{"id":"https://openalex.org/W3153836148","doi":"https://doi.org/10.1109/tsp.2021.3073813","title":"Throughput Maximization for Intelligent Reflecting Surface Aided MIMO WPCNs With Different DL/UL Reflection Patterns","display_name":"Throughput Maximization for Intelligent Reflecting Surface Aided MIMO WPCNs With Different DL/UL Reflection Patterns","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3153836148","doi":"https://doi.org/10.1109/tsp.2021.3073813","mag":"3153836148"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2021.3073813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3073813","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","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/A5029000014","display_name":"Shiqi Gong","orcid":"https://orcid.org/0000-0003-3966-8000"},"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/I204512498","display_name":"University of Macau","ror":"https://ror.org/01r4q9n85","country_code":"MO","type":"education","lineage":["https://openalex.org/I204512498"]},{"id":"https://openalex.org/I6469544","display_name":"City University of Macau","ror":"https://ror.org/04gpd4q15","country_code":"MO","type":"education","lineage":["https://openalex.org/I6469544"]}],"countries":["CN","MO"],"is_corresponding":false,"raw_author_name":"Shiqi Gong","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China","State Key Laboratory of Internet of Things for Smart City, University of Macau, Macau, China"],"raw_orcid":"https://orcid.org/0000-0003-3966-8000","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"State Key Laboratory of Internet of Things for Smart City, University of Macau, Macau, China","institution_ids":["https://openalex.org/I6469544","https://openalex.org/I204512498"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110284892","display_name":"Chengwen Xing","orcid":"https://orcid.org/0000-0002-4081-1954"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chengwen Xing","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-4081-1954","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047862167","display_name":"Shuai Wang","orcid":"https://orcid.org/0000-0002-1381-9678"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Wang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-1381-9678","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100765829","display_name":"Lian Zhao","orcid":"https://orcid.org/0000-0002-5602-1738"},"institutions":[{"id":"https://openalex.org/I530967","display_name":"Toronto Metropolitan University","ror":"https://ror.org/05g13zd79","country_code":"CA","type":"education","lineage":["https://openalex.org/I530967"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Lian Zhao","raw_affiliation_strings":["Department of Electrical, Computer, and Biomedical Engineering, Ryerson University, Toronto, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0002-5602-1738","affiliations":[{"raw_affiliation_string":"Department of Electrical, Computer, and Biomedical Engineering, Ryerson University, Toronto, ON, Canada","institution_ids":["https://openalex.org/I530967"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044674658","display_name":"Jianping An","orcid":"https://orcid.org/0000-0002-6441-9711"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianping An","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-6441-9711","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.5405,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.93340695,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"69","issue":null,"first_page":"2706","last_page":"2724"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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":1.0,"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":0.9988999962806702,"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":0.9926999807357788,"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/mimo","display_name":"MIMO","score":0.7605066895484924},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7284867763519287},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6064032912254333},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5992236137390137},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5923269391059875},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5782232880592346},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.4976785480976105},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4613651633262634},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.42865610122680664},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41184180974960327},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3525417447090149},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2783958911895752},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19393616914749146},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14467957615852356},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12703019380569458},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11886897683143616}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7605066895484924},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7284867763519287},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6064032912254333},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5992236137390137},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5923269391059875},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5782232880592346},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.4976785480976105},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4613651633262634},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.42865610122680664},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41184180974960327},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3525417447090149},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2783958911895752},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19393616914749146},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14467957615852356},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12703019380569458},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11886897683143616}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2021.3073813","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2021.3073813","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"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 Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2308221996","display_name":null,"funder_award_id":"61620106001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5111307519","display_name":null,"funder_award_id":"2019YFB1803200","funder_id":"https://openalex.org/F4320336026","funder_display_name":"National Key Research and Development Program of China Stem Cell and Translational Research"},{"id":"https://openalex.org/G5541624330","display_name":null,"funder_award_id":"U1836201","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"},{"id":"https://openalex.org/F4320336026","display_name":"National Key Research and Development Program of China Stem Cell and Translational Research","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1568307856","https://openalex.org/W1997834106","https://openalex.org/W2020306365","https://openalex.org/W2050968963","https://openalex.org/W2054692642","https://openalex.org/W2056532343","https://openalex.org/W2081071884","https://openalex.org/W2094000142","https://openalex.org/W2118588134","https://openalex.org/W2153740042","https://openalex.org/W2163844889","https://openalex.org/W2344634978","https://openalex.org/W2520624197","https://openalex.org/W2742633106","https://openalex.org/W2810687149","https://openalex.org/W2908792745","https://openalex.org/W2945534522","https://openalex.org/W2950680381","https://openalex.org/W2953226670","https://openalex.org/W2981792785","https://openalex.org/W2982560410","https://openalex.org/W2995554704","https://openalex.org/W2996961035","https://openalex.org/W3001399198","https://openalex.org/W3002384078","https://openalex.org/W3007170290","https://openalex.org/W3011747750","https://openalex.org/W3013719647","https://openalex.org/W3021564798","https://openalex.org/W3035386068","https://openalex.org/W3036185781","https://openalex.org/W3038283497","https://openalex.org/W3038534820","https://openalex.org/W3040458116","https://openalex.org/W3045518381","https://openalex.org/W3049287381","https://openalex.org/W3081766336","https://openalex.org/W3092592393","https://openalex.org/W3101220995","https://openalex.org/W3112939283","https://openalex.org/W3129385407","https://openalex.org/W3207061624","https://openalex.org/W6769431907","https://openalex.org/W6772949023","https://openalex.org/W6782150861","https://openalex.org/W6787451418","https://openalex.org/W6790420125"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2904599916","https://openalex.org/W2097713053","https://openalex.org/W2909457694","https://openalex.org/W4321608401","https://openalex.org/W2724724053"],"abstract_inverted_index":{"Wireless":[0],"power":[1],"transfer":[2,158],"(WPT)":[3],"technique":[4],"has":[5,34],"evolved":[6],"into":[7],"a":[8,105,112,165],"revolutionary":[9],"technology":[10],"for":[11,110,144,168,181],"realizing":[12],"green":[13],"and":[14,30,43,72,83,103,137,159],"self-sustainable":[15],"wireless":[16,47,62],"networks.":[17],"Meanwhile,":[18],"the":[19,57,70,76,84,89,100,121,134,145,152,173,177,182,198,214,229],"newly":[20],"emerging":[21],"intelligent":[22],"reflecting":[23,32],"surface":[24],"(IRS)":[25],"composed":[26],"of":[27,46,91,203],"massive":[28],"low-cost":[29],"low-power":[31],"elements":[33],"also":[35,211],"been":[36],"anticipated":[37],"to":[38,196],"greatly":[39],"enhance":[40],"both":[41],"spectral":[42],"energy":[44,71,157],"efficiencies":[45],"communications.":[48],"In":[49],"this":[50],"paper,":[51],"we":[52,97,163],"study":[53,99],"throughput":[54,171,201],"maximization":[55],"in":[56,127,133,172,219],"IRS-aided":[58],"multiple-input":[59],"multiple-output":[60],"(MIMO)":[61],"powered":[63],"communication":[64],"networks":[65],"(WPCNs)":[66],"by":[67,226],"jointly":[68],"optimizing":[69],"information":[73,161],"covariance":[74],"matrices,":[75],"downlink/uplink":[77],"(DL/UL)":[78],"IRS":[79,94,148],"reflect":[80],"beamforming":[81],"vectors":[82],"DL/UL":[85,93,147],"time":[86],"allocation.":[87],"Under":[88],"assumption":[90],"separate":[92],"reflection":[95,149],"pattern,":[96],"firstly":[98],"multi-user":[101,174],"scenario":[102,123,184],"develop":[104],"3-block":[106],"alternating":[107],"optimization":[108],"algorithm":[109],"finding":[111],"high-quality":[113],"suboptimal":[114],"solution.":[115],"To":[116],"draw":[117],"more":[118],"insightful":[119],"conclusions,":[120],"single-user":[122,183],"is":[124,210],"then":[125],"studied,":[126],"which":[128],"two":[129],"low-complexity":[130,179],"alternative":[131],"schemes":[132,180],"asymptotically":[135],"low-SNR":[136],"high-SNR":[138],"regimes":[139],"are":[140,185,193],"proposed,":[141],"respectively.":[142],"Furthermore,":[143],"common":[146],"pattern":[150],"with":[151],"intensive":[153],"coupling":[154],"between":[155],"DL":[156],"UL":[160,170,200],"transmission,":[162],"consider":[164],"two-stage":[166],"scheme":[167],"maximizing":[169],"scenario,":[175],"while":[176],"proposed":[178,205],"still":[186],"applicable":[187],"after":[188],"some":[189],"modifications.":[190],"Numerical":[191],"results":[192],"carried":[194],"out":[195],"illustrate":[197],"superior":[199],"performance":[202],"our":[204],"algorithms":[206],"over":[207],"benchmarks.":[208],"It":[209],"revealed":[212],"that":[213],"well-known":[215],"doubly":[216],"near-far":[217],"problem":[218],"MIMO":[220],"WPCNs":[221],"can":[222],"be":[223],"effectively":[224],"overcame":[225],"properly":[227],"deploying":[228],"IRS.":[230]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":7}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
