{"id":"https://openalex.org/W3007170290","doi":"https://doi.org/10.1109/lwc.2020.2974721","title":"Intelligent Reflecting Surface Enhanced User Cooperation in Wireless Powered Communication Networks","display_name":"Intelligent Reflecting Surface Enhanced User Cooperation in Wireless Powered Communication Networks","publication_year":2020,"publication_date":"2020-02-19","ids":{"openalex":"https://openalex.org/W3007170290","doi":"https://doi.org/10.1109/lwc.2020.2974721","mag":"3007170290"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2020.2974721","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.2974721","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5102832089","display_name":"Yuan Zheng","orcid":null},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Zheng","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-2537-2030","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021492036","display_name":"Suzhi Bi","orcid":"https://orcid.org/0000-0001-6212-690X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Suzhi Bi","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-6212-690X","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004874287","display_name":"Ying\u2013Jun Angela Zhang","orcid":"https://orcid.org/0000-0002-7304-6849"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ying Jun Zhang","raw_affiliation_strings":["Department of Information Engineering, Chinese University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-7304-6849","affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Chinese University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036478038","display_name":"Zhi Quan","orcid":"https://orcid.org/0000-0001-8108-2893"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Quan","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-8108-2893","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100460773","display_name":"Hui Wang","orcid":"https://orcid.org/0000-0002-3575-0595"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Wang","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0002-3575-0595","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":9.6905,"has_fulltext":false,"cited_by_count":130,"citation_normalized_percentile":{"value":0.98715094,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"9","issue":"6","first_page":"901","last_page":"905"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11458","display_name":"Advanced Wireless Communication Technologies","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/T11392","display_name":"Energy Harvesting in Wireless Networks","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/T11133","display_name":"UAV Applications and Optimization","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.7690317630767822},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.7022561430931091},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6620925068855286},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6502801179885864},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6116846203804016},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5925991535186768},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5342872142791748},{"id":"https://openalex.org/keywords/wi-fi-array","display_name":"Wi-Fi array","score":0.48189884424209595},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.48178598284721375},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4536118805408478},{"id":"https://openalex.org/keywords/wireless-wan","display_name":"Wireless WAN","score":0.427681028842926},{"id":"https://openalex.org/keywords/energy-harvesting","display_name":"Energy harvesting","score":0.42416203022003174},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.42229151725769043},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.31704145669937134},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.1290169656276703},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.12501725554466248},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11090925335884094},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.09878066182136536}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7690317630767822},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.7022561430931091},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6620925068855286},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6502801179885864},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6116846203804016},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5925991535186768},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5342872142791748},{"id":"https://openalex.org/C152153834","wikidata":"https://www.wikidata.org/wiki/Q1339878","display_name":"Wi-Fi array","level":4,"score":0.48189884424209595},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.48178598284721375},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4536118805408478},{"id":"https://openalex.org/C87379069","wikidata":"https://www.wikidata.org/wiki/Q938054","display_name":"Wireless WAN","level":5,"score":0.427681028842926},{"id":"https://openalex.org/C101518730","wikidata":"https://www.wikidata.org/wiki/Q930236","display_name":"Energy harvesting","level":3,"score":0.42416203022003174},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.42229151725769043},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.31704145669937134},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.1290169656276703},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.12501725554466248},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11090925335884094},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.09878066182136536},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2020.2974721","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2020.2974721","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G4987329618","display_name":null,"funder_award_id":"61622108","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G779248438","display_name":"\u9762\u5411\u65e0\u6e90\u8fb9\u7f18\u8ba1\u7b97\u7684\u65b0\u578b\u7269\u8054\u7f51\u4e2d\u8ba1\u7b97\u6027\u80fd\u6700\u4f18\u5316\u65b9\u6848\u7814\u7a76","funder_award_id":"61871271","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8606739013","display_name":null,"funder_award_id":"14208017","funder_id":"https://openalex.org/F4320326705","funder_display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320326705","display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1973720496","https://openalex.org/W2082432933","https://openalex.org/W2094000142","https://openalex.org/W2118588134","https://openalex.org/W2128513990","https://openalex.org/W2343823234","https://openalex.org/W2556547510","https://openalex.org/W2795167939","https://openalex.org/W2937693915","https://openalex.org/W2948219016","https://openalex.org/W2950077417","https://openalex.org/W2962765152","https://openalex.org/W2963060851","https://openalex.org/W2964043691","https://openalex.org/W2964054168","https://openalex.org/W2969424089","https://openalex.org/W2995554704","https://openalex.org/W3021326654","https://openalex.org/W3038534820","https://openalex.org/W3099804118","https://openalex.org/W3106282754","https://openalex.org/W3124943657","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2383978359","https://openalex.org/W3130090752","https://openalex.org/W2391163222","https://openalex.org/W155968509","https://openalex.org/W2207553722","https://openalex.org/W2378519673","https://openalex.org/W2379549849","https://openalex.org/W2355352889","https://openalex.org/W150771570","https://openalex.org/W1512024219"],"abstract_inverted_index":{"An":[0],"intelligent":[1],"reflecting":[2,116],"surface":[3],"(IRS)":[4],"comprises":[5],"a":[6,23,36,52],"massive":[7],"number":[8],"of":[9,64,106,129,137],"low-cost":[10],"passive":[11,112],"elements":[12],"that":[13,126],"can":[14,131],"be":[15],"controlled":[16],"to":[17,51,66],"reflect":[18],"the":[19,62,68,72,79,83,91,100,107,111,117,127,134],"incident":[20],"signals":[21],"into":[22],"structured":[24],"output":[25],"pattern.":[26],"In":[27,58],"this":[28],"letter,":[29],"we":[30,60],"consider":[31],"IRS-assisted":[32],"user":[33],"cooperation":[34],"in":[35,71,82,140],"wireless":[37,46,73,84,118],"powered":[38],"communication":[39],"network":[40],"(WPCN),":[41],"where":[42],"two":[43,108],"users":[44,109],"harvest":[45],"energy":[47,69,74,119],"and":[48,78,103,110,120],"transmit":[49,101],"information":[50,85,121],"common":[53,93],"hybrid":[54],"access":[55],"point":[56],"(HAP).":[57],"particular,":[59],"exploit":[61],"use":[63,128],"IRS":[65,130],"enhance":[67],"efficiency":[70,81],"transfer":[75],"(WET)":[76],"phase":[77],"spectral":[80],"transmission":[86,139],"(WIT)":[87],"phase.":[88],"We":[89],"derive":[90],"maximum":[92],"(minimum)":[94],"throughput":[95,135],"performance":[96,136],"by":[97],"jointly":[98],"optimizing":[99],"time":[102],"power":[104],"allocations":[105],"array":[113],"coefficients":[114],"on":[115],"signal.":[122],"Simulation":[123],"results":[124],"show":[125],"effectively":[132],"improve":[133],"cooperative":[138],"WPCNs.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":14},{"year":2024,"cited_by_count":19},{"year":2023,"cited_by_count":24},{"year":2022,"cited_by_count":25},{"year":2021,"cited_by_count":34},{"year":2020,"cited_by_count":13}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}