{"id":"https://openalex.org/W2141225144","doi":"https://doi.org/10.1109/vetecs.2011.5956429","title":"Particle Swarm Enhanced Graph-Based Channel Estimation for MIMO-OFDM","display_name":"Particle Swarm Enhanced Graph-Based Channel Estimation for MIMO-OFDM","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2141225144","doi":"https://doi.org/10.1109/vetecs.2011.5956429","mag":"2141225144"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956429","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956429","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","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/A5069878352","display_name":"Christopher Knievel","orcid":null},"institutions":[{"id":"https://openalex.org/I32021983","display_name":"Kiel University","ror":"https://ror.org/04v76ef78","country_code":"DE","type":"education","lineage":["https://openalex.org/I32021983"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Christopher Knievel","raw_affiliation_strings":["Information and Coding Theory Laboratory Faculty of Engineering, University of Kiel, Kiel, Germany","Inf. & Coding Theor. Lab., Univ. of Kiel, Kiel, Germany"],"affiliations":[{"raw_affiliation_string":"Information and Coding Theory Laboratory Faculty of Engineering, University of Kiel, Kiel, Germany","institution_ids":["https://openalex.org/I32021983"]},{"raw_affiliation_string":"Inf. & Coding Theor. Lab., Univ. of Kiel, Kiel, Germany","institution_ids":["https://openalex.org/I32021983"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055112741","display_name":"Peter Adam Hoeher","orcid":"https://orcid.org/0000-0003-3475-1710"},"institutions":[{"id":"https://openalex.org/I32021983","display_name":"Kiel University","ror":"https://ror.org/04v76ef78","country_code":"DE","type":"education","lineage":["https://openalex.org/I32021983"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Peter Adam Hoeher","raw_affiliation_strings":["Information and Coding Theory Laboratory Faculty of Engineering, University of Kiel, Kiel, Germany","Inf. & Coding Theor. Lab., Univ. of Kiel, Kiel, Germany"],"affiliations":[{"raw_affiliation_string":"Information and Coding Theory Laboratory Faculty of Engineering, University of Kiel, Kiel, Germany","institution_ids":["https://openalex.org/I32021983"]},{"raw_affiliation_string":"Inf. & Coding Theor. Lab., Univ. of Kiel, Kiel, Germany","institution_ids":["https://openalex.org/I32021983"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007607277","display_name":"Alexander Tyrrell","orcid":null},"institutions":[{"id":"https://openalex.org/I4210163160","display_name":"DoCoMo Communications Laboratories Europe GmbH","ror":"https://ror.org/04qae1p49","country_code":"DE","type":"company","lineage":["https://openalex.org/I2251713219","https://openalex.org/I4210143714","https://openalex.org/I4210163160"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alexander Tyrrell","raw_affiliation_strings":["DoCoMo Conimunications Laboratories Europe GmbH, Munich, Germany","DoCoMo Euro-Labs., Munich, Germany"],"affiliations":[{"raw_affiliation_string":"DoCoMo Conimunications Laboratories Europe GmbH, Munich, Germany","institution_ids":[]},{"raw_affiliation_string":"DoCoMo Euro-Labs., Munich, Germany","institution_ids":["https://openalex.org/I4210163160"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087660328","display_name":"Gunther Auer","orcid":null},"institutions":[{"id":"https://openalex.org/I4210163160","display_name":"DoCoMo Communications Laboratories Europe GmbH","ror":"https://ror.org/04qae1p49","country_code":"DE","type":"company","lineage":["https://openalex.org/I2251713219","https://openalex.org/I4210143714","https://openalex.org/I4210163160"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gunther Auer","raw_affiliation_strings":["DoCoMo Conimunications Laboratories Europe GmbH, Munich, Germany","DoCoMo Euro-Labs., Munich, Germany"],"affiliations":[{"raw_affiliation_string":"DoCoMo Conimunications Laboratories Europe GmbH, Munich, Germany","institution_ids":[]},{"raw_affiliation_string":"DoCoMo Euro-Labs., Munich, Germany","institution_ids":["https://openalex.org/I4210163160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5069878352"],"corresponding_institution_ids":["https://openalex.org/I32021983"],"apc_list":null,"apc_paid":null,"fwci":2.1196,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.88514638,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"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/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9980000257492065,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9897000193595886,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.9185581207275391},{"id":"https://openalex.org/keywords/particle-swarm-optimization","display_name":"Particle swarm optimization","score":0.8002824783325195},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6931542158126831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.648308277130127},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6375585198402405},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6255584955215454},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5509042143821716},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5145025253295898},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.48692619800567627},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.46982383728027344},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.45317891240119934},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2134314477443695},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19375047087669373},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15259963274002075}],"concepts":[{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.9185581207275391},{"id":"https://openalex.org/C85617194","wikidata":"https://www.wikidata.org/wiki/Q2072794","display_name":"Particle swarm optimization","level":2,"score":0.8002824783325195},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6931542158126831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.648308277130127},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6375585198402405},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6255584955215454},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5509042143821716},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5145025253295898},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.48692619800567627},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.46982383728027344},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.45317891240119934},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2134314477443695},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19375047087669373},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15259963274002075},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2011.5956429","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956429","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 73rd Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1667950888","https://openalex.org/W1966264494","https://openalex.org/W2025546161","https://openalex.org/W2037481253","https://openalex.org/W2048439016","https://openalex.org/W2056414370","https://openalex.org/W2106929598","https://openalex.org/W2117853077","https://openalex.org/W2118267334","https://openalex.org/W2121031454","https://openalex.org/W2123808725","https://openalex.org/W2130509920","https://openalex.org/W2134400130","https://openalex.org/W2135501741","https://openalex.org/W2136807138","https://openalex.org/W2139386984","https://openalex.org/W2145567301","https://openalex.org/W2149959899","https://openalex.org/W2152195021","https://openalex.org/W2165171393","https://openalex.org/W2170520038","https://openalex.org/W2402846924","https://openalex.org/W3145448312","https://openalex.org/W4232023503","https://openalex.org/W6685040264"],"related_works":["https://openalex.org/W3204184292","https://openalex.org/W3176564347","https://openalex.org/W1985458517","https://openalex.org/W2355833770","https://openalex.org/W3031039437","https://openalex.org/W183202219","https://openalex.org/W3095877357","https://openalex.org/W2072565696","https://openalex.org/W2050451745","https://openalex.org/W2378903222"],"abstract_inverted_index":{"Iterative":[0],"receiver":[1],"structures":[2],"that":[3,51],"jointly":[4],"perform":[5],"channel":[6,23,41],"estimation":[7,42],"and":[8],"decoding":[9],"promise":[10],"substantial":[11],"performance":[12,66],"gains.":[13],"However,":[14],"these":[15],"gains":[16],"only":[17],"materialize":[18],"with":[19,43,58],"sufficiently":[20],"accurate":[21],"initial":[22,40],"estimates.":[24],"In":[25],"this":[26],"paper,":[27],"initialization":[28,70],"by":[29],"multi-objective":[30],"particle":[31],"swarm":[32],"optimization":[33],"(MOPSO)":[34],"is":[35,49],"investigated.":[36],"MOPSO":[37,52,69],"supports":[38],"low-complexity":[39],"superimposed":[44],"training":[45,60],"symbols.":[46],"Furthermore,":[47],"it":[48],"shown":[50],"works":[53],"well":[54],"in":[55],"rank-deficient":[56],"scenarios":[57],"arbitrary":[59],"sequences.":[61],"Numerical":[62],"results":[63],"validate":[64],"the":[65],"enhancement":[67],"of":[68],"integrated":[71],"within":[72],"a":[73],"graph-based":[74],"iterative":[75],"receiver.":[76]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
