{"id":"https://openalex.org/W2107955745","doi":"https://doi.org/10.1109/iccchina.2012.6356921","title":"Effect of I/Q imbalance on blind spectrum sensing for OFDMA overlay cognitive radio","display_name":"Effect of I/Q imbalance on blind spectrum sensing for OFDMA overlay cognitive radio","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W2107955745","doi":"https://doi.org/10.1109/iccchina.2012.6356921","mag":"2107955745"},"language":"en","primary_location":{"id":"doi:10.1109/iccchina.2012.6356921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccchina.2012.6356921","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 1st IEEE International Conference on Communications in China (ICCC)","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/A5058318447","display_name":"Omid Semiari","orcid":"https://orcid.org/0000-0001-6943-4868"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Omid Semiari","raw_affiliation_strings":["School of Electrical and Computer Engineering, Faculty of Engineering, University of Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Faculty of Engineering, University of Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068467894","display_name":"Behrouz Maham","orcid":"https://orcid.org/0000-0002-5682-4039"},"institutions":[{"id":"https://openalex.org/I23946033","display_name":"University of Tehran","ror":"https://ror.org/05vf56z40","country_code":"IR","type":"education","lineage":["https://openalex.org/I23946033"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Behrouz Maham","raw_affiliation_strings":["School of Electrical and Computer Engineering, Faculty of Engineering, University of Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Computer Engineering, Faculty of Engineering, University of Tehran, Iran","institution_ids":["https://openalex.org/I23946033"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["Singapore University of Technology and Design, Singapore","Singapore University of Technology and Design, Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]},{"raw_affiliation_string":"Singapore University of Technology and Design, Singapore#TAB#","institution_ids":["https://openalex.org/I152815399"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8862,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.91737391,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"433","last_page":"437"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","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/T11248","display_name":"Advanced Power Amplifier Design","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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9993000030517578,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","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/cognitive-radio","display_name":"Cognitive radio","score":0.9336934089660645},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7624742984771729},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.7538096308708191},{"id":"https://openalex.org/keywords/transceiver","display_name":"Transceiver","score":0.6983993649482727},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6554187536239624},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.6315528154373169},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5379849672317505},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3439001441001892},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3280951678752899},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.20494231581687927},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20010453462600708}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.9336934089660645},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7624742984771729},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.7538096308708191},{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.6983993649482727},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6554187536239624},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.6315528154373169},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5379849672317505},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3439001441001892},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3280951678752899},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.20494231581687927},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20010453462600708},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"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/iccchina.2012.6356921","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccchina.2012.6356921","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 1st IEEE International Conference on Communications in China (ICCC)","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":10,"referenced_works":["https://openalex.org/W1981230256","https://openalex.org/W2027974162","https://openalex.org/W2029045295","https://openalex.org/W2082957088","https://openalex.org/W2107758702","https://openalex.org/W2108789935","https://openalex.org/W2117088502","https://openalex.org/W2170524206","https://openalex.org/W3145979071","https://openalex.org/W4296396157"],"related_works":["https://openalex.org/W595346907","https://openalex.org/W2783437851","https://openalex.org/W4249165909","https://openalex.org/W153296825","https://openalex.org/W1672137312","https://openalex.org/W598989511","https://openalex.org/W2375779923","https://openalex.org/W2041986468","https://openalex.org/W1967800214","https://openalex.org/W2034619563"],"abstract_inverted_index":{"Direct-conversion":[0],"transceivers":[1],"are":[2,40],"in":[3],"demand,":[4],"due":[5],"to":[6,99],"their":[7],"low":[8],"cost":[9],"implementation":[10],"of":[11,35,79],"analog":[12],"front-ends.":[13],"However,":[14],"these":[15],"transmitters":[16],"or":[17],"receivers":[18],"introduce":[19],"imperfections":[20],"such":[21],"as":[22],"in-phase":[23],"and":[24,76],"quadrature-phase":[25],"(I/Q)":[26],"imbalances.":[27],"These":[28],"impairments":[29],"can":[30],"severely":[31],"degrade":[32],"the":[33,77,92],"performance":[34],"cognitive":[36,55],"radio":[37,56],"devices":[38],"that":[39,91],"based":[41],"on":[42,82],"orthogonal":[43],"frequency":[44],"division":[45],"multiplexing":[46],"(OFDM)":[47],"multiple":[48],"access":[49],"schemes.":[50],"In":[51],"this":[52,83],"paper,":[53],"a":[54],"system":[57,62],"with":[58],"an":[59],"OFDMA":[60],"primary":[61],"is":[63,74,86,95],"considered.":[64],"A":[65],"new":[66],"three-level":[67],"hypothesis":[68],"blind":[69],"detector":[70,94],"for":[71],"spectrum":[72],"sensing":[73],"introduced":[75],"effect":[78],"I/Q":[80,100],"imbalance":[81,101],"detection":[84],"scenario":[85],"studied.":[87],"Finally,":[88],"we":[89],"show":[90],"proposed":[93],"much":[96],"less":[97],"vulnerable":[98],"than":[102],"conventional":[103],"two-level":[104],"detectors.":[105]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":5},{"year":2014,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
