{"id":"https://openalex.org/W4408564444","doi":"https://doi.org/10.1109/jiot.2025.3550889","title":"Flexible Spectrum Sensing in NOMA System for LEO Satellite\u2013Terrestrial Uplink Communications","display_name":"Flexible Spectrum Sensing in NOMA System for LEO Satellite\u2013Terrestrial Uplink Communications","publication_year":2025,"publication_date":"2025-03-18","ids":{"openalex":"https://openalex.org/W4408564444","doi":"https://doi.org/10.1109/jiot.2025.3550889"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3550889","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3550889","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5109535279","display_name":"Jie Zhu","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jie Zhu","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091777215","display_name":"Tianheng Xu","orcid":"https://orcid.org/0000-0002-7152-1378"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tianheng Xu","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-7152-1378","affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406988","display_name":"Chao Wang","orcid":"https://orcid.org/0000-0002-4548-3697"},"institutions":[{"id":"https://openalex.org/I116953780","display_name":"Tongji University","ror":"https://ror.org/03rc6as71","country_code":"CN","type":"education","lineage":["https://openalex.org/I116953780"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Wang","raw_affiliation_strings":["Department of Information and Communication Engineering, Tongji University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-4548-3697","affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Tongji University, Shanghai, China","institution_ids":["https://openalex.org/I116953780"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029622571","display_name":"Kai Ying","orcid":"https://orcid.org/0000-0003-2645-5305"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Ying","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-2645-5305","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064073489","display_name":"Ting Zhou","orcid":"https://orcid.org/0000-0002-0420-0566"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Zhou","raw_affiliation_strings":["School of Microelectronics, Shanghai University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0420-0566","affiliations":[{"raw_affiliation_string":"School of Microelectronics, Shanghai University, Shanghai, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100458455","display_name":"Haijun Zhang","orcid":"https://orcid.org/0000-0002-0236-6482"},"institutions":[{"id":"https://openalex.org/I92403157","display_name":"University of Science and Technology Beijing","ror":"https://ror.org/02egmk993","country_code":"CN","type":"education","lineage":["https://openalex.org/I92403157"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haijun Zhang","raw_affiliation_strings":["School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-0236-6482","affiliations":[{"raw_affiliation_string":"School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, China","institution_ids":["https://openalex.org/I92403157"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084889205","display_name":"Honglin Hu","orcid":"https://orcid.org/0000-0002-4665-5278"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210111959","display_name":"Shanghai Advanced Research Institute","ror":"https://ror.org/02br7py06","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210111959"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Honglin Hu","raw_affiliation_strings":["Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-4665-5278","affiliations":[{"raw_affiliation_string":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China","institution_ids":["https://openalex.org/I4210111959","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5109535279"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210111959"],"apc_list":null,"apc_paid":null,"fwci":14.3633,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.97995383,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"12","issue":"11","first_page":"18439","last_page":"18442"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9930999875068665,"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":0.9930999875068665,"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/T12449","display_name":"Spacecraft Design and Technology","score":0.982200026512146,"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/T11701","display_name":"Space Satellite Systems and Control","score":0.9574999809265137,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.8877705335617065},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.8747223615646362},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7158416509628296},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.5497607588768005},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.5174279808998108},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.47503119707107544},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.46746328473091125},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10513773560523987},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.08205294609069824}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.8877705335617065},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.8747223615646362},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7158416509628296},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.5497607588768005},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.5174279808998108},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.47503119707107544},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.46746328473091125},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10513773560523987},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.08205294609069824}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3550889","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3550889","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2704596706","display_name":null,"funder_award_id":"24DP1500700","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G351996751","display_name":null,"funder_award_id":"22120230311","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W3020260340","https://openalex.org/W3172702514","https://openalex.org/W3172818029","https://openalex.org/W3212813280","https://openalex.org/W4294811363","https://openalex.org/W4312233540","https://openalex.org/W4392173790","https://openalex.org/W4401806335","https://openalex.org/W4404102502","https://openalex.org/W4405380100"],"related_works":["https://openalex.org/W3165611029","https://openalex.org/W2370038111","https://openalex.org/W2950413682","https://openalex.org/W2028190576","https://openalex.org/W1836774208","https://openalex.org/W4206958678","https://openalex.org/W2373343648","https://openalex.org/W64102529","https://openalex.org/W2350659615","https://openalex.org/W4241763859"],"abstract_inverted_index":{"With":[0],"the":[1,13,28,39,50,68,99,104,112,122,126],"sixth-generation":[2],"mobile":[3],"communication":[4,137],"technology":[5],"(6G)":[6],"experiencing":[7],"a":[8,35,62,129],"shift":[9],"of":[10,15,25,30,41,52,94,114,133],"spatial":[11],"expansion,":[12],"integration":[14],"terrestrial":[16],"architecture":[17],"and":[18,87,102,110],"satellites":[19],"has":[20,33],"become":[21,34],"one":[22],"core":[23],"feature":[24],"6G.":[26],"While":[27],"scarcity":[29],"spectrum":[31,57,64,108],"resources":[32],"significant":[36],"challenge":[37],"hindering":[38],"advancement":[40],"integrated":[42],"satellite-terrestrial":[43,79],"networks,":[44],"it":[45],"is":[46],"crucial":[47],"to":[48,55],"push":[49],"development":[51],"effective":[53],"strategies":[54],"optimize":[56],"utilization.":[58],"This":[59],"letter":[60],"introduces":[61],"flexible":[63],"sensing":[65,105],"technique":[66,124],"in":[67,135],"nonorthogonal":[69],"multiple":[70],"access":[71],"(NOMA)":[72],"uplink":[73],"system":[74],"for":[75],"low-earth":[76],"orbit":[77],"(LEO)":[78],"communications,":[80],"striking":[81],"an":[82],"optimal":[83],"balance":[84],"between":[85],"under-sensing":[86],"over-sensing.":[88],"Confronted":[89],"with":[90],"diverse":[91],"complicated":[92],"scenarios":[93],"multisatellite":[95],"coverage,":[96],"we":[97],"conceive":[98],"operational":[100],"principles":[101],"derive":[103],"thresholds,":[106],"exploiting":[107],"holes":[109],"mitigating":[111],"fluctuation":[113],"false":[115],"alarms.":[116],"Notably,":[117],"numerical":[118],"outcomes":[119],"showcase":[120],"that":[121],"proposed":[123],"outperforms":[125],"benchmarks,":[127],"achieving":[128],"maximum":[130],"throughput":[131],"gain":[132],"61.5%":[134],"dynamic":[136],"environments.":[138]},"counts_by_year":[{"year":2025,"cited_by_count":3}],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
