{"id":"https://openalex.org/W2128696174","doi":"https://doi.org/10.1109/icc.2005.1494751","title":"A convolutional spreading CDMA scheme with cyclic prefix for downlink transmission","display_name":"A convolutional spreading CDMA scheme with cyclic prefix for downlink transmission","publication_year":2005,"publication_date":"2005-08-16","ids":{"openalex":"https://openalex.org/W2128696174","doi":"https://doi.org/10.1109/icc.2005.1494751","mag":"2128696174"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2005.1494751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2005.1494751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Communications, 2005. ICC 2005. 2005","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/A5024223511","display_name":"Nalin S. Weerasinghe","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"N.S. Weerasinghe","raw_affiliation_strings":["Department of Electronics Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060566720","display_name":"Takeshi Hasimoto","orcid":null},"institutions":[{"id":"https://openalex.org/I20529979","display_name":"University of Electro-Communications","ror":"https://ror.org/02x73b849","country_code":"JP","type":"education","lineage":["https://openalex.org/I20529979"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Hasimoto","raw_affiliation_strings":["Department of Electronics Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics Engineering, University of Electro-Communications, Chofu, Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]},{"raw_affiliation_string":"Dept. of Electron. Eng., Electro-Commun. Univ., Tokyo, Japan","institution_ids":["https://openalex.org/I20529979"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I20529979"],"apc_list":null,"apc_paid":null,"fwci":1.6437,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.86959506,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"2328","last_page":"2332"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9997000098228455,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9984999895095825,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cyclic-prefix","display_name":"Cyclic prefix","score":0.8542587757110596},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.8032742738723755},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6514837145805359},{"id":"https://openalex.org/keywords/cdma-spectral-efficiency","display_name":"CDMA spectral efficiency","score":0.6388444900512695},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.5516036748886108},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5487967729568481},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4931618571281433},{"id":"https://openalex.org/keywords/near-far-problem","display_name":"Near-far problem","score":0.4868471026420593},{"id":"https://openalex.org/keywords/rake-receiver","display_name":"Rake receiver","score":0.48296278715133667},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.43367788195610046},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42429274320602417},{"id":"https://openalex.org/keywords/rake","display_name":"Rake","score":0.4128198027610779},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3913477957248688},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.32677245140075684},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29984888434410095},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.2343684732913971},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.17427846789360046},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1357470452785492}],"concepts":[{"id":"https://openalex.org/C2778775284","wikidata":"https://www.wikidata.org/wiki/Q5198224","display_name":"Cyclic prefix","level":4,"score":0.8542587757110596},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.8032742738723755},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6514837145805359},{"id":"https://openalex.org/C139970496","wikidata":"https://www.wikidata.org/wiki/Q5009970","display_name":"CDMA spectral efficiency","level":3,"score":0.6388444900512695},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.5516036748886108},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5487967729568481},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4931618571281433},{"id":"https://openalex.org/C89719804","wikidata":"https://www.wikidata.org/wiki/Q6984333","display_name":"Near-far problem","level":3,"score":0.4868471026420593},{"id":"https://openalex.org/C23486597","wikidata":"https://www.wikidata.org/wiki/Q1125543","display_name":"Rake receiver","level":4,"score":0.48296278715133667},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.43367788195610046},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42429274320602417},{"id":"https://openalex.org/C2778855872","wikidata":"https://www.wikidata.org/wiki/Q7286559","display_name":"Rake","level":2,"score":0.4128198027610779},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3913477957248688},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32677245140075684},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29984888434410095},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.2343684732913971},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.17427846789360046},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1357470452785492},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2005.1494751","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2005.1494751","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE International Conference on Communications, 2005. ICC 2005. 2005","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.44999998807907104,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1498857388","https://openalex.org/W1535682870","https://openalex.org/W2069304655","https://openalex.org/W2107855478","https://openalex.org/W2115229528","https://openalex.org/W2137359459","https://openalex.org/W6631995732","https://openalex.org/W6680446220"],"related_works":["https://openalex.org/W2378400844","https://openalex.org/W2382481709","https://openalex.org/W3191518516","https://openalex.org/W2051810066","https://openalex.org/W2099197557","https://openalex.org/W2363113954","https://openalex.org/W2375052911","https://openalex.org/W2773807693","https://openalex.org/W2119589645","https://openalex.org/W1847730076"],"abstract_inverted_index":{"In":[0,45],"synchronous":[1],"DS-CDMA":[2,130,146],"systems":[3],"the":[4,13,93,109,128],"multi-user":[5],"interference":[6],"(MUI)":[7],"caused":[8],"by":[9],"multipath":[10],"propagation":[11],"degrades":[12],"system":[14,131,148],"performance.":[15],"To":[16],"overcome":[17],"this,":[18],"MUI-free":[19,80],"schemes,":[20],"such":[21],"as":[22],"Suehiro's":[23],"CDMA":[24,58],"in":[25,37,100],"N.":[26],"Suehori":[27],"(1994)":[28],"and":[29,35,87,104,123],"H.H.":[30],"Chen":[31],"et":[32,40,69],"al.":[33,41],"(2001)":[34],"CIBS-CDMA":[36],"S.":[38],"Zhou":[39],"(2002)":[42],"are":[43,82],"introduced.":[44],"this":[46],"paper":[47],"a":[48,116],"new":[49],"class":[50],"of":[51,85,102],"cyclic":[52],"prefix":[53],"(CP)":[54],"based":[55],"convolutional":[56],"spreading":[57],"(CS-CDMA/CP)":[59],"scheme":[60],"employing":[61,121,132],"zero":[62],"correlation":[63],"zone":[64],"(ZCZ)":[65],"codes":[66],"[P.Z.":[67],"Fan":[68],"al.,":[70],"May":[71],"1999]":[72],"is":[73,112],"proposed.":[74],"We":[75,114],"show":[76,140],"that":[77],"above":[78],"two":[79],"schemes":[81,111],"special":[83],"cases":[84],"CS-CDMA/CP":[86,120,142],"they":[88],"only":[89],"difference":[90],"comes":[91],"from":[92],"particular":[94],"employed":[95],"ZCZ":[96],"code.":[97],"A":[98],"comparison":[99],"terms":[101],"PAPR":[103],"transmission":[105],"power":[106],"loss":[107],"for":[108],"CS-CDMA":[110],"given.":[113],"consider":[115],"pilot":[117],"aided":[118],"downlink":[119],"equalizers,":[122],"compare":[124],"its":[125],"performance":[126],"with":[127],"conventional":[129],"RAKE":[133],"receivers":[134],"via":[135],"simulation.":[136],"Our":[137],"simulation":[138],"results":[139],"that,":[141],"performs":[143],"better":[144],"than":[145],"when":[147],"has":[149],"many":[150],"users.":[151]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
