{"id":"https://openalex.org/W3009302145","doi":"https://doi.org/10.1109/tgcn.2020.2977345","title":"Energy-Efficient Buffer-Aided Relaying Systems With Opportunistic Spectrum Access","display_name":"Energy-Efficient Buffer-Aided Relaying Systems With Opportunistic Spectrum Access","publication_year":2020,"publication_date":"2020-03-02","ids":{"openalex":"https://openalex.org/W3009302145","doi":"https://doi.org/10.1109/tgcn.2020.2977345","mag":"3009302145"},"language":"en","primary_location":{"id":"doi:10.1109/tgcn.2020.2977345","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2020.2977345","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Green Communications and Networking","raw_type":"journal-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/A5019043794","display_name":"Kunlun Wang","orcid":"https://orcid.org/0000-0002-5727-5166"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kunlun Wang","raw_affiliation_strings":["School of Information Science and Technology, ShanghaiTech Unitersity, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Information Science and Technology, ShanghaiTech Unitersity, Shanghai, China","institution_ids":["https://openalex.org/I30809798"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048817096","display_name":"Qingqing Wu","orcid":"https://orcid.org/0000-0002-0043-3266"},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Qingqing Wu","raw_affiliation_strings":["National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100344189","display_name":"Wen Chen","orcid":"https://orcid.org/0000-0003-2133-8679"},"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":"Wen Chen","raw_affiliation_strings":["Shanghai Institute of Advanced Communications and Data Sciences, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute of Advanced Communications and Data Sciences, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100397725","display_name":"Yang Yang","orcid":"https://orcid.org/0000-0003-0608-9408"},"institutions":[{"id":"https://openalex.org/I30809798","display_name":"ShanghaiTech University","ror":"https://ror.org/030bhh786","country_code":"CN","type":"education","lineage":["https://openalex.org/I30809798"]},{"id":"https://openalex.org/I4210151021","display_name":"Shanghai Institute of Computing Technology","ror":"https://ror.org/05ek0ze18","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210151021"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Yang","raw_affiliation_strings":["Shanghai Institute of Fog Computing Technology, SCA, ShanghaiTech University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute of Fog Computing Technology, SCA, ShanghaiTech University, Shanghai, China","institution_ids":["https://openalex.org/I4210151021","https://openalex.org/I30809798"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006080984","display_name":"Derrick Wing Kwan Ng","orcid":"https://orcid.org/0000-0001-6400-712X"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Derrick Wing Kwan Ng","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia","institution_ids":["https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5019043794"],"corresponding_institution_ids":["https://openalex.org/I30809798"],"apc_list":null,"apc_paid":null,"fwci":0.9706,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.771913,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"4","issue":"3","first_page":"731","last_page":"744"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","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/T10796","display_name":"Cooperative Communication and Network Coding","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":0.9998999834060669,"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":0.9990000128746033,"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/relay","display_name":"Relay","score":0.8010544776916504},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7134029269218445},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.6793785691261292},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.6755300760269165},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5846320390701294},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.48489028215408325},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.457535058259964},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4378882944583893},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4376789331436157},{"id":"https://openalex.org/keywords/queueing-theory","display_name":"Queueing theory","score":0.42207586765289307},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3560759425163269},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.346059650182724},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32986021041870117},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21147966384887695},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14542442560195923},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1327342987060547},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.0948270857334137},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.07861530780792236}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8010544776916504},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7134029269218445},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.6793785691261292},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.6755300760269165},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5846320390701294},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.48489028215408325},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.457535058259964},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4378882944583893},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4376789331436157},{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.42207586765289307},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3560759425163269},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.346059650182724},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32986021041870117},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21147966384887695},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14542442560195923},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1327342987060547},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0948270857334137},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07861530780792236},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgcn.2020.2977345","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgcn.2020.2977345","pdf_url":null,"source":{"id":"https://openalex.org/S4210192662","display_name":"IEEE Transactions on Green Communications and Networking","issn_l":"2473-2400","issn":["2473-2400"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Green Communications and Networking","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2361132057","display_name":null,"funder_award_id":"DP190101363","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"},{"id":"https://openalex.org/G2663724181","display_name":null,"funder_award_id":"61801463","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2669975680","display_name":null,"funder_award_id":"61671294","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5495080709","display_name":null,"funder_award_id":"2018YFB1801102","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W101730385","https://openalex.org/W1432778544","https://openalex.org/W1496072755","https://openalex.org/W1582366873","https://openalex.org/W1967353234","https://openalex.org/W1978858576","https://openalex.org/W2001382966","https://openalex.org/W2003561726","https://openalex.org/W2021906103","https://openalex.org/W2036848052","https://openalex.org/W2038805386","https://openalex.org/W2059595900","https://openalex.org/W2060275840","https://openalex.org/W2064574696","https://openalex.org/W2082347459","https://openalex.org/W2083241029","https://openalex.org/W2098388648","https://openalex.org/W2110757521","https://openalex.org/W2113312695","https://openalex.org/W2115772690","https://openalex.org/W2129573153","https://openalex.org/W2138048032","https://openalex.org/W2140973383","https://openalex.org/W2151222548","https://openalex.org/W2153059534","https://openalex.org/W2153966451","https://openalex.org/W2157473159","https://openalex.org/W2158195965","https://openalex.org/W2159494359","https://openalex.org/W2159731678","https://openalex.org/W2161970876","https://openalex.org/W2162941916","https://openalex.org/W2165511051","https://openalex.org/W2168653914","https://openalex.org/W2234862916","https://openalex.org/W2242946604","https://openalex.org/W2244802541","https://openalex.org/W2272146495","https://openalex.org/W2329910381","https://openalex.org/W2343523109","https://openalex.org/W2343823234","https://openalex.org/W2492250943","https://openalex.org/W2593893328","https://openalex.org/W2748066446","https://openalex.org/W2754714943","https://openalex.org/W2774987545","https://openalex.org/W2793769162","https://openalex.org/W2963877475","https://openalex.org/W2964129085","https://openalex.org/W2969465871","https://openalex.org/W3099804118","https://openalex.org/W3101496806","https://openalex.org/W4300306656","https://openalex.org/W6684856111"],"related_works":["https://openalex.org/W2611396164","https://openalex.org/W2956138144","https://openalex.org/W1998303567","https://openalex.org/W2898995589","https://openalex.org/W2611631300","https://openalex.org/W2805060255","https://openalex.org/W4210401887","https://openalex.org/W3129637292","https://openalex.org/W1982685959","https://openalex.org/W2286225772"],"abstract_inverted_index":{"In":[0,104,153],"this":[1,105],"paper,":[2],"an":[3,31,107],"energy-efficient":[4],"cross-layer":[5],"design":[6,171],"framework":[7],"is":[8,28,38,58,80,89,112,144,161],"proposed":[9,170],"for":[10,86,124],"cooperative":[11,42,127],"relaying":[12],"networks,":[13],"which":[14,91],"takes":[15,92],"into":[16,93],"account":[17,94],"the":[18,41,47,56,63,71,74,78,83,95,99,102,116,125,130,136,141,166,169,173],"influence":[19],"of":[20,55,70,77,98,119,168],"spectrum":[21],"utilization":[22],"probability.":[23],"Specifically,":[24],"random":[25],"arrival":[26],"traffic":[27],"considered":[29],"and":[30,34,67,101,121,140],"adaptive":[32],"modulation":[33],"coding":[35],"(AMC)":[36],"scheme":[37],"adopted":[39],"in":[40],"transmission":[43,88,139,143,157],"system":[44,48,72],"to":[45,114],"improve":[46],"performance.":[49],"The":[50],"average":[51],"packet":[52,64,147],"dropping":[53,65],"rate":[54,66],"relay-buffer":[57],"studied":[59],"at":[60],"first.":[61],"With":[62],"stationary":[68],"distribution":[69],"state,":[73],"closed-form":[75],"expression":[76],"delay":[79,151],"derived.":[81],"Then":[82],"energy":[84,108,131,155,174],"efficiency":[85,109],"relay-assisted":[87,126],"investigated,":[90],"queueing":[96],"process":[97],"relay":[100,137],"source.":[103],"context,":[106],"optimization":[110],"problem":[111],"formulated":[113],"determine":[115],"optimum":[117],"strategy":[118,134],"power":[120],"time":[122],"allocation":[123],"system.":[128],"Finally,":[129],"efficient":[132,156],"switching":[133],"between":[135],"assisted":[138],"direct":[142],"obtained,":[145],"where":[146],"transmissions":[148],"have":[149],"different":[150],"requirements.":[152],"addition,":[154],"policy":[158],"with":[159],"AMC":[160],"obtained.":[162],"Numerical":[163],"results":[164],"demonstrate":[165],"effectiveness":[167],"improving":[172],"efficiency.":[175]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}