{"id":"https://openalex.org/W3213940841","doi":"https://doi.org/10.1109/jsyst.2021.3120299","title":"Intelligent Reflecting Surface Assisted Wireless Information and Power Transfer With X-Duplex for 6G Networks","display_name":"Intelligent Reflecting Surface Assisted Wireless Information and Power Transfer With X-Duplex for 6G Networks","publication_year":2021,"publication_date":"2021-11-04","ids":{"openalex":"https://openalex.org/W3213940841","doi":"https://doi.org/10.1109/jsyst.2021.3120299","mag":"3213940841"},"language":"en","primary_location":{"id":"doi:10.1109/jsyst.2021.3120299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3120299","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","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/A5037456697","display_name":"Xianzhong Xie","orcid":"https://orcid.org/0000-0002-2986-6356"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xianzhong Xie","raw_affiliation_strings":["School of Communication and Information Engineering and the Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering and the Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089097753","display_name":"Hong Tang","orcid":"https://orcid.org/0000-0001-9142-376X"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hong Tang","raw_affiliation_strings":["School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013729643","display_name":"Helin Yang","orcid":"https://orcid.org/0000-0001-9697-7470"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Helin Yang","raw_affiliation_strings":["School of Computer Science and Engineering, Nanyang Technological University, Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, Nanyang Technological University, Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101699670","display_name":"Qian Huang","orcid":"https://orcid.org/0000-0003-4635-2952"},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Huang","raw_affiliation_strings":["Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087939001","display_name":"Pu Dong","orcid":null},"institutions":[{"id":"https://openalex.org/I10535382","display_name":"Chongqing University of Posts and Telecommunications","ror":"https://ror.org/03dgaqz26","country_code":"CN","type":"education","lineage":["https://openalex.org/I10535382"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dong Pu","raw_affiliation_strings":["Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China"],"affiliations":[{"raw_affiliation_string":"Chongqing Key Lab of Computer Network and Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing, China","institution_ids":["https://openalex.org/I10535382"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5037456697"],"corresponding_institution_ids":["https://openalex.org/I10535382"],"apc_list":null,"apc_paid":null,"fwci":1.1132,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.77761978,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":"16","issue":"4","first_page":"5894","last_page":"5905"},"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":0.9833999872207642,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9678999781608582,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.6715896129608154},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6589138507843018},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6210696697235107},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.5882695317268372},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5600898265838623},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4923609495162964},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42187556624412537},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4205614924430847},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38687068223953247},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.2722100615501404},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2558991312980652},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20074871182441711},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17192715406417847},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07336893677711487},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.05896463990211487}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6715896129608154},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6589138507843018},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6210696697235107},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.5882695317268372},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5600898265838623},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4923609495162964},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42187556624412537},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4205614924430847},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38687068223953247},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2722100615501404},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2558991312980652},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20074871182441711},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17192715406417847},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07336893677711487},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.05896463990211487},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","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},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsyst.2021.3120299","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsyst.2021.3120299","pdf_url":null,"source":{"id":"https://openalex.org/S95999327","display_name":"IEEE Systems Journal","issn_l":"1932-8184","issn":["1932-8184","1937-9234","2373-7816"],"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 Systems Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G6649124824","display_name":null,"funder_award_id":"61502067","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W1974552031","https://openalex.org/W1999218360","https://openalex.org/W2042599231","https://openalex.org/W2149414429","https://openalex.org/W2508393166","https://openalex.org/W2581831344","https://openalex.org/W2789998486","https://openalex.org/W2806450299","https://openalex.org/W2891191577","https://openalex.org/W2894971761","https://openalex.org/W2948573205","https://openalex.org/W2950077417","https://openalex.org/W2963955217","https://openalex.org/W2965139592","https://openalex.org/W2966287617","https://openalex.org/W2968389137","https://openalex.org/W2969424089","https://openalex.org/W2984937369","https://openalex.org/W2990747873","https://openalex.org/W2995554704","https://openalex.org/W2996961035","https://openalex.org/W3000577820","https://openalex.org/W3006762012","https://openalex.org/W3009918410","https://openalex.org/W3011747750","https://openalex.org/W3022427039","https://openalex.org/W3027118737","https://openalex.org/W3030403925","https://openalex.org/W3033291036","https://openalex.org/W3033403733","https://openalex.org/W3034281970","https://openalex.org/W3034533409","https://openalex.org/W3035049807","https://openalex.org/W3036886449","https://openalex.org/W3041653465","https://openalex.org/W3059813204","https://openalex.org/W3090699061","https://openalex.org/W3100536113","https://openalex.org/W3101718285","https://openalex.org/W3103493968","https://openalex.org/W3104300639","https://openalex.org/W3114508073","https://openalex.org/W3129192461","https://openalex.org/W3129486236","https://openalex.org/W3129801349","https://openalex.org/W3185482389","https://openalex.org/W3194128891","https://openalex.org/W4235008188","https://openalex.org/W4293229790","https://openalex.org/W4361867455","https://openalex.org/W6779108959"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W1038122923","https://openalex.org/W1998322187","https://openalex.org/W2952514781","https://openalex.org/W3019210376","https://openalex.org/W2391145594","https://openalex.org/W2326572623","https://openalex.org/W1559320887","https://openalex.org/W2972242150","https://openalex.org/W2561058892"],"abstract_inverted_index":{"Intelligent":[0],"reflecting":[1],"surface":[2],"(IRS)":[3],"has":[4,140],"received":[5],"widespread":[6],"attention":[7],"because":[8],"it":[9],"can":[10,27],"significantly":[11],"improve":[12],"the":[13,53,62,66,92,104,109,118,123,129,132,149,159,164,181,188],"performance":[14,130],"of":[15,57,96,131],"wireless":[16,68],"networks.":[17],"The":[18,137,167],"X-duplex":[19,49,63,105,110,138,150,168],"is":[20,88,156,185,191],"a":[21,29,36,75,97,175],"more":[22],"flexible":[23],"duplex":[24],"mode,":[25],"which":[26],"decrease":[28],"small":[30],"sum":[31,145],"rate":[32,146],"in":[33],"exchange":[34],"for":[35,108],"higher":[37,141,176],"quality-of-service":[38],"performance.":[39],"In":[40],"this":[41],"article,":[42],"an":[43,114],"IRS":[44,64,139,160],"transmission":[45,135,154,189],"scheme":[46],"based":[47,79,116],"on":[48,80,117],"isinvestigated":[50],"to":[51,90,121],"enhance":[52],"flexibility":[54],"and":[55,70,73,143,178],"freedom":[56],"communication":[58],"design.":[59],"We":[60],"present":[61],"with":[65,170],"simultaneous":[67],"information":[69],"power":[71,76,155],"transfer,":[72],"establish":[74],"consumption":[77],"model":[78],"real":[81],"application":[82],"scenarios.":[83],"An":[84],"alternating":[85],"optimization":[86],"algorithm":[87,115],"proposed":[89],"maximize":[91],"energy":[93,172,184],"efficiency":[94],"(EE)":[95],"multi-input":[98],"single-output":[99],"(MIMO)":[100],"network":[101],"assisted":[102],"by":[103],"IRS.":[106],"As":[107],"relay,":[111],"we":[112],"explore":[113],"golden":[119],"section":[120],"optimize":[122],"EE.":[124],"Simulation":[125],"results":[126],"comprehensively":[127],"evaluate":[128],"two":[133],"auxiliary":[134],"methods.":[136],"EE":[142,179],"weighted":[144],"(WSR)":[147],"than":[148],"relay":[151,169],"when":[152,180],"sufficient":[153],"available.":[157],"However,":[158],"cannot":[161],"entirely":[162],"replace":[163],"traditional":[165],"relay.":[166],"self-interference":[171],"harvesting":[173],"achieves":[174],"WSR":[177],"access":[182],"point":[183],"limited":[186],"or":[187],"distance":[190],"short.":[192]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
