{"id":"https://openalex.org/W2342391306","doi":"https://doi.org/10.1109/tbc.2015.2492477","title":"Low-Complexity Demapping Algorithm for Two-Dimensional Non-Uniform Constellations","display_name":"Low-Complexity Demapping Algorithm for Two-Dimensional Non-Uniform Constellations","publication_year":2015,"publication_date":"2015-11-06","ids":{"openalex":"https://openalex.org/W2342391306","doi":"https://doi.org/10.1109/tbc.2015.2492477","mag":"2342391306"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2015.2492477","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://riunet.upv.es/bitstream/10251/82087/3/MFuentes_Low-Complexity_Suboptimal_Demapper_for_2DNUC.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101684356","display_name":"Manuel Fuentes","orcid":"https://orcid.org/0000-0001-8110-1214"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Manuel Fuentes","raw_affiliation_strings":["Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033169667","display_name":"David Vargas","orcid":"https://orcid.org/0000-0002-0158-6352"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"David Vargas","raw_affiliation_strings":["Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082908215","display_name":"David G\u00f3mez\u2010Barquero","orcid":"https://orcid.org/0000-0003-2610-7765"},"institutions":[{"id":"https://openalex.org/I60053951","display_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","ror":"https://ror.org/01460j859","country_code":"ES","type":"education","lineage":["https://openalex.org/I60053951"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"David Gomez-Barquero","raw_affiliation_strings":["Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain"],"affiliations":[{"raw_affiliation_string":"Institute of Telecommunications and Multimedia Applications, Universitat Politecnica de Valencia, Valencia, Spain","institution_ids":["https://openalex.org/I60053951"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.766,"has_fulltext":true,"fulltext_origin":"pdf","cited_by_count":33,"citation_normalized_percentile":{"value":0.932714,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":95},"biblio":{"volume":"62","issue":"2","first_page":"375","last_page":"383"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9997,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.9997,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9997,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9995,"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/noisy-channel-coding-theorem","display_name":"Noisy-channel coding theorem","score":0.6699966},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.653712},{"id":"https://openalex.org/keywords/constellation-diagram","display_name":"Constellation diagram","score":0.47528636}],"concepts":[{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.7180769},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7075537},{"id":"https://openalex.org/C103073706","wikidata":"https://www.wikidata.org/wiki/Q2345282","display_name":"Noisy-channel coding theorem","level":5,"score":0.6699966},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.653712},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.62412286},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.5810928},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.47679758},{"id":"https://openalex.org/C185837786","wikidata":"https://www.wikidata.org/wiki/Q1782940","display_name":"Constellation diagram","level":4,"score":0.47528636},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.43157178},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.36664554},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1431669},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.08726919},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/C46462455","wikidata":"https://www.wikidata.org/wiki/Q5395712","display_name":"Error floor","level":4,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C67692717","wikidata":"https://www.wikidata.org/wiki/Q187444","display_name":"Low-density parity-check code","level":3,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/tbc.2015.2492477","pdf_url":null,"source":{"id":"https://openalex.org/S100142436","display_name":"IEEE Transactions on Broadcasting","issn_l":"0018-9316","issn":["0018-9316","1557-9611"],"is_oa":false,"is_in_doaj":false,"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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"http://hdl.handle.net/10251/82087","pdf_url":"https://riunet.upv.es/bitstream/10251/82087/3/MFuentes_Low-Complexity_Suboptimal_Demapper_for_2DNUC.pdf","source":{"id":"https://openalex.org/S4306400639","display_name":"RiuNet (Universitat Polit\u00e8cnica de Val\u00e8ncia)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60053951","host_organization_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","host_organization_lineage":["https://openalex.org/I60053951"],"host_organization_lineage_names":["Universitat Polit\u00e8cnica de Val\u00e8ncia"],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true}],"best_oa_location":{"is_oa":true,"landing_page_url":"http://hdl.handle.net/10251/82087","pdf_url":"https://riunet.upv.es/bitstream/10251/82087/3/MFuentes_Low-Complexity_Suboptimal_Demapper_for_2DNUC.pdf","source":{"id":"https://openalex.org/S4306400639","display_name":"RiuNet (Universitat Polit\u00e8cnica de Val\u00e8ncia)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60053951","host_organization_name":"Universitat Polit\u00e8cnica de Val\u00e8ncia","host_organization_lineage":["https://openalex.org/I60053951"],"host_organization_lineage_names":["Universitat Polit\u00e8cnica de Val\u00e8ncia"],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":19,"referenced_works":["https://openalex.org/W1540972887","https://openalex.org/W1967197398","https://openalex.org/W1989151689","https://openalex.org/W2031707414","https://openalex.org/W2069996320","https://openalex.org/W2071053013","https://openalex.org/W2071238091","https://openalex.org/W2082866351","https://openalex.org/W2083345762","https://openalex.org/W2094038105","https://openalex.org/W2131624137","https://openalex.org/W2156787051","https://openalex.org/W2161022363","https://openalex.org/W2175739537","https://openalex.org/W2295293080","https://openalex.org/W2295625919","https://openalex.org/W2296131367","https://openalex.org/W2505589641","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4364305175","https://openalex.org/W3139451426","https://openalex.org/W2901566525","https://openalex.org/W2776889143","https://openalex.org/W2754807862","https://openalex.org/W2561907769","https://openalex.org/W2393808638","https://openalex.org/W2253476804","https://openalex.org/W2103491754","https://openalex.org/W1976196557"],"abstract_inverted_index":{"Non-uniform":[0],"constellations":[1,79],"(NUCs)":[2],"have":[3,51],"been":[4],"recently":[5],"introduced":[6],"in":[7,40],"digital":[8],"broadcasting":[9],"systems":[10],"to":[11,16,23,138,165,169],"close":[12],"the":[13,17,41,59,63,97,105,109,115,119,140,170],"remaining":[14],"gap":[15],"unconstrained":[18],"Shannon":[19],"theoretical":[20],"limit.":[21],"Compared":[22],"uniform":[24,77],"quadrature":[25],"amplitude":[26],"modulation":[27],"(QAM)":[28],"constellations,":[29],"NUCs":[30,49,83],"provide":[31,85,157],"a":[32,38,52,73,86,122,131,161],"signal-to-noise":[33],"ratio":[34],"(SNR)":[35],"gain":[36],"(i.e.,":[37],"reduction":[39],"required":[42,143],"SNR),":[43],"especially":[44],"for":[45,76],"high-order":[46],"constellations.":[47],"One-dimensional":[48],"(1D-NUC)":[50],"squared":[53],"shape":[54,99,103],"with":[55,101,160],"non-uniform":[56],"distance":[57],"between":[58],"constellation":[60,154],"symbols.":[61],"Since":[62],"I":[64],"and":[65],"Q":[66],"components":[67],"remain":[68],"as":[69,75],"two":[70],"independent":[71],"signals,":[72],"1D-demapper":[74],"QAM":[78],"is":[80,114,124],"feasible.":[81],"Two-dimensional":[82],"(2D-NUC)":[84],"better":[87],"performance":[88,162],"than":[89],"1D-NUCs,":[90],"since":[91,121],"they":[92],"are":[93],"designed":[94],"by":[95],"relaxing":[96],"square":[98],"constraint,":[100],"arbitrary":[102],"along":[104],"complex":[106],"plane.":[107],"However,":[108],"main":[110],"drawback":[111],"of":[112,142],"2D-NUCs":[113],"higher":[116],"complexity":[117],"at":[118],"receiver,":[120],"2D-demapper":[123],"needed.":[125],"In":[126],"this":[127],"paper,":[128],"we":[129],"propose":[130],"demapping":[132],"algorithm":[133,149],"that":[134,156],"reduces":[135],"from":[136],"69%":[137],"93%":[139],"number":[141],"distances":[144],"when":[145],"using":[146],"2D-NUCs.":[147],"The":[148],"discards":[150],"or":[151],"replicates":[152],"those":[153],"symbols":[155],"scarce":[158],"information,":[159],"degradation":[163],"lower":[164],"0.1":[166],"dB":[167],"compared":[168],"optimal":[171],"maximum":[172],"likelihood":[173],"demapper.":[174]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2342391306","counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":5}],"updated_date":"2025-01-06T03:08:48.931102","created_date":"2016-06-24"}