{"id":"https://openalex.org/W2170417255","doi":"https://doi.org/10.1109/icc.2003.1204372","title":"Code-timing estimation for CDMA systems with bandlimited chip waveforms","display_name":"Code-timing estimation for CDMA systems with bandlimited chip waveforms","publication_year":2004,"publication_date":"2004-03-30","ids":{"openalex":"https://openalex.org/W2170417255","doi":"https://doi.org/10.1109/icc.2003.1204372","mag":"2170417255"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2003.1204372","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2003.1204372","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, 2003. ICC '03.","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/A5075022588","display_name":"Rensheng Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I108468826","display_name":"Stevens Institute of Technology","ror":"https://ror.org/02z43xh36","country_code":"US","type":"education","lineage":["https://openalex.org/I108468826"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Rensheng Wang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA","institution_ids":["https://openalex.org/I108468826"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100365817","display_name":"Hongbin Li","orcid":"https://orcid.org/0000-0003-1453-847X"},"institutions":[{"id":"https://openalex.org/I108468826","display_name":"Stevens Institute of Technology","ror":"https://ror.org/02z43xh36","country_code":"US","type":"education","lineage":["https://openalex.org/I108468826"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Hongbin Li","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA","institution_ids":["https://openalex.org/I108468826"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5075022588"],"corresponding_institution_ids":["https://openalex.org/I108468826"],"apc_list":null,"apc_paid":null,"fwci":0.4635,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.73290201,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"4","issue":null,"first_page":"2440","last_page":"2444"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9998999834060669,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.988099992275238,"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/algorithm","display_name":"Algorithm","score":0.6619307398796082},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5791819095611572},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5785623788833618},{"id":"https://openalex.org/keywords/bandlimiting","display_name":"Bandlimiting","score":0.519180178642273},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.46391716599464417},{"id":"https://openalex.org/keywords/multipath-propagation","display_name":"Multipath propagation","score":0.44217658042907715},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4286677837371826},{"id":"https://openalex.org/keywords/rayleigh-fading","display_name":"Rayleigh fading","score":0.4207227826118469},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2947138547897339},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2136438488960266},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.19091278314590454},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16906386613845825}],"concepts":[{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6619307398796082},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5791819095611572},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5785623788833618},{"id":"https://openalex.org/C129997835","wikidata":"https://www.wikidata.org/wiki/Q806263","display_name":"Bandlimiting","level":3,"score":0.519180178642273},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.46391716599464417},{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.44217658042907715},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4286677837371826},{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.4207227826118469},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2947138547897339},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2136438488960266},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.19091278314590454},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16906386613845825},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2003.1204372","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2003.1204372","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, 2003. ICC '03.","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":32,"referenced_works":["https://openalex.org/W391578156","https://openalex.org/W1514558801","https://openalex.org/W1520049460","https://openalex.org/W1530239534","https://openalex.org/W1596939795","https://openalex.org/W1766888123","https://openalex.org/W1999847665","https://openalex.org/W2000804746","https://openalex.org/W2025372136","https://openalex.org/W2045969814","https://openalex.org/W2077246533","https://openalex.org/W2098452713","https://openalex.org/W2100786767","https://openalex.org/W2115939625","https://openalex.org/W2126604236","https://openalex.org/W2128131274","https://openalex.org/W2129043776","https://openalex.org/W2130789068","https://openalex.org/W2134062780","https://openalex.org/W2144152858","https://openalex.org/W2145417574","https://openalex.org/W2150142340","https://openalex.org/W2153708511","https://openalex.org/W2155235353","https://openalex.org/W2155725745","https://openalex.org/W2158620689","https://openalex.org/W2163645146","https://openalex.org/W2610857016","https://openalex.org/W2798333393","https://openalex.org/W2912369344","https://openalex.org/W2913465992","https://openalex.org/W6661789313"],"related_works":["https://openalex.org/W2376969857","https://openalex.org/W207732638","https://openalex.org/W2801592279","https://openalex.org/W2171869298","https://openalex.org/W2034040913","https://openalex.org/W2107810879","https://openalex.org/W2257001073","https://openalex.org/W1503152075","https://openalex.org/W1992602584","https://openalex.org/W2549306799"],"abstract_inverted_index":{"In":[0],"this":[1,75],"paper,":[2],"we":[3,77,111],"present":[4],"a":[5,24,40],"novel":[6],"code-timing":[7,97,119,134],"estimation":[8,120],"for":[9,117,136],"asynchronous":[10],"direct-sequence":[11],"(DS)":[12],"code-division":[13],"multiple-access":[14,36],"(CDMA)":[15],"systems":[16],"utilizing":[17],"bandlimited":[18,137],"chip":[19],"waveforms.":[20],"We":[21],"start":[22],"from":[23],"maximum":[25],"likelihood":[26],"(ML)":[27],"approach":[28],"that":[29,67,95],"model":[30],"the":[31,49,82,108,118,129,132],"inter-symbol":[32],"interference":[33,37],"(ISI)":[34],"and":[35,59,85,98],"(MAI)":[38],"as":[39],"colored":[41],"Gaussian":[42],"process":[43],"with":[44,74],"unknown":[45],"covariance":[46],"matrix":[47],"in":[48,139],"frequency":[50],"domain.":[51],"The":[52],"exact":[53],"ML":[54,83,93],"estimator":[55,94,135],"is":[56,68],"highly":[57],"nonlinear":[58],"requires":[60],"iterative":[61],"searches":[62],"over":[63],"multidimensional":[64],"parameter":[65],"space":[66],"impractical":[69],"to":[70,90,127],"implement.":[71],"To":[72,106],"deal":[73],"difficulty,":[76],"invoke":[78],"asymptotic":[79,92],"approximations":[80],"of":[81,131],"criterion":[84],"reparameterization":[86],"techniques,":[87],"which":[88],"lead":[89],"an":[91],"yields":[96],"channel":[99],"estimates":[100],"via":[101],"efficient":[102],"non-iterative":[103],"quadratic":[104],"optimizations.":[105],"benchmark":[107],"proposed":[109,133],"estimator,":[110],"provide":[112],"Cramer-Rao":[113],"bound":[114],"(CRB)":[115],"analysis":[116],"problem.":[121],"Numerical":[122],"simulation":[123],"results":[124],"are":[125],"presented":[126],"illustrate":[128],"performance":[130],"CDMA":[138],"multipath":[140],"fading":[141],"channels.":[142]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}