{"id":"https://openalex.org/W1581756852","doi":"https://doi.org/10.1109/vetecs.2006.1683209","title":"MC-CDMA HARQ with Variable Spreading Factor","display_name":"MC-CDMA HARQ with Variable Spreading Factor","publication_year":2006,"publication_date":"2006-09-08","ids":{"openalex":"https://openalex.org/W1581756852","doi":"https://doi.org/10.1109/vetecs.2006.1683209","mag":"1581756852"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2006.1683209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2006.1683209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE 63rd Vehicular Technology Conference","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/A5009475279","display_name":"Shinsuke Takaoka","orcid":null},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"S. Takaoka","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","Dept. of Electr. & Commun. Eng., Tohoku Univ"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Dept. of Electr. & Commun. Eng., Tohoku Univ","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026448728","display_name":"Haris Gacanin","orcid":"https://orcid.org/0000-0003-3168-8883"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Gacanin","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","Dept. of Electr. & Commun. Eng., Tohoku Univ"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Dept. of Electr. & Commun. Eng., Tohoku Univ","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011281064","display_name":"Fumiyuki Adachi","orcid":"https://orcid.org/0000-0002-5416-0718"},"institutions":[{"id":"https://openalex.org/I201537933","display_name":"Tohoku University","ror":"https://ror.org/01dq60k83","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"F. Adachi","raw_affiliation_strings":["Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","Dept. of Electr. & Commun. Eng., Tohoku Univ"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Communication Engineering, Graduate School of Engineering, University of Tohoku, Sendai, Japan","institution_ids":["https://openalex.org/I201537933"]},{"raw_affiliation_string":"Dept. of Electr. & Commun. Eng., Tohoku Univ","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5009475279"],"corresponding_institution_ids":["https://openalex.org/I201537933"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08740274,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"2063","last_page":"2067"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9997000098228455,"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":0.9993000030517578,"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":0.9980000257492065,"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/hybrid-automatic-repeat-request","display_name":"Hybrid automatic repeat request","score":0.9349745512008667},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6875882148742676},{"id":"https://openalex.org/keywords/automatic-repeat-request","display_name":"Automatic repeat request","score":0.6625291109085083},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6321466565132141},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.6292589902877808},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5612667202949524},{"id":"https://openalex.org/keywords/diversity-scheme","display_name":"Diversity scheme","score":0.4691057801246643},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.4454517960548401},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42768147587776184},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.37986600399017334},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3715554475784302},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33745789527893066},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.1955919861793518},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.18614286184310913},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1407674252986908},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12049022316932678}],"concepts":[{"id":"https://openalex.org/C118437007","wikidata":"https://www.wikidata.org/wiki/Q1017139","display_name":"Hybrid automatic repeat request","level":3,"score":0.9349745512008667},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6875882148742676},{"id":"https://openalex.org/C171952454","wikidata":"https://www.wikidata.org/wiki/Q29522","display_name":"Automatic repeat request","level":4,"score":0.6625291109085083},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6321466565132141},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6292589902877808},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5612667202949524},{"id":"https://openalex.org/C198746922","wikidata":"https://www.wikidata.org/wiki/Q1230593","display_name":"Diversity scheme","level":4,"score":0.4691057801246643},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.4454517960548401},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42768147587776184},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.37986600399017334},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3715554475784302},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33745789527893066},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.1955919861793518},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.18614286184310913},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1407674252986908},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12049022316932678}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecs.2006.1683209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2006.1683209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2006 IEEE 63rd Vehicular Technology Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1517165204","https://openalex.org/W1596939795","https://openalex.org/W2031625997","https://openalex.org/W2038296395","https://openalex.org/W2055748838","https://openalex.org/W2061125936","https://openalex.org/W2070609206","https://openalex.org/W2071414244","https://openalex.org/W2159284178","https://openalex.org/W2160647929","https://openalex.org/W6631286406"],"related_works":["https://openalex.org/W2914167360","https://openalex.org/W2360639991","https://openalex.org/W2112654450","https://openalex.org/W2025249943","https://openalex.org/W2025662109","https://openalex.org/W25248209","https://openalex.org/W2894494295","https://openalex.org/W2050206424","https://openalex.org/W2163145083","https://openalex.org/W2770177206"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,16,25,39,87],"hybrid":[4],"automatic":[5],"repeat":[6],"request":[7],"(HARQ)":[8],"with":[9,84,100,102,112,120],"variable":[10],"spreading":[11,67,104],"factor":[12,68,105],"(VSF)":[13],"suitable":[14],"for":[15],"multicarrier":[17],"code":[18],"division":[19],"multiple":[20],"access":[21],"(MC-CDMA).":[22],"We":[23],"consider":[24],"HARQ":[26,37,83,111],"based":[27],"on":[28,147],"incremental":[29],"redundancy":[30],"(IR)":[31],"strategy.":[32],"The":[33,79,135],"throughput":[34,80,117,149],"of":[35,82,137],"MC-CDMA":[36],"is":[38,69,92,108,123,133],"tradeoff":[40],"among":[41],"the":[42,46,50,59,63,66,72,76,95,144],"frequency":[43],"diversity":[44],"gain,":[45],"coding":[47],"gain":[48],"and":[49,62,75,98,122,131,143],"inter-code":[51],"interference":[52],"(ICI).":[53],"In":[54],"order":[55],"to":[56],"effectively":[57],"exploit":[58],"channel":[60,64,91,145],"frequency-selectivity":[61,146],"coding,":[65],"changed":[70],"between":[71,140],"initial":[73],"transmission":[74],"succeeding":[77],"retransmissions.":[78],"performance":[81,118,150],"VSF":[85,113],"in":[86],"frequency-selective":[88],"Rayleigh":[89],"fading":[90,138],"evaluated":[93],"by":[94],"computer":[96],"simulation":[97],"compared":[99],"that":[101,110],"fixed":[103],"(FSF).":[106],"It":[107],"shown":[109],"can":[114],"provide":[115],"better":[116],"than":[119],"FSF":[121],"particularly":[124],"useful":[125],"when":[126],"high-level":[127],"modulation":[128],"(e.g.,":[129],"16QAM":[130],"64QAM)":[132],"used.":[134],"impacts":[136],"correlation":[139],"packet":[141],"retransmissions":[142],"achievable":[148],"are":[151],"discussed":[152]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
