{"id":"https://openalex.org/W7154592806","doi":"https://doi.org/10.48550/arxiv.2604.13984","title":"Edge-Side Residual Timing and Frequency Control for Software-Defined Ground Stations in 5G NTN Uplinks","display_name":"Edge-Side Residual Timing and Frequency Control for Software-Defined Ground Stations in 5G NTN Uplinks","publication_year":2026,"publication_date":"2026-04-15","ids":{"openalex":"https://openalex.org/W7154592806","doi":"https://doi.org/10.48550/arxiv.2604.13984"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.13984","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13984","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.13984","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102545947","display_name":"Longji He","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"He, Longji","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122928627","display_name":"Elena Emma Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Elena Emma","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133745913","display_name":"Xichun Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Xichun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5133802246","display_name":"Juntao Xu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xu, Juntao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5133788416","display_name":"Jiaming Li","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Jiaming","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"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":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.4309999942779541,"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":0.4309999942779541,"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/T13905","display_name":"Telecommunications and Broadcasting Technologies","score":0.30820000171661377,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"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":0.06650000065565109,"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/residual","display_name":"Residual","score":0.8367000222206116},{"id":"https://openalex.org/keywords/goodput","display_name":"Goodput","score":0.6787999868392944},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6043999791145325},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5372999906539917},{"id":"https://openalex.org/keywords/controller","display_name":"Controller (irrigation)","score":0.48730000853538513},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.4512999951839447},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.387800008058548},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.35929998755455017}],"concepts":[{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.8367000222206116},{"id":"https://openalex.org/C94022561","wikidata":"https://www.wikidata.org/wiki/Q1172393","display_name":"Goodput","level":4,"score":0.6787999868392944},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6043999791145325},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5372999906539917},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5163000226020813},{"id":"https://openalex.org/C203479927","wikidata":"https://www.wikidata.org/wiki/Q5165939","display_name":"Controller (irrigation)","level":2,"score":0.48730000853538513},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.4512999951839447},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.42289999127388},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.387800008058548},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.35929998755455017},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.35519999265670776},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.33390000462532043},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30480000376701355},{"id":"https://openalex.org/C118437007","wikidata":"https://www.wikidata.org/wiki/Q1017139","display_name":"Hybrid automatic repeat request","level":3,"score":0.29350000619888306},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2750000059604645},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.2736000120639801},{"id":"https://openalex.org/C184670325","wikidata":"https://www.wikidata.org/wiki/Q512604","display_name":"Loop (graph theory)","level":2,"score":0.27140000462532043},{"id":"https://openalex.org/C74925373","wikidata":"https://www.wikidata.org/wiki/Q4175911","display_name":"Control network","level":3,"score":0.2711000144481659},{"id":"https://openalex.org/C25915539","wikidata":"https://www.wikidata.org/wiki/Q220786","display_name":"Automatic frequency control","level":2,"score":0.2603999972343445},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.25690001249313354},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2547000050544739}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.13984","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13984","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.13984","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.13984","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0,72],"paper":[1,73],"studies":[2],"a":[3,18,44,75,81,90,97,123,136,216,230],"ground-segment":[4],"implementation":[5],"problem":[6],"in":[7,229,240],"5G":[8],"non-terrestrial":[9],"networks":[10],"(NTN):":[11],"once":[12],"UE-side":[13],"geometric":[14],"pre-compensation":[15],"has":[16],"produced":[17],"coarse":[19,53],"timing/frequency":[20,222],"prior,":[21],"can":[22,224],"an":[23,31,219],"edge-side":[24,220],"residual":[25,61,115,195,202,221],"loop":[26,67,223],"keep":[27,225],"the":[28,52,56,60,69,110,141,146,164,191,210,226,237,241],"uplink":[29,228],"inside":[30],"NR-feasible":[32,233],"operating":[33,234],"region":[34],"under":[35,236],"rapid":[36],"LEO":[37],"dynamics?":[38],"We":[39],"examine":[40],"this":[41],"question":[42],"with":[43,113,209],"software-defined":[45],"ground":[46],"station":[47],"(SDGS)":[48],"design":[49],"that":[50,184],"keeps":[51,194],"prior":[54],"at":[55,68,198],"UE":[57],"and":[58,96,132,201],"closes":[59],"timing-advance":[62],"(TA)":[63],"/":[64],"carrier-frequency-offset":[65],"(CFO)":[66],"ground-station":[70,189],"edge.":[71],"takes":[74],"systems-and-control":[76],"view":[77],"rather":[78,134],"than":[79,135],"proposing":[80],"full-stack":[82],"intelligent":[83],"architecture.":[84],"Its":[85],"evidence":[86],"base":[87],"consists":[88],"of":[89],"March":[91],"2026":[92],"hardware-in-the-loop":[93],"(HIL)":[94],"campaign":[95,103],"companion":[98],"uncertainty":[99,211],"analysis.":[100],"The":[101,126],"HIL":[102,243],"includes":[104],"same-window":[105],"reference":[106,185],"runs":[107],"collected":[108],"on":[109],"same":[111],"platform":[112],"edge":[114],"control":[116],"disabled,":[117],"but":[118],"it":[119],"does":[120],"not":[121],"include":[122],"cloud-loop":[124],"benchmark.":[125],"placement":[127],"claim":[128],"is":[129],"therefore":[130],"architectural":[131],"control-oriented":[133],"head-to-head":[137],"cloud-versus-edge":[138],"proof.":[139],"In":[140],"Shenzhen":[142],"steady-state":[143],"tracking":[144],"interval,":[145],"edge-controlled":[147],"mode":[148],"lowers":[149],"mean":[150],"RTT":[151],"from":[152,172],"70.51":[153],"+/-":[154,159,174,179],"2.34":[155],"ms":[156,161],"to":[157,177,183],"32.84":[158],"2.56":[160],"and,":[162],"within":[163,205],"retained":[165,239],"Layer-3":[166],"transport":[167],"mapping,":[168],"improves":[169],"artifact-level":[170],"goodput":[171],"80.14":[173],"0.14":[175],"Mbps":[176,181],"196.04":[178],"1.87":[180],"relative":[182],"configuration.":[186],"Across":[187],"four":[188],"locations,":[190],"closed-loop":[192],"controller":[193],"TA":[196],"P95":[197,204],"0.49":[199],"us":[200],"CFO":[203],"76-77":[206],"Hz.":[207],"Together":[208],"analysis,":[212],"these":[213],"observations":[214],"support":[215],"bounded":[217],"claim:":[218],"SDGS":[227],"more":[231],"stable":[232],"regime":[235],"assumptions":[238],"current":[242],"artifact.":[244]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-04-17T00:00:00"}