{"id":"https://openalex.org/W2185095401","doi":"https://doi.org/10.1109/pimrc.2015.7343408","title":"Energy efficiency of amplify-and-forward relaying with antenna selection and beamforming","display_name":"Energy efficiency of amplify-and-forward relaying with antenna selection and beamforming","publication_year":2015,"publication_date":"2015-08-01","ids":{"openalex":"https://openalex.org/W2185095401","doi":"https://doi.org/10.1109/pimrc.2015.7343408","mag":"2185095401"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2015.7343408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2015.7343408","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)","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/A5113703199","display_name":"Shu Zhao","orcid":null},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shu Zhao","raw_affiliation_strings":["Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100379216","display_name":"Li Chen","orcid":"https://orcid.org/0000-0002-1754-0607"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Chen","raw_affiliation_strings":["Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100375178","display_name":"Xiaohui Chen","orcid":"https://orcid.org/0000-0003-3239-2558"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohui Chen","raw_affiliation_strings":["Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Dept. of Electronic Engineering and Information Science, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5113703199"],"corresponding_institution_ids":["https://openalex.org/I126520041"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10437864,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"8","issue":null,"first_page":"809","last_page":"813"},"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9994999766349792,"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/T10148","display_name":"Advanced MIMO Systems 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":0.6815916299819946},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6191895604133606},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5836886763572693},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5348820686340332},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.516416609287262},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5012154579162598},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4754642844200134},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4708803594112396},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4708656370639801},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4653509557247162},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.449527382850647},{"id":"https://openalex.org/keywords/maximal-ratio-combining","display_name":"Maximal-ratio combining","score":0.43538734316825867},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.4335308074951172},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.35171717405319214},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3320174217224121},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3306748569011688},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.32881879806518555},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.24802476167678833},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21438783407211304},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.1453663408756256},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.12467625737190247},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.0668497383594513}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6815916299819946},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6191895604133606},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5836886763572693},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5348820686340332},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.516416609287262},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5012154579162598},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4754642844200134},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4708803594112396},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4708656370639801},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4653509557247162},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.449527382850647},{"id":"https://openalex.org/C86024645","wikidata":"https://www.wikidata.org/wiki/Q6795632","display_name":"Maximal-ratio combining","level":4,"score":0.43538734316825867},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.4335308074951172},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.35171717405319214},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3320174217224121},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3306748569011688},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.32881879806518555},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.24802476167678833},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21438783407211304},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.1453663408756256},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.12467625737190247},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0668497383594513},{"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/pimrc.2015.7343408","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2015.7343408","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 26th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)","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":[{"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":20,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W2000362594","https://openalex.org/W2009976385","https://openalex.org/W2018830355","https://openalex.org/W2077812111","https://openalex.org/W2112170521","https://openalex.org/W2112507157","https://openalex.org/W2130592741","https://openalex.org/W2131233379","https://openalex.org/W2132360678","https://openalex.org/W2132675551","https://openalex.org/W2135733036","https://openalex.org/W2143722559","https://openalex.org/W2144013727","https://openalex.org/W2149662878","https://openalex.org/W2155782306","https://openalex.org/W2165234084","https://openalex.org/W2169948709","https://openalex.org/W2610335499","https://openalex.org/W6679489609"],"related_works":["https://openalex.org/W1531722310","https://openalex.org/W3164284189","https://openalex.org/W4297776116","https://openalex.org/W1568549004","https://openalex.org/W2163043527","https://openalex.org/W2611631300","https://openalex.org/W2137628250","https://openalex.org/W2112964915","https://openalex.org/W2121282532","https://openalex.org/W2042097629"],"abstract_inverted_index":{"A":[0],"transmission":[1,60],"scheme's":[2],"energy":[3],"efficiency":[4,89],"(EE)":[5],"is":[6,56,84],"closely":[7],"related":[8],"to":[9],"the":[10,25,67,71,82,102,114],"number":[11],"of":[12,27,76,94,104],"active":[13],"transmit":[14,18,22],"antennas.":[15],"Activating":[16],"more":[17,35],"antennas":[19],"can":[20],"reduce":[21],"power":[23],"at":[24,81],"expense":[26],"higher":[28],"circuit":[29],"power.":[30],"This":[31],"trade-off":[32],"may":[33],"become":[34],"complicated":[36],"with":[37],"cooperative":[38],"diversity":[39],"considered.":[40],"In":[41],"this":[42],"paper,":[43],"we":[44],"consider":[45],"a":[46],"dual-hop":[47],"amplify-and-forward":[48],"(AF)":[49],"relay":[50],"network":[51],"and":[52,91,110],"its":[53],"EE":[54,92,116],"performance":[55,93],"analyzed":[57],"when":[58],"different":[59],"schemes":[61],"are":[62,96],"deployed.":[63],"For":[64],"each":[65],"scheme,":[66],"analytical":[68],"expression":[69],"for":[70],"probability":[72],"density":[73],"function":[74],"(PDF)":[75],"receive":[77],"signal-to-noise":[78],"ratio":[79],"(SNR)":[80],"destination":[83],"derived.":[85],"The":[86],"corresponding":[87],"spectrum":[88],"(SE)":[90],"system":[95],"also":[97],"evaluated.":[98],"We":[99],"further":[100],"discuss":[101],"impact":[103],"total":[105],"antenna":[106],"number,":[107],"target":[108],"SE":[109],"large-scale":[111],"fading":[112],"on":[113,118],"system's":[115],"based":[117],"numerical":[119],"results.":[120]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}