{"id":"https://openalex.org/W3012404673","doi":"https://doi.org/10.1109/tcomm.2019.2958322","title":"Correlation-Based LTI Channel Estimation for Multi-Wavelength Optical Scattering NLOS Communication","display_name":"Correlation-Based LTI Channel Estimation for Multi-Wavelength Optical Scattering NLOS Communication","publication_year":2020,"publication_date":"2020-03-01","ids":{"openalex":"https://openalex.org/W3012404673","doi":"https://doi.org/10.1109/tcomm.2019.2958322","mag":"3012404673"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2019.2958322","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2019.2958322","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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/A5045683791","display_name":"Beiyuan Liu","orcid":"https://orcid.org/0000-0002-8649-6507"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Beiyuan Liu","raw_affiliation_strings":["Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100679028","display_name":"Chen Gong","orcid":"https://orcid.org/0000-0002-7150-0024"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Gong","raw_affiliation_strings":["Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045995606","display_name":"Julian Cheng","orcid":"https://orcid.org/0000-0001-6310-8236"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]},{"id":"https://openalex.org/I4405260628","display_name":"University of British Columbia, Okanagan Campus","ror":"https://ror.org/04241wz75","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490","https://openalex.org/I4405260628"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Julian Cheng","raw_affiliation_strings":["School of Engineering, The University of British Columbia, Kelowna, Canada"],"affiliations":[{"raw_affiliation_string":"School of Engineering, The University of British Columbia, Kelowna, Canada","institution_ids":["https://openalex.org/I141945490","https://openalex.org/I4405260628"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072373301","display_name":"Zhengyuan Xu","orcid":"https://orcid.org/0000-0001-9075-8875"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengyuan Xu","raw_affiliation_strings":["Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Key Laboratory of Wireless-Optical Communications, Chinese Academy of Sciences, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5045683791"],"corresponding_institution_ids":["https://openalex.org/I126520041","https://openalex.org/I19820366"],"apc_list":null,"apc_paid":null,"fwci":0.7262,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.69787253,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"68","issue":"3","first_page":"1648","last_page":"1661"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10851","display_name":"Optical 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/T10851","display_name":"Optical 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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9997000098228455,"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/T10205","display_name":"Advanced Fiber Optic Sensors","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"}}],"keywords":[{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7443010807037354},{"id":"https://openalex.org/keywords/non-line-of-sight-propagation","display_name":"Non-line-of-sight propagation","score":0.583294689655304},{"id":"https://openalex.org/keywords/wavelength","display_name":"Wavelength","score":0.5032562613487244},{"id":"https://openalex.org/keywords/impulse","display_name":"Impulse (physics)","score":0.4658653736114502},{"id":"https://openalex.org/keywords/pilot-signal","display_name":"Pilot signal","score":0.4647592306137085},{"id":"https://openalex.org/keywords/impulse-response","display_name":"Impulse response","score":0.4538780450820923},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45149630308151245},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4338723123073578},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42602449655532837},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.342182457447052},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27600300312042236},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.249718576669693},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21767091751098633},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21512070298194885},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21417495608329773}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7443010807037354},{"id":"https://openalex.org/C154910267","wikidata":"https://www.wikidata.org/wiki/Q1740982","display_name":"Non-line-of-sight propagation","level":3,"score":0.583294689655304},{"id":"https://openalex.org/C6260449","wikidata":"https://www.wikidata.org/wiki/Q41364","display_name":"Wavelength","level":2,"score":0.5032562613487244},{"id":"https://openalex.org/C70836080","wikidata":"https://www.wikidata.org/wiki/Q837940","display_name":"Impulse (physics)","level":2,"score":0.4658653736114502},{"id":"https://openalex.org/C197264572","wikidata":"https://www.wikidata.org/wiki/Q2095206","display_name":"Pilot signal","level":3,"score":0.4647592306137085},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.4538780450820923},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45149630308151245},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4338723123073578},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42602449655532837},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.342182457447052},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27600300312042236},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.249718576669693},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21767091751098633},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21512070298194885},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21417495608329773},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"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/tcomm.2019.2958322","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2019.2958322","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","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":0.49000000953674316}],"awards":[{"id":"https://openalex.org/G2009500703","display_name":null,"funder_award_id":"2018YFB1801904","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G3982037538","display_name":null,"funder_award_id":"QYZDY-SSW-JSC003","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"id":"https://openalex.org/G6584467970","display_name":null,"funder_award_id":"61631018","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/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":30,"referenced_works":["https://openalex.org/W253034624","https://openalex.org/W1519295021","https://openalex.org/W1609974528","https://openalex.org/W1667973931","https://openalex.org/W1860498259","https://openalex.org/W1978415541","https://openalex.org/W1983254712","https://openalex.org/W2012213102","https://openalex.org/W2022268343","https://openalex.org/W2030450686","https://openalex.org/W2033473301","https://openalex.org/W2058419677","https://openalex.org/W2061683229","https://openalex.org/W2104209368","https://openalex.org/W2118908629","https://openalex.org/W2135122391","https://openalex.org/W2143544124","https://openalex.org/W2170260879","https://openalex.org/W2203861587","https://openalex.org/W2307838865","https://openalex.org/W2481360139","https://openalex.org/W2511579192","https://openalex.org/W2621228180","https://openalex.org/W2793955407","https://openalex.org/W2887761101","https://openalex.org/W2903042318","https://openalex.org/W2956917502","https://openalex.org/W4241600324","https://openalex.org/W6609409103","https://openalex.org/W6636374353"],"related_works":["https://openalex.org/W2172272784","https://openalex.org/W4307436769","https://openalex.org/W4323793210","https://openalex.org/W2366306259","https://openalex.org/W3101720559","https://openalex.org/W2143447014","https://openalex.org/W2109871577","https://openalex.org/W2358825988","https://openalex.org/W2307838865","https://openalex.org/W1975973603"],"abstract_inverted_index":{"Strong":[0],"correlation":[1,25],"of":[2,26],"link":[3],"gains":[4],"over":[5,143],"multiple":[6],"wavelengths":[7,49,85],"has":[8],"been":[9],"demonstrated":[10],"in":[11],"non-line-of-sight":[12],"optical":[13],"wireless":[14],"scattering":[15],"communication.":[16],"In":[17],"this":[18],"paper,":[19],"we":[20,63],"further":[21,112],"demonstrate":[22],"the":[23,27,60,71,76,91,95,99,109,118,126,144,149,156],"strong":[24],"channel":[28,36,57,72,80,97,100,120,128,150,157],"impulse":[29],"responses":[30],"for":[31,83,117],"different":[32],"wavelengths.":[33],"A":[34],"novel":[35],"estimation":[37,101,121,151],"method":[38,68,116],"is":[39,153],"proposed":[40,96],"based":[41,89,124],"on":[42,90,125],"such":[43],"correlation,":[44],"where":[45],"only":[46],"certain":[47],"reference":[48],"are":[50],"assigned":[51,58],"with":[52],"pilot":[53,61,122,136,146],"signals.":[54],"On":[55],"each":[56],"by":[59,108],"signal,":[62],"adopt":[64],"an":[65,114],"improved":[66,105],"least-squares":[67],"to":[69,155],"estimate":[70],"tap":[73,77,81],"coefficients":[74,82],"and":[75],"length.":[78],"The":[79],"other":[84],"can":[86,103,138],"be":[87,104],"estimated":[88],"inter-wavelength":[92],"correlation.":[93],"Under":[94],"estimation,":[98],"accuracy":[102],"as":[106],"shown":[107],"simulations.":[110],"We":[111],"propose":[113],"optimization":[115],"correlation-based":[119],"pattern":[123,137],"receiver":[127],"state":[129,158],"feedback.":[130],"Simulation":[131],"results":[132],"show":[133],"that":[134],"optimized":[135],"achieve":[139],"significant":[140],"performance":[141,152],"gain":[142],"fixed":[145],"pattern.":[147],"Moreover,":[148],"insensitive":[154],"feedback":[159],"frequency.":[160]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-03-26T15:22:09.906841","created_date":"2025-10-10T00:00:00"}