{"id":"https://openalex.org/W4200302025","doi":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625577","title":"Non-Orthogonal Multiple Access (NOMA) in IoT Non-Terrestrial Network for GNSS Buoy Array in the Ocean","display_name":"Non-Orthogonal Multiple Access (NOMA) in IoT Non-Terrestrial Network for GNSS Buoy Array in the Ocean","publication_year":2021,"publication_date":"2021-09-01","ids":{"openalex":"https://openalex.org/W4200302025","doi":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625577"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2021-fall52928.2021.9625577","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625577","pdf_url":null,"source":{"id":"https://openalex.org/S4363607774","display_name":"2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5110462289","display_name":"Kenichi Takizawa","orcid":null},"institutions":[{"id":"https://openalex.org/I25892078","display_name":"Miyagi University","ror":"https://ror.org/05nsdjj25","country_code":"JP","type":"education","lineage":["https://openalex.org/I25892078"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenichi Takizawa","raw_affiliation_strings":["Resilient ICT Research Center, NICT,Sendai,Miyagi,JAPAN","Resilient ICT Research Center, NICT, Sendai, Miyagi, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Resilient ICT Research Center, NICT,Sendai,Miyagi,JAPAN","institution_ids":["https://openalex.org/I25892078"]},{"raw_affiliation_string":"Resilient ICT Research Center, NICT, Sendai, Miyagi, JAPAN","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048813544","display_name":"Shinichi Yamamoto","orcid":null},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shin-Ichi Yamamoto","raw_affiliation_strings":["Wireless Network Research Center, NICT,Kashima,Ibaraki,JAPAN","Wireless Network Research Center, NICT, Kashima, Ibaraki, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Network Research Center, NICT,Kashima,Ibaraki,JAPAN","institution_ids":["https://openalex.org/I90023481"]},{"raw_affiliation_string":"Wireless Network Research Center, NICT, Kashima, Ibaraki, JAPAN","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048430036","display_name":"Yukihiro Terada","orcid":"https://orcid.org/0000-0002-2615-779X"},"institutions":[{"id":"https://openalex.org/I4210130794","display_name":"National Institute of Technology, Kochi College","ror":"https://ror.org/03bjsge15","country_code":"JP","type":"education","lineage":["https://openalex.org/I4210120810","https://openalex.org/I4210130794"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yukihiro Terada","raw_affiliation_strings":["National Institute of Technology, Kochi College,Nangoku,Kochi,JAPAN","National Institute of Technology, Kochi College, Nangoku, Kochi, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Technology, Kochi College,Nangoku,Kochi,JAPAN","institution_ids":["https://openalex.org/I4210130794"]},{"raw_affiliation_string":"National Institute of Technology, Kochi College, Nangoku, Kochi, JAPAN","institution_ids":["https://openalex.org/I4210130794"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112461500","display_name":"Teruyuki Kato","orcid":null},"institutions":[{"id":"https://openalex.org/I2971882","display_name":"Taisho University","ror":"https://ror.org/00c2t9540","country_code":"JP","type":"education","lineage":["https://openalex.org/I2971882"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Teruyuki Kato","raw_affiliation_strings":["Taisho University,Toshima-ku,Tokyo,JAPAN","Taisho University, Toshima-ku, Tokyo, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Taisho University,Toshima-ku,Tokyo,JAPAN","institution_ids":["https://openalex.org/I2971882"]},{"raw_affiliation_string":"Taisho University, Toshima-ku, Tokyo, JAPAN","institution_ids":["https://openalex.org/I2971882"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2965,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.78953086,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"2"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9987999796867371,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T12079","display_name":"IoT Networks and Protocols","score":0.9775000214576721,"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":0.9739000201225281,"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/noma","display_name":"Noma","score":0.8382214307785034},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.809795618057251},{"id":"https://openalex.org/keywords/buoy","display_name":"Buoy","score":0.7248664498329163},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5461635589599609},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.355272114276886},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.304993212223053},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1527094542980194},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.14696022868156433},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.13083943724632263},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.111146479845047}],"concepts":[{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8382214307785034},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.809795618057251},{"id":"https://openalex.org/C2779847632","wikidata":"https://www.wikidata.org/wiki/Q30026","display_name":"Buoy","level":2,"score":0.7248664498329163},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5461635589599609},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.355272114276886},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.304993212223053},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1527094542980194},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.14696022868156433},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.13083943724632263},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.111146479845047}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2021-fall52928.2021.9625577","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625577","pdf_url":null,"source":{"id":"https://openalex.org/S4363607774","display_name":"2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)","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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.8500000238418579}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2117890770","https://openalex.org/W2737257021","https://openalex.org/W3151595784","https://openalex.org/W6741456384"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W4309235375","https://openalex.org/W2887349183","https://openalex.org/W4364360709"],"abstract_inverted_index":{"Deployment":[0],"of":[1,89,103,126,131],"global":[2],"navigation":[3],"satellite":[4,77],"system":[5,8,44],"(GNSS)":[6],"buoy":[7,56,64,120],"as":[9,18,114],"an":[10],"array":[11],"in":[12,30,50,79,117],"a":[13,19,124,128],"wide":[14],"ocean":[15,26],"is":[16,39,65,96,112],"expected":[17],"powerful":[20],"tool":[21],"for":[22,139],"monitoring":[23],"tsunami":[24],"and":[25,92,137,144],"bottom":[27],"crustal":[28],"deformation":[29],"the":[31,43,46,51,54,76,101,118,141],"region":[32],"[1].":[33],"IoT":[34],"non-terrestrial":[35],"network":[36],"(NTN)":[37],"[2]":[38],"crucial":[40],"to":[41,69],"realize":[42],"since":[45],"buoys":[47,74],"are":[48],"deployed":[49],"ocean.":[52],"In":[53,81,98],"GNSS":[55,119],"array,":[57],"although":[58],"data":[59],"size":[60],"sent":[61],"from":[62],"each":[63],"small,":[66],"it":[67],"requires":[68],"accommodate":[70],"more":[71],"than":[72],"10":[73],"while":[75],"link":[78],"available.":[80],"this":[82,99],"case,":[83],"grant-free":[84,115],"access,":[85],"which":[86],"brings":[87],"advantages":[88],"low":[90],"latency":[91],"small":[93],"signaling":[94,142],"overhead,":[95],"expected.":[97],"work,":[100],"use":[102],"uplink":[104],"based":[105],"on":[106],"non-orthogonal":[107],"multiple":[108],"access":[109,116],"(UL-NOMA)":[110],"[3]":[111],"evaluated":[113],"array.":[121],"We":[122],"propose":[123],"method":[125],"generating":[127],"low-density":[129],"signature":[130],"NOMA":[132],"by":[133],"buoy's":[134],"location":[135],"(latitude":[136],"longitude)":[138],"reducing":[140],"overhead":[143],"latency.":[145]},"counts_by_year":[{"year":2022,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}