{"id":"https://openalex.org/W2112108188","doi":"https://doi.org/10.1109/wocc.2011.5872290","title":"Resource allocation in OFDM-based multi-cell cognitive radio systems","display_name":"Resource allocation in OFDM-based multi-cell cognitive radio systems","publication_year":2011,"publication_date":"2011-04-01","ids":{"openalex":"https://openalex.org/W2112108188","doi":"https://doi.org/10.1109/wocc.2011.5872290","mag":"2112108188"},"language":"en","primary_location":{"id":"doi:10.1109/wocc.2011.5872290","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wocc.2011.5872290","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 20th Annual Wireless and Optical Communications Conference (WOCC)","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/A5046575891","display_name":"Fangjiang Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fangjiang Huang","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China","School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100664829","display_name":"Shaowei Wang","orcid":"https://orcid.org/0000-0003-0143-556X"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaowei Wang","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China","School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016539834","display_name":"Sidan Du","orcid":"https://orcid.org/0000-0002-9966-3765"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sidan Du","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Nanjing, China","School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Nanjing, China","institution_ids":["https://openalex.org/I881766915"]},{"raw_affiliation_string":"School of Electronic Science and Engineering Nanjing University Nanjing, 210093 China","institution_ids":["https://openalex.org/I881766915"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I881766915"],"apc_list":null,"apc_paid":null,"fwci":2.2375,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.87713421,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":null,"first_page":"1","last_page":"5"},"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/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/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"}}],"keywords":[{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.8545233011245728},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7973331212997437},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.7626298666000366},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7310094237327576},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5975484848022461},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5331313610076904},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.47578227519989014},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.44870391488075256},{"id":"https://openalex.org/keywords/co-channel-interference","display_name":"Co-channel interference","score":0.42809492349624634},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.41116607189178467},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3846990466117859},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3599514663219452},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3283521234989166},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3092901408672333},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.2407737374305725},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17965155839920044},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1655573844909668},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14459273219108582},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11986726522445679}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8545233011245728},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7973331212997437},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.7626298666000366},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7310094237327576},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5975484848022461},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5331313610076904},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.47578227519989014},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.44870391488075256},{"id":"https://openalex.org/C6532628","wikidata":"https://www.wikidata.org/wiki/Q5137431","display_name":"Co-channel interference","level":4,"score":0.42809492349624634},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.41116607189178467},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3846990466117859},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3599514663219452},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3283521234989166},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3092901408672333},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.2407737374305725},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17965155839920044},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1655573844909668},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14459273219108582},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11986726522445679}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wocc.2011.5872290","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wocc.2011.5872290","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 20th Annual Wireless and Optical Communications Conference (WOCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322769","display_name":"Natural Science Foundation of Jiangsu Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1982637280","https://openalex.org/W2100359132","https://openalex.org/W2104340998","https://openalex.org/W2119039041","https://openalex.org/W2119792344","https://openalex.org/W2124409123","https://openalex.org/W2125138326","https://openalex.org/W2127606101","https://openalex.org/W2154024393","https://openalex.org/W2168078104","https://openalex.org/W2287367628","https://openalex.org/W6696154028"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W2136943174","https://openalex.org/W2075530143","https://openalex.org/W2489619855","https://openalex.org/W2059212413","https://openalex.org/W2399362156"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"study":[4],"the":[5,19,24,32,44,53,58,62,66,76,79,83,108,121,135,143,148,154],"resource":[6],"allocation":[7],"problem":[8],"for":[9],"an":[10,91,128],"OFDM-based":[11],"multi-cell":[12],"cognitive":[13],"radio":[14,28],"(CR)":[15],"system,":[16],"in":[17,100],"which":[18,133],"secondary":[20],"user":[21,34],"(SU)":[22],"of":[23,36,48,68,97,124],"CR":[25,70,103],"system":[26],"shares":[27],"spectrum":[29],"conditionally":[30],"with":[31],"primary":[33],"(PU)":[35],"a":[37,101],"licensed":[38,46],"system.":[39],"The":[40],"SUs":[41,67,84],"can":[42,72],"use":[43],"whole":[45],"bandwidth":[47],"PUs,":[49],"as":[50,52],"long":[51],"interference":[54,81,112,122,136],"power":[55,110],"introduced":[56,137],"to":[57,94,119,138],"PUs":[59,140],"is":[60,117,131,141],"within":[61],"tolerable":[63],"margin.":[64],"Since":[65],"different":[69],"cells":[71],"transmit":[73],"signals":[74],"using":[75],"same":[77],"subchannels,":[78],"inter-carrier":[80],"among":[82],"should":[85],"also":[86],"be":[87],"considered.":[88],"We":[89],"propose":[90],"efficient":[92],"algorithm":[93,116,156],"allocate":[95],"bits":[96],"OFDM":[98],"subchannels":[99],"single":[102],"cell":[104,126],"by":[105],"jointly":[106],"considering":[107],"transmitting":[109],"and":[111],"constraints.":[113],"An":[114],"iterative":[115],"adopted":[118],"update":[120],"level":[123],"each":[125],"until":[127],"equilibrium":[129],"point":[130],"reached,":[132],"means":[134],"all":[139],"below":[142],"predefined":[144],"threshold":[145],"while":[146],"obtaining":[147],"maximum":[149],"capacity.":[150],"Simulation":[151],"results":[152],"show":[153],"proposed":[155],"performs":[157],"better":[158],"than":[159],"other":[160],"methods.":[161]},"counts_by_year":[{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
