{"id":"https://openalex.org/W2970698883","doi":"https://doi.org/10.1109/lwc.2019.2938159","title":"A Queueing Approach to the Latency of Decoupled UL/DL With Flexible TDD and Asymmetric Services","display_name":"A Queueing Approach to the Latency of Decoupled UL/DL With Flexible TDD and Asymmetric Services","publication_year":2019,"publication_date":"2019-08-28","ids":{"openalex":"https://openalex.org/W2970698883","doi":"https://doi.org/10.1109/lwc.2019.2938159","mag":"2970698883"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2019.2938159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2938159","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","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/A5090175476","display_name":"Beatriz Soret","orcid":"https://orcid.org/0000-0003-2708-645X"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":true,"raw_author_name":"Beatriz Soret","raw_affiliation_strings":["Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071289803","display_name":"Petar Popovski","orcid":"https://orcid.org/0000-0001-6195-4797"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Petar Popovski","raw_affiliation_strings":["Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5040944219","display_name":"Kristoffer Stern","orcid":"https://orcid.org/0000-0002-8888-1775"},"institutions":[{"id":"https://openalex.org/I891191580","display_name":"Aalborg University","ror":"https://ror.org/04m5j1k67","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]}],"countries":["DK"],"is_corresponding":false,"raw_author_name":"Kristoffer Stern","raw_affiliation_strings":["Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Systems, Connectivity Section, Aalborg University, Aalborg, Denmark","institution_ids":["https://openalex.org/I891191580"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5090175476"],"corresponding_institution_ids":["https://openalex.org/I891191580"],"apc_list":null,"apc_paid":null,"fwci":0.7415,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.7474294,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"8","issue":"6","first_page":"1704","last_page":"1708"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12216","display_name":"Network Time Synchronization Technologies","score":0.9968000054359436,"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"}},"topics":[{"id":"https://openalex.org/T12216","display_name":"Network Time Synchronization Technologies","score":0.9968000054359436,"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"}},{"id":"https://openalex.org/T10933","display_name":"Real-Time Systems Scheduling","score":0.9965000152587891,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12203","display_name":"Mobile Agent-Based Network Management","score":0.991100013256073,"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/queueing-theory","display_name":"Queueing theory","score":0.7747228741645813},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6873523592948914},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.607447624206543},{"id":"https://openalex.org/keywords/layered-queueing-network","display_name":"Layered queueing network","score":0.4742245674133301},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.433887779712677},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36837130784988403},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1773797869682312}],"concepts":[{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.7747228741645813},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6873523592948914},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.607447624206543},{"id":"https://openalex.org/C33891772","wikidata":"https://www.wikidata.org/wiki/Q6505536","display_name":"Layered queueing network","level":3,"score":0.4742245674133301},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.433887779712677},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36837130784988403},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1773797869682312}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2019.2938159","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2019.2938159","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"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 Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1550567184","https://openalex.org/W2007996888","https://openalex.org/W2024297433","https://openalex.org/W2048586272","https://openalex.org/W2129844326","https://openalex.org/W2153279496","https://openalex.org/W2342288209","https://openalex.org/W2480111710","https://openalex.org/W2480152185","https://openalex.org/W2516105857","https://openalex.org/W2610322235","https://openalex.org/W2769496456","https://openalex.org/W4249055476"],"related_works":["https://openalex.org/W1968198031","https://openalex.org/W1701464461","https://openalex.org/W2168047232","https://openalex.org/W2121863833","https://openalex.org/W2137668347","https://openalex.org/W2299822401","https://openalex.org/W1977970311","https://openalex.org/W1600602066","https://openalex.org/W2149540948","https://openalex.org/W36834199"],"abstract_inverted_index":{"One":[0],"of":[1,55,75,86,109],"the":[2,8,19,73,81,84,94,107],"main":[3],"novelties":[4],"in":[5,33,51,106,113],"5G":[6],"is":[7,25,49,104],"flexible":[9],"Time":[10],"Division":[11],"Duplex":[12],"(TDD)":[13],"frame,":[14],"which":[15,34],"allows":[16],"adaptation":[17],"to":[18,28],"latency":[20,31,99],"requirements.":[21],"However,":[22],"this":[23,66,70],"flexibility":[24],"not":[26,90],"sufficient":[27],"support":[29],"heterogeneous":[30],"requirements,":[32],"different":[35,39],"traffic":[36,53],"instances":[37],"have":[38],"switching":[40],"requirements":[41],"between":[42],"Uplink":[43],"(UL)":[44],"and":[45,60,83],"Downlink":[46],"(DL).":[47],"This":[48],"visible":[50],"a":[52,76,87,114],"mix":[54],"enhanced":[56],"mobile":[57],"broadband":[58],"(eMBB)":[59],"ultra-reliable":[61],"low-latency":[62],"communications":[63],"(URLLC).":[64],"In":[65],"letter":[67],"we":[68],"address":[69],"problem":[71],"through":[72],"use":[74],"decoupled":[77],"UL/DL":[78],"access,":[79],"where":[80],"UL":[82],"DL":[85],"device":[88],"are":[89],"necessarily":[91],"served":[92],"by":[93],"same":[95],"base":[96],"station.":[97],"The":[98],"gain":[100],"over":[101],"coupled":[102],"access":[103],"quantified":[105],"form":[108],"queueing":[110],"sojourn":[111],"time":[112],"Rayleigh":[115],"channel,":[116],"as":[117,119],"well":[118],"an":[120],"upper":[121],"bound":[122],"for":[123],"critical":[124],"traffic.":[125]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}
