{"id":"https://openalex.org/W2129675292","doi":"https://doi.org/10.1109/iswcs.2009.5285270","title":"Preamble-based SNR estimation algorithm for wireless MIMO OFDM systems","display_name":"Preamble-based SNR estimation algorithm for wireless MIMO OFDM systems","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W2129675292","doi":"https://doi.org/10.1109/iswcs.2009.5285270","mag":"2129675292"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2009.5285270","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2009.5285270","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 6th International Symposium on Wireless Communication Systems","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/A5103887505","display_name":"Milan \u017divkovi\u0107","orcid":null},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Milan Zivkovic","raw_affiliation_strings":["Institute of Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","Institute for Theoretical Information Technology RWTH Aachen University, D-52056 Aachen, Germany#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Institute for Theoretical Information Technology RWTH Aachen University, D-52056 Aachen, Germany#TAB#","institution_ids":["https://openalex.org/I887968799"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066277118","display_name":"Rudolf Mathar","orcid":"https://orcid.org/0000-0002-9585-605X"},"institutions":[{"id":"https://openalex.org/I887968799","display_name":"RWTH Aachen University","ror":"https://ror.org/04xfq0f34","country_code":"DE","type":"education","lineage":["https://openalex.org/I887968799"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rudolf Mathar","raw_affiliation_strings":["Institute of Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","Institute for Theoretical Information Technology RWTH Aachen University, D-52056 Aachen, Germany#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Theoretical Information Technology, RWTH Aachen University, Aachen, Germany","institution_ids":["https://openalex.org/I887968799"]},{"raw_affiliation_string":"Institute for Theoretical Information Technology RWTH Aachen University, D-52056 Aachen, Germany#TAB#","institution_ids":["https://openalex.org/I887968799"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I887968799"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"96","last_page":"100"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991999864578247,"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/preamble","display_name":"Preamble","score":0.8459770083427429},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7956913709640503},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.6860476136207581},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6596938371658325},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6421393156051636},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.6259149312973022},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5692606568336487},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5017204284667969},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.46925851702690125},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4516547918319702},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.44792696833610535},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38009676337242126},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3313438892364502},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17328014969825745},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1547885537147522}],"concepts":[{"id":"https://openalex.org/C2780691134","wikidata":"https://www.wikidata.org/wiki/Q1129448","display_name":"Preamble","level":3,"score":0.8459770083427429},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7956913709640503},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.6860476136207581},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6596938371658325},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6421393156051636},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.6259149312973022},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5692606568336487},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5017204284667969},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.46925851702690125},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4516547918319702},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.44792696833610535},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38009676337242126},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3313438892364502},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17328014969825745},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1547885537147522}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iswcs.2009.5285270","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2009.5285270","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 6th International Symposium on Wireless Communication Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:publications.rwth-aachen.de:127003","is_oa":false,"landing_page_url":"https://publications.rwth-aachen.de/record/127003","pdf_url":null,"source":{"id":"https://openalex.org/S4306401362","display_name":"RWTH Publications (RWTH Aachen)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I887968799","host_organization_name":"RWTH Aachen University","host_organization_lineage":["https://openalex.org/I887968799"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"2009 6th International Symposium on Wireless Communication Systems (ISWCS 2009) : Siena, Italy, 7 - 10 September 2009 / IEEE. [General chair: Giovanni Giambene]<br/>2009 6. International Symposium on Wireless Communication Systems, ISWCS 2009, Siena, Italy, 2009-09-07 - 2009-09-10","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.5899999737739563,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2100459091","https://openalex.org/W2100500752","https://openalex.org/W2114004090","https://openalex.org/W2124969302","https://openalex.org/W2145614561","https://openalex.org/W2148340048","https://openalex.org/W2159043079"],"related_works":["https://openalex.org/W2104421608","https://openalex.org/W2606162559","https://openalex.org/W2120825387","https://openalex.org/W2574894588","https://openalex.org/W1976817570","https://openalex.org/W2133436142","https://openalex.org/W2155572290","https://openalex.org/W2056657278","https://openalex.org/W1501039677","https://openalex.org/W3161598161"],"abstract_inverted_index":{"Orthogonal":[0],"frequency":[1,13,119,132],"division":[2],"multiplexing":[3],"(OFDM)":[4],"offers":[5],"high":[6],"data":[7,38],"rates":[8],"and":[9,36,92],"robust":[10,124],"performance":[11,106,125],"in":[12,130],"selective":[14,133],"channels":[15,114],"by":[16],"link":[17,34],"adaptation":[18],"utilizing":[19],"information":[20],"about":[21],"the":[22,48,70,73,80,85,98,108],"channel":[23],"quality.":[24],"Combined":[25],"with":[26,115],"multiple-input":[27],"multiple-output":[28],"(MIMO)":[29],"technique":[30],"it":[31],"provides":[32],"improved":[33],"reliability":[35],"increased":[37],"rate.":[39],"A":[40],"crucial":[41],"parameter":[42],"required":[43],"for":[44,62,84,113],"adaptive":[45],"transmission":[46],"is":[47,82,111],"signal-to-noise":[49],"ratio":[50],"(SNR).":[51],"In":[52],"this":[53],"paper,":[54],"we":[55],"propose":[56],"a":[57],"novel":[58],"SNR":[59,91],"estimation":[60,88],"algorithm":[61,110,128],"wireless":[63],"2times2":[64],"MIMO":[65],"OFDM":[66],"systems":[67],"based":[68,96],"on":[69,97],"reuse":[71],"of":[72,79,89,101,107,118,126],"synchronization":[74],"preamble.":[75],"The":[76,105],"periodic":[77],"structure":[78],"preamble":[81,103],"utilized":[83],"computationally":[86],"efficient":[87],"average":[90],"SNRs":[93],"per":[94],"subcarrier,":[95],"second-order":[99],"moments":[100],"received":[102],"samples.":[104],"proposed":[109,127],"assessed":[112],"different":[116],"levels":[117],"selectivity.":[120],"Simulation":[121],"results":[122],"show":[123],"even":[129],"strong":[131],"channels.":[134]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}