{"id":"https://openalex.org/W7139123025","doi":"https://doi.org/10.1109/globecom59602.2025.11432006","title":"Hybrid Generative Semantic and Bit Communications in Satellite Networks: Trade-offs in Latency, Generation Quality, and Computation","display_name":"Hybrid Generative Semantic and Bit Communications in Satellite Networks: Trade-offs in Latency, Generation Quality, and Computation","publication_year":2025,"publication_date":"2025-12-08","ids":{"openalex":"https://openalex.org/W7139123025","doi":"https://doi.org/10.1109/globecom59602.2025.11432006"},"language":null,"primary_location":{"id":"doi:10.1109/globecom59602.2025.11432006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom59602.2025.11432006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2025 - 2025 IEEE Global Communications Conference","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/A5015440437","display_name":"Chong Huang","orcid":"https://orcid.org/0000-0002-0392-9398"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Chong Huang","raw_affiliation_strings":["University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH"],"affiliations":[{"raw_affiliation_string":"University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5130202523","display_name":"Gaojie Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gaojie Chen","raw_affiliation_strings":["Sun Yat-sen University,School of Flexible Electronics,China,510220"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Flexible Electronics,China,510220","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060411908","display_name":"Jing Zhu","orcid":"https://orcid.org/0000-0003-3621-381X"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Zhu","raw_affiliation_strings":["Sun Yat-sen University,School of Flexible Electronics,China,510220"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Flexible Electronics,China,510220","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129805379","display_name":"Qu Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Qu Luo","raw_affiliation_strings":["University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH"],"affiliations":[{"raw_affiliation_string":"University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129970197","display_name":"Pei Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Pei Xiao","raw_affiliation_strings":["University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH"],"affiliations":[{"raw_affiliation_string":"University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5129939033","display_name":"Wei Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Huang","raw_affiliation_strings":["Sun Yat-sen University,School of Flexible Electronics,China,510220"],"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University,School of Flexible Electronics,China,510220","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111591558","display_name":"R. Tafazolli","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rahim Tafazolli","raw_affiliation_strings":["University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH"],"affiliations":[{"raw_affiliation_string":"University of Surrey,5GIC &amp; 6GIC, Institute for Communication Systems (ICS),UK,GU2 7XH","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5015440437"],"corresponding_institution_ids":["https://openalex.org/I28290843"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.9256601,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"829","last_page":"834"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9115999937057495,"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":0.9115999937057495,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.010200000368058681,"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/T12079","display_name":"IoT Networks and Protocols","score":0.010200000368058681,"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/communications-satellite","display_name":"Communications satellite","score":0.6378999948501587},{"id":"https://openalex.org/keywords/flexibility","display_name":"Flexibility (engineering)","score":0.51419997215271},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.49070000648498535},{"id":"https://openalex.org/keywords/metric","display_name":"Metric (unit)","score":0.4553999900817871},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42170000076293945},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.41760000586509705},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.39239999651908875},{"id":"https://openalex.org/keywords/reinforcement-learning","display_name":"Reinforcement learning","score":0.38850000500679016},{"id":"https://openalex.org/keywords/data-transmission","display_name":"Data transmission","score":0.3603000044822693},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.3538999855518341}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8323000073432922},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.6378999948501587},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.51419997215271},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.49070000648498535},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.477400004863739},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.4553999900817871},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42170000076293945},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.41760000586509705},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.39239999651908875},{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.38850000500679016},{"id":"https://openalex.org/C557945733","wikidata":"https://www.wikidata.org/wiki/Q389772","display_name":"Data transmission","level":2,"score":0.3603000044822693},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3587000072002411},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.3538999855518341},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.34040001034736633},{"id":"https://openalex.org/C44871818","wikidata":"https://www.wikidata.org/wiki/Q5154139","display_name":"Communication in small groups","level":2,"score":0.33889999985694885},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.3325999975204468},{"id":"https://openalex.org/C167966045","wikidata":"https://www.wikidata.org/wiki/Q5532625","display_name":"Generative model","level":3,"score":0.33070001006126404},{"id":"https://openalex.org/C206345919","wikidata":"https://www.wikidata.org/wiki/Q20380951","display_name":"Resource (disambiguation)","level":2,"score":0.3278000056743622},{"id":"https://openalex.org/C2780609101","wikidata":"https://www.wikidata.org/wiki/Q17156588","display_name":"Resource management (computing)","level":2,"score":0.31690001487731934},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.3102000057697296},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.30730000138282776},{"id":"https://openalex.org/C2780898871","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Performance metric","level":2,"score":0.3021000027656555},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.29100000858306885},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.29089999198913574},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.27950000762939453},{"id":"https://openalex.org/C39890363","wikidata":"https://www.wikidata.org/wiki/Q36108","display_name":"Generative grammar","level":2,"score":0.2754000127315521},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.26440000534057617},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.2621999979019165},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.258899986743927},{"id":"https://openalex.org/C90312973","wikidata":"https://www.wikidata.org/wiki/Q7449052","display_name":"Semantic data model","level":2,"score":0.25589999556541443},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.25450000166893005},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.2529999911785126},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.250900000333786}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/globecom59602.2025.11432006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/globecom59602.2025.11432006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"GLOBECOM 2025 - 2025 IEEE Global Communications Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8","score":0.6022390127182007}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W3112022397","https://openalex.org/W3113050802","https://openalex.org/W3189999436","https://openalex.org/W3199339416","https://openalex.org/W4384158383","https://openalex.org/W4390692162","https://openalex.org/W4391935850","https://openalex.org/W4392174040","https://openalex.org/W4401871087","https://openalex.org/W4408145457","https://openalex.org/W4408324608","https://openalex.org/W4415368709"],"related_works":[],"abstract_inverted_index":{"As":[0],"satellite":[1,19,73],"communications":[2,30],"play":[3],"an":[4],"increasingly":[5],"important":[6],"role":[7],"in":[8,18,25,49,85,109,133],"future":[9],"wireless":[10,50],"networks,":[11],"the":[12,42,71,79,99,110,130,134,140,148,151,156],"issue":[13],"of":[14,44,142,150],"limited":[15],"link":[16],"budget":[17],"systems":[20],"has":[21],"attracted":[22],"significant":[23],"attention":[24],"current":[26],"research.":[27],"Although":[28],"semantic":[29,64,80,92,106,160],"emerge":[31],"as":[32],"a":[33,58,90,116],"promising":[34],"solution":[35],"to":[36,70,77,128],"address":[37,53],"these":[38,54],"constraints,":[39],"it":[40],"introduces":[41],"challenge":[43],"increased":[45],"computational":[46,103],"resource":[47,131],"consumption":[48],"communications.":[51],"To":[52],"challenges,":[55],"we":[56,88,114],"propose":[57],"multi-layer":[59],"hybrid":[60],"bit":[61],"and":[62,83,105,147],"generative":[63],"communication":[65,74,81,93,161],"framework":[66,146],"which":[67],"can":[68],"adapt":[69],"dynamic":[72],"networks.":[75],"Furthermore,":[76],"balance":[78],"efficiency":[82,94],"performance":[84],"satellite-to-ground":[86],"transmissions,":[87],"introduce":[89],"novel":[91,117],"metric":[95,153],"(SEM)":[96],"that":[97],"evaluates":[98],"trade-offs":[100],"among":[101,158],"latency,":[102],"consumption,":[104],"reconstruction":[107],"quality":[108],"proposed":[111,135,144,152],"framework.":[112],"Moreover,":[113],"utilize":[115],"deep":[118],"reinforcement":[119],"learning":[120],"(DRL)":[121],"algorithm":[122],"group":[123],"relative":[124],"policy":[125],"optimization":[126],"(GRPO)":[127],"optimize":[129],"allocation":[132],"network.":[136],"Simulation":[137],"results":[138],"demonstrate":[139],"flexibility":[141],"our":[143],"transmission":[145],"effectiveness":[149],"SEM,":[154],"illustrate":[155],"relationships":[157],"various":[159],"metrics.":[162]},"counts_by_year":[],"updated_date":"2026-03-20T20:54:20.808490","created_date":"2026-03-20T00:00:00"}
