328},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.07220634818077087},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/glocom.2012.6503871","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2012.6503871","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.9100000262260437}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1554052196","https://openalex.org/W2004231725","https://openalex.org/W2031921235","https://openalex.org/W2071818388","https://openalex.org/W2102412823","https://openalex.org/W2108427351","https://openalex.org/W2116579348","https://openalex.org/W2118466491","https://openalex.org/W2119911368","https://openalex.org/W2120418332","https://openalex.org/W2134716185","https://openalex.org/W2142736203","https://openalex.org/W2154024393","https://openalex.org/W2156004493","https://openalex.org/W2550988689","https://openalex.org/W2623734313","https://openalex.org/W6682630143"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2517776947","https://openalex.org/W1986382998","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W2063393180","https://openalex.org/W2212019768"],"abstract_inverted_index":{"We":[0],"consider":[1],"power":[2,52,82,101,153],"allocation":[3,53,83,154],"in":[4,54],"energy":[5,27],"efficient":[6],"OFDM":[7],"(Orthogonal":[8],"Frequency":[9],"Division":[10],"Multiplexing)":[11],"or":[12],"MIMO":[13],"(Multiple-Input":[14],"Multiple-Output)":[15],"transmissions.":[16],"An":[17],"energy-per-goodbit":[18],"(EPG)":[19],"metric":[20],"is":[21,62,91,109],"used":[22,47],"to":[23,48,78,126],"gauge":[24],"the":[25,50,80,98,106,115,120,133,145,161,172],"average":[26],"consumed":[28],"for":[29,39,128,156],"transmitting":[30],"each":[31],"bit.":[32],"Existing":[33],"works":[34],"minimize":[35],"EPG":[36,108,157],"by":[37],"searching":[38,60,85,144],"a":[40,55,66,75,129,139],"set":[41],"of":[42,97],"dual":[43,87],"variables":[44],"which":[45,124],"are":[46],"compute":[49,79],"optimal":[51,81],"Water-Filling":[56],"(WF)":[57],"expression.":[58],"The":[59],"process":[61],"complex":[63],"and":[64,102],"requires":[65],"long":[67],"running":[68],"time.":[69],"In":[70],"this":[71],"paper,":[72],"we":[73,136],"propose":[74,138],"new":[76],"algorithm":[77,90,142,155],"without":[84,143],"any":[86],"variables.":[88],"Our":[89],"based":[92],"on":[93],"an":[94],"iterative":[95],"calculation":[96],"total":[99],"transmission":[100],"it":[103],"converges":[104],"when":[105],"minimum":[107],"reached.":[110],"It":[111],"takes":[112],"WF":[113,122,141,164],"as":[114],"basic":[116],"building":[117],"block.":[118],"Unlike":[119],"conventional":[121],"approach":[123],"needs":[125],"search":[127],"Lagrange":[130],"multiplier":[131],"(i.e.,":[132],"water":[134],"level),":[135],"additionally":[137],"novel":[140],"Lagarange":[146],"multiplier.":[147],"Numerical":[148],"results":[149],"show":[150],"that":[151],"our":[152],"minimization,":[158],"together":[159],"with":[160],"embedded":[162],"fast":[163],"algorithm,":[165],"can":[166],"run":[167],"multiple":[168],"times":[169],"faster":[170],"than":[171],"existing":[173],"ones.":[174]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}