{"id":"https://openalex.org/W3163898836","doi":"https://doi.org/10.1109/wcnc49053.2021.9417314","title":"Channel Estimation for Intelligent Reflecting Surface Assisted Wireless Communications","display_name":"Channel Estimation for Intelligent Reflecting Surface Assisted Wireless Communications","publication_year":2021,"publication_date":"2021-03-29","ids":{"openalex":"https://openalex.org/W3163898836","doi":"https://doi.org/10.1109/wcnc49053.2021.9417314","mag":"3163898836"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc49053.2021.9417314","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417314","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-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/A5024328425","display_name":"Mangqing Guo","orcid":"https://orcid.org/0000-0002-1302-8753"},"institutions":[{"id":"https://openalex.org/I70983195","display_name":"Syracuse University","ror":"https://ror.org/025r5qe02","country_code":"US","type":"education","lineage":["https://openalex.org/I70983195"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Mangqing Guo","raw_affiliation_strings":["Syracuse University, Syracuse, NY"],"affiliations":[{"raw_affiliation_string":"Syracuse University, Syracuse, NY","institution_ids":["https://openalex.org/I70983195"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076753154","display_name":"M. Cenk Gursoy","orcid":"https://orcid.org/0000-0002-7352-1013"},"institutions":[{"id":"https://openalex.org/I70983195","display_name":"Syracuse University","ror":"https://ror.org/025r5qe02","country_code":"US","type":"education","lineage":["https://openalex.org/I70983195"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. Cenk Gursoy","raw_affiliation_strings":["Syracuse University, Syracuse, NY"],"affiliations":[{"raw_affiliation_string":"Syracuse University, Syracuse, NY","institution_ids":["https://openalex.org/I70983195"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5024328425"],"corresponding_institution_ids":["https://openalex.org/I70983195"],"apc_list":null,"apc_paid":null,"fwci":0.3008,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.55014356,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9399999976158142,"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"}},{"id":"https://openalex.org/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9358000159263611,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.639017641544342},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6256621479988098},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6188281178474426},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4469418525695801},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.422367125749588},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.32636621594429016},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.17714333534240723}],"concepts":[{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.639017641544342},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6256621479988098},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6188281178474426},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4469418525695801},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.422367125749588},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32636621594429016},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17714333534240723}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc49053.2021.9417314","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417314","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1967662829","https://openalex.org/W2036374007","https://openalex.org/W2140432005","https://openalex.org/W2950077417","https://openalex.org/W2968810373","https://openalex.org/W2981792785","https://openalex.org/W2988505559","https://openalex.org/W2993316576","https://openalex.org/W3009918410","https://openalex.org/W3010695123","https://openalex.org/W3016215183","https://openalex.org/W3017311957","https://openalex.org/W3021564798","https://openalex.org/W3027118737","https://openalex.org/W3035073222","https://openalex.org/W3043220753","https://openalex.org/W3045494177","https://openalex.org/W3100536113","https://openalex.org/W3155222786","https://openalex.org/W6769781755","https://openalex.org/W6772218483","https://openalex.org/W6774345093"],"related_works":["https://openalex.org/W2111375262","https://openalex.org/W1991205173","https://openalex.org/W2109048960","https://openalex.org/W2741481635","https://openalex.org/W2038165453","https://openalex.org/W2338537463","https://openalex.org/W2183644707","https://openalex.org/W1595657826","https://openalex.org/W2098041570","https://openalex.org/W2123932472"],"abstract_inverted_index":{"In":[0,22],"this":[1],"paper,":[2],"the":[3,23,30,35,40,72,76,87,92,102,108,112,117,123,129,133,139,148,151,178],"minimum":[4],"mean":[5,88,113,125],"square":[6,89,114,126],"error":[7,115,127],"(MMSE)":[8],"channel":[9,32],"estimation":[10,131],"for":[11,71],"intelligent":[12],"reflecting":[13,136],"surface":[14],"(IRS)":[15],"assisted":[16],"wireless":[17],"communication":[18],"systems":[19],"is":[20,42,120],"investigated.":[21],"considered":[24],"setting,":[25],"each":[26,57,164],"row":[27,52],"vector":[28],"of":[29,56,75,101,116,128,135,175],"equivalent":[31,77],"matrix":[33],"from":[34],"base":[36],"station":[37],"(BS)":[38],"to":[39,44,122,142],"users":[41],"shown":[43],"be":[45],"Bessel":[46],"K":[47],"distributed,":[48],"and":[49,79,83,105,153,159,172],"all":[50],"these":[51],"vectors":[53],"are":[54,156],"independent":[55],"other.":[58],"By":[59],"introducing":[60],"a":[61,68],"Gaussian":[62],"scale":[63],"mixture":[64],"model,":[65],"we":[66,96],"obtain":[67],"closed-form":[69],"expression":[70],"MMSE":[73,103,118,130],"estimate":[74,119],"channel,":[78],"determine":[80],"analytical":[81],"upper":[82,109,152],"lower":[84,154],"bounds":[85,155],"on":[86,111],"error.":[90],"Using":[91],"central":[93],"limit":[94],"theorem,":[95],"conduct":[97],"an":[98],"asymptotic":[99,124],"analysis":[100],"estimate,":[104],"show":[106,146],"that":[107,147],"bound":[110],"equal":[121],"when":[132],"number":[134,174],"elements":[137,176],"at":[138,166,177],"IRS":[140],"tends":[141],"infinity.":[143],"Numerical":[144],"simulations":[145],"gap":[149],"between":[150],"very":[157],"small,":[158],"they":[160],"almost":[161],"overlap":[162],"with":[163],"other":[165],"medium":[167],"signal-to-noise":[168],"ratio":[169],"(SNR)":[170],"levels":[171],"moderate":[173],"IRS.":[179]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
