{"id":"https://openalex.org/W2021380855","doi":"https://doi.org/10.1109/afrcon.2011.6072085","title":"A memory efficient MAP algorithm for linear block codes","display_name":"A memory efficient MAP algorithm for linear block codes","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2021380855","doi":"https://doi.org/10.1109/afrcon.2011.6072085","mag":"2021380855"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2011.6072085","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072085","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","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/A5110314047","display_name":"Farzad Ghayour","orcid":null},"institutions":[{"id":"https://openalex.org/I95023434","display_name":"University of KwaZulu-Natal","ror":"https://ror.org/04qzfn040","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Farzad Ghayour","raw_affiliation_strings":["School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]},{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa","institution_ids":["https://openalex.org/I95023434"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026426110","display_name":"Fambirai Takawira","orcid":"https://orcid.org/0000-0002-1975-3497"},"institutions":[{"id":"https://openalex.org/I95023434","display_name":"University of KwaZulu-Natal","ror":"https://ror.org/04qzfn040","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Fambirai Takawira","raw_affiliation_strings":["School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]},{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa","institution_ids":["https://openalex.org/I95023434"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008085582","display_name":"Hongjun Xu","orcid":"https://orcid.org/0000-0002-5768-1965"},"institutions":[{"id":"https://openalex.org/I95023434","display_name":"University of KwaZulu-Natal","ror":"https://ror.org/04qzfn040","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Hongjun Xu","raw_affiliation_strings":["School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa"],"affiliations":[{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of KwaZulu-Natal, Durban, South Africa","institution_ids":["https://openalex.org/I95023434"]},{"raw_affiliation_string":"School of Electrical, Electronic & Computer Engineering, University of Kwazulu-Natal, Durban 4041, South Africa","institution_ids":["https://openalex.org/I95023434"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5110314047"],"corresponding_institution_ids":["https://openalex.org/I95023434"],"apc_list":null,"apc_paid":null,"fwci":0.265,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.59931463,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"43","issue":null,"first_page":"1","last_page":"6"},"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/T11321","display_name":"Error Correcting Code Techniques","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/T11873","display_name":"PAPR reduction in OFDM","score":0.9984999895095825,"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":0.7534390091896057},{"id":"https://openalex.org/keywords/difference-map-algorithm","display_name":"Difference-map algorithm","score":0.6630116701126099},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.652330756187439},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6501113772392273},{"id":"https://openalex.org/keywords/maximum-a-posteriori-estimation","display_name":"Maximum a posteriori estimation","score":0.6135135889053345},{"id":"https://openalex.org/keywords/bcjr-algorithm","display_name":"BCJR algorithm","score":0.5700660347938538},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5204210877418518},{"id":"https://openalex.org/keywords/sequential-decoding","display_name":"Sequential decoding","score":0.47566527128219604},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4666250944137573},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.4477463364601135},{"id":"https://openalex.org/keywords/memory-management","display_name":"Memory management","score":0.4156380295753479},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.3952479362487793},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.32484400272369385},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1453070044517517},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.09924787282943726},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.09304696321487427},{"id":"https://openalex.org/keywords/semiconductor-memory","display_name":"Semiconductor memory","score":0.06939530372619629}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7534390091896057},{"id":"https://openalex.org/C3561768","wikidata":"https://www.wikidata.org/wiki/Q5275267","display_name":"Difference-map algorithm","level":2,"score":0.6630116701126099},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.652330756187439},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6501113772392273},{"id":"https://openalex.org/C9810830","wikidata":"https://www.wikidata.org/wiki/Q635384","display_name":"Maximum a posteriori estimation","level":3,"score":0.6135135889053345},{"id":"https://openalex.org/C64948573","wikidata":"https://www.wikidata.org/wiki/Q625117","display_name":"BCJR algorithm","level":5,"score":0.5700660347938538},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5204210877418518},{"id":"https://openalex.org/C193969084","wikidata":"https://www.wikidata.org/wiki/Q7452500","display_name":"Sequential decoding","level":4,"score":0.47566527128219604},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4666250944137573},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.4477463364601135},{"id":"https://openalex.org/C176649486","wikidata":"https://www.wikidata.org/wiki/Q2308807","display_name":"Memory management","level":3,"score":0.4156380295753479},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.3952479362487793},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.32484400272369385},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1453070044517517},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.09924787282943726},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.09304696321487427},{"id":"https://openalex.org/C98986596","wikidata":"https://www.wikidata.org/wiki/Q1143031","display_name":"Semiconductor memory","level":2,"score":0.06939530372619629},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2011.6072085","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072085","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","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":18,"referenced_works":["https://openalex.org/W389164294","https://openalex.org/W1534925464","https://openalex.org/W1562979145","https://openalex.org/W2045407304","https://openalex.org/W2102864653","https://openalex.org/W2115198523","https://openalex.org/W2121606987","https://openalex.org/W2124534934","https://openalex.org/W2140328015","https://openalex.org/W2146694142","https://openalex.org/W2153358447","https://openalex.org/W2163620851","https://openalex.org/W2176476591","https://openalex.org/W2798333393","https://openalex.org/W2987657883","https://openalex.org/W4239889878","https://openalex.org/W6632090173","https://openalex.org/W7058185620"],"related_works":["https://openalex.org/W2349571781","https://openalex.org/W2129042426","https://openalex.org/W2010879611","https://openalex.org/W2271950018","https://openalex.org/W2263591233","https://openalex.org/W1867639840","https://openalex.org/W2148412668","https://openalex.org/W2100042218","https://openalex.org/W2111819142","https://openalex.org/W2159169051"],"abstract_inverted_index":{"It":[0],"is":[1,19],"usually":[2],"assumed":[3],"that":[4],"for":[5,32,71],"implementing":[6],"the":[7,16,25,33,45,62,68,72],"maximum":[8],"a":[9,42,53],"posteriori":[10],"(MAP)":[11],"decoding":[12,29],"algorithm,":[13,47],"saving":[14],"all":[15],"state":[17],"metrics":[18],"required.":[20],"This":[21],"memory":[22,63],"requirement":[23],"makes":[24],"MAP":[26,46],"an":[27],"impractical":[28],"algorithm":[30,74],"especially":[31],"non-binary":[34],"block":[35],"codes.":[36],"In":[37],"this":[38],"paper,":[39],"we":[40],"present":[41],"modification":[43],"of":[44],"in":[48],"order":[49],"to":[50],"make":[51],"it":[52],"more":[54],"feasible":[55],"algorithm.":[56],"The":[57],"computational":[58],"complexity":[59],"analysis":[60],"and":[61],"requirements":[64],"as":[65,67],"well":[66],"simulation":[69],"results":[70],"proposed":[73],"are":[75],"presented.":[76]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
