{"id":"https://openalex.org/W2185279231","doi":"https://doi.org/10.1109/ecoc.2015.7341874","title":"Long Haul transmission of four-dimensional 64SP-12QAM signal based on 16QAM constellation for longer distance at same spectral efficiency as PM-8QAM","display_name":"Long Haul transmission of four-dimensional 64SP-12QAM signal based on 16QAM constellation for longer distance at same spectral efficiency as PM-8QAM","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W2185279231","doi":"https://doi.org/10.1109/ecoc.2015.7341874","mag":"2185279231"},"language":"en","primary_location":{"id":"doi:10.1109/ecoc.2015.7341874","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc.2015.7341874","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 European Conference on Optical Communication (ECOC)","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/A5103760569","display_name":"Tatsuya Nakamura","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Tatsuya Nakamura","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011304076","display_name":"Emmanuel Le Taillandier de Gabory","orcid":"https://orcid.org/0000-0002-5858-7241"},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Emmanuel Le Taillandier de Gabory","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Minato-ku, Tokyo, JP"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Minato-ku, Tokyo, JP","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054763363","display_name":"Hidemi Noguchi","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hidemi Noguchi","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037666498","display_name":"Wakako Maeda","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Wakako Maeda","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075243366","display_name":"Jun-ichi Abe","orcid":"https://orcid.org/0000-0002-5084-9630"},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun'ichi Abe","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085298132","display_name":"Kiyoshi Fukuchi","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kiyoshi Fukuchi","raw_affiliation_strings":["Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Green Platform Research Laboratories, NEC Corporation, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5103760569"],"corresponding_institution_ids":["https://openalex.org/I118347220"],"apc_list":null,"apc_paid":null,"fwci":0.9864,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.79561216,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"23","issue":null,"first_page":"1","last_page":"3"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":1.0,"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":1.0,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9970999956130981,"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/T10299","display_name":"Photonic and Optical Devices","score":0.9958999752998352,"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/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.8178481459617615},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6290240287780762},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5589355230331421},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4912111163139343},{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.47891438007354736},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4530392289161682},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.44554203748703003},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.41415706276893616},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4065135717391968},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.40322741866111755},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.4010661542415619},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.3629976809024811},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.20080628991127014},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16720259189605713},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.12159404158592224}],"concepts":[{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.8178481459617615},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6290240287780762},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5589355230331421},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4912111163139343},{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.47891438007354736},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4530392289161682},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.44554203748703003},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41415706276893616},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4065135717391968},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.40322741866111755},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.4010661542415619},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3629976809024811},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.20080628991127014},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16720259189605713},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.12159404158592224},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"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/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ecoc.2015.7341874","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ecoc.2015.7341874","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 European Conference on Optical Communication (ECOC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8199999928474426,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320335839","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1977696598","https://openalex.org/W1978046920","https://openalex.org/W2032882898","https://openalex.org/W2045666994","https://openalex.org/W2070396998","https://openalex.org/W2167435827","https://openalex.org/W2183319353"],"related_works":["https://openalex.org/W2801080295","https://openalex.org/W2502457263","https://openalex.org/W2901245944","https://openalex.org/W4322709807","https://openalex.org/W4377967113","https://openalex.org/W1548310101","https://openalex.org/W1504636466","https://openalex.org/W3186841189","https://openalex.org/W2078292672","https://openalex.org/W3048182912"],"abstract_inverted_index":{"We":[0,18],"propose":[1],"a":[2,32],"new":[3],"4D":[4],"coded":[5],"modulation":[6],"format,":[7],"64SP-12QAM,":[8],"with":[9,16],"same":[10],"SE":[11],"as":[12],"PM-8QAM":[13],"and":[14],"straightforwardly-switchable":[15],"PM-16QAM.":[17],"experimentally":[19],"demonstrated":[20],"over":[21],"0.2":[22],"dB":[23],"better":[24],"sensitivity":[25],"for":[26],"64SP-12QAM":[27],"compared":[28],"to":[29,36],"PM-8QAM,":[30],"enabling":[31],"transmission":[33],"reach":[34],"extension":[35],"6,000":[37],"km":[38],"at":[39],"6b/s/Hz.":[40]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
