{"id":"https://openalex.org/W4206346311","doi":"https://doi.org/10.1109/lcomm.2021.3140207","title":"Weighted Sum Rate Maximization in IRS-BackCom Enabled Downlink Multi-Cell MISO Network","display_name":"Weighted Sum Rate Maximization in IRS-BackCom Enabled Downlink Multi-Cell MISO Network","publication_year":2022,"publication_date":"2022-01-04","ids":{"openalex":"https://openalex.org/W4206346311","doi":"https://doi.org/10.1109/lcomm.2021.3140207"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3140207","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3140207","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5044488024","display_name":"Sai Xu","orcid":"https://orcid.org/0000-0001-5581-9564"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sai Xu","raw_affiliation_strings":["School of Cybersecurity, Northwestern Polytechnical University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0001-5581-9564","affiliations":[{"raw_affiliation_string":"School of Cybersecurity, Northwestern Polytechnical University, Xi’an, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021120063","display_name":"Yanan Du","orcid":"https://orcid.org/0000-0001-8586-2336"},"institutions":[{"id":"https://openalex.org/I151727225","display_name":"Harbin Engineering University","ror":"https://ror.org/03x80pn82","country_code":"CN","type":"education","lineage":["https://openalex.org/I151727225"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanan Du","raw_affiliation_strings":["College of Intelligent Systems Science and Engineering, Harbin Engineering University, Harbin, China"],"raw_orcid":"https://orcid.org/0000-0001-8586-2336","affiliations":[{"raw_affiliation_string":"College of Intelligent Systems Science and Engineering, Harbin Engineering University, Harbin, China","institution_ids":["https://openalex.org/I151727225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108050448","display_name":"Jiajia Liu","orcid":"https://orcid.org/0000-0003-4273-8866"},"institutions":[{"id":"https://openalex.org/I17145004","display_name":"Northwestern Polytechnical University","ror":"https://ror.org/01y0j0j86","country_code":"CN","type":"education","lineage":["https://openalex.org/I17145004"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiajia Liu","raw_affiliation_strings":["School of Cybersecurity, Northwestern Polytechnical University, Xi’an, China"],"raw_orcid":"https://orcid.org/0000-0003-4273-8866","affiliations":[{"raw_affiliation_string":"School of Cybersecurity, Northwestern Polytechnical University, Xi’an, China","institution_ids":["https://openalex.org/I17145004"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100671149","display_name":"Jingtao Li","orcid":"https://orcid.org/0000-0003-4250-869X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]},{"id":"https://openalex.org/I194716290","display_name":"China Academy of Space Technology","ror":"https://ror.org/025397a59","country_code":"CN","type":"government","lineage":["https://openalex.org/I194716290","https://openalex.org/I2802615301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingtao Li","raw_affiliation_strings":["Beijing Institute of Technology, Beijing, China","Institute of Telecommunication and Navigation Satellites, China Academy of Space Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"Institute of Telecommunication and Navigation Satellites, China Academy of Space Technology, Beijing, China","institution_ids":["https://openalex.org/I194716290"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4006,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.88694282,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"26","issue":"3","first_page":"642","last_page":"646"},"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":0.98580002784729,"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":0.9785000085830688,"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/telecommunications-link","display_name":"Telecommunications link","score":0.8736387491226196},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.760546088218689},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7475855350494385},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7245414853096008},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.660173237323761},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5892640352249146},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.527488112449646},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4821907579898834},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4548724889755249},{"id":"https://openalex.org/keywords/power-budget","display_name":"Power budget","score":0.4473876655101776},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.42655694484710693},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.39878320693969727},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2972705066204071},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.23288041353225708},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.23223194479942322},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.220506489276886},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.1948302984237671},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13790881633758545},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.06355348229408264}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8736387491226196},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.760546088218689},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7475855350494385},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7245414853096008},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.660173237323761},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5892640352249146},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.527488112449646},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4821907579898834},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4548724889755249},{"id":"https://openalex.org/C149768029","wikidata":"https://www.wikidata.org/wiki/Q1509342","display_name":"Power budget","level":4,"score":0.4473876655101776},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.42655694484710693},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.39878320693969727},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2972705066204071},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.23288041353225708},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.23223194479942322},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.220506489276886},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.1948302984237671},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13790881633758545},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06355348229408264},{"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/lcomm.2021.3140207","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3140207","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3078096288","display_name":null,"funder_award_id":"D5000210593","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G6696734744","display_name":null,"funder_award_id":"62101448","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7441095077","display_name":null,"funder_award_id":"2021M692649","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2512920678","https://openalex.org/W2788350651","https://openalex.org/W2983550364","https://openalex.org/W2995330189","https://openalex.org/W3012127008","https://openalex.org/W3021335732","https://openalex.org/W3027118737","https://openalex.org/W3043220753","https://openalex.org/W3096513223","https://openalex.org/W3100536113","https://openalex.org/W3100544904","https://openalex.org/W3107731108","https://openalex.org/W3128730629","https://openalex.org/W3129486236","https://openalex.org/W3132252774","https://openalex.org/W3157535588","https://openalex.org/W3163853335"],"related_works":["https://openalex.org/W3087844490","https://openalex.org/W3090699061","https://openalex.org/W4387546583","https://openalex.org/W2169192185","https://openalex.org/W2103590590","https://openalex.org/W2515629000","https://openalex.org/W2013230419","https://openalex.org/W2051762234","https://openalex.org/W2274777105","https://openalex.org/W2131408743"],"abstract_inverted_index":{"This":[0],"letter":[1],"investigates":[2],"intelligent":[3],"reflecting":[4],"surface":[5],"backscatter":[6,46],"communication":[7],"(IRS-BackCom)":[8],"assisted":[9],"downlink":[10],"multi-cell":[11,21],"multiple-input":[12],"single-output":[13],"network":[14,63],"for":[15],"the":[16,76,81,85,89,91,98,103,106],"first":[17],"time.":[18],"In":[19],"such":[20],"network,":[22],"each":[23],"IRS":[24],"instead":[25],"of":[26,47,62,105],"active":[27],"transmit":[28],"antennas":[29],"serves":[30],"as":[31],"a":[32,52],"cell":[33],"base":[34],"station":[35],"(BS)":[36],"to":[37,65],"communicate":[38],"with":[39],"its":[40],"single-antenna":[41],"users":[42],"through":[43],"modulation":[44],"and":[45,87,101],"ambient":[48],"wireless":[49],"signal":[50],"from":[51],"power":[53,67],"beacon":[54],"(PB).":[55],"To":[56],"maximize":[57],"weighted":[58],"sum":[59],"rate":[60],"(WSR)":[61],"subject":[64],"total":[66],"budget,":[68],"coordinated":[69],"multipoint":[70],"transmission":[71],"(CoMP)":[72],"is":[73,94],"implemented":[74],"at":[75,84],"IRSs.":[77],"By":[78],"alternately":[79],"optimizing":[80],"beamforming":[82],"vectors":[83],"PB":[86],"all":[88],"IRSs,":[90],"sub-optimal":[92],"WSR":[93,100],"obtained.":[95],"Simulations":[96],"show":[97],"achievable":[99],"verify":[102],"feasibility":[104],"proposed":[107],"IRS-BackCom":[108],"enabled":[109],"CoMP":[110],"scheme.":[111]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":6}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}