{"id":"https://openalex.org/W4317038526","doi":"https://doi.org/10.1109/lwc.2023.3237232","title":"Performance Analysis of RIS-Assisted Communications With Element Grouping and Spatial Correlation","display_name":"Performance Analysis of RIS-Assisted Communications With Element Grouping and Spatial Correlation","publication_year":2023,"publication_date":"2023-01-17","ids":{"openalex":"https://openalex.org/W4317038526","doi":"https://doi.org/10.1109/lwc.2023.3237232"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2023.3237232","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3237232","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless 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/A5103059865","display_name":"Zan Li","orcid":"https://orcid.org/0000-0003-3053-7741"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Zan Li","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-3053-7741","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008078639","display_name":"Neel Kanth Kundu","orcid":"https://orcid.org/0000-0002-6439-4024"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Neel Kanth Kundu","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6439-4024","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040194064","display_name":"Junhui Rao","orcid":"https://orcid.org/0000-0001-6247-3223"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Junhui Rao","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-6247-3223","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015890986","display_name":"Shanpu Shen","orcid":"https://orcid.org/0000-0001-8487-2903"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Shanpu Shen","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0001-8487-2903","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091126453","display_name":"Matthew R. McKay","orcid":"https://orcid.org/0000-0002-8086-2545"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]},{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["AU","HK"],"is_corresponding":false,"raw_author_name":"Matthew R. McKay","raw_affiliation_strings":["Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne, VIC, Australia"],"raw_orcid":"https://orcid.org/0000-0002-8086-2545","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Melbourne, Melbourne, VIC, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004541948","display_name":"Ross Murch","orcid":"https://orcid.org/0000-0002-2527-7693"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Ross Murch","raw_affiliation_strings":["Department of Electronic and Computer Engineering and the Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-2527-7693","affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering and the Institute for Advanced Study, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong","institution_ids":["https://openalex.org/I200769079","https://openalex.org/I889458895"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.3228,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.88424949,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"12","issue":"4","first_page":"630","last_page":"634"},"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/T12989","display_name":"Ocular Disorders and Treatments","score":0.9728000164031982,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9526000022888184,"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/spatial-correlation","display_name":"Spatial correlation","score":0.7341580390930176},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6739773154258728},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6472786664962769},{"id":"https://openalex.org/keywords/uncorrelated","display_name":"Uncorrelated","score":0.5325673222541809},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49258142709732056},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4800359010696411},{"id":"https://openalex.org/keywords/correlation","display_name":"Correlation","score":0.4651170074939728},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4612492620944977},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.4422356188297272},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.43597960472106934},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4260452389717102},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3827317953109741},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.187088280916214},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.11260220408439636},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10849869251251221}],"concepts":[{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.7341580390930176},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6739773154258728},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6472786664962769},{"id":"https://openalex.org/C169345407","wikidata":"https://www.wikidata.org/wiki/Q8216221","display_name":"Uncorrelated","level":2,"score":0.5325673222541809},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49258142709732056},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4800359010696411},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.4651170074939728},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4612492620944977},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4422356188297272},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.43597960472106934},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4260452389717102},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3827317953109741},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.187088280916214},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.11260220408439636},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10849869251251221},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lwc.2023.3237232","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2023.3237232","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-124624","is_oa":false,"landing_page_url":"https://repository.hkust.edu.hk/ir/Record/1783.1-124624","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3144705399","display_name":null,"funder_award_id":"C6012-20G","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"}],"funders":[{"id":"https://openalex.org/F4320321592","display_name":"Research Grants Council, University Grants Committee","ror":"https://ror.org/00djwmt25"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2981174761","https://openalex.org/W2985244511","https://openalex.org/W2990747873","https://openalex.org/W3000522337","https://openalex.org/W3008356568","https://openalex.org/W3011747750","https://openalex.org/W3043220753","https://openalex.org/W3080299781","https://openalex.org/W3084194173","https://openalex.org/W3085280677","https://openalex.org/W3103991536","https://openalex.org/W3117633996","https://openalex.org/W3121776523","https://openalex.org/W3129486236","https://openalex.org/W3159558365","https://openalex.org/W3165711719","https://openalex.org/W3200128456","https://openalex.org/W3205229274","https://openalex.org/W3216433467","https://openalex.org/W4206468623","https://openalex.org/W4241613480","https://openalex.org/W4300033818"],"related_works":["https://openalex.org/W2360779366","https://openalex.org/W2027155377","https://openalex.org/W1504916935","https://openalex.org/W1995027010","https://openalex.org/W4390523528","https://openalex.org/W2076370413","https://openalex.org/W4287159942","https://openalex.org/W3169824874","https://openalex.org/W3171305578","https://openalex.org/W2510209540"],"abstract_inverted_index":{"We":[0],"investigate":[1],"the":[2,24,27,43,51,64,68,75,87,90,100,104,108,113,116,123,135,143],"performance":[3],"of":[4,50,67,89,107,115],"a":[5,128],"reconfigurable":[6],"intelligent":[7],"surface":[8],"(RIS)":[9],"assisted":[10],"single-input":[11],"single-output":[12],"(SISO)":[13],"communication":[14],"system":[15],"where":[16],"RIS":[17,28,36,138],"elements":[18,29,37,139],"are":[19,32,38,55,60],"narrowly":[20],"spaced":[21],"so":[22],"that":[23,122],"channels":[25],"between":[26],"and":[30,58,93,103],"receiver":[31],"spatially":[33,136],"correlated.":[34],"Adjacent":[35],"grouped":[39],"together":[40],"to":[41,62,142],"reduce":[42],"channel":[44,96],"estimation":[45],"overhead.":[46],"The":[47],"statistical":[48],"properties":[49],"optimal":[52],"received":[53],"SNR":[54],"analytically":[56],"derived":[57],"these":[59],"used":[61],"characterize":[63],"coverage":[65,101],"probability":[66,102],"system.":[69,109],"An":[70],"analytical":[71],"upper":[72],"bound":[73],"for":[74,127,134],"average":[76,124],"achievable":[77,105,125],"rate":[78,106,126],"is":[79,132],"also":[80],"derived.":[81],"This":[82],"analysis":[83],"provides":[84],"insight":[85],"into":[86],"impact":[88],"grouping":[91],"strategy":[92],"element":[94],"spatial":[95],"correlation":[97],"level":[98],"on":[99],"Numerical":[110],"results":[111,120],"validate":[112],"tightness":[114],"closed-form":[117],"expressions.":[118],"Our":[119],"show":[121],"given":[129],"group":[130],"size":[131],"higher":[133],"correlated":[137],"as":[140],"compared":[141],"uncorrelated":[144],"configuration.":[145]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
