{"id":"https://openalex.org/W4415707049","doi":"https://doi.org/10.1109/twc.2025.3624836","title":"Joint Signal Detection for Low-Altitude Aerial Cell-Free Networks With Wireless Fronthaul: Framework, Analysis, and Optimization","display_name":"Joint Signal Detection for Low-Altitude Aerial Cell-Free Networks With Wireless Fronthaul: Framework, Analysis, and Optimization","publication_year":2025,"publication_date":"2025-10-30","ids":{"openalex":"https://openalex.org/W4415707049","doi":"https://doi.org/10.1109/twc.2025.3624836"},"language":null,"primary_location":{"id":"doi:10.1109/twc.2025.3624836","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3624836","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","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/A5029964893","display_name":"Xuesong Pan","orcid":"https://orcid.org/0000-0002-3783-0732"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuesong Pan","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3783-0732","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100741497","display_name":"Zhong Zheng","orcid":"https://orcid.org/0000-0002-3955-2510"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhong Zheng","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","School of Information and Electronics and the National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-3955-2510","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Information and Electronics and the National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041262442","display_name":"Siqiang Wang","orcid":"https://orcid.org/0000-0003-4151-991X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Siqiang Wang","raw_affiliation_strings":["School of Information and Electronics, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0003-4151-991X","affiliations":[{"raw_affiliation_string":"School of Information and Electronics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048817096","display_name":"Qingqing Wu","orcid":"https://orcid.org/0000-0002-0043-3266"},"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":"Qingqing Wu","raw_affiliation_strings":["Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0043-3266","affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005456828","display_name":"Zesong Fei","orcid":"https://orcid.org/0000-0002-7576-625X"},"institutions":[{"id":"https://openalex.org/I125839683","display_name":"Beijing Institute of Technology","ror":"https://ror.org/01skt4w74","country_code":"CN","type":"education","lineage":["https://openalex.org/I125839683","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zesong Fei","raw_affiliation_strings":["National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","School of Information and Electronics and the National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0002-7576-625X","affiliations":[{"raw_affiliation_string":"National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Information and Electronics and the National Key Laboratory of Science and Technology on Space-Born Intelligent Information Processing, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"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":0.39502003,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":null,"first_page":"6409","last_page":"6424"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.770799994468689,"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/T11133","display_name":"UAV Applications and Optimization","score":0.770799994468689,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.06279999762773514,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.054499998688697815,"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/telecommunications-link","display_name":"Telecommunications link","score":0.7314000129699707},{"id":"https://openalex.org/keywords/rician-fading","display_name":"Rician fading","score":0.6151999831199646},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5415999889373779},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5274999737739563},{"id":"https://openalex.org/keywords/detection-theory","display_name":"Detection theory","score":0.49790000915527344},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47440001368522644},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4578000009059906},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.43860000371932983}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7687000036239624},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7314000129699707},{"id":"https://openalex.org/C60472773","wikidata":"https://www.wikidata.org/wiki/Q7331156","display_name":"Rician fading","level":4,"score":0.6151999831199646},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5415999889373779},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5274999737739563},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.5142999887466431},{"id":"https://openalex.org/C137270730","wikidata":"https://www.wikidata.org/wiki/Q120811","display_name":"Detection theory","level":3,"score":0.49790000915527344},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47440001368522644},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4578000009059906},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.43860000371932983},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.43309998512268066},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4262000024318695},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.3727000057697296},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.3547999858856201},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.34540000557899475},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.32710000872612},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.32510000467300415},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.31310001015663147},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.3073999881744385},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2669000029563904},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.2635999917984009},{"id":"https://openalex.org/C50661577","wikidata":"https://www.wikidata.org/wiki/Q901831","display_name":"Time-division multiplexing","level":3,"score":0.25929999351501465},{"id":"https://openalex.org/C47696715","wikidata":"https://www.wikidata.org/wiki/Q233394","display_name":"Code division multiple access","level":2,"score":0.2549000084400177},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3624836","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3624836","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4151962258","display_name":null,"funder_award_id":"NSFC 62371040","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5360840784","display_name":null,"funder_award_id":"NSFC 62471039","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8608508171","display_name":null,"funder_award_id":"NSFC 62371289","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G905389181","display_name":null,"funder_award_id":"BK20212001","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W2072184935","https://openalex.org/W2153904265","https://openalex.org/W2286275639","https://openalex.org/W2395300968","https://openalex.org/W2895677730","https://openalex.org/W2932856025","https://openalex.org/W2963493594","https://openalex.org/W2963580658","https://openalex.org/W2964181991","https://openalex.org/W2965123227","https://openalex.org/W2969768389","https://openalex.org/W2974046131","https://openalex.org/W3004946548","https://openalex.org/W3006769975","https://openalex.org/W3012557618","https://openalex.org/W3130437501","https://openalex.org/W3161347087","https://openalex.org/W3162720533","https://openalex.org/W3188358066","https://openalex.org/W3197427876","https://openalex.org/W3204319232","https://openalex.org/W3207043832","https://openalex.org/W3216796187","https://openalex.org/W4205812733","https://openalex.org/W4226113210","https://openalex.org/W4290996263","https://openalex.org/W4297912121","https://openalex.org/W4312597125","https://openalex.org/W4315473661","https://openalex.org/W4384787122","https://openalex.org/W4386869656","https://openalex.org/W4391877812","https://openalex.org/W4399310938","https://openalex.org/W4409795992"],"related_works":[],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,80,126],"investigate":[4],"the":[5,24,39,64,69,74,98,120,135,142,146,152,161,170,180,185,190],"uplink":[6,130],"joint":[7,129,192],"signal":[8,131,193],"detection":[9,132,194],"for":[10,38,86,172],"low-altitude":[11],"aerial":[12,57],"cell-free":[13],"(CF)":[14],"networks,":[15],"where":[16,134],"each":[17],"flying":[18,61,99],"access":[19,108,114],"point":[20],"(AP)":[21],"locally":[22],"processes":[23],"received":[25],"signals":[26],"and":[27,94,110,122,141,179,187],"then":[28],"forwards":[29],"these":[30],"information":[31,157],"to":[32,73],"a":[33,82,102,128],"central":[34,143],"processing":[35,137],"unit":[36],"(CPU)":[37],"final":[40],"detection.":[41],"However,":[42],"unlike":[43],"terrestrial":[44],"CF":[45,58],"networks":[46,59],"that":[47],"typically":[48],"adopt":[49,81],"optic":[50],"fiber":[51],"fronthaul":[52,55,77,88],"links,":[53,89],"wireless":[54,87,124],"in":[56],"connecting":[60],"APs":[62,100,140,178],"with":[63],"CPU":[65,147],"will":[66],"significantly":[67,168],"affect":[68],"communication":[70],"performance,":[71],"due":[72],"practically":[75],"limited":[76],"capacity.":[78],"Therefore,":[79],"realistic":[83],"channel":[84,155],"model":[85],"which":[90],"experience":[91],"Rician":[92],"fading":[93],"are":[95,148],"shared":[96],"among":[97],"through":[101],"combination":[103],"of":[104,189],"frequency":[105],"division":[106,112],"multiple":[107,113],"(FDMA)":[109],"space":[111],"(SDMA)":[115],"protocol.":[116],"Taking":[117],"into":[118],"account":[119],"imperfect":[121],"capacity-limited":[123],"fronthaul,":[125],"propose":[127],"framework,":[133],"local":[136],"matrix":[138],"at":[139,145],"detector":[144],"designed":[149],"based":[150],"on":[151],"long-term":[153],"statistical":[154],"state":[156],"(CSI)":[158],"by":[159],"leveraging":[160],"operator-valued":[162],"free":[163],"probability":[164],"theory.":[165],"This":[166],"approach":[167],"reduces":[169],"need":[171],"frequent,":[173],"high-capacity":[174],"signaling":[175],"exchanges":[176],"between":[177],"CPU.":[181],"Numerical":[182],"results":[183],"demonstrate":[184],"accuracy":[186],"effectiveness":[188],"proposed":[191],"framework.":[195]},"counts_by_year":[],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-30T00:00:00"}