{"id":"https://openalex.org/W4408145277","doi":"https://doi.org/10.1109/twc.2025.3545585","title":"Flexible Delay-Doppler Domain Multiple Access for Massive Connectivity With High Mobility","display_name":"Flexible Delay-Doppler Domain Multiple Access for Massive Connectivity With High Mobility","publication_year":2025,"publication_date":"2025-03-04","ids":{"openalex":"https://openalex.org/W4408145277","doi":"https://doi.org/10.1109/twc.2025.3545585"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3545585","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3545585","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-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/A5070234224","display_name":"Xuehan Wang","orcid":"https://orcid.org/0000-0003-1959-6775"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuehan Wang","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-1959-6775","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008753841","display_name":"Hengyu Zhang","orcid":"https://orcid.org/0009-0005-0413-9354"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hengyu Zhang","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0009-0005-0413-9354","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100379884","display_name":"Jintao Wang","orcid":"https://orcid.org/0000-0002-5245-5379"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jintao Wang","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-5245-5379","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066878475","display_name":"Zhaohui Yang","orcid":"https://orcid.org/0000-0002-4475-589X"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhaohui Yang","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-4475-589X","affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011665213","display_name":"Hai Lin","orcid":"https://orcid.org/0000-0002-6364-348X"},"institutions":[{"id":"https://openalex.org/I4387152983","display_name":"Osaka Metropolitan University","ror":"https://ror.org/01hvx5h04","country_code":"JP","type":"education","lineage":["https://openalex.org/I4387152983"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hai Lin","raw_affiliation_strings":["Department of Electrical and Electronic Systems Engineering, Graduate School of Engineering, Osaka Metropolitan University, Sakai, Osaka, Japan"],"raw_orcid":"https://orcid.org/0000-0002-6364-348X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Systems Engineering, Graduate School of Engineering, Osaka Metropolitan University, Sakai, Osaka, Japan","institution_ids":["https://openalex.org/I4387152983"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100403297","display_name":"Jian Song","orcid":"https://orcid.org/0000-0002-6066-9510"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Song","raw_affiliation_strings":["Department of Electronic Engineering, Tsinghua University, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-6066-9510","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.7214,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.89739108,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"24","issue":"6","first_page":"5050","last_page":"5065"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11932","display_name":"Wireless Body Area Networks","score":0.9986000061035156,"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":0.9986000061035156,"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":0.9980000257492065,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9961000084877014,"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/computer-science","display_name":"Computer science","score":0.7114976644515991},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5742313265800476},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5289326310157776},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.38610681891441345},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.09537157416343689}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7114976644515991},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5742313265800476},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5289326310157776},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38610681891441345},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.09537157416343689},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3545585","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3545585","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G577940104","display_name":null,"funder_award_id":"624B2079","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6842206574","display_name":null,"funder_award_id":"L242083","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7507858145","display_name":null,"funder_award_id":"K2023QA0AL02","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G7755912295","display_name":null,"funder_award_id":"2023QNRC001","funder_id":"https://openalex.org/F4320311778","funder_display_name":"China Association for Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320311778","display_name":"China Association for Science and Technology","ror":"https://ror.org/035vmht26"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":45,"referenced_works":["https://openalex.org/W1997834106","https://openalex.org/W2130917709","https://openalex.org/W2888002205","https://openalex.org/W2899131610","https://openalex.org/W2962951066","https://openalex.org/W2964529439","https://openalex.org/W3040500704","https://openalex.org/W3099350037","https://openalex.org/W3104419102","https://openalex.org/W3112379500","https://openalex.org/W3120875796","https://openalex.org/W3128040705","https://openalex.org/W3129823344","https://openalex.org/W3135300342","https://openalex.org/W3154139020","https://openalex.org/W3160738540","https://openalex.org/W3161771080","https://openalex.org/W3163159682","https://openalex.org/W3173963812","https://openalex.org/W3185249347","https://openalex.org/W3186785202","https://openalex.org/W3207045915","https://openalex.org/W4213169282","https://openalex.org/W4283701132","https://openalex.org/W4283728128","https://openalex.org/W4285742237","https://openalex.org/W4312248252","https://openalex.org/W4312629554","https://openalex.org/W4317437781","https://openalex.org/W4319302984","https://openalex.org/W4366149088","https://openalex.org/W4367281519","https://openalex.org/W4379382333","https://openalex.org/W4383112471","https://openalex.org/W4383220271","https://openalex.org/W4385834420","https://openalex.org/W4387870307","https://openalex.org/W4387885621","https://openalex.org/W4391092893","https://openalex.org/W4392543813","https://openalex.org/W4399768123","https://openalex.org/W4402673247","https://openalex.org/W4403864112","https://openalex.org/W6846322312","https://openalex.org/W6856575199"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Beyond":[0],"5G":[1],"mobile":[2],"networks":[3],"are":[4],"required":[5],"to":[6,34,118,128,139,160],"support":[7],"the":[8,19,31,36,52,65,78,102,109,119,131,136,141,162,166,176,180],"ultra-reliable":[9],"data":[10],"transmission":[11],"with":[12],"massive":[13],"connectivity":[14],"under":[15,184],"high-mobility":[16],"scenarios,":[17],"where":[18,123],"delay-Doppler":[20,110],"domain":[21],"multiple":[22],"access":[23],"(DDMA)":[24],"has":[25],"been":[26],"regarded":[27],"as":[28,101],"one":[29],"of":[30,104,179],"potential":[32],"candidates":[33],"avoid":[35],"severe":[37],"performance":[38,178],"degradation":[39],"brought":[40],"by":[41],"double-dispersive":[42],"channels.":[43],"However,":[44],"existing":[45],"DDMA":[46,182,186],"transceiver":[47],"designs":[48],"heavily":[49],"rely":[50],"on":[51],"shared":[53],"codebooks":[54],"or":[55],"large":[56],"guard":[57,189],"space":[58,190],"among":[59],"user":[60],"equipments":[61],"(UEs),":[62],"which":[63,99],"restricts":[64],"flexibility,":[66],"complexity,":[67],"and":[68,84,133],"spectral":[69,163],"efficiency":[70,164],"significantly.":[71],"In":[72],"this":[73],"paper,":[74],"we":[75],"first":[76],"propose":[77],"Zadoff-Chu":[79],"training":[80],"sequences-based":[81],"frame":[82],"structure":[83],"an":[85],"element-wise":[86],"iterative":[87,153,167],"successive":[88],"interference":[89,134],"cancellation":[90],"(SIC)-maximal":[91],"ratio":[92],"combining":[93],"(MRC)":[94],"detector":[95,169],"for":[96],"single-user":[97],"transmission,":[98],"serves":[100],"basis":[103],"flexible":[105],"resource":[106],"allocation":[107],"in":[108],"(DD)":[111],"domain.":[112],"The":[113],"discussion":[114],"is":[115,126,158,170],"then":[116],"extended":[117],"MU":[120,147],"downlink":[121],"scenario,":[122],"rate":[124,144],"splitting":[125],"adopted":[127],"effectively":[129],"balance":[130],"noise":[132],"at":[135],"UE":[137],"side":[138],"improve":[140],"bit":[142],"error":[143],"performance.":[145],"For":[146],"uplink":[148],"cases,":[149],"a":[150],"non-orthogonal":[151],"pilots-based":[152],"SIC-least":[154],"square":[155],"channel":[156],"estimator":[157],"developed":[159],"promote":[161],"while":[165],"SIC-MRC":[168],"also":[171],"provided.":[172],"Simulation":[173],"results":[174],"demonstrate":[175],"excellent":[177],"proposed":[181],"scheme":[183],"typical":[185],"patterns":[187],"without":[188],"between":[191],"UEs.":[192]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":4}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
