{"id":"https://openalex.org/W4200155200","doi":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625058","title":"Frequency-Hopping Based SCMA for Massive Connectivity in Multi-cell Networks","display_name":"Frequency-Hopping Based SCMA for Massive Connectivity in Multi-cell Networks","publication_year":2021,"publication_date":"2021-09-01","ids":{"openalex":"https://openalex.org/W4200155200","doi":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625058"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2021-fall52928.2021.9625058","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625058","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/A5054082705","display_name":"Qi Zeng","orcid":"https://orcid.org/0000-0003-4882-5530"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qi Zeng","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100629531","display_name":"Zilong Liu","orcid":"https://orcid.org/0000-0002-5851-4261"},"institutions":[{"id":"https://openalex.org/I110002522","display_name":"University of Essex","ror":"https://ror.org/02nkf1q06","country_code":"GB","type":"education","lineage":["https://openalex.org/I110002522"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Zilong Liu","raw_affiliation_strings":["School of Computer Science and Electronics Engineering, University of Essex, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Computer Science and Electronics Engineering, University of Essex, UK","institution_ids":["https://openalex.org/I110002522"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100381479","display_name":"Xing Liu","orcid":"https://orcid.org/0000-0003-0814-8192"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xing Liu","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103071400","display_name":"Jun Zhong","orcid":"https://orcid.org/0000-0001-5040-8299"},"institutions":[{"id":"https://openalex.org/I24185976","display_name":"Sichuan University","ror":"https://ror.org/011ashp19","country_code":"CN","type":"education","lineage":["https://openalex.org/I24185976"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Zhong","raw_affiliation_strings":["College of Electrical Engineering, Sichuan University, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Electrical Engineering, Sichuan University, Chengdu, China","institution_ids":["https://openalex.org/I24185976"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002566516","display_name":"Pei Xiao","orcid":"https://orcid.org/0000-0002-7886-5878"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pei Xiao","raw_affiliation_strings":["5GIC and 6GIC, Institute for Communication Systems, University of Surrey, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"5GIC and 6GIC, Institute for Communication Systems, University of Surrey, UK","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9988999962806702,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9988999962806702,"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/T11797","display_name":"graph theory and CDMA systems","score":0.9962999820709229,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9840999841690063,"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":0.7524858713150024},{"id":"https://openalex.org/keywords/jamming","display_name":"Jamming","score":0.649112343788147},{"id":"https://openalex.org/keywords/frequency-hopping-spread-spectrum","display_name":"Frequency-hopping spread spectrum","score":0.6385419368743896},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5599032640457153},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5456891059875488},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.5215008854866028},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.5155198574066162},{"id":"https://openalex.org/keywords/code-word","display_name":"Code word","score":0.49313849210739136},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4615379273891449},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23282572627067566},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.16622325778007507},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.10676726698875427},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0718647837638855},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.058692872524261475}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7524858713150024},{"id":"https://openalex.org/C2779079576","wikidata":"https://www.wikidata.org/wiki/Q17092823","display_name":"Jamming","level":2,"score":0.649112343788147},{"id":"https://openalex.org/C122962297","wikidata":"https://www.wikidata.org/wiki/Q1136013","display_name":"Frequency-hopping spread spectrum","level":2,"score":0.6385419368743896},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5599032640457153},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5456891059875488},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5215008854866028},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.5155198574066162},{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.49313849210739136},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4615379273891449},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23282572627067566},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.16622325778007507},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.10676726698875427},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0718647837638855},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.058692872524261475},{"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/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/vtc2021-fall52928.2021.9625058","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2021-fall52928.2021.9625058","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"},{"id":"pmh:oai:repository.essex.ac.uk:31293","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306401236","display_name":"Open Access at Essex (University of Essex)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I110002522","host_organization_name":"University of Essex","host_organization_lineage":["https://openalex.org/I110002522"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.6200000047683716}],"awards":[{"id":"https://openalex.org/G1599004246","display_name":null,"funder_award_id":"6142103200106","funder_id":"https://openalex.org/F4320317287","funder_display_name":"Foundation of Science and Technology on Near-Surface Detection Laboratory"},{"id":"https://openalex.org/G7966076233","display_name":null,"funder_award_id":"61701328,61901288","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320317287","display_name":"Foundation of Science and Technology on Near-Surface Detection Laboratory","ror":null},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1922937245","https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2128628369","https://openalex.org/W2499071474","https://openalex.org/W2612685338","https://openalex.org/W2887860413","https://openalex.org/W2898832646","https://openalex.org/W2900805756","https://openalex.org/W2900827175","https://openalex.org/W2962896080","https://openalex.org/W2979267702","https://openalex.org/W3025561490","https://openalex.org/W3102164232","https://openalex.org/W3108820694","https://openalex.org/W3134567856"],"related_works":["https://openalex.org/W9259604","https://openalex.org/W6905326","https://openalex.org/W12181814","https://openalex.org/W275008","https://openalex.org/W10370171","https://openalex.org/W8967733","https://openalex.org/W9758604","https://openalex.org/W3599910","https://openalex.org/W10952381","https://openalex.org/W11229666"],"abstract_inverted_index":{"Sparse":[0],"code":[1],"multiple-access":[2],"(SCMA)":[3],"is":[4,48],"an":[5],"emerging":[6],"technique":[7],"to":[8,27,35,102,104,124,135],"support":[9],"massive":[10],"connectivity":[11],"in":[12,51,75],"5G":[13],"networks":[14,59],"and":[15,95,115,129],"beyond.":[16],"In":[17],"SCMA":[18,46,56,69],"transmissions,":[19],"some":[20],"resource-blocks":[21,88],"may":[22],"undergo":[23],"certain":[24,90],"contamination":[25],"due":[26],"deep":[28],"fading":[29],"and/or":[30],"jamming":[31],"attacks,":[32],"thus":[33],"leading":[34],"severe":[36],"performance":[37],"degradation":[38],"over":[39,85],"such":[40],"contaminated":[41],"ones.":[42],"Besides,":[43],"the":[44,55,77,86,105,120,136],"current":[45],"infrastructure":[47],"normally":[49],"deployed":[50],"single-cell.":[52],"To":[53],"deploy":[54],"into":[57],"multicell":[58],"under":[60],"contaminated/jamming":[61],"channels,":[62],"we":[63],"propose":[64,94],"a":[65,97],"novel":[66],"frequency-hopping":[67],"based":[68],"(FH-SCMA)":[70],"for":[71],"quasi-synchronous":[72,109],"multi-cell":[73,111],"networks,":[74],"which":[76],"entire":[78],"subcarrier-channels":[79],"of":[80,108],"every":[81],"codeword":[82],"keep":[83],"hopping":[84,91,100],"multiple":[87],"according":[89],"pattern.":[92],"We":[93],"design":[96],"pseudo-randomly":[98],"orthogonal":[99],"pattern":[101],"adapt":[103],"specific":[106],"requirements":[107],"FH-SCMA":[110,122],"networks.":[112],"Our":[113],"analysis":[114],"simulation":[116],"results":[117],"indicate":[118],"that":[119],"proposed":[121],"leads":[123],"both":[125],"improved":[126],"user":[127],"capacity":[128],"error-rate":[130],"performance,":[131],"whilst":[132],"remaining":[133],"resilient":[134],"inter-cell":[137],"interference.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}