{"id":"https://openalex.org/W2151321029","doi":"https://doi.org/10.1109/icc.2004.1313055","title":"A new MAP channel decoder trellis path metric for a CDMA mobile subject to channel estimation errors","display_name":"A new MAP channel decoder trellis path metric for a CDMA mobile subject to channel estimation errors","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W2151321029","doi":"https://doi.org/10.1109/icc.2004.1313055","mag":"2151321029"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2004.1313055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2004.1313055","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577)","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/A5014191898","display_name":"Geoffrey G. Messier","orcid":"https://orcid.org/0000-0002-9825-3238"},"institutions":[{"id":"https://openalex.org/I153908563","display_name":"Nortel (Canada)","ror":"https://ror.org/03rz4pm90","country_code":"CA","type":"company","lineage":["https://openalex.org/I153908563"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"G.G. Messier","raw_affiliation_strings":["Nortel Networks, University of Alberta, TRLaboratories, Calgary, Canada"],"affiliations":[{"raw_affiliation_string":"Nortel Networks, University of Alberta, TRLaboratories, Calgary, Canada","institution_ids":["https://openalex.org/I153908563"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030687850","display_name":"Witold A. Krzymie\u0144","orcid":"https://orcid.org/0000-0002-2799-4733"},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"W.A. Krzymien","raw_affiliation_strings":["University of Alberta/TRLaboratories, Edmonton, Canada"],"affiliations":[{"raw_affiliation_string":"University of Alberta/TRLaboratories, Edmonton, Canada","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5014191898"],"corresponding_institution_ids":["https://openalex.org/I153908563"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.18068461,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":null,"first_page":"2879","last_page":"2883 Vol.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":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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9923999905586243,"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/trellis","display_name":"Trellis (graph)","score":0.7807250022888184},{"id":"https://openalex.org/keywords/rake-receiver","display_name":"Rake receiver","score":0.7192811965942383},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.6139081120491028},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6069836020469666},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5653420686721802},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5130277872085571},{"id":"https://openalex.org/keywords/code-division-multiple-access","display_name":"Code division multiple access","score":0.48324212431907654},{"id":"https://openalex.org/keywords/turbo-code","display_name":"Turbo code","score":0.4318233132362366},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.415483295917511},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.38569796085357666},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.35340380668640137},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3460577130317688},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20851409435272217},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10060247778892517}],"concepts":[{"id":"https://openalex.org/C2781235587","wikidata":"https://www.wikidata.org/wiki/Q7838009","display_name":"Trellis (graph)","level":3,"score":0.7807250022888184},{"id":"https://openalex.org/C23486597","wikidata":"https://www.wikidata.org/wiki/Q1125543","display_name":"Rake receiver","level":4,"score":0.7192811965942383},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.6139081120491028},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6069836020469666},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5653420686721802},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5130277872085571},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.48324212431907654},{"id":"https://openalex.org/C114504821","wikidata":"https://www.wikidata.org/wiki/Q2164281","display_name":"Turbo code","level":3,"score":0.4318233132362366},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.415483295917511},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38569796085357666},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.35340380668640137},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3460577130317688},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20851409435272217},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10060247778892517},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2004.1313055","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2004.1313055","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577)","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":12,"referenced_works":["https://openalex.org/W1542306603","https://openalex.org/W1559451668","https://openalex.org/W1930452731","https://openalex.org/W2046245205","https://openalex.org/W2079575389","https://openalex.org/W2114647078","https://openalex.org/W2116597361","https://openalex.org/W2128844073","https://openalex.org/W2163895933","https://openalex.org/W4233022137","https://openalex.org/W4239653277","https://openalex.org/W6676704478"],"related_works":["https://openalex.org/W2390705684","https://openalex.org/W2122610910","https://openalex.org/W2169446788","https://openalex.org/W2103630914","https://openalex.org/W1578685570","https://openalex.org/W2360540138","https://openalex.org/W2337528266","https://openalex.org/W2111352674","https://openalex.org/W1559561985","https://openalex.org/W1913101259"],"abstract_inverted_index":{"A":[0],"new":[1,99,121],"trellis":[2,94],"path":[3,95],"metric":[4,17,59,96,108,122],"is":[5,54,60,109,118,132],"derived":[6,62],"for":[7,19,51],"the":[8,20,28,36,58,65,72,81,87,91,98,106,111,120],"CDMA":[9,82],"mobile":[10,32,88],"MAP":[11],"and":[12],"logMAP":[13,93],"turbo":[14],"decoders.":[15],"This":[16],"accounts":[18],"non-Gaussian":[21],"received":[22],"symbol":[23],"probability":[24],"distribution":[25,53],"seen":[26],"at":[27],"output":[29],"of":[30,68],"a":[31,124],"RAKE":[33,37],"receiver":[34],"when":[35,86,114,128],"combining":[38],"weights":[39],"are":[40,75],"subject":[41],"to":[42,56,71,78],"channel":[43,115,129],"estimation":[44,116,130],"error.":[45],"Since":[46],"an":[47,69],"exact":[48],"analytical":[49],"expression":[50],"this":[52],"difficult":[55],"find,":[57],"instead":[61],"by":[63],"finding":[64],"characteristic":[66],"function":[67],"approximation":[70],"distribution.":[73],"Simulations":[74],"then":[76],"used":[77],"compare":[79],"how":[80],"forward":[83],"link":[84],"performs":[85],"uses":[89],"either":[90],"conventional":[92,107],"or":[97],"metric.":[100],"The":[101],"results":[102],"indicate":[103],"that":[104],"while":[105],"still":[110],"best":[112],"choice":[113],"error":[117,131],"small,":[119],"provides":[123],"significant":[125],"performance":[126],"improvement":[127],"large.":[133]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
