{"id":"https://openalex.org/W1503432683","doi":"https://doi.org/10.1109/vetecs.2011.5956755","title":"Dynamic Pilot Allocation Channel Estimation with Spatial Multiplexing for MIMO-OFDM Systems","display_name":"Dynamic Pilot Allocation Channel Estimation with Spatial Multiplexing for MIMO-OFDM Systems","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W1503432683","doi":"https://doi.org/10.1109/vetecs.2011.5956755","mag":"1503432683"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956755","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956755","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/A5100361021","display_name":"Li Li","orcid":"https://orcid.org/0000-0001-7303-2538"},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Li Li","raw_affiliation_strings":["Communications Research Group, Department of Electronics, University of York, York, UK","Dept. of Electron., Univ. of York, York, UK#TAB#"],"affiliations":[{"raw_affiliation_string":"Communications Research Group, Department of Electronics, University of York, York, UK","institution_ids":["https://openalex.org/I52099693"]},{"raw_affiliation_string":"Dept. of Electron., Univ. of York, York, UK#TAB#","institution_ids":["https://openalex.org/I52099693"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049028312","display_name":"Rodrigo C. de Lamare","orcid":"https://orcid.org/0000-0003-2322-6451"},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rodrigo C. de Lamare","raw_affiliation_strings":["Communications Research Group, Department of Electronics, University of York, York, UK","Dept. of Electron., Univ. of York, York, UK#TAB#"],"affiliations":[{"raw_affiliation_string":"Communications Research Group, Department of Electronics, University of York, York, UK","institution_ids":["https://openalex.org/I52099693"]},{"raw_affiliation_string":"Dept. of Electron., Univ. of York, York, UK#TAB#","institution_ids":["https://openalex.org/I52099693"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072939307","display_name":"Alister G. Burr","orcid":"https://orcid.org/0000-0001-6435-3962"},"institutions":[{"id":"https://openalex.org/I52099693","display_name":"University of York","ror":"https://ror.org/04m01e293","country_code":"GB","type":"education","lineage":["https://openalex.org/I52099693"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alister G. Burr","raw_affiliation_strings":["Communications Research Group, Department of Electronics, University of York, York, UK","Dept. of Electron., Univ. of York, York, UK#TAB#"],"affiliations":[{"raw_affiliation_string":"Communications Research Group, Department of Electronics, University of York, York, UK","institution_ids":["https://openalex.org/I52099693"]},{"raw_affiliation_string":"Dept. of Electron., Univ. of York, York, UK#TAB#","institution_ids":["https://openalex.org/I52099693"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100361021"],"corresponding_institution_ids":["https://openalex.org/I52099693"],"apc_list":null,"apc_paid":null,"fwci":0.5299,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67864781,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"30","issue":null,"first_page":"1","last_page":"5"},"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":0.9998999834060669,"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/T11409","display_name":"Advanced Wireless Network Optimization","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7436513304710388},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6605011224746704},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.610542356967926},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.5933329463005066},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5176389813423157},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4895647466182709},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4396839141845703},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.42580434679985046},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.41642093658447266},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.36717188358306885},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18389686942100525}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7436513304710388},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6605011224746704},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.610542356967926},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.5933329463005066},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5176389813423157},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4895647466182709},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4396839141845703},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.42580434679985046},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.41642093658447266},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.36717188358306885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18389686942100525},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2011.5956755","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956755","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1965392255","https://openalex.org/W2114004090","https://openalex.org/W2121051729","https://openalex.org/W2128835302","https://openalex.org/W2133696480","https://openalex.org/W2134400130","https://openalex.org/W2141215853","https://openalex.org/W2144366564","https://openalex.org/W2145712675","https://openalex.org/W2147507815","https://openalex.org/W2149587304","https://openalex.org/W2157195543","https://openalex.org/W2158377227","https://openalex.org/W2160015451","https://openalex.org/W2161094289","https://openalex.org/W2167466178","https://openalex.org/W2171521862","https://openalex.org/W2415543626","https://openalex.org/W2490749045","https://openalex.org/W3148388057","https://openalex.org/W4285719527","https://openalex.org/W6716268505"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W1823550417","https://openalex.org/W2147186021","https://openalex.org/W4200390541","https://openalex.org/W4321843682","https://openalex.org/W2151541251","https://openalex.org/W2132453830","https://openalex.org/W2059919254","https://openalex.org/W1945722682"],"abstract_inverted_index":{"In":[0],"this":[1,137],"paper,":[2],"we":[3],"investigate":[4],"a":[5],"dynamic":[6,138],"pilot":[7,25,38,47,98,139],"allocation":[8,39,48],"algorithm":[9],"for":[10,30,75,94],"Discrete":[11],"Fourier":[12],"Transform":[13],"(DFT)-based":[14],"channel":[15,72],"estimation":[16,73],"in":[17,68],"MIMO-OFDM":[18],"systems,":[19],"which":[20],"employs":[21],"feedback":[22,44],"to":[23,27,51,62,80,106,127],"adapt":[24],"locations":[26,99],"mobile":[28],"channels":[29],"different":[31,76],"receivers":[32,77,135],"(ZF-linear,":[33],"ZF-SIC,":[34],"MMSE-linear,":[35],"MMSE-SIC).":[36],"The":[37,97],"is":[40],"dynamically":[41],"controlled":[42],"by":[43,136],"of":[45,58,71,85,119],"the":[46,59,69,82,129],"index":[49],"so":[50],"optimize":[52],"SER":[53],"performance.":[54],"Furthermore,":[55],"mathematical":[56],"expressions":[57],"instantaneous":[60],"signal":[61],"interference":[63],"and":[64],"noise":[65],"ratio":[66],"(SINR)":[67],"presence":[70],"error":[74,83,91,104,116],"are":[78,100,125],"derived":[79],"obtain":[81],"probabilities":[84,105,117],"data":[86,108],"subcarriers":[87,113],"through":[88],"an":[89],"approximate":[90],"probability":[92],"function":[93],"MPSK":[95],"modulation.":[96],"based":[101],"on":[102],"these":[103,112,134],"avoid":[107],"symbols":[109],"transmitted":[110],"over":[111,121],"with":[114,133],"high":[115],"instead":[118],"pilots":[120],"them.":[122],"Simulation":[123],"results":[124],"provided":[126],"illustrate":[128],"performance":[130],"gains":[131],"achieved":[132],"allocation.":[140]},"counts_by_year":[{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}