{"id":"https://openalex.org/W2996821482","doi":"https://doi.org/10.1109/access.2019.2962266","title":"Modified SNR Gap Approximation for Resource Allocation in LDPC-Coded Multicarrier Systems","display_name":"Modified SNR Gap Approximation for Resource Allocation in LDPC-Coded Multicarrier Systems","publication_year":2019,"publication_date":"2019-12-25","ids":{"openalex":"https://openalex.org/W2996821482","doi":"https://doi.org/10.1109/access.2019.2962266","mag":"2996821482"},"language":"en","primary_location":{"id":"doi:10.1109/access.2019.2962266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2962266","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08943196.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08943196.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5003396489","display_name":"Adriaan Suls","orcid":"https://orcid.org/0000-0003-3981-2260"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Adriaan Suls","raw_affiliation_strings":["Department of Telecommunications and Information Processing, Ghent University, Ghent, Belgium"],"raw_orcid":"https://orcid.org/0000-0003-3981-2260","affiliations":[{"raw_affiliation_string":"Department of Telecommunications and Information Processing, Ghent University, Ghent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000545872","display_name":"Jeroen Verdyck","orcid":"https://orcid.org/0000-0002-5041-4661"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Jeroen Verdyck","raw_affiliation_strings":["STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-5041-4661","affiliations":[{"raw_affiliation_string":"STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051849103","display_name":"Marc Moonen","orcid":"https://orcid.org/0000-0003-4461-0073"},"institutions":[{"id":"https://openalex.org/I99464096","display_name":"KU Leuven","ror":"https://ror.org/05f950310","country_code":"BE","type":"education","lineage":["https://openalex.org/I99464096"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Marc Moonen","raw_affiliation_strings":["STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium"],"raw_orcid":"https://orcid.org/0000-0003-4461-0073","affiliations":[{"raw_affiliation_string":"STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium","institution_ids":["https://openalex.org/I99464096"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5025215036","display_name":"Marc Moeneclaey","orcid":"https://orcid.org/0000-0002-0759-7140"},"institutions":[{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Marc Moeneclaey","raw_affiliation_strings":["Department of Telecommunications and Information Processing, Ghent University, Ghent, Belgium"],"raw_orcid":"https://orcid.org/0000-0002-0759-7140","affiliations":[{"raw_affiliation_string":"Department of Telecommunications and Information Processing, Ghent University, Ghent, Belgium","institution_ids":["https://openalex.org/I32597200"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.2335,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.56261337,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":null,"first_page":"1577","last_page":"1586"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","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"}},"topics":[{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network Optimization","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/T12146","display_name":"Power Line Communications and Noise","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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/low-density-parity-check-code","display_name":"Low-density parity-check code","score":0.6852295398712158},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6565234661102295},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.5045503377914429},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.495079904794693},{"id":"https://openalex.org/keywords/digital-subscriber-line","display_name":"Digital subscriber line","score":0.4576500952243805},{"id":"https://openalex.org/keywords/approximation-theory","display_name":"Approximation theory","score":0.441710889339447},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4228239357471466},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.422076553106308},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.4179462194442749},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3270013928413391},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2956202030181885},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2741575837135315},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2328275740146637}],"concepts":[{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.6852295398712158},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6565234661102295},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.5045503377914429},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.495079904794693},{"id":"https://openalex.org/C201374245","wikidata":"https://www.wikidata.org/wiki/Q104534","display_name":"Digital subscriber line","level":2,"score":0.4576500952243805},{"id":"https://openalex.org/C145242015","wikidata":"https://www.wikidata.org/wiki/Q774123","display_name":"Approximation theory","level":2,"score":0.441710889339447},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4228239357471466},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.422076553106308},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.4179462194442749},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3270013928413391},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2956202030181885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2741575837135315},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2328275740146637},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/access.2019.2962266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2962266","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08943196.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:archive.ugent.be:8643299","is_oa":false,"landing_page_url":"https://biblio.ugent.be/publication/8643299","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:archive.ugent.be:8669417","is_oa":false,"landing_page_url":"https://biblio.ugent.be/publication/8669417","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE ACCESS","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:lirias2repo.kuleuven.be:123456789/648521","is_oa":true,"landing_page_url":"https://lirias.kuleuven.be/handle/123456789/648521","pdf_url":null,"source":{"id":"https://openalex.org/S7407055369","display_name":"Lirias","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":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Ieee Access, vol. 8, (1577-1586)","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:archive.ugent.be:8643298","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-8643298","pdf_url":null,"source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ISSN: 2169-3536","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:doaj.org/article:7e6128b582644d94a3c6e9713cdce682","is_oa":true,"landing_page_url":"https://doaj.org/article/7e6128b582644d94a3c6e9713cdce682","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 1577-1586 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2019.2962266","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2019.2962266","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/08943196.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Decent work and economic growth","score":0.44999998807907104,"id":"https://metadata.un.org/sdg/8"}],"awards":[{"id":"https://openalex.org/G1007325403","display_name":null,"funder_award_id":"30452698","funder_id":"https://openalex.org/F4320321390","funder_display_name":"Fonds De La Recherche Scientifique - FNRS"},{"id":"https://openalex.org/G2120756369","display_name":null,"funder_award_id":"G.0B1818N","funder_id":"https://openalex.org/F4320321730","funder_display_name":"Fonds Wetenschappelijk Onderzoek"},{"id":"https://openalex.org/G3685683585","display_name":null,"funder_award_id":"HBC.2016.0055","funder_id":"https://openalex.org/F4320313460","funder_display_name":"Agentschap Innoveren en Ondernemen"},{"id":"https://openalex.org/G5427962371","display_name":null,"funder_award_id":"30452698","funder_id":"https://openalex.org/F4320321730","funder_display_name":"Fonds Wetenschappelijk Onderzoek"},{"id":"https://openalex.org/G6125972832","display_name":null,"funder_award_id":"30452698","funder_id":"https://openalex.org/F4320322308","funder_display_name":"KU Leuven"},{"id":"https://openalex.org/G7738082007","display_name":null,"funder_award_id":"HBC.2016.0055","funder_id":"https://openalex.org/F4320322308","funder_display_name":"KU Leuven"}],"funders":[{"id":"https://openalex.org/F4320313460","display_name":"Agentschap Innoveren en Ondernemen","ror":"https://ror.org/032xdry56"},{"id":"https://openalex.org/F4320321390","display_name":"Fonds De La Recherche Scientifique - FNRS","ror":"https://ror.org/03q83t159"},{"id":"https://openalex.org/F4320321730","display_name":"Fonds Wetenschappelijk Onderzoek","ror":"https://ror.org/03qtxy027"},{"id":"https://openalex.org/F4320322308","display_name":"KU Leuven","ror":"https://ror.org/05f950310"},{"id":"https://openalex.org/F4320322603","display_name":"Universiteit Gent","ror":"https://ror.org/00cv9y106"},{"id":"https://openalex.org/F4320327336","display_name":"Vlaamse regering","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2996821482.pdf","grobid_xml":"https://content.openalex.org/works/W2996821482.grobid-xml"},"referenced_works_count":25,"referenced_works":["https://openalex.org/W1579606807","https://openalex.org/W1969279811","https://openalex.org/W1974661392","https://openalex.org/W1979861107","https://openalex.org/W2006864155","https://openalex.org/W2074070744","https://openalex.org/W2084639925","https://openalex.org/W2096017053","https://openalex.org/W2103071482","https://openalex.org/W2103664294","https://openalex.org/W2110391887","https://openalex.org/W2112820013","https://openalex.org/W2126589249","https://openalex.org/W2130019790","https://openalex.org/W2130057124","https://openalex.org/W2138442092","https://openalex.org/W2143086552","https://openalex.org/W2150957592","https://openalex.org/W2154713199","https://openalex.org/W2161765632","https://openalex.org/W2284499900","https://openalex.org/W2563946818","https://openalex.org/W2752179587","https://openalex.org/W3144256748","https://openalex.org/W4256264271"],"related_works":["https://openalex.org/W2165420145","https://openalex.org/W1534072310","https://openalex.org/W189995875","https://openalex.org/W2103946119","https://openalex.org/W2019306084","https://openalex.org/W1965255372","https://openalex.org/W2100107618","https://openalex.org/W2045237525","https://openalex.org/W2460498097","https://openalex.org/W3091355678"],"abstract_inverted_index":{"The":[0,107],"signal-to-noise":[1],"ratio":[2],"(SNR)":[3],"gap":[4,61,94],"approximation":[5,32,62,95],"provides":[6],"a":[7,15,21,27,88],"closed-form":[8],"expression":[9],"for":[10,14,26,37,48,117],"the":[11,41,59,67,92,100,104,112],"SNR":[12,60,74,93],"required":[13,73],"coded":[16,79],"modulation":[17],"system":[18],"to":[19],"achieve":[20],"given":[22,28],"target":[23],"error":[24],"performance":[25,108],"constellation":[29,70],"size.":[30],"This":[31],"has":[33],"been":[34],"widely":[35],"used":[36],"resource":[38],"allocation":[39],"in":[40,75],"context":[42],"of":[43,91,103],"trellis-coded":[44],"multicarrier":[45,80],"systems":[46],"(e.g.,":[47],"digital":[49,119],"subscriber":[50,120],"line":[51,121],"communication).":[52],"In":[53],"this":[54,84],"contribution,":[55],"we":[56],"show":[57],"that":[58],"does":[63],"not":[64],"accurately":[65],"model":[66],"relation":[68],"between":[69],"size":[71],"and":[72],"low-density":[76],"parity-check":[77],"(LDPC)":[78],"systems.":[81],"We":[82],"solve":[83],"problem":[85],"by":[86],"using":[87],"simple":[89],"modification":[90,114],"instead,":[96],"which":[97],"fully":[98],"retains":[99],"analytical":[101],"convenience":[102],"former":[105],"approximation.":[106],"advantage":[109],"resulting":[110],"from":[111],"proposed":[113],"is":[115],"illustrated":[116],"single-user":[118],"transmission.":[122]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}