{"id":"https://openalex.org/W2114802154","doi":"https://doi.org/10.1364/oe.19.026600","title":"Faster-than-Nyquist and beyond: how to improve spectral efficiency by accepting interference","display_name":"Faster-than-Nyquist and beyond: how to improve spectral efficiency by accepting interference","publication_year":2011,"publication_date":"2011-12-14","ids":{"openalex":"https://openalex.org/W2114802154","doi":"https://doi.org/10.1364/oe.19.026600","mag":"2114802154","pmid":"https://pubmed.ncbi.nlm.nih.gov/22274244"},"language":"en","primary_location":{"id":"doi:10.1364/oe.19.026600","doi":"https://doi.org/10.1364/oe.19.026600","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.19.026600","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1364/oe.19.026600","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078307012","display_name":"Giulio Colavolpe","orcid":"https://orcid.org/0000-0002-0577-8626","observed_orcids":["https://orcid.org/0000-0002-0577-8626"]},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]},{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giulio Colavolpe","raw_affiliation_strings":["University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, Parma, Italy. giulio@unipr.it","University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, Parma, Italy. giulio@unipr.it","institution_ids":["https://openalex.org/I124601658","https://openalex.org/I4210099310"]},{"raw_affiliation_string":"University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy","institution_ids":["https://openalex.org/I124601658","https://openalex.org/I4210099310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062968612","display_name":"Tommaso Foggi","orcid":"https://orcid.org/0000-0003-1747-3130","observed_orcids":["https://orcid.org/0000-0003-1747-3130"]},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]},{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Tommaso Foggi","raw_affiliation_strings":["University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy","institution_ids":["https://openalex.org/I124601658","https://openalex.org/I4210099310"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089865477","display_name":"Andrea Modenini","orcid":"https://orcid.org/0000-0001-7175-0165","observed_orcids":["https://orcid.org/0000-0001-7175-0165"]},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]},{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Andrea Modenini","raw_affiliation_strings":["University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy","institution_ids":["https://openalex.org/I124601658","https://openalex.org/I4210099310"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080270468","display_name":"Amina Piemontese","orcid":"https://orcid.org/0000-0002-7802-9634","observed_orcids":["https://orcid.org/0000-0002-7802-9634"]},"institutions":[{"id":"https://openalex.org/I124601658","display_name":"University of Parma","ror":"https://ror.org/02k7wn190","country_code":"IT","type":"education","lineage":["https://openalex.org/I124601658"]},{"id":"https://openalex.org/I4210099310","display_name":"Consorzio Nazionale Interuniversitario per le Telecomunicazioni","ror":"https://ror.org/0182a5n39","country_code":"IT","type":"nonprofit","lineage":["https://openalex.org/I4210099310"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Amina Piemontese","raw_affiliation_strings":["University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Parma, Dipartimento di Ingegneria dell\u2019Informazione, and CNIT Research Unit, I-43124 Parma, Italy","institution_ids":["https://openalex.org/I124601658","https://openalex.org/I4210099310"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2270,"currency":"USD","value_usd":2270},"apc_paid":{"value":2270,"currency":"USD","value_usd":2270},"fwci":4.7678,"has_fulltext":false,"cited_by_count":73,"citation_normalized_percentile":{"value":0.95199727,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":100},"biblio":{"volume":"19","issue":"27","first_page":"26600","last_page":"26600"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9897000193595886,"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/T10232","display_name":"Optical Network Technologies","score":0.9897000193595886,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.002400000113993883,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","score":0.0010999999940395355,"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/faster-than-nyquist-transmission","display_name":"faster-than-Nyquist signaling","score":0.996999979019165},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"spectral efficiency","score":0.9940000176429749},{"id":"https://openalex.org/keywords/long-haul-optical-links","display_name":"long-haul optical links","score":0.9490000009536743},{"id":"https://openalex.org/keywords/higher-order-modulation","display_name":"high-order modulation","score":0.7889999747276306},{"id":"https://openalex.org/keywords/nonlinear-optical-transmission","display_name":"nonlinear optical transmission","score":0.47699999809265137}],"concepts":[{"id":"https://openalex.org/C288623","wikidata":"https://www.wikidata.org/wiki/Q679800","display_name":"Nyquist\u2013Shannon sampling theorem","level":2,"score":0.6563229560852051},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.6441957950592041},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6436810493469238},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.6332532167434692},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.5135324597358704},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5033575892448425},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5007991790771484},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4621503949165344},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4433596432209015},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44073793292045593},{"id":"https://openalex.org/C7630364","wikidata":"https://www.wikidata.org/wiki/Q1756793","display_name":"Nyquist stability criterion","level":3,"score":0.4339004158973694},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4204278588294983},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3209701180458069},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.152492493391037},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10494533181190491},{"id":"https://openalex.org/C117251300","wikidata":"https://www.wikidata.org/wiki/Q1849855","display_name":"Parametric statistics","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000465","descriptor_name":"Algorithms","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004867","descriptor_name":"Equipment Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012815","descriptor_name":"Signal Processing, Computer-Assisted","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D013685","descriptor_name":"Telecommunications","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":true},{"descriptor_ui":"D016247","descriptor_name":"Information Storage and Retrieval","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D017076","descriptor_name":"Computer-Aided Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018401","descriptor_name":"Sample Size","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019544","descriptor_name":"Equipment Failure Analysis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055096","descriptor_name":"Optical Devices","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1364/oe.19.026600","doi":"https://doi.org/10.1364/oe.19.026600","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.19.026600","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},{"id":"pmid:22274244","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22274244","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics express","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1364/oe.19.026600","doi":"https://doi.org/10.1364/oe.19.026600","is_oa":true,"landing_page_url":"https://doi.org/10.1364/oe.19.026600","pdf_url":null,"source":{"id":"https://openalex.org/S178776955","display_name":"Optics Express","issn_l":"1094-4087","issn":["1094-4087"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","jufo-1","ki-jl-1","medline","norway-2","oarl","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315679","host_organization_name":"Optica Publishing Group","host_organization_lineage":["https://openalex.org/P4310315679"],"host_organization_lineage_names":["Optica Publishing Group"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Optics Express","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5378999710083008}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W2029558989","https://openalex.org/W2045407304","https://openalex.org/W2106185713","https://openalex.org/W2107494598","https://openalex.org/W2109512829","https://openalex.org/W2131086249","https://openalex.org/W2146064508","https://openalex.org/W2148608560","https://openalex.org/W2154433856","https://openalex.org/W2163094760","https://openalex.org/W2165808853"],"related_works":["https://openalex.org/W2021794464","https://openalex.org/W2322019058","https://openalex.org/W2029303119","https://openalex.org/W1935552577","https://openalex.org/W2321781381","https://openalex.org/W2884650892","https://openalex.org/W2022370523","https://openalex.org/W1512052558","https://openalex.org/W2319739052","https://openalex.org/W2003798469"],"abstract_inverted_index":{"We":[0],"investigate":[1],"the":[2,13,36,43,57],"application":[3],"of":[4,12,45,59],"time":[5],"and":[6,29,38],"frequency":[7],"packing":[8],"techniques,":[9,51],"an":[10],"extension":[11],"classical":[14],"faster-than-Nyquist":[15],"signaling,":[16],"to":[17,34,42],"long-haul":[18,70],"optical":[19,71],"links.":[20],"These":[21],"techniques":[22],"provide":[23],"a":[24,31,67],"significant":[25],"spectral":[26],"efficiency":[27],"increase":[28],"represent":[30],"viable":[32],"alternative":[33],"overcome":[35],"theoretical":[37],"technological":[39],"issues":[40],"related":[41],"use":[44],"high-order":[46],"modulation":[47],"formats.":[48],"Adopting":[49],"these":[50],"we":[52],"successfully":[53],"demonstrate":[54],"through":[55],"simulations":[56],"transmission":[58],"1":[60],"Tbps":[61],"over":[62],"200":[63],"GHz":[64],"bandwidth":[65],"in":[66],"realistic":[68],"(nonlinear)":[69],"link.":[72]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":9},{"year":2015,"cited_by_count":15},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":9},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}