{"id":"https://openalex.org/W2091150075","doi":"https://doi.org/10.1109/ispacs.2011.6146112","title":"LDPC decoder with modified LLR for bit patterned media with write errors","display_name":"LDPC decoder with modified LLR for bit patterned media with write errors","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2091150075","doi":"https://doi.org/10.1109/ispacs.2011.6146112","mag":"2091150075"},"language":"en","primary_location":{"id":"doi:10.1109/ispacs.2011.6146112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2011.6146112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS)","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/A5022720542","display_name":"Warangrat Wiriya","orcid":"https://orcid.org/0000-0001-6594-4510"},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":true,"raw_author_name":"Warangrat Wiriya","raw_affiliation_strings":["Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand"],"affiliations":[{"raw_affiliation_string":"Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand","institution_ids":["https://openalex.org/I91538806"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041482506","display_name":"Watid Phakphisut","orcid":"https://orcid.org/0000-0003-4073-9144"},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Watid Phakphisut","raw_affiliation_strings":["Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand"],"affiliations":[{"raw_affiliation_string":"Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand","institution_ids":["https://openalex.org/I91538806"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109871505","display_name":"Pornchai Supnithi","orcid":null},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":false,"raw_author_name":"Pornchai Supnithi","raw_affiliation_strings":["Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand"],"affiliations":[{"raw_affiliation_string":"Faculty ofEngineering ineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Engineering, King Mongkut\u00bfs Institute of Technology Ladkrabang, Bangkok, 10520 Thailand","institution_ids":["https://openalex.org/I91538806"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5022720542"],"corresponding_institution_ids":["https://openalex.org/I91538806"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16539175,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","score":0.9998999834060669,"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/T11321","display_name":"Error Correcting Code Techniques","score":0.9998999834060669,"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/T11181","display_name":"Advanced Data Storage Technologies","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"}},{"id":"https://openalex.org/T12029","display_name":"DNA and Biological Computing","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.9309186935424805},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7583829164505005},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.7531545162200928},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5736954212188721},{"id":"https://openalex.org/keywords/error-detection-and-correction","display_name":"Error detection and correction","score":0.5455595254898071},{"id":"https://openalex.org/keywords/probability-of-error","display_name":"Probability of error","score":0.5315544009208679},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5119577646255493},{"id":"https://openalex.org/keywords/margin","display_name":"Margin (machine learning)","score":0.5013611316680908},{"id":"https://openalex.org/keywords/parity-bit","display_name":"Parity bit","score":0.45442086458206177},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.43031543493270874},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.32244014739990234},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1375955045223236}],"concepts":[{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.9309186935424805},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7583829164505005},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7531545162200928},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5736954212188721},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.5455595254898071},{"id":"https://openalex.org/C92224547","wikidata":"https://www.wikidata.org/wiki/Q1673216","display_name":"Probability of error","level":2,"score":0.5315544009208679},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5119577646255493},{"id":"https://openalex.org/C774472","wikidata":"https://www.wikidata.org/wiki/Q6760393","display_name":"Margin (machine learning)","level":2,"score":0.5013611316680908},{"id":"https://openalex.org/C131521367","wikidata":"https://www.wikidata.org/wiki/Q625502","display_name":"Parity bit","level":2,"score":0.45442086458206177},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.43031543493270874},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32244014739990234},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1375955045223236},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ispacs.2011.6146112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ispacs.2011.6146112","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322437","display_name":"National Science and Technology Development Agency","ror":"https://ror.org/04vy95b61"},{"id":"https://openalex.org/F4320326788","display_name":"National Electronics and Computer Technology Center","ror":"https://ror.org/04z82ry91"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1964402820","https://openalex.org/W2074061585","https://openalex.org/W2097165906","https://openalex.org/W2132655550","https://openalex.org/W2150757167","https://openalex.org/W2156938362","https://openalex.org/W2159781015","https://openalex.org/W2169811229","https://openalex.org/W4256648168","https://openalex.org/W6668851447","https://openalex.org/W6679688427"],"related_works":["https://openalex.org/W4225319325","https://openalex.org/W1995335316","https://openalex.org/W2306469233","https://openalex.org/W2065356549","https://openalex.org/W2118844295","https://openalex.org/W2181665053","https://openalex.org/W2109390513","https://openalex.org/W2790387741","https://openalex.org/W2076999648","https://openalex.org/W2124455219"],"abstract_inverted_index":{"Write-in":[0],"error":[1,43,62,91,118],"is":[2,51,73,110],"a":[3],"crucial":[4],"issue":[5],"that":[6,104],"needs":[7],"to":[8,25],"be":[9],"tackled":[10],"in":[11,78,97],"bit":[12],"patterned":[13],"media":[14],"(BPM)":[15],"recording.":[16],"Previous":[17],"works":[18],"apply":[19],"the":[20,27,31,41,47,54,59,66,83,86,94,98,105,116,121],"low-density":[21],"parity-check":[22],"(LDPC)":[23],"codes":[24,36],"improve":[26],"system":[28],"performance":[29,67,106],"and":[30,93],"write":[32,42,61,90,117],"margin.":[33],"However,":[34],"LDPC":[35,55,108],"are":[37],"not":[38,74],"designed":[39],"for":[40,65],"channel":[44],"(WEC).":[45],"Therefore,":[46],"log-likelihood":[48],"ratio":[49],"(LLR)":[50],"modified":[52],"at":[53],"decoder":[56],"by":[57],"incorporating":[58],"information":[60],"probability":[63,72,92,119],"(p)":[64],"improvement.":[68],"In":[69],"practice,":[70],"such":[71],"precisely":[75],"known,":[76],"therefore,":[77],"this":[79],"work,":[80],"we":[81],"investigate":[82],"effects":[84],"of":[85,88,107,120],"mismatch":[87],"expected":[89],"actual":[95],"one":[96],"BPM":[99],"system.":[100],"The":[101],"results":[102],"show":[103],"decoding":[109],"worse":[111],"when":[112],"p":[113],"mismatches":[114],"with":[115],"WEC.":[122]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}