{"id":"https://openalex.org/W1992721033","doi":"https://doi.org/10.1145/1815396.1815450","title":"Optimal power allocation for OFDM cognitive system based on dual decomposition method","display_name":"Optimal power allocation for OFDM cognitive system based on dual decomposition method","publication_year":2010,"publication_date":"2010-06-28","ids":{"openalex":"https://openalex.org/W1992721033","doi":"https://doi.org/10.1145/1815396.1815450","mag":"1992721033"},"language":"en","primary_location":{"id":"doi:10.1145/1815396.1815450","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1815396.1815450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 6th International Wireless Communications and Mobile Computing Conference","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/A5064295553","display_name":"Youyun Xu","orcid":"https://orcid.org/0000-0002-4208-2783"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Youyun Xu","raw_affiliation_strings":["PLA Univ. of Sci. &amp; Tech., Nanjing, China"],"affiliations":[{"raw_affiliation_string":"PLA Univ. of Sci. &amp; Tech., Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100960009","display_name":"Yuehuai Ma","orcid":null},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuehuai Ma","raw_affiliation_strings":["PLA Univ. of Sci. &amp; Tech., Nanjing, China"],"affiliations":[{"raw_affiliation_string":"PLA Univ. of Sci. &amp; Tech., Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5064295553"],"corresponding_institution_ids":["https://openalex.org/I4210163363"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.07296177,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"231","last_page":"235"},"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998000264167786,"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"}},{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7140706777572632},{"id":"https://openalex.org/keywords/interior-point-method","display_name":"Interior point method","score":0.706308126449585},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.7034247517585754},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6312804818153381},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.6002489924430847},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5826740264892578},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5826561450958252},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5683250427246094},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5280488133430481},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.5240240693092346},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.5055854320526123},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4834907650947571},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.47522786259651184},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.45162808895111084},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.42244625091552734},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4147539436817169},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35504475235939026},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31062477827072144},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.28812485933303833},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17468836903572083},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.14396771788597107},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.13979372382164001}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7140706777572632},{"id":"https://openalex.org/C155253501","wikidata":"https://www.wikidata.org/wiki/Q461992","display_name":"Interior point method","level":2,"score":0.706308126449585},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.7034247517585754},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6312804818153381},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.6002489924430847},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5826740264892578},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5826561450958252},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5683250427246094},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5280488133430481},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.5240240693092346},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.5055854320526123},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4834907650947571},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.47522786259651184},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.45162808895111084},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.42244625091552734},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4147539436817169},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35504475235939026},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31062477827072144},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.28812485933303833},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17468836903572083},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.14396771788597107},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.13979372382164001},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1815396.1815450","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1815396.1815450","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 6th International Wireless Communications and Mobile Computing Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G538963130","display_name":null,"funder_award_id":"2009AA01Z249","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"},{"id":"https://openalex.org/G7366374777","display_name":null,"funder_award_id":"2009CB3020402","funder_id":"https://openalex.org/F4320321540","funder_display_name":"Ministry of Science and Technology of the People's Republic of China"}],"funders":[{"id":"https://openalex.org/F4320321540","display_name":"Ministry of Science and Technology of the People's Republic of China","ror":"https://ror.org/027s68j25"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1601490018","https://openalex.org/W2015263936","https://openalex.org/W2071707134","https://openalex.org/W2106781370","https://openalex.org/W2120019718","https://openalex.org/W2127593435","https://openalex.org/W2129154565","https://openalex.org/W2162986857","https://openalex.org/W2168595116","https://openalex.org/W2169421743","https://openalex.org/W2296319761","https://openalex.org/W3100343705","https://openalex.org/W4211092921"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W2075530143","https://openalex.org/W2489619855","https://openalex.org/W2059909660","https://openalex.org/W2617248812","https://openalex.org/W4285075998","https://openalex.org/W2970569119"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"the":[3,46,56,83,95,103,112],"problem":[4,31,59],"of":[5,22,109],"optimal":[6,85],"power":[7,36,40,86],"allocation":[8,87],"for":[9],"OFDM":[10],"based":[11],"cognitive":[12,23],"radio":[13],"(CR)":[14],"system":[15],"is":[16,26,60,79],"studied.":[17],"The":[18],"maximum":[19,105],"transmit":[20,35,106],"rate":[21,107],"user":[24],"(CU)":[25],"expressed":[27],"as":[28,111],"a":[29],"convex":[30],"with":[32,88],"both":[33],"total":[34],"constraint":[37],"and":[38,55,100],"interference":[39],"constraint.":[41],"Using":[42],"dual":[43,74],"decomposition":[44],"method,":[45],"linear":[47],"coupled":[48],"constraints":[49],"are":[50,66],"decoupled":[51],"one":[52],"by":[53],"one,":[54],"original":[57],"optimization":[58],"transferred":[61],"to":[62,68,81],"several":[63],"sub-problems":[64],"which":[65],"easy":[67],"be":[69],"solved.":[70],"A":[71],"two":[72],"level":[73],"variable":[75],"iterative":[76],"(TLDVI)":[77],"algorithm":[78,97],"proposed":[80,96],"obtain":[82],"final":[84],"lower":[89],"complexity.":[90],"Simulation":[91],"results":[92],"show":[93],"that":[94],"convergence":[98],"fast":[99],"can":[101],"achieve":[102],"same":[104],"performance":[108],"CU":[110],"standard":[113],"interior":[114],"point":[115],"algorithm.":[116]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
