{"id":"https://openalex.org/W4411996479","doi":"https://doi.org/10.1109/jiot.2025.3585510","title":"Unique Word OFDM With Joint Time-Frequency Channel Estimation for Internet of Underwater Things","display_name":"Unique Word OFDM With Joint Time-Frequency Channel Estimation for Internet of Underwater Things","publication_year":2025,"publication_date":"2025-07-03","ids":{"openalex":"https://openalex.org/W4411996479","doi":"https://doi.org/10.1109/jiot.2025.3585510"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3585510","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3585510","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/A5054801661","display_name":"Zeyad A. H. Qasem","orcid":"https://orcid.org/0000-0002-8571-4496"},"institutions":[{"id":"https://openalex.org/I31847773","display_name":"Zhejiang Ocean University","ror":"https://ror.org/03mys6533","country_code":"CN","type":"education","lineage":["https://openalex.org/I31847773"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zeyad A. H. Qasem","raw_affiliation_strings":["State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","Donghai Laboratory, Zhoushan, China"],"raw_orcid":"https://orcid.org/0009-0000-7530-0778","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","institution_ids":["https://openalex.org/I31847773"]},{"raw_affiliation_string":"Donghai Laboratory, Zhoushan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021428393","display_name":"Xingbin Tu","orcid":"https://orcid.org/0000-0002-8520-2626"},"institutions":[{"id":"https://openalex.org/I31847773","display_name":"Zhejiang Ocean University","ror":"https://ror.org/03mys6533","country_code":"CN","type":"education","lineage":["https://openalex.org/I31847773"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingbin Tu","raw_affiliation_strings":["State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","Donghai Laboratory, Zhoushan, China"],"raw_orcid":"https://orcid.org/0000-0002-8520-2626","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","institution_ids":["https://openalex.org/I31847773"]},{"raw_affiliation_string":"Donghai Laboratory, Zhoushan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067294042","display_name":"Chunyi Song","orcid":"https://orcid.org/0000-0002-3274-6806"},"institutions":[{"id":"https://openalex.org/I31847773","display_name":"Zhejiang Ocean University","ror":"https://ror.org/03mys6533","country_code":"CN","type":"education","lineage":["https://openalex.org/I31847773"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunyi Song","raw_affiliation_strings":["State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","Donghai Laboratory, Zhoushan, China"],"raw_orcid":"https://orcid.org/0000-0002-3274-6806","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","institution_ids":["https://openalex.org/I31847773"]},{"raw_affiliation_string":"Donghai Laboratory, Zhoushan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028057851","display_name":"Fengzhong Qu","orcid":"https://orcid.org/0000-0003-2006-0951"},"institutions":[{"id":"https://openalex.org/I31847773","display_name":"Zhejiang Ocean University","ror":"https://ror.org/03mys6533","country_code":"CN","type":"education","lineage":["https://openalex.org/I31847773"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fengzhong Qu","raw_affiliation_strings":["State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","Donghai Laboratory, Zhoushan, China"],"raw_orcid":"https://orcid.org/0000-0003-2006-0951","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Sensing and Ocean College, Zhejiang University, Zhoushan, China","institution_ids":["https://openalex.org/I31847773"]},{"raw_affiliation_string":"Donghai Laboratory, Zhoushan, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084963600","display_name":"Waheb A. Jabbar","orcid":"https://orcid.org/0000-0001-5164-8403"},"institutions":[{"id":"https://openalex.org/I12870472","display_name":"Birmingham City University","ror":"https://ror.org/00t67pt25","country_code":"GB","type":"education","lineage":["https://openalex.org/I12870472"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Waheb A. Jabbar","raw_affiliation_strings":["College of Engineering, Faculty of Computing, Engineering and the Built Environment, Birmingham City University, Birmingham, U.K","Faculty of Computing, Engineering and the Built Environment, College of Engineering, Birmingham City University, Birmingham, West Midlands, United Kingdom"],"raw_orcid":"https://orcid.org/0000-0001-5164-8403","affiliations":[{"raw_affiliation_string":"College of Engineering, Faculty of Computing, Engineering and the Built Environment, Birmingham City University, Birmingham, U.K","institution_ids":["https://openalex.org/I12870472"]},{"raw_affiliation_string":"Faculty of Computing, Engineering and the Built Environment, College of Engineering, Birmingham City University, Birmingham, West Midlands, United Kingdom","institution_ids":["https://openalex.org/I12870472"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060003794","display_name":"Hamada Esmaiel","orcid":"https://orcid.org/0000-0001-7317-8908"},"institutions":[{"id":"https://openalex.org/I82952536","display_name":"King Khalid University","ror":"https://ror.org/052kwzs30","country_code":"SA","type":"education","lineage":["https://openalex.org/I82952536"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Hamada Esmaiel","raw_affiliation_strings":["Electrical Engineering Department, College of Engineering, King Khalid University, Abha, Saudi Arabia"],"raw_orcid":"https://orcid.org/0000-0001-7317-8908","affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, College of Engineering, King Khalid University, Abha, Saudi Arabia","institution_ids":["https://openalex.org/I82952536"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5054801661"],"corresponding_institution_ids":["https://openalex.org/I31847773"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1834839,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":"18","first_page":"37604","last_page":"37616"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.953499972820282,"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"}},"topics":[{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.953499972820282,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7972209453582764},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7917064428329468},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.6796537637710571},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6519001722335815},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.5922732949256897},{"id":"https://openalex.org/keywords/word","display_name":"Word (group theory)","score":0.49440741539001465},{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.4911007881164551},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.4481130540370941},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4307931363582611},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.36928266286849976},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.21364572644233704},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09005579352378845},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.06369107961654663}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7972209453582764},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7917064428329468},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.6796537637710571},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6519001722335815},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.5922732949256897},{"id":"https://openalex.org/C90805587","wikidata":"https://www.wikidata.org/wiki/Q10944557","display_name":"Word (group theory)","level":2,"score":0.49440741539001465},{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.4911007881164551},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.4481130540370941},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4307931363582611},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.36928266286849976},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.21364572644233704},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09005579352378845},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.06369107961654663},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jiot.2025.3585510","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3585510","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"},{"id":"pmh:oai:www.open-access.bcu.ac.uk:16893","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402654","display_name":"BCU Open Access Repository (Birmingham City University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I12870472","host_organization_name":"Birmingham City University","host_organization_lineage":["https://openalex.org/I12870472"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"PeerReviewed"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G6287547189","display_name":null,"funder_award_id":"W2433160","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1996444993","https://openalex.org/W2014724694","https://openalex.org/W2036583321","https://openalex.org/W2037535136","https://openalex.org/W2078220650","https://openalex.org/W2094486285","https://openalex.org/W2099781940","https://openalex.org/W2115196109","https://openalex.org/W2121543088","https://openalex.org/W2129459483","https://openalex.org/W2132793452","https://openalex.org/W2135701926","https://openalex.org/W2138824526","https://openalex.org/W2160979406","https://openalex.org/W2167578470","https://openalex.org/W2168841166","https://openalex.org/W2196317271","https://openalex.org/W2332978648","https://openalex.org/W2555144622","https://openalex.org/W2737487737","https://openalex.org/W2753268088","https://openalex.org/W2900712891","https://openalex.org/W2947033506","https://openalex.org/W3011870742","https://openalex.org/W3012042653","https://openalex.org/W3041410138","https://openalex.org/W3128302265","https://openalex.org/W3144308869","https://openalex.org/W3170166380","https://openalex.org/W3177915145","https://openalex.org/W4213088590","https://openalex.org/W4312490798","https://openalex.org/W4361799252","https://openalex.org/W4392251649","https://openalex.org/W4393252977","https://openalex.org/W4394994331","https://openalex.org/W4402215846"],"related_works":["https://openalex.org/W3081304190","https://openalex.org/W2477841276","https://openalex.org/W1989468614","https://openalex.org/W46613192","https://openalex.org/W4225540233","https://openalex.org/W2556643280","https://openalex.org/W2185568765","https://openalex.org/W2353494610","https://openalex.org/W4285703999","https://openalex.org/W2377549781"],"abstract_inverted_index":{"The":[0,83,124,181],"acoustic-based":[1,64],"internet":[2],"of":[3,11,19,44,108,165],"underwater":[4,23,179],"things":[5],"(IoUT)":[6],"is":[7,47,151],"considered":[8],"as":[9,29],"one":[10],"the":[12,22,45,51,95,101,109,120,145,163,166,185,218],"most":[13],"challenging":[14],"environments":[15],"for":[16,53],"communication":[17,25,75,192],"because":[18],"issues":[20],"in":[21,115,142,153,201,237],"acoustic":[24],"(UWAC)":[26],"channel,":[27],"such":[28],"multipath":[30,135],"propagation":[31,136,159],"and":[32,55,137,172,205,233],"Doppler":[33,138,224],"shift.":[34],"Accurately":[35],"estimating":[36],"these":[37],"effects":[38,226],"without":[39],"sacrificing":[40],"a":[41,80,87,177,189,197,234],"significant":[42],"portion":[43],"bandwidth":[46],"extremely":[48],"difficult,":[49],"underscoring":[50],"need":[52],"robust":[54],"sophisticated":[56],"techniques.":[57],"In":[58,216],"this":[59],"paper,":[60],"we":[61],"propose":[62],"an":[63],"unique":[65],"word":[66],"orthogonal":[67],"frequency":[68],"division":[69],"multiplexing":[70],"(UW-OFDM)":[71],"scheme":[72,85,146,219],"to":[73,99,113,118,134,156,196,207,213],"enable":[74],"between":[76],"IoUT":[77,191],"nodes":[78],"over":[79,176],"doubly-selective":[81],"channel.":[82,180],"proposed":[84,125,167,186],"employs":[86],"joint":[88],"time-frequency":[89],"channel":[90,102,121],"estimation":[91],"approach":[92,187],"by":[93],"leveraging":[94],"time-domain":[96],"guard":[97],"interval":[98],"identify":[100],"paths":[103],"while":[104,131],"utilizing":[105],"only":[106],"3.1%":[107],"frequency-domain":[110],"subcarriers,":[111],"compared":[112,212],"25%":[114],"conventional":[116,214],"methods,":[117],"track":[119],"path":[122],"coefficients.":[123],"method":[126],"significantly":[127],"enhances":[128],"spectral":[129],"efficiency":[130],"maintaining":[132],"resilience":[133],"shift":[139,225],"impairments":[140],"inherent":[141],"UWAC.":[143],"Furthermore,":[144],"eliminates":[147],"inter-block":[148],"interference,":[149],"which":[150],"critical":[152],"UWAC":[154],"due":[155],"its":[157],"distinctive":[158],"characteristics.":[160],"We":[161],"evaluate":[162],"performance":[164,232],"methods":[168],"using":[169],"both":[170],"simulations":[171],"real-world":[173],"experimental":[174],"tests":[175],"300-meter":[178],"results":[182],"demonstrate":[183],"that":[184],"offers":[188],"reliable":[190],"solution,":[193],"achieving":[194],"up":[195,206],"5":[198],"dB":[199],"improvement":[200],"bit":[202],"error":[203],"rate":[204],"17.56%":[208],"higher":[209],"subcarrier":[210],"utilization":[211],"schemes.":[215],"addition,":[217],"exhibits":[220],"strong":[221],"robustness":[222],"against":[223],"with":[227],"similar":[228],"peak-to-average":[229],"power":[230],"ratio":[231],"modest":[235],"increase":[236],"computational":[238],"complexity.":[239]},"counts_by_year":[],"updated_date":"2026-05-05T08:41:31.759640","created_date":"2025-10-10T00:00:00"}
