{"id":"https://openalex.org/W2042429368","doi":"https://doi.org/10.1109/pimrc.2011.6139805","title":"Proposal of cross-carrier precoding for carrier aggregation enhancement","display_name":"Proposal of cross-carrier precoding for carrier aggregation enhancement","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2042429368","doi":"https://doi.org/10.1109/pimrc.2011.6139805","mag":"2042429368"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2011.6139805","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6139805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5072297725","display_name":"Yuji Ikeda","orcid":"https://orcid.org/0000-0002-0844-9895"},"institutions":[{"id":"https://openalex.org/I4210164495","display_name":"KDDI Research (Japan)","ror":"https://ror.org/05qsqt662","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210164495"]},{"id":"https://openalex.org/I2799799709","display_name":"Saitama Prefecture","ror":"https://ror.org/03ykm7q16","country_code":"JP","type":"other","lineage":["https://openalex.org/I2799799709"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Yuji Ikeda","raw_affiliation_strings":["KDD Research and Development Laboratories, Inc., Saitama, Japan","KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN"],"affiliations":[{"raw_affiliation_string":"KDD Research and Development Laboratories, Inc., Saitama, Japan","institution_ids":["https://openalex.org/I4210164495"]},{"raw_affiliation_string":"KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN","institution_ids":["https://openalex.org/I4210164495","https://openalex.org/I2799799709"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077572545","display_name":"Issei Kanno","orcid":null},"institutions":[{"id":"https://openalex.org/I2799799709","display_name":"Saitama Prefecture","ror":"https://ror.org/03ykm7q16","country_code":"JP","type":"other","lineage":["https://openalex.org/I2799799709"]},{"id":"https://openalex.org/I4210164495","display_name":"KDDI Research (Japan)","ror":"https://ror.org/05qsqt662","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210164495"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Issei Kanno","raw_affiliation_strings":["KDD Research and Development Laboratories, Inc., Saitama, Japan","KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN"],"affiliations":[{"raw_affiliation_string":"KDD Research and Development Laboratories, Inc., Saitama, Japan","institution_ids":["https://openalex.org/I4210164495"]},{"raw_affiliation_string":"KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN","institution_ids":["https://openalex.org/I4210164495","https://openalex.org/I2799799709"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055268716","display_name":"Toru Kitayabu","orcid":null},"institutions":[{"id":"https://openalex.org/I2799799709","display_name":"Saitama Prefecture","ror":"https://ror.org/03ykm7q16","country_code":"JP","type":"other","lineage":["https://openalex.org/I2799799709"]},{"id":"https://openalex.org/I4210164495","display_name":"KDDI Research (Japan)","ror":"https://ror.org/05qsqt662","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210164495"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Toru Kitayabu","raw_affiliation_strings":["KDD Research and Development Laboratories, Inc., Saitama, Japan","KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN"],"affiliations":[{"raw_affiliation_string":"KDD Research and Development Laboratories, Inc., Saitama, Japan","institution_ids":["https://openalex.org/I4210164495"]},{"raw_affiliation_string":"KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN","institution_ids":["https://openalex.org/I4210164495","https://openalex.org/I2799799709"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101958112","display_name":"Hiroyasu Ishikawa","orcid":"https://orcid.org/0000-0003-1637-9863"},"institutions":[{"id":"https://openalex.org/I4210164495","display_name":"KDDI Research (Japan)","ror":"https://ror.org/05qsqt662","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210164495"]},{"id":"https://openalex.org/I2799799709","display_name":"Saitama Prefecture","ror":"https://ror.org/03ykm7q16","country_code":"JP","type":"other","lineage":["https://openalex.org/I2799799709"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroyasu Ishikawa","raw_affiliation_strings":["KDD Research and Development Laboratories, Inc., Saitama, Japan","KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN"],"affiliations":[{"raw_affiliation_string":"KDD Research and Development Laboratories, Inc., Saitama, Japan","institution_ids":["https://openalex.org/I4210164495"]},{"raw_affiliation_string":"KDDI R&D Laboratories Inc., Saitama Prefecture, JAPAN","institution_ids":["https://openalex.org/I4210164495","https://openalex.org/I2799799709"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5072297725"],"corresponding_institution_ids":["https://openalex.org/I2799799709","https://openalex.org/I4210164495"],"apc_list":null,"apc_paid":null,"fwci":0.265,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.60652392,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1738","last_page":"1742"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T11409","display_name":"Advanced Wireless Network Optimization","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"}},{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9991000294685364,"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/precoding","display_name":"Precoding","score":0.9187016487121582},{"id":"https://openalex.org/keywords/phy","display_name":"PHY","score":0.7939178943634033},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.6854175329208374},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.632095456123352},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5561566352844238},{"id":"https://openalex.org/keywords/carrier-signal","display_name":"Carrier signal","score":0.46600541472435},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.44921329617500305},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.41650134325027466},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.41059911251068115},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32965385913848877},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.18897470831871033},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1781240999698639},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1684194803237915},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.14795726537704468},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08960357308387756}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.9187016487121582},{"id":"https://openalex.org/C41918916","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"PHY","level":4,"score":0.7939178943634033},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6854175329208374},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.632095456123352},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5561566352844238},{"id":"https://openalex.org/C102260082","wikidata":"https://www.wikidata.org/wiki/Q499193","display_name":"Carrier signal","level":3,"score":0.46600541472435},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.44921329617500305},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.41650134325027466},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.41059911251068115},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32965385913848877},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.18897470831871033},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1781240999698639},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1684194803237915},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.14795726537704468},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08960357308387756},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2011.6139805","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6139805","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd 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/11","score":0.8399999737739563,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2122001943","https://openalex.org/W2127661968","https://openalex.org/W2149456766","https://openalex.org/W2150843853","https://openalex.org/W2152332139","https://openalex.org/W2543155955"],"related_works":["https://openalex.org/W2120807897","https://openalex.org/W2109762180","https://openalex.org/W2152091471","https://openalex.org/W2797745808","https://openalex.org/W1978177774","https://openalex.org/W2184020688","https://openalex.org/W2111256278","https://openalex.org/W1597069607","https://openalex.org/W2886788935","https://openalex.org/W2115203713"],"abstract_inverted_index":{"Carrier":[0],"aggregation":[1],"(CA)":[2],"has":[3],"been":[4],"adopted":[5],"in":[6,16,49,92,124,154,162],"order":[7],"to":[8,25,55],"ensure":[9],"wide":[10],"bandwidth":[11,75],"for":[12,106,141],"high-speed":[13],"data":[14],"communications":[15],"Long-Term":[17],"Evolution":[18],"(LTE)-Advanced.":[19],"In":[20,63,79],"most":[21,150],"existing":[22],"reports":[23],"related":[24],"the":[26,31,44,50,60,66,74,94,114,138,155,163],"CA":[27],"technique,":[28],"processing":[29],"on":[30,102],"physical":[32],"(PHY)":[33],"layer":[34,52],"is":[35,42,53,97,147],"operated":[36],"per":[37],"component":[38],"carrier":[39],"(CC).":[40],"This":[41],"because":[43],"independence":[45],"of":[46,76,109,132,145],"each":[47,77],"CC":[48],"PHY":[51],"assumed":[54],"maintain":[56],"backward":[57],"compatibility":[58],"with":[59],"LTE":[61],"system.":[62],"this":[64,80],"case,":[65],"frequency":[67,104,121,127],"diversity":[68,128],"gain":[69],"will":[70],"be":[71],"limited":[72],"by":[73,151,167],"CC.":[78],"paper,":[81],"we":[82],"propose":[83],"an":[84],"effective":[85],"precoding":[86,90,95],"operation":[87,96],"called":[88],"cross-carrier":[89],"(CCP),":[91],"which":[93],"executed":[98],"across":[99],"CCs":[100],"transmitted":[101],"different":[103,120],"bands":[105,122],"further":[107],"enhancement":[108],"CA.":[110],"By":[111],"applying":[112,168],"CCP,":[113],"modulated":[115],"symbols":[116],"are":[117],"spread":[118],"over":[119],"resulting":[123],"a":[125,143],"significant":[126],"gain.":[129],"The":[130],"results":[131],"numeric":[133],"computer":[134],"simulations":[135],"show":[136],"that":[137],"required":[139],"SNR":[140],"obtaining":[142],"PER":[144],"1%":[146],"reduced":[148],"at":[149],"3.5":[152],"dB":[153,161],"vehicular":[156],"A":[157],"model":[158,166],"and":[159],"2.5":[160],"typical":[164],"urban":[165],"CCP.":[169]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}