{"id":"https://openalex.org/W4234370111","doi":"https://doi.org/10.1109/glocom.2014.7417425","title":"Non-Binary LDPC Code Optimization for Partial-Response Channels","display_name":"Non-Binary LDPC Code Optimization for Partial-Response Channels","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W4234370111","doi":"https://doi.org/10.1109/glocom.2014.7417425"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2014.7417425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417425","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","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/A5066643381","display_name":"Ahmed Hareedy","orcid":"https://orcid.org/0000-0002-8523-6754"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ahmed Hareedy","raw_affiliation_strings":["Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022383235","display_name":"Behzad Amiri","orcid":"https://orcid.org/0000-0002-0952-4957"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Behzad Amiri","raw_affiliation_strings":["Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016957247","display_name":"Shancheng Zhao","orcid":"https://orcid.org/0000-0002-0544-8416"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shancheng Zhao","raw_affiliation_strings":["Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030908259","display_name":"Rick Galbraith","orcid":"https://orcid.org/0000-0002-0377-7857"},"institutions":[{"id":"https://openalex.org/I4210121352","display_name":"Western Digital (United States)","ror":"https://ror.org/02hqwnx33","country_code":"US","type":"company","lineage":["https://openalex.org/I4210121352"]},{"id":"https://openalex.org/I86725329","display_name":"Hitachi Global Storage Technologies (United States)","ror":"https://ror.org/02q0s1x22","country_code":"US","type":"company","lineage":["https://openalex.org/I86725329"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Richard Galbraith","raw_affiliation_strings":["Hitachi Global Storage Technologies, A Western Digital Company, Rochester, MN, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hitachi Global Storage Technologies, A Western Digital Company, Rochester, MN, USA","institution_ids":["https://openalex.org/I86725329","https://openalex.org/I4210121352"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075795132","display_name":"Lara Dolecek","orcid":"https://orcid.org/0000-0003-3736-4345"},"institutions":[{"id":"https://openalex.org/I161318765","display_name":"University of California, Los Angeles","ror":"https://ror.org/046rm7j60","country_code":"US","type":"education","lineage":["https://openalex.org/I161318765"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lara Dolecek","raw_affiliation_strings":["Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Eng. Department, University of California, Los Angeles, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I161318765"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.39317774,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11321","display_name":"Error Correcting Code Techniques","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/T11321","display_name":"Error Correcting Code Techniques","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":0.9983999729156494,"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/T11181","display_name":"Advanced Data Storage Technologies","score":0.9879999756813049,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.9536450505256653},{"id":"https://openalex.org/keywords/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.7413455247879028},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6442707777023315},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5731241106987},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5574185252189636},{"id":"https://openalex.org/keywords/error-detection-and-correction","display_name":"Error detection and correction","score":0.54952472448349},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.5135581493377686},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4636562764644623},{"id":"https://openalex.org/keywords/forward-error-correction","display_name":"Forward error correction","score":0.4600747227668762},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.4327021539211273},{"id":"https://openalex.org/keywords/concatenated-error-correction-code","display_name":"Concatenated error correction code","score":0.41760265827178955},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.34771230816841125},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30659031867980957},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17491894960403442},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.11819937825202942},{"id":"https://openalex.org/keywords/block-code","display_name":"Block code","score":0.11153712868690491}],"concepts":[{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.9536450505256653},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.7413455247879028},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6442707777023315},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5731241106987},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5574185252189636},{"id":"https://openalex.org/C103088060","wikidata":"https://www.wikidata.org/wiki/Q1062839","display_name":"Error detection and correction","level":2,"score":0.54952472448349},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.5135581493377686},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4636562764644623},{"id":"https://openalex.org/C202932441","wikidata":"https://www.wikidata.org/wiki/Q55611017","display_name":"Forward error correction","level":3,"score":0.4600747227668762},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.4327021539211273},{"id":"https://openalex.org/C78944582","wikidata":"https://www.wikidata.org/wiki/Q5158264","display_name":"Concatenated error correction code","level":4,"score":0.41760265827178955},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.34771230816841125},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30659031867980957},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17491894960403442},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.11819937825202942},{"id":"https://openalex.org/C157125643","wikidata":"https://www.wikidata.org/wiki/Q884707","display_name":"Block code","level":3,"score":0.11153712868690491},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2014.7417425","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2014.7417425","pdf_url":null,"source":{"id":"https://openalex.org/S4363607712","display_name":"2015 IEEE Global Communications Conference (GLOBECOM)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:https://open.metu.edu.tr:11511/98374","is_oa":false,"landing_page_url":"https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964913251&origin=inward","pdf_url":null,"source":{"id":"https://openalex.org/S4306402495","display_name":"OpenMETU (Middle East Technical University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I201799495","host_organization_name":"Middle East Technical University","host_organization_lineage":["https://openalex.org/I201799495"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"58th IEEE Global Communications Conference, GLOBECOM 2015","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1597836871","https://openalex.org/W1972054094","https://openalex.org/W1989372911","https://openalex.org/W2055498716","https://openalex.org/W2106675807","https://openalex.org/W2109866575","https://openalex.org/W2110984563","https://openalex.org/W2140570026","https://openalex.org/W2140609570","https://openalex.org/W2145359430","https://openalex.org/W2154756387","https://openalex.org/W2158514560","https://openalex.org/W2170998175","https://openalex.org/W2173776306"],"related_works":["https://openalex.org/W4289655494","https://openalex.org/W1984351496","https://openalex.org/W2171154110","https://openalex.org/W2169741682","https://openalex.org/W2886957319","https://openalex.org/W1650655882","https://openalex.org/W2623918504","https://openalex.org/W2957709805","https://openalex.org/W2126543779","https://openalex.org/W2169811229"],"abstract_inverted_index":{"In":[0],"this":[1,109],"paper,":[2],"we":[3,154],"analyze":[4],"and":[5,83,253,262],"optimize":[6],"non-":[7],"binary":[8,26,71,252],"low-density":[9],"parity-check":[10],"(NB-LDPC)":[11],"codes":[12,28,52,67,93,249],"for":[13,184,256],"magnetic":[14],"recording":[15],"applications.":[16],"While":[17],"the":[18,21,46,59,86,88,102,159,167,191,203,209,221,234],"topic":[19],"of":[20,25,50,56,65,91,147,163,171,176,218,265],"error":[22,47,89,103,127,205,210],"floor":[23,48,128,211],"performance":[24,49],"LDPC":[27],"over":[29,53,94,105,220],"additive":[30],"white":[31],"Gaussian":[32],"noise":[33],"(AWGN)":[34],"channels":[35,97,107,258],"has":[36],"recently":[37],"received":[38],"considerable":[39],"attention,":[40],"very":[41],"little":[42],"is":[43,98],"known":[44],"about":[45,260],"NB-LDPC":[51,66,92,254],"other":[54],"types":[55],"channels,":[57],"despite":[58],"early":[60],"results":[61],"demonstrating":[62],"superior":[63],"characteristics":[64],"relative":[68],"to":[69,78,113,158,166,215],"their":[70],"counterparts.":[72],"We":[73,130,187],"first":[74],"show":[75],"that,":[76],"due":[77,157],"outer":[79],"looping":[80],"between":[81],"detector":[82],"decoder":[84],"in":[85,181,202,208],"receiver,":[87],"profile":[90,104],"partial-response":[95],"(PR)":[96],"qualitatively":[99],"different":[100],"from":[101,233],"AWGN":[106],"-":[108],"observation":[110],"motivates":[111],"us":[112],"introduce":[114],"new":[115],"combinatorial":[116],"definitions":[117],"aimed":[118,195],"at":[119,196],"capturing":[120],"decoding":[121],"errors":[122,133],"that":[123,156,190],"dominate":[124],"PR":[125,185,257],"channel":[126],"region.":[129],"call":[131],"these":[132],"(or":[134],"objects)":[135],"balanced":[136],"absorbing":[137,150],"sets":[138,151],"(BASs),":[139],"which":[140],"are":[141],"viewed":[142],"as":[143],"a":[144],"special":[145],"subclass":[146],"previously":[148],"introduced":[149],"(ASs).":[152],"Additionally,":[153],"prove":[155],"more":[160,168],"restrictive":[161],"definition":[162],"BASs":[164,199,232],"(relative":[165],"general":[169],"class":[170],"ASs),":[172],"an":[173],"additional":[174],"degree":[175],"freedom":[177],"can":[178],"be":[179],"exploited":[180],"code":[182,193,225,235],"design":[183],"channels.":[186],"then":[188],"demonstrate":[189],"proposed":[192],"optimization":[194,226],"removing":[197],"dominant":[198],"offers":[200],"improvements":[201],"frame":[204],"rate":[206],"(FER)":[207],"region":[212],"by":[213,259],"up":[214],"2.5":[216,261],"orders":[217,264],"magnitude":[219],"uninformed":[222],"designs.":[223],"Our":[224],"technique":[227],"carefully":[228],"yet":[229],"provably":[230],"removes":[231],"while":[236],"preserving":[237],"its":[238],"overall":[239],"structure":[240],"(node":[241],"degree,":[242],"quasi-cyclic":[243],"property,":[244],"regularity,":[245],"etc.).":[246],"The":[247],"resulting":[248],"outperform":[250],"existing":[251],"solutions":[255],"1.5":[263],"magnitude,":[266],"respectively.":[267]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
