{"id":"https://openalex.org/W2141855632","doi":"https://doi.org/10.1109/icc.2011.5963433","title":"Resource Allocation for OFDMA-Based Cognitive Radio Systems with Primary User Activity Consideration","display_name":"Resource Allocation for OFDMA-Based Cognitive Radio Systems with Primary User Activity Consideration","publication_year":2011,"publication_date":"2011-06-01","ids":{"openalex":"https://openalex.org/W2141855632","doi":"https://doi.org/10.1109/icc.2011.5963433","mag":"2141855632"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2011.5963433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2011.5963433","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Communications (ICC)","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/A5100361128","display_name":"Li Li","orcid":"https://orcid.org/0000-0002-2587-843X"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Li","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101556245","display_name":"Changqing Xu","orcid":"https://orcid.org/0000-0002-3827-8820"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changqing Xu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100892935","display_name":"Jian He","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian He","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiaotong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"[Dept. of Electron. Eng., Shanghai Jiaotong Univ., Shanghai, China]","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I183067930"],"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":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems 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"}},{"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/cognitive-radio","display_name":"Cognitive radio","score":0.8410014510154724},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7593693733215332},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.6785668134689331},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.6440412402153015},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6187198758125305},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.5532941222190857},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4816507399082184},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.46984854340553284},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.364820659160614},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36027759313583374},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.21585220098495483},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21486207842826843}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8410014510154724},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7593693733215332},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.6785668134689331},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.6440412402153015},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6187198758125305},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.5532941222190857},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4816507399082184},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.46984854340553284},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.364820659160614},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36027759313583374},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.21585220098495483},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21486207842826843},{"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/icc.2011.5963433","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2011.5963433","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1931176120","https://openalex.org/W1982637280","https://openalex.org/W2061992737","https://openalex.org/W2071707134","https://openalex.org/W2108359457","https://openalex.org/W2150588967","https://openalex.org/W2161272050","https://openalex.org/W2296319761","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2025189274","https://openalex.org/W2092365485","https://openalex.org/W1585503616","https://openalex.org/W1543564974","https://openalex.org/W2004574319","https://openalex.org/W2060870071","https://openalex.org/W2224554958","https://openalex.org/W1591771139","https://openalex.org/W2043538149","https://openalex.org/W1654541684"],"abstract_inverted_index":{"In":[0,59,109],"OFDMA-based":[1,82],"Cognitive":[2],"Radio":[3],"(CR)":[4],"systems,":[5],"how":[6],"to":[7,101,111],"deal":[8],"with":[9],"the":[10,42,50,63,66,72,98,106,116],"time-varying":[11],"nature":[12],"of":[13,44,52,65,68,128],"avaliliable":[14],"spectrum":[15],"resources":[16],"has":[17],"become":[18],"a":[19,77],"hotspot":[20],"and":[21,124],"challenging":[22],"problem":[23],"in":[24,54,81],"resource":[25,28,78,113],"allocation.":[26],"Traditional":[27],"allocation":[29,79,114],"algorithm":[30,80,118],"can":[31,89,119],"not":[32],"guarantee":[33,125],"proportional":[34,92],"rates":[35,93],"among":[36,94],"non-real-time":[37,126],"CR":[38,83],"user":[39],"(CRU)":[40],"because":[41],"number":[43,51],"available":[45],"subchannels":[46],"is":[47],"smaller":[48],"than":[49],"CRUs":[53,70,95],"some":[55],"OFDM":[56],"symbol":[57],"durations.":[58],"this":[60],"paper,":[61],"taking":[62],"maximizing":[64],"sum-rate":[67],"all":[69],"as":[71],"optimization":[73],"objective,":[74],"we":[75],"propose":[76],"systems":[84],"using":[85],"dual":[86],"methods":[87],"which":[88],"maintain":[90],"statistical":[91],"while":[96],"keeping":[97],"interference":[99],"introduced":[100],"Primary":[102],"users":[103],"(PU)":[104],"under":[105],"specified":[107],"thresholds.":[108],"contrast":[110],"traditional":[112],"algorithms,":[115],"proposed":[117],"achieve":[120],"higher":[121],"transmission":[122],"rate":[123],"services":[127],"CRUs.":[129]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}