{"id":"https://openalex.org/W4385801258","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200008","title":"A Low-Complexity Solution to Sum Rate Maximization for IRS-assisted SWIPT-MIMO Broadcasting","display_name":"A Low-Complexity Solution to Sum Rate Maximization for IRS-assisted SWIPT-MIMO Broadcasting","publication_year":2023,"publication_date":"2023-06-01","ids":{"openalex":"https://openalex.org/W4385801258","doi":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200008"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2023-spring57618.2023.10200008","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200008","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5082991790","display_name":"Vaibhav Kumar","orcid":"https://orcid.org/0000-0002-2374-1317"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Vaibhav Kumar","raw_affiliation_strings":["University College Dublin,School of Electrical and Electronic Engineering,Ireland","School of Electrical and Electronic Engineering, University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College Dublin,School of Electrical and Electronic Engineering,Ireland","institution_ids":["https://openalex.org/I100930933"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055961126","display_name":"Anastasios Papazafeiropoulos","orcid":"https://orcid.org/0000-0003-1841-6461"},"institutions":[{"id":"https://openalex.org/I141584323","display_name":"University of Hertfordshire","ror":"https://ror.org/0267vjk41","country_code":"GB","type":"education","lineage":["https://openalex.org/I141584323"]},{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]},{"id":"https://openalex.org/I4405259781","display_name":"Interdisciplinary Centre for Security, Reliability and Trust","ror":"https://ror.org/02qav7c04","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}],"countries":["GB","LU"],"is_corresponding":false,"raw_author_name":"Anastasios Papazafeiropoulos","raw_affiliation_strings":["University of Hertfordshire,Communications and Intelligent Systems Research Group,Hatfield,U.K.,AL10 9AB","Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Hertfordshire,Communications and Intelligent Systems Research Group,Hatfield,U.K.,AL10 9AB","institution_ids":["https://openalex.org/I141584323"]},{"raw_affiliation_string":"Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577","https://openalex.org/I4405259781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078871395","display_name":"Muhammad Fainan Hanif","orcid":"https://orcid.org/0000-0002-0273-8258"},"institutions":[{"id":"https://openalex.org/I172780181","display_name":"University of the Punjab","ror":"https://ror.org/011maz450","country_code":"PK","type":"education","lineage":["https://openalex.org/I172780181"]}],"countries":["PK"],"is_corresponding":false,"raw_author_name":"Muhammad Fainan Hanif","raw_affiliation_strings":["University of the Punjab,Institute of Electrical, Electronics and Computer Engineering,Lahore,Pakistan","Institute of Electrical, Electronics and Computer Engineering, University of the Punjab, Lahore, Pakistan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of the Punjab,Institute of Electrical, Electronics and Computer Engineering,Lahore,Pakistan","institution_ids":["https://openalex.org/I172780181"]},{"raw_affiliation_string":"Institute of Electrical, Electronics and Computer Engineering, University of the Punjab, Lahore, Pakistan","institution_ids":["https://openalex.org/I172780181"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008843672","display_name":"Le\u2010Nam Tran","orcid":"https://orcid.org/0000-0002-9317-9980"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Le-Nam Tran","raw_affiliation_strings":["University College Dublin,School of Electrical and Electronic Engineering,Ireland","School of Electrical and Electronic Engineering, University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College Dublin,School of Electrical and Electronic Engineering,Ireland","institution_ids":["https://openalex.org/I100930933"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5014330907","display_name":"Mark F. Flanagan","orcid":"https://orcid.org/0000-0001-6552-7020"},"institutions":[{"id":"https://openalex.org/I100930933","display_name":"University College Dublin","ror":"https://ror.org/05m7pjf47","country_code":"IE","type":"education","lineage":["https://openalex.org/I100930933"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Mark F. Flanagan","raw_affiliation_strings":["University College Dublin,School of Electrical and Electronic Engineering,Ireland","School of Electrical and Electronic Engineering, University College Dublin, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University College Dublin,School of Electrical and Electronic Engineering,Ireland","institution_ids":["https://openalex.org/I100930933"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University College Dublin, Ireland","institution_ids":["https://openalex.org/I100930933"]}]}],"institutions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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":0.9980999827384949,"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":0.9828000068664551,"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/computer-science","display_name":"Computer science","score":0.678864598274231},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6102502346038818},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.5967473387718201},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5908596515655518},{"id":"https://openalex.org/keywords/coordinate-descent","display_name":"Coordinate descent","score":0.5414758324623108},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5164682865142822},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.4961725175380707},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.44679805636405945},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.4307402968406677},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.42657166719436646},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.42415130138397217},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37231332063674927},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.2577846050262451},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22429165244102478},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.1373567283153534},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12804627418518066}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.678864598274231},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6102502346038818},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.5967473387718201},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5908596515655518},{"id":"https://openalex.org/C157553263","wikidata":"https://www.wikidata.org/wiki/Q5168004","display_name":"Coordinate descent","level":2,"score":0.5414758324623108},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5164682865142822},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.4961725175380707},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.44679805636405945},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.4307402968406677},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.42657166719436646},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.42415130138397217},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37231332063674927},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.2577846050262451},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22429165244102478},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.1373567283153534},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12804627418518066},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2023-spring57618.2023.10200008","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2023-spring57618.2023.10200008","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320320847","display_name":"Science Foundation Ireland","ror":"https://ror.org/0271asj38"},{"id":"https://openalex.org/F4320321056","display_name":"Irish Research Council","ror":"https://ror.org/051xex213"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W2064191652","https://openalex.org/W2968389137","https://openalex.org/W2996961035","https://openalex.org/W3036056878","https://openalex.org/W3038534820","https://openalex.org/W3045209834","https://openalex.org/W3158356126","https://openalex.org/W3203083747","https://openalex.org/W3208089585","https://openalex.org/W3211257091","https://openalex.org/W3215231825","https://openalex.org/W4285300455","https://openalex.org/W4312418390"],"related_works":["https://openalex.org/W3087844490","https://openalex.org/W3090699061","https://openalex.org/W4387546583","https://openalex.org/W2051762234","https://openalex.org/W2131408743","https://openalex.org/W2055634632","https://openalex.org/W2787827467","https://openalex.org/W4367031485","https://openalex.org/W3114941719","https://openalex.org/W4386883085"],"abstract_inverted_index":{"This":[0],"paper":[1],"focuses":[2],"on":[3],"the":[4,9,46,53,56,61,66,69,81,85,107,116,131,134,137,143,151,157,160],"fundamental":[5],"problem":[6,73],"of":[7,136,145,150,159,162],"maximizing":[8],"achievable":[10],"weighted":[11],"sum":[12],"rate":[13],"(WSR)":[14],"at":[15,45],"information":[16,28],"receivers":[17,48],"(IRs)":[18],"in":[19,65,84],"an":[20,96],"intelligent":[21],"reflecting":[22],"surface":[23],"(IRS)":[24],"assisted":[25],"simultaneous":[26],"wireless":[27],"and":[29,60,93],"power":[30],"transfer":[31],"system":[32],"under":[33],"a":[34,41,88,103,123],"multiple-input":[35],"multiple-output":[36],"(SWIPT-MIMO)":[37],"setting,":[38],"subject":[39],"to":[40,52,76,101,106,119,156],"quality-of-service":[42],"(QoS)":[43],"constraint":[44],"energy":[47],"(ERs).":[49],"Notably,":[50],"due":[51],"coupling":[54],"between":[55],"transmit":[57],"precoding":[58],"matrix":[59],"passive":[62],"beamforming":[63],"vector":[64],"QoS":[67],"constraint,":[68],"formulated":[70],"non-convex":[71],"optimization":[72,109],"is":[74,154],"challenging":[75],"solve.":[77],"We":[78],"first":[79],"decouple":[80],"design":[82],"variables":[83],"constraints":[86],"following":[87],"penalty":[89],"dual":[90],"decomposition":[91],"method,":[92],"then":[94],"apply":[95],"alternating":[97],"gradient":[98],"projection":[99],"algorithm":[100,113],"achieve":[102],"stationary":[104],"solution":[105],"reformulated":[108],"problem.":[110],"The":[111],"proposed":[112,138],"nearly":[114],"doubles":[115],"WSR":[117],"compared":[118],"that":[120,149],"achieved":[121],"by":[122],"block-coordinate":[124],"descent":[125],"(BCD)":[126],"based":[127],"benchmark":[128,152],"scheme.":[129],"At":[130],"same":[132],"time,":[133],"complexity":[135],"scheme":[139,153],"grows":[140],"linearly":[141],"with":[142],"number":[144,161],"IRS":[146,163],"elements":[147],"while":[148],"proportional":[155],"cube":[158],"elements.":[164]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}