{"id":"https://openalex.org/W2099132055","doi":"https://doi.org/10.1109/pimrc.2007.4394035","title":"Classical Channel Estimation for OFDM based on Delay-Doppler Response","display_name":"Classical Channel Estimation for OFDM based on Delay-Doppler Response","publication_year":2007,"publication_date":"2007-09-01","ids":{"openalex":"https://openalex.org/W2099132055","doi":"https://doi.org/10.1109/pimrc.2007.4394035","mag":"2099132055"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2007.4394035","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5113691978","display_name":"Jiann\u2010Ching Guey","orcid":null},"institutions":[{"id":"https://openalex.org/I1309191912","display_name":"Research Triangle Park Foundation","ror":"https://ror.org/03eqttr49","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1309191912"]},{"id":"https://openalex.org/I4210139236","display_name":"Ericsson (United States)","ror":"https://ror.org/03q3bdj78","country_code":"US","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210139236"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jiann-Ching Guey","raw_affiliation_strings":["Ericsson Research Limited, NC, USA","Ericsson Res., Triangle Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ericsson Research Limited, NC, USA","institution_ids":["https://openalex.org/I4210139236"]},{"raw_affiliation_string":"Ericsson Res., Triangle Park","institution_ids":["https://openalex.org/I1309191912"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085560155","display_name":"Dennis Hui","orcid":"https://orcid.org/0000-0002-8489-4739"},"institutions":[{"id":"https://openalex.org/I1309191912","display_name":"Research Triangle Park Foundation","ror":"https://ror.org/03eqttr49","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1309191912"]},{"id":"https://openalex.org/I4210139236","display_name":"Ericsson (United States)","ror":"https://ror.org/03q3bdj78","country_code":"US","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210139236"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dennis Hui","raw_affiliation_strings":["Ericsson Research Limited, NC, USA","Ericsson Res., Triangle Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ericsson Research Limited, NC, USA","institution_ids":["https://openalex.org/I4210139236"]},{"raw_affiliation_string":"Ericsson Res., Triangle Park","institution_ids":["https://openalex.org/I1309191912"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109257412","display_name":"Abdulrauf Hafeez","orcid":null},"institutions":[{"id":"https://openalex.org/I1309191912","display_name":"Research Triangle Park Foundation","ror":"https://ror.org/03eqttr49","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I1309191912"]},{"id":"https://openalex.org/I4210139236","display_name":"Ericsson (United States)","ror":"https://ror.org/03q3bdj78","country_code":"US","type":"company","lineage":["https://openalex.org/I1306339040","https://openalex.org/I4210139236"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abdulrauf Hafeez","raw_affiliation_strings":["Ericsson Research Limited, NC, USA","Ericsson Res., Triangle Park"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ericsson Research Limited, NC, USA","institution_ids":["https://openalex.org/I4210139236"]},{"raw_affiliation_string":"Ericsson Res., Triangle Park","institution_ids":["https://openalex.org/I1309191912"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0777,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.7956511,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":95,"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/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/T11873","display_name":"PAPR reduction in OFDM","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":0.7809509038925171},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.6969641447067261},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6791886687278748},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.6105090379714966},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5675364136695862},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5166378617286682},{"id":"https://openalex.org/keywords/delay-spread","display_name":"Delay spread","score":0.4386804699897766},{"id":"https://openalex.org/keywords/correlation-function","display_name":"Correlation function (quantum field theory)","score":0.42050525546073914},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38174206018447876},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.350785493850708},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29265096783638},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.16365912556648254},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13170823454856873},{"id":"https://openalex.org/keywords/spectral-density","display_name":"Spectral density","score":0.08673006296157837}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7809509038925171},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6969641447067261},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6791886687278748},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.6105090379714966},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5675364136695862},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5166378617286682},{"id":"https://openalex.org/C49456836","wikidata":"https://www.wikidata.org/wiki/Q666814","display_name":"Delay spread","level":4,"score":0.4386804699897766},{"id":"https://openalex.org/C53622274","wikidata":"https://www.wikidata.org/wiki/Q2496679","display_name":"Correlation function (quantum field theory)","level":3,"score":0.42050525546073914},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38174206018447876},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.350785493850708},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29265096783638},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.16365912556648254},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13170823454856873},{"id":"https://openalex.org/C168110828","wikidata":"https://www.wikidata.org/wiki/Q1331626","display_name":"Spectral density","level":2,"score":0.08673006296157837},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2007.4394035","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","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":7,"referenced_works":["https://openalex.org/W1534416612","https://openalex.org/W1588837646","https://openalex.org/W2103699908","https://openalex.org/W2118267334","https://openalex.org/W2136479830","https://openalex.org/W2150127333","https://openalex.org/W2157195543"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2517776947","https://openalex.org/W1986382998","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W2063393180","https://openalex.org/W2165959337"],"abstract_inverted_index":{"In":[0,83],"an":[1],"Orthogonal":[2],"Frequency":[3],"Division":[4],"Multiplexing":[5],"(OFDM)":[6],"system,":[7],"the":[8,34,37,52,68,134,143,152,167,178,185],"channel":[9,60,69,92,110],"is":[10,183],"often":[11,115],"modeled":[12],"as":[13,120],"a":[14,41,58,80,88,101,121,126,147],"two-dimensional":[15,153],"zero-mean":[16],"Gaussian":[17],"random":[18],"process":[19],"in":[20],"time":[21],"and":[22],"frequency":[23],"with":[24,51,128],"known":[25],"second":[26],"order":[27],"statistics.":[28],"With":[29],"pilot":[30,54,168,179],"symbols":[31],"placed":[32],"across":[33],"time-frequency":[35,43,104],"plane,":[36],"channel's":[38,186],"response":[39],"at":[40,184],"particular":[42],"point":[44],"can":[45,117,158],"be":[46,65,73,76,118,159],"derived":[47],"from":[48],"its":[49,95],"correlation":[50,81,105],"nearby":[53],"locations.":[55],"However,":[56],"this":[57,84],"priori":[59],"statistics":[61],"may":[62,70],"not":[63,71],"always":[64],"available":[66],"or":[67],"even":[72,176],"stationary":[74],"to":[75],"adequately":[77],"characterized":[78],"by":[79],"function.":[82],"paper,":[85],"we":[86,145],"introduce":[87],"model":[89,127],"of":[90,124,166],"time-varying":[91],"based":[93,150],"on":[94,133,142,151],"delay-Doppler":[96,135,188],"response.":[97],"We":[98],"show":[99,173],"that":[100],"widely":[102],"adopted":[103],"model,":[106],"upon":[107],"which":[108,157],"popular":[109],"estimators":[111],"for":[112],"OFDM":[113],"are":[114],"based,":[116],"viewed":[119],"special":[122],"case":[123],"such":[125],"separable":[129],"statistical":[130,140],"profiles":[131],"imposed":[132],"plane.":[136],"Without":[137],"using":[138,161],"any":[139],"assumption":[141],"channel,":[144],"derive":[146],"classical":[148],"estimator":[149],"delay-":[154],"Doppler":[155],"correlator,":[156],"implemented":[160],"Discrete":[162],"Fourier":[163],"Transforms":[164],"(DFT)":[165],"symbol":[169],"measurements.":[170],"Simulation":[171],"results":[172],"promising":[174],"performance":[175],"when":[177],"symbols'":[180],"insertion":[181],"rate":[182],"maximum":[187],"spread.":[189]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
