{"id":"https://openalex.org/W2105914086","doi":"https://doi.org/10.1109/vetecs.2011.5956654","title":"Performance Analysis of OFDM-Based Amplify and Forward Networks under Adaptive M-QAM","display_name":"Performance Analysis of OFDM-Based Amplify and Forward Networks under Adaptive M-QAM","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2105914086","doi":"https://doi.org/10.1109/vetecs.2011.5956654","mag":"2105914086"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956654","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956654","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/A5086766225","display_name":"Maryam Najmafshar","orcid":null},"institutions":[{"id":"https://openalex.org/I67009956","display_name":"Iran University of Science and Technology","ror":"https://ror.org/01jw2p796","country_code":"IR","type":"education","lineage":["https://openalex.org/I67009956"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Maryam Najmafshar","raw_affiliation_strings":["Department of Electrical Engineering, Iran University of Science and Technology, Iran","Dept of Electr. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Iran University of Science and Technology, Iran","institution_ids":["https://openalex.org/I67009956"]},{"raw_affiliation_string":"Dept of Electr. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran","institution_ids":["https://openalex.org/I67009956"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003963572","display_name":"Moslem Noori","orcid":"https://orcid.org/0000-0002-7524-4240"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Moslem Noori","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Alberta, Canada","Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Alberta, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada#TAB#","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063789537","display_name":"Vahid Tabataba Vakili","orcid":"https://orcid.org/0000-0003-3627-0478"},"institutions":[{"id":"https://openalex.org/I67009956","display_name":"Iran University of Science and Technology","ror":"https://ror.org/01jw2p796","country_code":"IR","type":"education","lineage":["https://openalex.org/I67009956"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Vahid Tabataba Vakili","raw_affiliation_strings":["Department of Electrical Engineering, Iran University of Science and Technology, Iran","Dept of Electr. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Iran University of Science and Technology, Iran","institution_ids":["https://openalex.org/I67009956"]},{"raw_affiliation_string":"Dept of Electr. Eng., Iran Univ. of Sci. & Technol., Tehran, Iran","institution_ids":["https://openalex.org/I67009956"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5086766225"],"corresponding_institution_ids":["https://openalex.org/I67009956"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1748411,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9943000078201294,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9782000184059143,"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/subcarrier","display_name":"Subcarrier","score":0.888399600982666},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7764273285865784},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7416767477989197},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.7165493369102478},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.6886541247367859},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.5647568106651306},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5591586232185364},{"id":"https://openalex.org/keywords/link-adaptation","display_name":"Link adaptation","score":0.5470104217529297},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.49061670899391174},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.483476459980011},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4754226505756378},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45684728026390076},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4424078166484833},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4315769374370575},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.36923646926879883},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.27344197034835815},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20880988240242004},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12570983171463013},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.058889567852020264}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.888399600982666},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7764273285865784},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7416767477989197},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.7165493369102478},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6886541247367859},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.5647568106651306},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5591586232185364},{"id":"https://openalex.org/C138916503","wikidata":"https://www.wikidata.org/wiki/Q2714551","display_name":"Link adaptation","level":4,"score":0.5470104217529297},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.49061670899391174},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.483476459980011},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4754226505756378},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45684728026390076},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4424078166484833},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4315769374370575},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.36923646926879883},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.27344197034835815},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20880988240242004},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12570983171463013},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.058889567852020264},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2011.5956654","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956654","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":[{"id":"https://openalex.org/F4320324891","display_name":"Iran Telecommunication Research Center","ror":"https://ror.org/01a3g2z22"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2009674409","https://openalex.org/W2105190163","https://openalex.org/W2111337460","https://openalex.org/W2125276451","https://openalex.org/W2126269115","https://openalex.org/W2151878351","https://openalex.org/W2154744839","https://openalex.org/W2164908082","https://openalex.org/W6652741138"],"related_works":["https://openalex.org/W4390873927","https://openalex.org/W2159438609","https://openalex.org/W2900995485","https://openalex.org/W2147334234","https://openalex.org/W2353465708","https://openalex.org/W3196902411","https://openalex.org/W2139936226","https://openalex.org/W1970526599","https://openalex.org/W3026565890","https://openalex.org/W2064534496"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"study":[4],"an":[5,13],"amplify-and-forward":[6],"OFDM-based":[7],"wireless":[8],"relay":[9],"network":[10],"and":[11,22,46,59,87],"provide":[12],"exact":[14],"analysis":[15,67],"of":[16,24,83,89,96],"the":[17,30,43,48,60,71,94],"system":[18,44,72],"achievable":[19],"average":[20,85],"throughput":[21,45,86],"probability":[23,88],"outage.":[25,90],"It":[26],"is":[27,54,63],"assumed":[28],"that":[29,69],"users":[31],"transmits":[32],"their":[33],"data":[34],"over":[35],"a":[36],"Rayleigh":[37],"fading":[38],"channel.":[39],"Further,":[40],"to":[41],"increase":[42],"use":[47],"channel":[49],"more":[50],"efficiently,":[51],"adaptive":[52],"modulation":[53],"applied":[55],"on":[56],"each":[57],"subcarrier":[58],"relaying":[61,79],"strategy":[62],"selective":[64,77],"OFDMA.":[65],"Our":[66],"shows":[68],"how":[70],"performance":[73],"enhances":[74],"by":[75],"using":[76],"OFDMA":[78],"scheme":[80],"in":[81],"terms":[82],"both":[84],"Simulation":[91],"results":[92],"verifies":[93],"accuracy":[95],"our":[97],"proposed":[98],"analysis.":[99]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}