{"id":"https://openalex.org/W2137640125","doi":"https://doi.org/10.1109/vetecs.2011.5956224","title":"Energy-Efficient Transmission for Hybrid Spectrum Sharing in Cognitive Radio Networks","display_name":"Energy-Efficient Transmission for Hybrid Spectrum Sharing in Cognitive Radio Networks","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2137640125","doi":"https://doi.org/10.1109/vetecs.2011.5956224","mag":"2137640125"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956224","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956224","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","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/A5075593602","display_name":"Tao Qiu","orcid":"https://orcid.org/0000-0002-4406-5872"},"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":true,"raw_author_name":"Tao Qiu","raw_affiliation_strings":["Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China","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":["Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100459489","display_name":"Tao Song","orcid":"https://orcid.org/0000-0002-5965-3140"},"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":"Tao Song","raw_affiliation_strings":["Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100689912","display_name":"Zhiqiang He","orcid":"https://orcid.org/0000-0002-5010-3118"},"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":"Zhiqiang He","raw_affiliation_strings":["Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113818722","display_name":"Baoyu Tian","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":"Baoyu Tian","raw_affiliation_strings":["Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China"],"affiliations":[{"raw_affiliation_string":"Mobile Communication Laboratory, School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Mobile Commun. Lab., Beijing Univ. of Posts & Telecommun., Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5075593602"],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":3.1507,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.92176163,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"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":1.0,"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":1.0,"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":0.9995999932289124,"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":0.9958999752998352,"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":0.7647339701652527},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7192016243934631},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.6927016377449036},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6579480171203613},{"id":"https://openalex.org/keywords/joule","display_name":"Joule (programming language)","score":0.6364780068397522},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.5972993969917297},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.576189398765564},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5372905731201172},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.52269446849823},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5143095254898071},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5054113864898682},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.4761931002140045},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2837296724319458},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23874825239181519},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1786474883556366},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15597638487815857},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1477152705192566},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09760898351669312}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7647339701652527},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7192016243934631},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.6927016377449036},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6579480171203613},{"id":"https://openalex.org/C2779058145","wikidata":"https://www.wikidata.org/wiki/Q6294583","display_name":"Joule (programming language)","level":3,"score":0.6364780068397522},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.5972993969917297},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.576189398765564},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5372905731201172},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.52269446849823},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5143095254898071},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5054113864898682},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.4761931002140045},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2837296724319458},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23874825239181519},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1786474883556366},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15597638487815857},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1477152705192566},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09760898351669312},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"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/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/vetecs.2011.5956224","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956224","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","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":13,"referenced_works":["https://openalex.org/W2005148783","https://openalex.org/W2043196620","https://openalex.org/W2079194270","https://openalex.org/W2107138419","https://openalex.org/W2113303683","https://openalex.org/W2113439409","https://openalex.org/W2135794028","https://openalex.org/W2151970778","https://openalex.org/W2161209335","https://openalex.org/W2168078104","https://openalex.org/W2171501928","https://openalex.org/W3103715413","https://openalex.org/W3143753221"],"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/W1968709058","https://openalex.org/W2095246866","https://openalex.org/W2898995589","https://openalex.org/W2559182294"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,24,36,41,65,70,82,102,113],"energy-efficient":[4],"transmission":[5,58,115],"under":[6],"hybrid":[7],"spectrum":[8,19],"sharing":[9,20],"scenario,":[10],"where":[11],"secondary":[12],"users":[13,28],"(SUs)":[14],"can":[15,117],"select":[16],"a":[17,54,96],"proper":[18],"method":[21],"based":[22],"on":[23],"state":[25],"of":[26,105],"primary":[27],"(PUs).":[29],"Firstly,":[30],"an":[31],"optimization":[32,71],"model":[33],"to":[34,63,79,88],"evaluate":[35],"energy-efficiency,":[37],"as":[38],"measured":[39],"by":[40,68],"\"throughput":[42],"per":[43],"Joule\"":[44],"metric,":[45],"is":[46,86],"proposed.":[47],"Then,":[48],"we":[49,94],"show":[50,111],"that":[51,112],"there":[52],"exists":[53],"unique":[55],"globally":[56],"optimal":[57,83],"power":[59],"scheme":[60,116],"for":[61],"SU":[62],"achieve":[64],"maximum":[66],"energy-efficiency":[67,106,123],"decomposing":[69],"problem":[72,84],"into":[73],"two":[74],"sub-problems.":[75],"It's":[76],"usually":[77],"difficult":[78],"directly":[80],"solve":[81,89],"which":[85],"equivalent":[87],"joint":[90],"nonlinear":[91],"equations.":[92],"So":[93],"propose":[95],"one-dimension":[97],"low-complexity":[98],"search":[99],"algorithm,":[100],"considering":[101],"unimodal":[103],"characteristic":[104],"function.":[107],"Our":[108],"simulation":[109],"results":[110],"proposed":[114],"greatly":[118],"improve":[119],"energy":[120],"savings":[121],"with":[122],"maximization":[124],"objective.":[125]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
