{"id":"https://openalex.org/W4402834451","doi":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683505","title":"Performance Evaluation of Contention-based Random Access Procedure in Non-Terrestrial Networks","display_name":"Performance Evaluation of Contention-based Random Access Procedure in Non-Terrestrial Networks","publication_year":2024,"publication_date":"2024-06-24","ids":{"openalex":"https://openalex.org/W4402834451","doi":"https://doi.org/10.1109/vtc2024-spring62846.2024.10683505"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2024-spring62846.2024.10683505","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2024-spring62846.2024.10683505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)","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/A5012819966","display_name":"Yen\u2010Ting Lin","orcid":"https://orcid.org/0000-0001-7146-4687"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yen-Ting Lin","raw_affiliation_strings":["National Taiwan University of Science and Technology,Department of Electronic and Computer Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Department of Electronic and Computer Engineering","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024212834","display_name":"Ray\u2010Guang Cheng","orcid":"https://orcid.org/0000-0002-6511-3546"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Ray-Guang Cheng","raw_affiliation_strings":["National Taiwan University of Science and Technology,Department of Electronic and Computer Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Taiwan University of Science and Technology,Department of Electronic and Computer Engineering","institution_ids":["https://openalex.org/I154864474"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154864474"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"January","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11932","display_name":"Wireless Body Area Networks","score":0.9975000023841858,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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":0.9909999966621399,"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9853000044822693,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7225900888442993},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4348967373371124},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4168381690979004},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.4148298501968384}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7225900888442993},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4348967373371124},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4168381690979004},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.4148298501968384}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2024-spring62846.2024.10683505","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/vtc2024-spring62846.2024.10683505","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE 99th Vehicular Technology Conference (VTC2024-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1963783721","https://openalex.org/W2132411069","https://openalex.org/W2775869941","https://openalex.org/W2916530694","https://openalex.org/W3091275534","https://openalex.org/W3106287211","https://openalex.org/W3107312499","https://openalex.org/W3108096115","https://openalex.org/W3130740887","https://openalex.org/W3198966439","https://openalex.org/W4290996220","https://openalex.org/W4328027227","https://openalex.org/W4365790444","https://openalex.org/W4387869941"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W3133183159","https://openalex.org/W2390279801","https://openalex.org/W2952222336","https://openalex.org/W2358668433","https://openalex.org/W3117544412","https://openalex.org/W4396701345","https://openalex.org/W4297872561","https://openalex.org/W2116633494"],"abstract_inverted_index":{"Non-terrestrial":[0],"networks":[1,30],"(NTNs)":[2],"are":[3],"a":[4,49,66],"key":[5],"feature":[6],"to":[7,70,121],"be":[8,32],"supported":[9],"in":[10,27,34,43],"the":[11,38,45,53,56,72,78,82,102,110,123],"next-generation":[12],"mobile":[13],"network.":[14],"The":[15],"contention-based":[16],"2-step":[17,39,83,128],"(grant-free)":[18],"and":[19,40,77,84,97,109,125,129],"4-step":[20,41,85,130],"(grant-based)":[21],"random":[22,57,88],"access":[23,58,89,103,107],"(RA)":[24],"procedures":[25],"used":[26],"existing":[28],"terrestrial":[29],"will":[31],"adopted":[33],"NTNs.":[35],"In":[36,61],"applying":[37],"RA":[42],"NTNs,":[44],"preamble":[46,75],"configuration":[47,76],"is":[48],"critical":[50],"factor":[51],"affecting":[52],"performance":[54],"of":[55,74,81,112,127],"channel":[59],"(RACH).":[60],"this":[62],"paper,":[63],"we":[64],"present":[65],"general":[67],"system":[68],"model":[69],"investigate":[71,122],"impact":[73],"RACH":[79],"parameters":[80],"RAs":[86,131],"(i.e,":[87],"response":[90],"(RAR)":[91],"window":[92,99],"size,":[93],"maximum":[94],"transmission":[95],"time,":[96],"back-off":[98],"size)":[100],"on":[101],"success":[104],"probability,":[105],"average":[106],"delay,":[108],"use":[111],"resources":[113],"under":[114,132],"different":[115],"offered":[116],"loads.":[117],"Simulations":[118],"were":[119],"conducted":[120],"pros":[124],"cons":[126],"various":[133],"conditions.":[134]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}