{"id":"https://openalex.org/W2093501829","doi":"https://doi.org/10.1109/vetecs.2010.5493910","title":"Coded QAM in Multicode CDMA Systems","display_name":"Coded QAM in Multicode CDMA Systems","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2093501829","doi":"https://doi.org/10.1109/vetecs.2010.5493910","mag":"2093501829"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2010.5493910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2010.5493910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE 71st 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/A5085292302","display_name":"Bin Xia","orcid":"https://orcid.org/0000-0003-4713-5765"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Xia","raw_affiliation_strings":["Wireless Research Department, Huawei Technologies Company Limited, Shanghai, China","Wireless Res. Dept., Huawei Technol., Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Research Department, Huawei Technologies Company Limited, Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]},{"raw_affiliation_string":"Wireless Res. Dept., Huawei Technol., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114973546","display_name":"Huiling Zhu","orcid":"https://orcid.org/0000-0003-3021-5013"},"institutions":[{"id":"https://openalex.org/I20581793","display_name":"University of Kent","ror":"https://ror.org/00xkeyj56","country_code":"GB","type":"education","lineage":["https://openalex.org/I20581793"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Huiling Zhu","raw_affiliation_strings":["School of Engineering and Digital Arts, University of Kent, UK","School of Engineering and Digital Arts, University of Kent Canterbury, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Engineering and Digital Arts, University of Kent, UK","institution_ids":["https://openalex.org/I20581793"]},{"raw_affiliation_string":"School of Engineering and Digital Arts, University of Kent Canterbury, UK","institution_ids":["https://openalex.org/I20581793"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2897,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.64722768,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"57","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":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/T11873","display_name":"PAPR reduction in OFDM","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.717769980430603},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.6638068556785583},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.6208090782165527},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.6172303557395935},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.6095418334007263},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5590029954910278},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.5165261626243591},{"id":"https://openalex.org/keywords/multipath-interference","display_name":"Multipath interference","score":0.5106135010719299},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.5091931223869324},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.47921448945999146},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.430253267288208},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4260375499725342},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.35183197259902954},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2899026870727539},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1236230731010437}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.717769980430603},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.6638068556785583},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.6208090782165527},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.6172303557395935},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.6095418334007263},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5590029954910278},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.5165261626243591},{"id":"https://openalex.org/C174749922","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath interference","level":4,"score":0.5106135010719299},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.5091931223869324},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.47921448945999146},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.430253267288208},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4260375499725342},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35183197259902954},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2899026870727539},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1236230731010437}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vetecs.2010.5493910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2010.5493910","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE 71st Vehicular Technology Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:kar.kent.ac.uk:25990","is_oa":false,"landing_page_url":"https://kar.kent.ac.uk/25990/","pdf_url":null,"source":{"id":"https://openalex.org/S4377196264","display_name":"Kent Academic Repository (University of Kent)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I20581793","host_organization_name":"University of Kent","host_organization_lineage":["https://openalex.org/I20581793"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference or workshop item"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47999998927116394,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W651704331","https://openalex.org/W1564518770","https://openalex.org/W1995319790","https://openalex.org/W2038357739","https://openalex.org/W2060801734","https://openalex.org/W2081913144","https://openalex.org/W2087560114","https://openalex.org/W2098212908","https://openalex.org/W2099761420","https://openalex.org/W2100119961","https://openalex.org/W2104545276","https://openalex.org/W2113430759","https://openalex.org/W2115989312","https://openalex.org/W2116737556","https://openalex.org/W2122989348","https://openalex.org/W2123146106","https://openalex.org/W2123958913","https://openalex.org/W2129140105","https://openalex.org/W2134275517","https://openalex.org/W2136133623","https://openalex.org/W2138208223","https://openalex.org/W2139528262","https://openalex.org/W2143556359","https://openalex.org/W2152915940","https://openalex.org/W2153628008","https://openalex.org/W2160465471","https://openalex.org/W2167998939","https://openalex.org/W6676781325"],"related_works":["https://openalex.org/W4390873927","https://openalex.org/W2159438609","https://openalex.org/W2900995485","https://openalex.org/W2147334234","https://openalex.org/W3196902411","https://openalex.org/W2139936226","https://openalex.org/W1970526599","https://openalex.org/W3026565890","https://openalex.org/W2064534496","https://openalex.org/W2161389097"],"abstract_inverted_index":{"In":[0,45],"this":[1],"paper,":[2],"the":[3,6,23,49,65,97],"performance":[4,108],"of":[5,25,71,80,113],"downlink":[7],"multicode":[8,29],"CDMA":[9,43],"systems":[10],"with":[11,22],"bit":[12,72],"interleaved":[13],"coded":[14],"multi-level":[15,33],"quadrature":[16],"amplitude":[17],"modulation":[18,34,130],"(BIC-MQAM)":[19],"is":[20,76],"studied":[21],"consideration":[24],"interference":[26,54,95,99],"cancellation.":[27],"Generally,":[28],"transmission":[30],"and":[31,56,118],"adaptive":[32],"are":[35,62],"used":[36],"for":[37],"flexible":[38],"data":[39],"rate":[40,74],"transmissions":[41],"in":[42,78,111],"systems.":[44],"order":[46],"to":[47,86,106],"improve":[48],"system":[50,122],"performance,":[51],"multistage":[52],"parallel":[53],"cancellation":[55],"soft":[57],"decision":[58],"Viterbi":[59],"decoding":[60],"techniques":[61],"employed":[63],"at":[64],"receiver.":[66],"An":[67],"analytical":[68],"closed":[69],"form":[70],"error":[73,84,117],"(BER)":[75],"derived":[77],"presence":[79,112],"pilot":[81],"channel":[82,115],"estimation":[83,116],"due":[85],"multipath":[87,98,119],"interference.":[88,120],"Numerical":[89],"results":[90],"show":[91],"that":[92],"by":[93,127],"using":[94,128],"cancellation,":[96],"can":[100,124],"be":[101,125],"effectively":[102],"reduced,":[103],"which":[104],"leads":[105],"significant":[107],"improvement":[109],"even":[110],"both":[114],"Also,":[121],"throughput":[123],"increased":[126],"high-order":[129],"without":[131],"extra":[132],"bandwidth":[133],"expansion.":[134]},"counts_by_year":[],"updated_date":"2026-07-02T09:51:11.867554","created_date":"2025-10-10T00:00:00"}