{"id":"https://openalex.org/W7127593015","doi":"https://doi.org/10.1109/ccnc65079.2026.11366527","title":"Geometry-Aware Time-Window Conditional Handover for Non-Terrestrial Networks","display_name":"Geometry-Aware Time-Window Conditional Handover for Non-Terrestrial Networks","publication_year":2026,"publication_date":"2026-01-09","ids":{"openalex":"https://openalex.org/W7127593015","doi":"https://doi.org/10.1109/ccnc65079.2026.11366527"},"language":null,"primary_location":{"id":"doi:10.1109/ccnc65079.2026.11366527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccnc65079.2026.11366527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd Consumer Communications &amp;amp; Networking Conference (CCNC)","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/A5125055060","display_name":"Jongtae Lee","orcid":null},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jongtae Lee","raw_affiliation_strings":["Ajou University,Department of Artificial Intelligence Convergence Network,Suwon,South Korea,16499"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ajou University,Department of Artificial Intelligence Convergence Network,Suwon,South Korea,16499","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007162411","display_name":"Yujeong Ahn","orcid":null},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yujeong Ahn","raw_affiliation_strings":["Ajou University,Department of Artificial Intelligence Convergence Network,Suwon,South Korea,16499"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ajou University,Department of Artificial Intelligence Convergence Network,Suwon,South Korea,16499","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100368644","display_name":"Jaehyun Kim","orcid":"https://orcid.org/0009-0002-1480-2517"},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"education","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jae-Hyun Kim","raw_affiliation_strings":["Ajou University,Department of Electrical and Computer Engineering,Suwon,South Korea,16499"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ajou University,Department of Electrical and Computer Engineering,Suwon,South Korea,16499","institution_ids":["https://openalex.org/I57664883"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.20230321,"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/T12042","display_name":"Satellite Communication Systems","score":0.8866000175476074,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":0.8866000175476074,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.05490000173449516,"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/T12450","display_name":"Radio Astronomy Observations and Technology","score":0.006899999920278788,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/handover","display_name":"Handover","score":0.8075000047683716},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6761999726295471},{"id":"https://openalex.org/keywords/low-earth-orbit","display_name":"Low earth orbit","score":0.6446999907493591},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5080999732017517},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4925000071525574},{"id":"https://openalex.org/keywords/boundary","display_name":"Boundary (topology)","score":0.43369999527931213},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.4318999946117401},{"id":"https://openalex.org/keywords/terminal","display_name":"Terminal (telecommunication)","score":0.42570000886917114},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.423799991607666}],"concepts":[{"id":"https://openalex.org/C111852164","wikidata":"https://www.wikidata.org/wiki/Q1414679","display_name":"Handover","level":2,"score":0.8075000047683716},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6761999726295471},{"id":"https://openalex.org/C3018325918","wikidata":"https://www.wikidata.org/wiki/Q663611","display_name":"Low earth orbit","level":3,"score":0.6446999907493591},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5735999941825867},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5400999784469604},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5080999732017517},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4925000071525574},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.445499986410141},{"id":"https://openalex.org/C62354387","wikidata":"https://www.wikidata.org/wiki/Q875399","display_name":"Boundary (topology)","level":2,"score":0.43369999527931213},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.4318999946117401},{"id":"https://openalex.org/C2779664074","wikidata":"https://www.wikidata.org/wiki/Q3518405","display_name":"Terminal (telecommunication)","level":2,"score":0.42570000886917114},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.423799991607666},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.3898000121116638},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.353300005197525},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.3492000102996826},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.33149999380111694},{"id":"https://openalex.org/C12430449","wikidata":"https://www.wikidata.org/wiki/Q7280888","display_name":"Radio Link Protocol","level":3,"score":0.3276999890804291},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.3206999897956848},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.3091999888420105},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.30730000138282776},{"id":"https://openalex.org/C94042562","wikidata":"https://www.wikidata.org/wiki/Q472251","display_name":"Geosynchronous orbit","level":3,"score":0.305400013923645},{"id":"https://openalex.org/C194273485","wikidata":"https://www.wikidata.org/wiki/Q1478845","display_name":"Path loss","level":3,"score":0.26969999074935913},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.2687000036239624},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.26829999685287476},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2653999924659729},{"id":"https://openalex.org/C2983886724","wikidata":"https://www.wikidata.org/wiki/Q4262","display_name":"Radio signal","level":3,"score":0.26460000872612},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.26170000433921814},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.2599000036716461},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ccnc65079.2026.11366527","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ccnc65079.2026.11366527","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2026 IEEE 23rd Consumer Communications &amp;amp; Networking Conference (CCNC)","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":6,"referenced_works":["https://openalex.org/W4293231906","https://openalex.org/W4293812336","https://openalex.org/W4327767799","https://openalex.org/W4381616444","https://openalex.org/W4389428683","https://openalex.org/W4406354752"],"related_works":[],"abstract_inverted_index":{"Low":[0],"Earth":[1],"orbit":[2],"(LEO)":[3],"satellites":[4],"are":[5],"a":[6,59,106],"key":[7],"enabler":[8],"for":[9,127],"non-terrestrial":[10],"networks":[11],"(NTNs)":[12],"in":[13,38,114,122],"6G,":[14],"but":[15],"the":[16,72,83,88,96,115],"rapid":[17],"motion":[18],"of":[19],"Earth-moving":[20],"cells":[21],"(EMCs)":[22],"induces":[23],"frequent":[24],"handovers":[25],"(HOs)":[26],"and":[27,53,87,92,118,144,156],"unstable":[28],"connectivity.":[29],"Conventional":[30],"signal":[31],"strength-based":[32],"HO":[33,63,138,145],"control":[34],"(offset/TTT)":[35],"is":[36,79],"insufficient":[37],"NTN":[39,129],"because":[40],"large":[41],"footprints":[42],"cause":[43],"small":[44],"RSRP":[45],"gradients,":[46],"leading":[47],"to":[48,95],"both":[49],"unnecessary":[50],"HOs":[51,113],"(UHOs)":[52],"delayed":[54],"HOs.":[55],"This":[56,104],"paper":[57],"proposes":[58],"time-window":[60],"based":[61],"conditional":[62],"(TWCHO)":[64],"that":[65,111],"derives":[66],"per-UE":[67],"geometric":[68],"timing":[69],"bounds":[70],"from":[71,82],"relative":[73],"UE\u2013beam":[74],"mobility.":[75],"The":[76],"time":[77],"window":[78,110],"explicitly":[80],"calculated":[81],"hexagonal":[84],"cell":[85,116],"boundary":[86],"residence-time":[89],"upper":[90],"bound,":[91],"then":[93],"mapped":[94],"3GPP":[97,128],"technical":[98],"specifications":[99],"(TS)":[100],"38.331":[101],"CondEventT1":[102],"parameters.":[103],"realizes":[105],"dynamic,":[107],"geometry-aware":[108],"trigger":[109],"suppresses":[112],"interior":[117],"executes":[119],"them":[120],"only":[121],"favorable":[123],"regions.":[124],"System-level":[125],"simulations":[126],"study":[130],"case":[131],"9":[132],"show":[133],"that,":[134],"compared":[135],"with":[136],"conventional":[137],"mechanism,":[139],"TWCHO":[140],"significantly":[141],"reduces":[142],"UHOs":[143],"ping-pong":[146],"(HOPP)":[147],"while":[148],"maintaining":[149],"higher":[150],"downlink":[151],"signal-to-interference-plus-noise":[152],"ratio":[153],"(DL":[154],"SINR)":[155],"lower":[157],"radio":[158],"link":[159],"failure":[160],"(RLF).":[161]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2026-02-06T00:00:00"}
