{"id":"https://openalex.org/W2148692253","doi":"https://doi.org/10.1109/vetecs.2011.5956765","title":"Combined Effect of Transmit Diversity and Frequency Hopping for DFT-Precoded OFDMA in Uplink Frequency-Selective Fading Channels","display_name":"Combined Effect of Transmit Diversity and Frequency Hopping for DFT-Precoded OFDMA in Uplink Frequency-Selective Fading Channels","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2148692253","doi":"https://doi.org/10.1109/vetecs.2011.5956765","mag":"2148692253"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2011.5956765","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956765","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/A5073909546","display_name":"Lianjun Deng","orcid":null},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Lianjun Deng","raw_affiliation_strings":["Department of Information Network Engineering, Tokyo Denki University, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Information Network Engineering, Tokyo Denki University, Japan","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109143156","display_name":"Teruo Kawamura","orcid":null},"institutions":[{"id":"https://openalex.org/I2251713219","display_name":"NTT (Japan)","ror":"https://ror.org/00berct97","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Teruo Kawamura","raw_affiliation_strings":["Radio Access Network Development Department, NTT DOCOMO, Inc., Japan"],"affiliations":[{"raw_affiliation_string":"Radio Access Network Development Department, NTT DOCOMO, Inc., Japan","institution_ids":["https://openalex.org/I2251713219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069376524","display_name":"Hidekazu Taoka","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hidekazu Taoka","raw_affiliation_strings":["DoCoMo Conimunications Laboratories Europe GmbH, Germany"],"affiliations":[{"raw_affiliation_string":"DoCoMo Conimunications Laboratories Europe GmbH, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5066811243","display_name":"Mamoru Sawahashi","orcid":null},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mamoru Sawahashi","raw_affiliation_strings":["Department of Information Network Engineering, Tokyo Denki University, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Information Network Engineering, Tokyo Denki University, Japan","institution_ids":["https://openalex.org/I165522056"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5073909546"],"corresponding_institution_ids":["https://openalex.org/I165522056"],"apc_list":null,"apc_paid":null,"fwci":0.5299,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.72123882,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"6","issue":null,"first_page":"1","last_page":"5"},"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":0.9994999766349792,"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":0.9994000196456909,"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/transmit-diversity","display_name":"Transmit diversity","score":0.8096277713775635},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.8024653196334839},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.7047035694122314},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.623453676700592},{"id":"https://openalex.org/keywords/block-error-rate","display_name":"Block Error Rate","score":0.5900091528892517},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.5783084034919739},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5171146392822266},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.516558051109314},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4708297550678253},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.4620027244091034},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4059012532234192},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3866668939590454},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3355443477630615},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1427897810935974},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.10928639769554138},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.09030398726463318}],"concepts":[{"id":"https://openalex.org/C117218131","wikidata":"https://www.wikidata.org/wiki/Q7834664","display_name":"Transmit diversity","level":4,"score":0.8096277713775635},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.8024653196334839},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.7047035694122314},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.623453676700592},{"id":"https://openalex.org/C2776639698","wikidata":"https://www.wikidata.org/wiki/Q4927140","display_name":"Block Error Rate","level":3,"score":0.5900091528892517},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.5783084034919739},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5171146392822266},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.516558051109314},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4708297550678253},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.4620027244091034},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4059012532234192},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3866668939590454},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3355443477630615},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1427897810935974},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.10928639769554138},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.09030398726463318}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2011.5956765","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2011.5956765","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":[{"id":"https://metadata.un.org/sdg/15","score":0.4000000059604645,"display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1537712253","https://openalex.org/W1861501842","https://openalex.org/W2107080958","https://openalex.org/W2136664329","https://openalex.org/W2138706041","https://openalex.org/W2149099533","https://openalex.org/W2163982637","https://openalex.org/W3188818167"],"related_works":["https://openalex.org/W2106419665","https://openalex.org/W2152852312","https://openalex.org/W2003125408","https://openalex.org/W1514258966","https://openalex.org/W2122180319","https://openalex.org/W2135296323","https://openalex.org/W2117209820","https://openalex.org/W2149299715","https://openalex.org/W2127706588","https://openalex.org/W2148692253"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,16],"combination":[4,30],"of":[5,28,104,106,137,185],"open-loop":[6],"(OL)":[7],"transmit":[8,35,53,113,122,159,187],"diversity":[9,36,54,61,123,160],"and":[10,23,70,150],"intra-subframe":[11,116],"frequency":[12,136],"hopping":[13],"(FH)":[14],"for":[15,37],"shared":[17],"channel":[18,72,78],"carrying":[19],"user":[20],"traffic":[21],"data":[22],"investigates":[24],"the":[25,29,57,60,77,86,89,98,171,174,182],"potential":[26],"performance":[27,156],"compared":[31,118],"to":[32,51,55,75,119,126,170],"closed-loop":[33],"(CL)":[34],"uplink":[38],"discrete":[39],"Fourier":[40],"transform":[41],"(DFT)-precoded":[42],"OFDMA":[43],"in":[44,59,88,173,181],"frequency-selective":[45],"fading":[46,65,179],"channels.":[47],"We":[48],"apply":[49],"FH":[50,117,149],"OL":[52,112],"mitigate":[56],"reduction":[58],"gain":[62],"under":[63],"high":[64],"correlation":[66],"conditions":[67],"among":[68],"antennas":[69],"decision-feedback":[71],"estimation":[73,79],"(DFCE)":[74],"improve":[76],"accuracy.":[80],"Computer":[81],"simulation":[82],"results":[83],"show":[84],"that":[85,146],"loss":[87],"required":[90],"average":[91,99],"received":[92],"signal-to-noise":[93],"power":[94],"ratio":[95],"(SNR)":[96],"at":[97,133],"block":[100,108],"error":[101],"rate":[102],"(BLER)":[103],"10-2":[105],"space-time":[107],"code":[109],"(STBC),":[110],"i.e.,":[111],"diversity,":[114],"with":[115,148],"codebook-based":[120],"CL":[121,158,186],"is":[124,144,163],"reduced":[125],"within":[127],"approximately":[128,166],"0.8":[129],"dB":[130],"using":[131],"DFCE":[132,151],"maximum":[134],"Doppler":[135],"fD":[138,162],"=":[139],"5.55":[140],"Hz.":[141],"Moreover,":[142],"it":[143],"shown":[145],"STBC":[147],"achieves":[152],"much":[153],"better":[154],"BLER":[155],"than":[157,165],"when":[161],"higher":[164],"80":[167],"Hz":[168],"due":[169],"degradation":[172],"tracking":[175],"ability":[176],"against":[177],"fast":[178],"variation":[180],"feedback":[183],"loop":[184],"diversity.":[188]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
