{"id":"https://openalex.org/W1985988931","doi":"https://doi.org/10.1109/wcnc.2014.6952242","title":"Energy-efficient resource allocation for OFDM-based cognitive cooperation system using adaptive relaying strategy","display_name":"Energy-efficient resource allocation for OFDM-based cognitive cooperation system using adaptive relaying strategy","publication_year":2014,"publication_date":"2014-04-01","ids":{"openalex":"https://openalex.org/W1985988931","doi":"https://doi.org/10.1109/wcnc.2014.6952242","mag":"1985988931"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2014.6952242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2014.6952242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5049692586","display_name":"Rong Ou","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Rong Ou","raw_affiliation_strings":["Ministry of Education, Beijing University of Posts and Telecommunications","Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education, Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059494893","display_name":"Wenjun Xu","orcid":"https://orcid.org/0000-0001-8767-4742"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjun Xu","raw_affiliation_strings":["Ministry of Education, Beijing University of Posts and Telecommunications","Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education, Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100681848","display_name":"Shengyu Li","orcid":"https://orcid.org/0009-0006-9768-1739"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shengyu Li","raw_affiliation_strings":["Ministry of Education, Beijing University of Posts and Telecommunications","Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education, Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075023488","display_name":"Jiaru Lin","orcid":"https://orcid.org/0000-0001-6593-4419"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaru Lin","raw_affiliation_strings":["Ministry of Education, Beijing University of Posts and Telecommunications","Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education, Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Key Lab. of Universal Wireless Communications (Ministry of Education), Beijing University of Posts and Telecommunications","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.09206081,"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":"984","last_page":"989"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","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/T10796","display_name":"Cooperative Communication and Network Coding","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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9990000128746033,"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":0.9983999729156494,"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/computer-science","display_name":"Computer science","score":0.7346545457839966},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6958085298538208},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.6785451769828796},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.6085093021392822},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.605351448059082},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5851728916168213},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5104931592941284},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4826503396034241},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4279007017612457},{"id":"https://openalex.org/keywords/resource-management","display_name":"Resource management (computing)","score":0.42558029294013977},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.42463216185569763},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.41390299797058105},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3818492293357849},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.311475545167923},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2736731767654419},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.196694016456604},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.11504444479942322},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11027878522872925},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08840695023536682}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7346545457839966},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6958085298538208},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.6785451769828796},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.6085093021392822},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.605351448059082},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5851728916168213},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5104931592941284},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4826503396034241},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4279007017612457},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.42558029294013977},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.42463216185569763},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.41390299797058105},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3818492293357849},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.311475545167923},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2736731767654419},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.196694016456604},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.11504444479942322},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11027878522872925},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08840695023536682},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/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/wcnc.2014.6952242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2014.6952242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1967956032","https://openalex.org/W2040939112","https://openalex.org/W2105474562","https://openalex.org/W2108282849","https://openalex.org/W2145083114","https://openalex.org/W2145471202","https://openalex.org/W2537593290","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2172159377","https://openalex.org/W2091769028","https://openalex.org/W2075530143","https://openalex.org/W2131004566","https://openalex.org/W2126628275","https://openalex.org/W2556776188","https://openalex.org/W2489619855","https://openalex.org/W1782970451","https://openalex.org/W4302076005","https://openalex.org/W2167858308"],"abstract_inverted_index":{"We":[0],"consider":[1],"a":[2,8,18,38,45,97],"spectrum":[3,16],"sharing":[4],"protocol":[5],"in":[6],"which":[7,101],"secondary":[9,25,55,111,148],"system":[10,26,30,112,149],"can":[11,50,164],"operate":[12],"on":[13],"the":[14,22,24,28,41,47,54,61,87,105,110,114,120,142,147,168],"same":[15],"with":[17],"primary":[19,29,42,121],"user.":[20],"In":[21,57,77],"protocol,":[23],"helps":[27],"achieve":[31],"its":[32],"target":[33],"rate":[34,118],"by":[35,150,167],"acting":[36],"as":[37,96],"relay":[39],"for":[40,53,86,129,139],"system.":[43,90,122],"As":[44],"reward,":[46],"remaining":[48],"subcarriers":[49,127],"be":[51,165],"used":[52,128],"transmission.":[56],"order":[58],"to":[59],"alleviate":[60],"disadvantages":[62],"of":[63,109,119,126,141,146],"amplify-and-forward":[64],"(AF)":[65],"and":[66,113,134,154],"decode-and-forward":[67],"(DF)":[68],"relaying":[69,73,135],"techniques,":[70],"an":[71],"adaptive":[72],"scheme":[74],"is":[75,94],"proposed.":[76],"this":[78],"paper,":[79],"we":[80],"study":[81],"energy":[82,143],"efficient":[83],"resource":[84],"allocation":[85,133],"cognitive":[88],"cooperation":[89],"The":[91,123],"considered":[92],"problem":[93,100],"modeled":[95],"non-convex":[98],"optimization":[99],"takes":[102],"into":[103],"account":[104],"total":[106],"transmit":[107],"power":[108,132],"minimum":[115],"required":[116],"data":[117],"optimal":[124],"set":[125],"cooperation,":[130],"subcarrier":[131],"technique":[136],"are":[137],"derived":[138],"maximization":[140],"efficiency":[144],"(EE)":[145],"using":[151],"fractional":[152],"programming":[153],"dual":[155],"theory.":[156],"Simulation":[157],"results":[158],"demonstrate":[159],"that":[160],"significant":[161],"performance":[162],"gains":[163],"achieved":[166],"devised":[169],"scheme.":[170]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}