{"id":"https://openalex.org/W7126063123","doi":"https://doi.org/10.1109/wpmc67460.2025.11351209","title":"Basic Experimental Evaluation of Coverage Extension by UE-to-UE Relay Communication with 5G-NR V2X Sidelink Signal","display_name":"Basic Experimental Evaluation of Coverage Extension by UE-to-UE Relay Communication with 5G-NR V2X Sidelink Signal","publication_year":2025,"publication_date":"2025-11-09","ids":{"openalex":"https://openalex.org/W7126063123","doi":"https://doi.org/10.1109/wpmc67460.2025.11351209"},"language":null,"primary_location":{"id":"doi:10.1109/wpmc67460.2025.11351209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpmc67460.2025.11351209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 28th International Symposium on Wireless Personal Multimedia Communications (WPMC)","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/A5048422293","display_name":"Masaki Shimomura","orcid":"https://orcid.org/0000-0002-6569-2381"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Masaki Shimomura","raw_affiliation_strings":["Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048482826","display_name":"Daiki Kawamatsu","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daiki Kawamatsu","raw_affiliation_strings":["Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013047740","display_name":"S. Mori","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shota Mori","raw_affiliation_strings":["Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064208375","display_name":"Yusuke Koda","orcid":"https://orcid.org/0000-0003-3344-7370"},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusuke Koda","raw_affiliation_strings":["Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501","institution_ids":["https://openalex.org/I22299242"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5124232258","display_name":"Hiroshi Harada","orcid":null},"institutions":[{"id":"https://openalex.org/I22299242","display_name":"Kyoto University","ror":"https://ror.org/02kpeqv85","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Harada","raw_affiliation_strings":["Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyoto University,Graduate School of Informatics,Kyoto,Japan,606-8501","institution_ids":["https://openalex.org/I22299242"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5048422293"],"corresponding_institution_ids":["https://openalex.org/I22299242"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.59166879,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9036999940872192,"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/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9036999940872192,"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/T11099","display_name":"Autonomous Vehicle Technology and Safety","score":0.037700001150369644,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive 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/T10524","display_name":"Traffic control and management","score":0.01940000057220459,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/relay","display_name":"Relay","score":0.7900000214576721},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6097000241279602},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.578000009059906},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.5371000170707703},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.38429999351501465},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.3781999945640564},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.3495999872684479},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.3278000056743622}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7900000214576721},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7026000022888184},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6097000241279602},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.578000009059906},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.5371000170707703},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.47269999980926514},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.38429999351501465},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3781999945640564},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3734000027179718},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3495999872684479},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33149999380111694},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.3278000056743622},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.31779998540878296},{"id":"https://openalex.org/C2983848023","wikidata":"https://www.wikidata.org/wiki/Q733553","display_name":"Transmission channel","level":3,"score":0.29760000109672546},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2919999957084656},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.28690001368522644},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2809000015258789},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.2775000035762787},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C30095986","wikidata":"https://www.wikidata.org/wiki/Q1035238","display_name":"Vehicular communication systems","level":5,"score":0.2615000009536743}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wpmc67460.2025.11351209","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wpmc67460.2025.11351209","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 28th International Symposium on Wireless Personal Multimedia Communications (WPMC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"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":6,"referenced_works":["https://openalex.org/W2969604011","https://openalex.org/W3126365018","https://openalex.org/W3128703869","https://openalex.org/W4322577724","https://openalex.org/W4391889478","https://openalex.org/W4406861478"],"related_works":[],"abstract_inverted_index":{"In":[0,73],"recent":[1],"years,":[2],"vehicle-to-everything":[3],"(V2X)":[4],"communication":[5,19,36,57,65,86,126,139,152],"has":[6],"gained":[7],"significant":[8],"attention,":[9],"particularly":[10],"in":[11,30,39,70],"the":[12,64,94,98,114,122,125,133,138],"field":[13],"of":[14,63,101],"automated":[15],"driving":[16],"technology.":[17],"V2X":[18,71,85,95],"improves":[20],"safety":[21],"by":[22],"sharing":[23],"information":[24],"on":[25],"surrounding":[26],"vehicles":[27,69],"and":[28,87,113,149],"traffic":[29],"real":[31],"time":[32],"through":[33],"relays":[34],"between":[35,68],"terminals":[37],"installed":[38,47],"vehicles\u2014called":[40],"user":[41],"equipment":[42],"(UE)\u2014and":[43],"roadside":[44],"units":[45],"(RSUs)":[46],"at":[48],"intersections,":[49],"as":[50,61],"necessary.":[51],"5G":[52],"new":[53],"radio":[54],"(5G-NR)":[55],"sidelink":[56,80,103,135],"is":[58],"being":[59],"considered":[60],"one":[62],"methods":[66],"used":[67],"communication.":[72,120],"this":[74],"study,":[75],"we":[76],"proposed":[77,123,134],"a":[78,89],"simple":[79],"relay":[81,119],"system":[82,92,96,136],"for":[83,93],"5G-NR-based":[84],"developed":[88],"basic":[90,110],"evaluation":[91],"using":[97,118],"physical":[99],"channel":[100],"5G-NR":[102],"signals.":[104],"We":[105],"then":[106],"experimentally":[107],"evaluated":[108],"its":[109],"transmission":[111],"characteristics":[112],"coverage":[115],"extension":[116],"effect":[117],"Without":[121],"method,":[124],"range":[127,140],"was":[128],"approximately":[129,142,156],"180":[130],"m.":[131],"However,":[132],"extended":[137],"to":[141,155],"280":[143],"m":[144,158],"under":[145,159],"line-of-sight":[146],"(LOS)":[147],"conditions":[148],"enabled":[150],"additional":[151],"area":[153],"up":[154],"100":[157],"non-line-of-sight":[160],"(NLOS)":[161],"conditions.":[162]},"counts_by_year":[],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2026-01-30T00:00:00"}