{"id":"https://openalex.org/W4289538060","doi":"https://doi.org/10.1109/jiot.2022.3195927","title":"Optimization for IRS-Assisted MIMO-OFDM SWIPT System With Nonlinear EH Model","display_name":"Optimization for IRS-Assisted MIMO-OFDM SWIPT System With Nonlinear EH Model","publication_year":2022,"publication_date":"2022-08-02","ids":{"openalex":"https://openalex.org/W4289538060","doi":"https://doi.org/10.1109/jiot.2022.3195927"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2022.3195927","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3195927","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things 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/A5052454739","display_name":"Xingxiang Peng","orcid":"https://orcid.org/0000-0003-1661-7809"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingxiang Peng","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-1661-7809","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033422280","display_name":"Peiran Wu","orcid":"https://orcid.org/0000-0001-9747-3629"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peiran Wu","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0001-9747-3629","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010344995","display_name":"Hong\u2010Zhou Tan","orcid":"https://orcid.org/0000-0002-5214-997X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongzhou Tan","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-5214-997X","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052938144","display_name":"Minghua Xia","orcid":"https://orcid.org/0000-0002-0820-2227"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minghua Xia","raw_affiliation_strings":["School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-0820-2227","affiliations":[{"raw_affiliation_string":"School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.5085,"has_fulltext":false,"cited_by_count":39,"citation_normalized_percentile":{"value":0.93372342,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"9","issue":"24","first_page":"25253","last_page":"25268"},"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":0.9987999796867371,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9882000088691711,"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":0.7685914039611816},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.701016902923584},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.6245654821395874},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6212784051895142},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5957739353179932},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5280362367630005},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5237776637077332},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5205729603767395},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5133036971092224},{"id":"https://openalex.org/keywords/maximum-power-transfer-theorem","display_name":"Maximum power transfer theorem","score":0.5119968056678772},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.40062960982322693},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3564457893371582},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33857521414756775},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.32921651005744934},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1656731367111206},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11313733458518982},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11058863997459412},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1043352484703064},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.07152032852172852},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.06837466359138489}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7685914039611816},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.701016902923584},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.6245654821395874},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6212784051895142},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5957739353179932},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5280362367630005},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5237776637077332},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5205729603767395},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5133036971092224},{"id":"https://openalex.org/C67186554","wikidata":"https://www.wikidata.org/wiki/Q17103352","display_name":"Maximum power transfer theorem","level":3,"score":0.5119968056678772},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.40062960982322693},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3564457893371582},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33857521414756775},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.32921651005744934},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1656731367111206},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11313733458518982},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11058863997459412},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1043352484703064},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.07152032852172852},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.06837466359138489},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"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/jiot.2022.3195927","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3195927","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G1824386544","display_name":null,"funder_award_id":"62171486","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2364593082","display_name":null,"funder_award_id":"U2001213","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6836531188","display_name":null,"funder_award_id":"61801526","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1969648546","https://openalex.org/W1996215314","https://openalex.org/W2004709358","https://openalex.org/W2032372805","https://openalex.org/W2042599231","https://openalex.org/W2106616990","https://openalex.org/W2165350939","https://openalex.org/W2591010059","https://openalex.org/W2596716043","https://openalex.org/W2762575110","https://openalex.org/W2764170017","https://openalex.org/W2945534522","https://openalex.org/W2950077417","https://openalex.org/W2950680381","https://openalex.org/W2968389137","https://openalex.org/W2969253642","https://openalex.org/W2969424089","https://openalex.org/W2971912794","https://openalex.org/W2975179610","https://openalex.org/W2996961035","https://openalex.org/W2997741285","https://openalex.org/W3002205212","https://openalex.org/W3008356568","https://openalex.org/W3009918410","https://openalex.org/W3011747750","https://openalex.org/W3017008527","https://openalex.org/W3021225717","https://openalex.org/W3035386068","https://openalex.org/W3036023867","https://openalex.org/W3038534820","https://openalex.org/W3038599998","https://openalex.org/W3102245027","https://openalex.org/W3103991536","https://openalex.org/W3104071687","https://openalex.org/W3114508073","https://openalex.org/W3127177591","https://openalex.org/W3138605352","https://openalex.org/W3153772479","https://openalex.org/W3159238803","https://openalex.org/W3198789116","https://openalex.org/W3210522537","https://openalex.org/W4205306693","https://openalex.org/W4205367908","https://openalex.org/W4206658479","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2152088989","https://openalex.org/W4328011863","https://openalex.org/W4317418808","https://openalex.org/W2898171979","https://openalex.org/W3114996741","https://openalex.org/W2745098312","https://openalex.org/W2758830652","https://openalex.org/W2242281745","https://openalex.org/W3190750259","https://openalex.org/W4200095287"],"abstract_inverted_index":{"Simultaneous":[0],"wireless":[1,34],"information":[2],"and":[3,44,64,113,174],"power":[4,104,112,115],"transfer":[5],"(SWIPT)":[6],"has":[7],"emerged":[8],"as":[9,100,102],"an":[10,25,61,126],"appealing":[11],"solution":[12],"to":[13,40,84,109,131,150,171,184],"prolonging":[14],"the":[15,58,86,93,97,103,110,118,152,159,166,175,185],"lifetime":[16],"of":[17,20,51,60],"low-power":[18],"Internet":[19],"Things":[21],"(IoT)":[22],"networks.":[23],"Meanwhile,":[24],"intelligent":[26],"reflecting":[27],"surface":[28],"(IRS)":[29],"can":[30,163,180],"reconstruct":[31],"a":[32,133,141,146],"favorable":[33],"propagation":[35],"environment":[36],"for":[37],"IoT":[38],"terminals":[39],"achieve":[41,181],"high":[42],"spectrum":[43],"energy":[45,76],"efficiencies.":[46],"To":[47],"take":[48],"full":[49],"advantage":[50],"these":[52],"two":[53],"technologies,":[54],"this":[55],"article":[56],"studies":[57],"optimization":[59,128,148],"IRS-assisted":[62],"multiple-input":[63],"multiple-output":[65],"(MIMO)":[66],"orthogonal":[67],"frequency":[68],"division":[69],"multiplexing":[70],"(OFDM)":[71],"SWIPT":[72],"system":[73],"with":[74],"nonlinear":[75],"harvesting":[77],"(EH)":[78],"model.":[79],"In":[80],"particular,":[81],"we":[82,124,138],"aim":[83],"maximize":[85],"achievable":[87,167],"data":[88,168],"rate":[89,169],"by":[90],"jointly":[91],"designing":[92],"transmit":[94,111],"precoding":[95],"matrices,":[96],"IRS":[98],"matrix,":[99],"well":[101],"splitting":[105],"(PS)":[106],"ratio":[107],"subject":[108],"harvested":[114],"constraints.":[116],"Since":[117],"formulated":[119],"problem":[120],"is":[121],"highly":[122],"nonconvex,":[123],"develop":[125],"alternating":[127],"(AO)-based":[129],"algorithm":[130,143,162,179],"find":[132],"high-quality":[134],"suboptimal":[135],"solution.":[136],"Moreover,":[137],"further":[139],"design":[140],"heuristic":[142,177],"based":[144],"on":[145],"two-stage":[147],"strategy":[149],"reduce":[151],"computational":[153],"complexity.":[154],"Simulation":[155],"results":[156],"verify":[157],"that":[158],"proposed":[160,176],"AO-based":[161,186],"significantly":[164],"improve":[165],"compared":[170],"conventional":[172],"benchmarks,":[173],"low-complexity":[178],"comparable":[182],"performance":[183],"algorithm.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":16},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
