{"id":"https://openalex.org/W1992089846","doi":"https://doi.org/10.1109/pimrc.2007.4394462","title":"Blind CFO Estimation in OFDM Links with IQ Imbalance","display_name":"Blind CFO Estimation in OFDM Links with IQ Imbalance","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W1992089846","doi":"https://doi.org/10.1109/pimrc.2007.4394462","mag":"1992089846"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2007.4394462","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394462","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":"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/A5024371927","display_name":"Shankar Prakriya","orcid":"https://orcid.org/0000-0002-9581-9275"},"institutions":[{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Shankar Prakriya","raw_affiliation_strings":["Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India","[Indian Inst. of Technol. Delhi, New Delhi]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Indian Institute of Technology Delhi, New Delhi, India","institution_ids":["https://openalex.org/I68891433"]},{"raw_affiliation_string":"[Indian Inst. of Technol. Delhi, New Delhi]","institution_ids":["https://openalex.org/I68891433"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5024371927"],"corresponding_institution_ids":["https://openalex.org/I68891433"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9995999932289124,"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":0.9995999932289124,"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":0.994700014591217,"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/T12146","display_name":"Power Line Communications and Noise","score":0.994700014591217,"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/algorithm","display_name":"Algorithm","score":0.5663611888885498},{"id":"https://openalex.org/keywords/preamble","display_name":"Preamble","score":0.5539396405220032},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5278772115707397},{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.48263320326805115},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4683622121810913},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4042338728904724},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.36863672733306885},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15536925196647644},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.12386542558670044}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5663611888885498},{"id":"https://openalex.org/C2780691134","wikidata":"https://www.wikidata.org/wiki/Q1129448","display_name":"Preamble","level":3,"score":0.5539396405220032},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5278772115707397},{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.48263320326805115},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4683622121810913},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4042338728904724},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.36863672733306885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15536925196647644},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.12386542558670044}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2007.4394462","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394462","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":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.8399999737739563}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W2098378398","https://openalex.org/W2105018944","https://openalex.org/W2106422401","https://openalex.org/W2119857453","https://openalex.org/W2122421777","https://openalex.org/W2130587615","https://openalex.org/W2162914719","https://openalex.org/W2164293320","https://openalex.org/W2167379008","https://openalex.org/W6675919483"],"related_works":["https://openalex.org/W2104421608","https://openalex.org/W2010378487","https://openalex.org/W2037642822","https://openalex.org/W2033692824","https://openalex.org/W2120825387","https://openalex.org/W2183273440","https://openalex.org/W2181352736","https://openalex.org/W2164367930","https://openalex.org/W4385774821","https://openalex.org/W2133436142"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"a":[3,42],"simple":[4],"blind":[5],"algorithm":[6,83,127],"is":[7,96,128],"presented":[8],"for":[9,51],"estimation":[10],"of":[11,29,124],"carrier":[12],"frequency":[13],"offset":[14],"(CFO)":[15],"in":[16,53,78],"OFDM":[17],"links":[18],"with":[19],"IQ":[20],"imbalance":[21],"distortion":[22],"that":[23],"exploits":[24],"the":[25,30,39,60,64,71,74,99,101,125],"finite":[26],"alphabet":[27],"nature":[28],"transmitted":[31],"symbols.":[32],"Most":[33],"algorithms":[34,57],"proposed":[35,82,126],"to":[36,133],"date":[37],"estimate":[38],"CFO":[40,72],"using":[41],"specially":[43],"designed":[44],"preamble":[45],"sequence,":[46],"which":[47],"makes":[48],"them":[49],"unsuitable":[50],"use":[52],"time-varying":[54],"environments.":[55],"Other":[56],"based":[58],"on":[59,70,103],"null":[61],"carriers":[62],"and":[63,90],"cyclic":[65],"prefix":[66],"either":[67],"place":[68],"restrictions":[69],"or":[73,76],"channel,":[75],"result":[77],"rate":[79,88],"reduction.":[80],"The":[81],"requires":[84,93],"no":[85],"pilot":[86],"(no":[87],"reduction),":[89],"instead":[91],"just":[92],"(assuming":[94],"oversampling":[95],"used":[97],"at":[98],"receiver),":[100],"symbol":[102],"<i":[104,107,110,113,116,119],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[105,108,111,114,117,120],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">any</i>":[106],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">one</i>":[109],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">carrier</i>":[112],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">to</i>":[115],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">be</i>":[118],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">M-PSK</i>":[121],".":[122],"Performance":[123],"evaluated":[129],"by":[130],"computer":[131],"simulations":[132],"demonstrate":[134],"its":[135],"effectiveness.":[136]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}