{"id":"https://openalex.org/W2162332630","doi":"https://doi.org/10.1109/glocom.2008.ecp.526","title":"Enhancement of Optical Wireless Multi-Pulse PPM","display_name":"Enhancement of Optical Wireless Multi-Pulse PPM","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2162332630","doi":"https://doi.org/10.1109/glocom.2008.ecp.526","mag":"2162332630"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2008.ecp.526","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5103251181","display_name":"Yusuke Kozawa","orcid":"https://orcid.org/0000-0001-8336-5205"},"institutions":[{"id":"https://openalex.org/I6178835","display_name":"Ibaraki University","ror":"https://ror.org/00sjd5653","country_code":"JP","type":"education","lineage":["https://openalex.org/I6178835"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusuke Kozawa","raw_affiliation_strings":["College of Engineering, Ibaraki University, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"College of Engineering, Ibaraki University, Ibaraki, Japan","institution_ids":["https://openalex.org/I6178835"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110128148","display_name":"Hiromasa Habuchi","orcid":null},"institutions":[{"id":"https://openalex.org/I6178835","display_name":"Ibaraki University","ror":"https://ror.org/00sjd5653","country_code":"JP","type":"education","lineage":["https://openalex.org/I6178835"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiromasa Habuchi","raw_affiliation_strings":["College of Engineering, Ibaraki University, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"College of Engineering, Ibaraki University, Ibaraki, Japan","institution_ids":["https://openalex.org/I6178835"]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.404,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":12,"citation_normalized_percentile":{"value":0.853336,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":84,"max":85},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9998,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9998,"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/T10232","display_name":"Optical Network Technologies","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"}},{"id":"https://openalex.org/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9992,"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/pulse-position-modulation","display_name":"Pulse-position modulation","score":0.6534827},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.48205313},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4163973},{"id":"https://openalex.org/keywords/optical-wireless-communications","display_name":"Optical wireless communications","score":0.41295087}],"concepts":[{"id":"https://openalex.org/C2781305180","wikidata":"https://www.wikidata.org/wiki/Q7098907","display_name":"Optical wireless","level":3,"score":0.7092556},{"id":"https://openalex.org/C46035914","wikidata":"https://www.wikidata.org/wiki/Q1767289","display_name":"Pulse-position modulation","level":5,"score":0.6534827},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6021189},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.57912797},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5659555},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.51735777},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.50247765},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4846888},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.48205313},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.47354335},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4361276},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4163973},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.4151165},{"id":"https://openalex.org/C107021485","wikidata":"https://www.wikidata.org/wiki/Q18385577","display_name":"Optical wireless communications","level":4,"score":0.41295087},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2928644},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27292106},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.271316},{"id":"https://openalex.org/C20518276","wikidata":"https://www.wikidata.org/wiki/Q186130","display_name":"Pulse-amplitude modulation","level":4,"score":0.24829632},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.17768851},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.15768906},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.11881015},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.090336084},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","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}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2008.ecp.526","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.75}],"grants":[],"datasets":[],"versions":[],"referenced_works_count":5,"referenced_works":["https://openalex.org/W2067550638","https://openalex.org/W2127867614","https://openalex.org/W2143246195","https://openalex.org/W2151297627","https://openalex.org/W2544246169"],"related_works":["https://openalex.org/W4367032567","https://openalex.org/W2894247043","https://openalex.org/W2589954375","https://openalex.org/W2572135230","https://openalex.org/W2511989778","https://openalex.org/W2373649301","https://openalex.org/W2366597128","https://openalex.org/W2106748706","https://openalex.org/W2017207150","https://openalex.org/W101987445"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"optical":[3],"wireless":[4],"multi-pulse":[5],"pulse":[6],"position":[7],"modulation":[8],"(MPPM)":[9],"system":[10,27,63,80],"with":[11],"modified":[12],"pseudo":[13],"orthogonal":[14],"M-sequence":[15],"sets":[16],"is":[17,64],"proposed.":[18],"Moreover,":[19],"the":[20,25,34,49,53,61,69,74,78],"symbol":[21],"error":[22],"rates":[23],"of":[24,58,60,68,77],"proposed":[26,62,79],"are":[28],"analyzed":[29],"by":[30],"taking":[31],"into":[32],"account":[33],"scintillation,":[35],"background-noise,":[36],"avalanche":[37],"photo-":[38],"diode":[39],"(APD)":[40],"noise,":[41,43],"thermal":[42],"and":[44],"signal":[45],"dependence":[46],"noise":[47],"in":[48,56],"single-user":[50],"case.":[51],"Consequently,":[52],"normalized":[54,75],"throughput":[55,76],"consideration":[57],"SER":[59],"superior":[65],"to":[66],"that":[67],"conventional":[70],"MPPM":[71],"systems.":[72],"Furthermore,":[73],"can":[81],"achieve":[82],"about":[83],"1.25":[84],"[bit/chip].":[85]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2162332630","counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2024-12-10T02:22:21.820721","created_date":"2016-06-24"}