{"id":"https://openalex.org/W4414603150","doi":"https://doi.org/10.1109/taes.2025.3615575","title":"Fast Time-Varying Sparsity Exploitation With Adaptive Observation Length Strategies in Underwater Acoustic Communication","display_name":"Fast Time-Varying Sparsity Exploitation With Adaptive Observation Length Strategies in Underwater Acoustic Communication","publication_year":2025,"publication_date":"2025-09-29","ids":{"openalex":"https://openalex.org/W4414603150","doi":"https://doi.org/10.1109/taes.2025.3615575"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2025.3615575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3615575","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","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/A5013791927","display_name":"Weihua Jiang","orcid":"https://orcid.org/0000-0003-4312-6108"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weihua Jiang","raw_affiliation_strings":["College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0000-0003-4312-6108","affiliations":[{"raw_affiliation_string":"College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100310404","display_name":"Caineng Pan","orcid":null},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Caineng Pan","raw_affiliation_strings":["College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052506297","display_name":"Feng Tong","orcid":"https://orcid.org/0000-0002-4959-2743"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feng Tong","raw_affiliation_strings":["College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"raw_orcid":"https://orcid.org/0000-0002-4959-2743","affiliations":[{"raw_affiliation_string":"College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101620944","display_name":"Lingji Xu","orcid":"https://orcid.org/0009-0008-4971-932X"},"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":"Lingji Xu","raw_affiliation_strings":["School of Marine Engineering and Technology, Sun Yat-sen University, Zhuhai, China"],"raw_orcid":"https://orcid.org/0009-0008-4971-932X","affiliations":[{"raw_affiliation_string":"School of Marine Engineering and Technology, Sun Yat-sen University, Zhuhai, China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038127647","display_name":"Zhengliang Zhu","orcid":"https://orcid.org/0000-0001-7445-8223"},"institutions":[{"id":"https://openalex.org/I161346416","display_name":"Jimei University","ror":"https://ror.org/03hknyb50","country_code":"CN","type":"education","lineage":["https://openalex.org/I161346416"]},{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengliang Zhu","raw_affiliation_strings":["School of Ocean Information Engineering, Jimei University, Xiamen, China","College of Ocean and Earth Sciences, Xiamen University, Xiamen, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Ocean Information Engineering, Jimei University, Xiamen, China","institution_ids":["https://openalex.org/I161346416"]},{"raw_affiliation_string":"College of Ocean and Earth Sciences, Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"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":0.23788729,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"61","issue":"6","first_page":"18933","last_page":"18944"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/T11447","display_name":"Blind Source Separation Techniques","score":0.996399998664856,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.744700014591217},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.5884000062942505},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5835999846458435},{"id":"https://openalex.org/keywords/compressed-sensing","display_name":"Compressed sensing","score":0.5536999702453613},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.534600019454956},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.5138999819755554},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.49140000343322754},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.47269999980926514},{"id":"https://openalex.org/keywords/underwater-acoustics","display_name":"Underwater acoustics","score":0.43549999594688416}],"concepts":[{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.744700014591217},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7305999994277954},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.5884000062942505},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5835999846458435},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.5536999702453613},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.534600019454956},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.5138999819755554},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.49140000343322754},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.47269999980926514},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4584999978542328},{"id":"https://openalex.org/C67467970","wikidata":"https://www.wikidata.org/wiki/Q1292425","display_name":"Underwater acoustics","level":3,"score":0.43549999594688416},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.35690000653266907},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.3553999960422516},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.3490999937057495},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.30160000920295715},{"id":"https://openalex.org/C179145077","wikidata":"https://www.wikidata.org/wiki/Q5154130","display_name":"Communication complexity","level":2,"score":0.28839999437332153},{"id":"https://openalex.org/C106516650","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm design","level":2,"score":0.2849999964237213},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.27709999680519104},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.27399998903274536},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.27250000834465027},{"id":"https://openalex.org/C2776003309","wikidata":"https://www.wikidata.org/wiki/Q1988072","display_name":"Adaptive algorithm","level":2,"score":0.2655999958515167},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.262800008058548},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.258899986743927},{"id":"https://openalex.org/C95491727","wikidata":"https://www.wikidata.org/wiki/Q992968","display_name":"Mobile telephony","level":3,"score":0.25870001316070557},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.2581999897956848},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2581000030040741}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2025.3615575","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3615575","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8145862138","display_name":null,"funder_award_id":"20720240108","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G8468070555","display_name":null,"funder_award_id":"2025J08203","funder_id":"https://openalex.org/F4320321878","funder_display_name":"Natural Science Foundation of Fujian Province"}],"funders":[{"id":"https://openalex.org/F4320321878","display_name":"Natural Science Foundation of Fujian Province","ror":null},{"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":37,"referenced_works":["https://openalex.org/W1617750981","https://openalex.org/W1974198688","https://openalex.org/W1989261702","https://openalex.org/W2015418199","https://openalex.org/W2018324106","https://openalex.org/W2092765469","https://openalex.org/W2097606935","https://openalex.org/W2097897435","https://openalex.org/W2117535994","https://openalex.org/W2129131372","https://openalex.org/W2135169825","https://openalex.org/W2151693816","https://openalex.org/W2160979406","https://openalex.org/W2166659185","https://openalex.org/W2782295163","https://openalex.org/W2794693724","https://openalex.org/W2810290332","https://openalex.org/W2946451720","https://openalex.org/W2953244834","https://openalex.org/W2962959174","https://openalex.org/W2963190722","https://openalex.org/W3029975191","https://openalex.org/W3178190183","https://openalex.org/W3204328895","https://openalex.org/W4285254601","https://openalex.org/W4313887511","https://openalex.org/W4323338517","https://openalex.org/W4323338675","https://openalex.org/W4360996161","https://openalex.org/W4389891285","https://openalex.org/W4390075092","https://openalex.org/W4390905649","https://openalex.org/W4392251649","https://openalex.org/W4392940938","https://openalex.org/W4406657551","https://openalex.org/W4406794301","https://openalex.org/W4407736552"],"related_works":[],"abstract_inverted_index":{"Underwater":[0],"acoustic":[1],"(UWA)":[2],"communication":[3,20,84],"is":[4,22,51],"essential":[5],"for":[6,110],"the":[7,16,25,29,44,77,82,88,92,96,99,103,106,111,116,120,142,162],"information":[8],"interaction":[9],"between":[10],"unmanned":[11],"underwate":[12],"vehicles":[13],"(UUVs).":[14],"However,":[15],"design":[17],"of":[18,28,46,102,119,132,141],"UWA":[19,30,47,83,174],"systems":[21],"challenged":[23],"by":[24,42,85],"inherent":[26],"complexity":[27,149],"channel.":[31],"While":[32],"compressed":[33],"sensing":[34],"(CS)":[35],"algorithms":[36],"can":[37],"enhance":[38],"channel":[39,133],"estimation":[40],"performance":[41],"leveraging":[43],"sparsity":[45,80],"channels,":[48],"their":[49],"effectiveness":[50],"limited":[52],"in":[53,58,81,95,170],"rapidly":[54],"time-varying":[55,79,172],"channel,":[56,105],"especially":[57],"high-speed":[59],"mobile":[60],"scenarios.":[61],"In":[62],"this":[63],"paper,":[64],"we":[65,136],"propose":[66],"a":[67,138],"variable":[68],"observation":[69,89,113],"length":[70,114],"subspace":[71],"pursuit":[72],"(VOLSP)":[73],"algorithm":[74,144,165],"to":[75,128,177],"exploit":[76],"fast":[78,171],"dynamically":[86],"adjusting":[87],"length.":[90],"Since":[91],"residual":[93,121],"error":[94,122],"VOLSP":[97,107,143,164],"indicates":[98],"unestimated":[100],"portion":[101],"target":[104],"adaptively":[108],"searches":[109],"optimal":[112],"along":[115],"negative":[117],"gradient":[118],"during":[123],"each":[124],"iteration,":[125],"so":[126],"as":[127],"accommodate":[129],"different":[130],"degrees":[131],"variations.":[134],"Additionally,":[135],"provide":[137],"convergence":[139],"analysis":[140],"and":[145,156],"compare":[146],"its":[147],"computational":[148],"with":[150],"traditional":[151],"methods.":[152],"Finally,":[153],"numerical":[154],"simulation":[155],"field":[157],"trial":[158],"results":[159],"verify":[160],"that":[161],"proposed":[163],"attains":[166],"superior":[167],"reconstruction":[168],"precision":[169],"sparse":[173],"channels":[175],"compared":[176],"conventional":[178],"algorithms.":[179]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}