{"id":"https://openalex.org/W2770012448","doi":"https://doi.org/10.1109/lwc.2017.2774809","title":"Soft-Information Aided Channel Estimation With IQ Imbalance for Alternate-Relaying OFDM Cooperative Systems","display_name":"Soft-Information Aided Channel Estimation With IQ Imbalance for Alternate-Relaying OFDM Cooperative Systems","publication_year":2017,"publication_date":"2017-11-17","ids":{"openalex":"https://openalex.org/W2770012448","doi":"https://doi.org/10.1109/lwc.2017.2774809","mag":"2770012448"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2017.2774809","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2017.2774809","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-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/A5058162322","display_name":"Mohamed Marey","orcid":"https://orcid.org/0000-0002-2105-7239"},"institutions":[{"id":"https://openalex.org/I63601056","display_name":"Menoufia University","ror":"https://ror.org/05sjrb944","country_code":"EG","type":"education","lineage":["https://openalex.org/I63601056"]}],"countries":["EG"],"is_corresponding":true,"raw_author_name":"Mohamed Marey","raw_affiliation_strings":["Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt"],"raw_orcid":"https://orcid.org/0000-0002-2105-7239","affiliations":[{"raw_affiliation_string":"Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt","institution_ids":["https://openalex.org/I63601056"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5058162322"],"corresponding_institution_ids":["https://openalex.org/I63601056"],"apc_list":null,"apc_paid":null,"fwci":1.4725,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.85305933,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"7","issue":"3","first_page":"308","last_page":"311"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9990000128746033,"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/T12791","display_name":"Full-Duplex Wireless Communications","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8357200026512146},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.733197808265686},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5504794716835022},{"id":"https://openalex.org/keywords/redundancy","display_name":"Redundancy (engineering)","score":0.5077170133590698},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47557035088539124},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.4425066411495209},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4386414885520935},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37204813957214355},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2174232006072998},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11764350533485413}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8357200026512146},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.733197808265686},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5504794716835022},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.5077170133590698},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47557035088539124},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.4425066411495209},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4386414885520935},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37204813957214355},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2174232006072998},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11764350533485413},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2017.2774809","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2017.2774809","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1562979145","https://openalex.org/W1964373088","https://openalex.org/W1985690171","https://openalex.org/W1989431552","https://openalex.org/W2034998153","https://openalex.org/W2045407304","https://openalex.org/W2097104601","https://openalex.org/W2106440681","https://openalex.org/W2112849332","https://openalex.org/W2155720547","https://openalex.org/W2169302292","https://openalex.org/W2397393284","https://openalex.org/W2610302134"],"related_works":["https://openalex.org/W2385492535","https://openalex.org/W2887853412","https://openalex.org/W3045644480","https://openalex.org/W2145124655","https://openalex.org/W2109225236","https://openalex.org/W2350752252","https://openalex.org/W2783137132","https://openalex.org/W2949055679","https://openalex.org/W2105287215","https://openalex.org/W3146237218"],"abstract_inverted_index":{"In":[0,93],"this":[1],"letter,":[2],"we":[3,84,95,110],"exploit":[4],"the":[5,23,38,67,78,90,103,117,131,138,141],"feature":[6],"of":[7,25,40,56,60,140],"data":[8,100],"redundancy":[9],"associated":[10,47],"with":[11,48,122],"alternate-relaying":[12],"cooperative":[13],"systems":[14],"to":[15,98,129],"develop":[16],"an":[17,126],"iterative":[18],"channel":[19,73],"estimation":[20,132],"algorithm":[21],"in":[22,125],"context":[24],"orthogonal":[26],"frequency":[27],"division":[28],"multiplexing":[29],"(OFDM)":[30],"transmission.":[31,50],"Our":[32],"attention":[33],"is":[34,45],"also":[35],"focused":[36],"on":[37],"problem":[39],"in-phase/quadrature-phase":[41],"(IQ)":[42],"imbalance":[43,64],"which":[44],"typically":[46],"OFDM":[49],"Analytical":[51],"analysis":[52],"indicates":[53],"that":[54,112],"instead":[55],"estimating":[57],"a":[58],"family":[59],"parameters":[61],"including":[62],"IQ":[63],"occurring":[65],"at":[66],"source,":[68],"relays,":[69],"and":[70,72,81],"destination,":[71],"impulse":[74],"responses":[75],"(CIRs)":[76],"between":[77],"source-destination":[79],"link,":[80],"relays-destination":[82],"links,":[83],"can":[85,119],"estimate":[86],"one":[87],"parameter":[88],"called":[89],"equivalent":[91],"CIR.":[92],"addition,":[94],"illustrate":[96],"how":[97],"perform":[99],"detection":[101],"using":[102],"estimated":[104],"parameter.":[105],"By":[106],"employing":[107],"expectation-maximization":[108],"algorithm,":[109],"show":[111],"soft":[113],"information":[114],"provided":[115],"by":[116],"detector":[118],"be":[120],"combined":[121],"pilot":[123],"symbols":[124],"efficient":[127],"way":[128],"enhance":[130],"process.":[133],"Simulations":[134],"experiments":[135],"have":[136],"confirmed":[137],"efficiency":[139],"proposed":[142],"approach.":[143]},"counts_by_year":[{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}