{"id":"https://openalex.org/W2913773318","doi":"https://doi.org/10.1177/1550147719826001","title":"A fractional Fourier transform\u2013based channel estimation algorithm in single-carrier direct sequence code division multiple access underwater acoustic communication system","display_name":"A fractional Fourier transform\u2013based channel estimation algorithm in single-carrier direct sequence code division multiple access underwater acoustic communication system","publication_year":2019,"publication_date":"2019-01-01","ids":{"openalex":"https://openalex.org/W2913773318","doi":"https://doi.org/10.1177/1550147719826001","mag":"2913773318"},"language":"en","primary_location":{"id":"doi:10.1177/1550147719826001","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147719826001","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147719826001","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147719826001","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070900410","display_name":"Lin Zhou","orcid":"https://orcid.org/0000-0002-2700-834X"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lin Zhou","raw_affiliation_strings":["College of Engineering, Ocean University of China, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Engineering, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027969431","display_name":"Qingsheng Zhao","orcid":"https://orcid.org/0000-0001-8456-9357"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qingsheng Zhao","raw_affiliation_strings":["College of Engineering, Ocean University of China, Qingdao, China"],"raw_orcid":"https://orcid.org/0000-0001-8456-9357","affiliations":[{"raw_affiliation_string":"College of Engineering, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109801135","display_name":"Shukai Chi","orcid":"https://orcid.org/0000-0002-8902-5209"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Shukai Chi","raw_affiliation_strings":["College of Engineering, Ocean University of China, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Engineering, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100718119","display_name":"Yanlong Li","orcid":"https://orcid.org/0000-0002-1144-8789"},"institutions":[{"id":"https://openalex.org/I4210131919","display_name":"Xi'an University of Technology","ror":"https://ror.org/038avdt50","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210131919"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanlong Li","raw_affiliation_strings":["Institute of Water Resources and Hydro-Electric Engineering, Xi\u2019an University of Technology, Xi\u2019an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Water Resources and Hydro-Electric Engineering, Xi\u2019an University of Technology, Xi\u2019an, China","institution_ids":["https://openalex.org/I4210131919"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034427469","display_name":"Lanjun Liu","orcid":"https://orcid.org/0000-0001-7650-9098"},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lanjun Liu","raw_affiliation_strings":["College of Engineering, Ocean University of China, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Engineering, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002325415","display_name":"Qianxiang Yu","orcid":null},"institutions":[{"id":"https://openalex.org/I59028903","display_name":"Ocean University of China","ror":"https://ror.org/04rdtx186","country_code":"CN","type":"education","lineage":["https://openalex.org/I59028903"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianxiang Yu","raw_affiliation_strings":["College of Engineering, Ocean University of China, Qingdao, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Engineering, Ocean University of China, Qingdao, China","institution_ids":["https://openalex.org/I59028903"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5109801135"],"corresponding_institution_ids":["https://openalex.org/I59028903"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":{"value":2200,"currency":"USD","value_usd":2200},"fwci":0.4288,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.62148765,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"15","issue":"1","first_page":"155014771982600","last_page":"155014771982600"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9997000098228455,"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":0.9997000098228455,"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/T11698","display_name":"Underwater Acoustics Research","score":0.9988999962806702,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9693999886512756,"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/computer-science","display_name":"Computer science","score":0.7576296329498291},{"id":"https://openalex.org/keywords/fractional-fourier-transform","display_name":"Fractional Fourier transform","score":0.7169204950332642},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6491747498512268},{"id":"https://openalex.org/keywords/underwater-acoustic-communication","display_name":"Underwater acoustic communication","score":0.5995416641235352},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4996943473815918},{"id":"https://openalex.org/keywords/fourier-transform","display_name":"Fourier transform","score":0.45580151677131653},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.45026472210884094},{"id":"https://openalex.org/keywords/short-time-fourier-transform","display_name":"Short-time Fourier transform","score":0.4340711832046509},{"id":"https://openalex.org/keywords/chirp","display_name":"Chirp","score":0.4146527647972107},{"id":"https://openalex.org/keywords/underwater","display_name":"Underwater","score":0.34947529435157776},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3310135006904602},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2523428797721863},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14523297548294067},{"id":"https://openalex.org/keywords/fourier-analysis","display_name":"Fourier analysis","score":0.12709537148475647},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.09528642892837524},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07247450947761536}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7576296329498291},{"id":"https://openalex.org/C76563020","wikidata":"https://www.wikidata.org/wiki/Q4817582","display_name":"Fractional Fourier transform","level":4,"score":0.7169204950332642},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6491747498512268},{"id":"https://openalex.org/C169111936","wikidata":"https://www.wikidata.org/wiki/Q424098","display_name":"Underwater acoustic communication","level":3,"score":0.5995416641235352},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4996943473815918},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.45580151677131653},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.45026472210884094},{"id":"https://openalex.org/C166386157","wikidata":"https://www.wikidata.org/wiki/Q1477735","display_name":"Short-time Fourier transform","level":4,"score":0.4340711832046509},{"id":"https://openalex.org/C132794960","wikidata":"https://www.wikidata.org/wiki/Q27304","display_name":"Chirp","level":3,"score":0.4146527647972107},{"id":"https://openalex.org/C98083399","wikidata":"https://www.wikidata.org/wiki/Q3246517","display_name":"Underwater","level":2,"score":0.34947529435157776},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3310135006904602},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2523428797721863},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14523297548294067},{"id":"https://openalex.org/C203024314","wikidata":"https://www.wikidata.org/wiki/Q1365258","display_name":"Fourier analysis","level":3,"score":0.12709537148475647},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.09528642892837524},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07247450947761536},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.0},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1177/1550147719826001","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147719826001","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147719826001","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:sae:intdis:v:15:y:2019:i:1:p:1550147719826001","is_oa":false,"landing_page_url":"https://journals.sagepub.com/doi/10.1177/1550147719826001","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:ada0859af7b042b0aae539c8718b96fe","is_oa":true,"landing_page_url":"https://doaj.org/article/ada0859af7b042b0aae539c8718b96fe","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Distributed Sensor Networks, Vol 15 (2019)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1177/1550147719826001","is_oa":true,"landing_page_url":"https://doi.org/10.1177/1550147719826001","pdf_url":"https://journals.sagepub.com/doi/pdf/10.1177/1550147719826001","source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2819354775","display_name":"\u6c34\u4e0b\u52a8\u6001\u591a\u8282\u70b9\u81ea\u52a8\u63a5\u5165\u4e0e\u7ec4\u7f51\u57fa\u7840\u7814\u7a76","funder_award_id":"61431005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G590830700","display_name":null,"funder_award_id":"51409235","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":14,"referenced_works":["https://openalex.org/W148353664","https://openalex.org/W1978733092","https://openalex.org/W2091581981","https://openalex.org/W2108710836","https://openalex.org/W2133768391","https://openalex.org/W2140921653","https://openalex.org/W2142817701","https://openalex.org/W2143594946","https://openalex.org/W2344578948","https://openalex.org/W2774464482","https://openalex.org/W4229968881","https://openalex.org/W4230083068","https://openalex.org/W4302984307","https://openalex.org/W4376597187"],"related_works":["https://openalex.org/W2317831243","https://openalex.org/W2046395214","https://openalex.org/W2383644604","https://openalex.org/W3081304190","https://openalex.org/W2040742534","https://openalex.org/W2477841276","https://openalex.org/W4225540233","https://openalex.org/W1989468614","https://openalex.org/W46613192","https://openalex.org/W2370357644"],"abstract_inverted_index":{"Due":[0],"to":[1,167],"the":[2,7,11,26,63,86,111,121,127,135,140],"complexity":[3],"and":[4,20,57,106,118,120,138],"variability":[5],"of":[6,29,53],"underwater":[8,54,70,98],"acoustic":[9,55,71],"channel,":[10],"communication":[12,72,82,152],"signal":[13,35,46],"is":[14,47,91,101,116],"affected":[15],"by":[16],"multi-path,":[17],"time":[18],"delay,":[19],"Doppler":[21],"frequency":[22],"shift.":[23],"Based":[24],"on":[25,33,97,157],"advantageous":[27],"characteristics":[28],"fractional":[30,38,87,112,129],"Fourier":[31,39,88,113],"transform":[32],"chirp":[34],"processing,":[36],"a":[37,59,74,94],"transform\u2013based":[40,89,114],"algorithm":[41,90,115],"using":[42],"combined":[43,84],"linear":[44],"frequency\u2013modulated":[45],"proposed,":[48],"which":[49,131],"can":[50,123,132],"estimate":[51],"parameters":[52],"channel":[56,141],"has":[58,154],"better":[60],"performance":[61,156],"than":[62],"existing":[64],"methods.":[65],"To":[66],"distinguish":[67,168],"multi-user":[68],"in":[69],"system,":[73],"single-carrier":[75,145],"direct":[76,146],"sequence":[77,147],"code":[78,148,166],"division":[79,149],"multiple":[80,150],"access":[81,151],"system":[83,153],"with":[85],"proposed.":[92],"Thus,":[93],"preliminary":[95],"study":[96],"multi-target":[99],"identification":[100],"carried":[102],"out.":[103],"The":[104,143],"simulation":[105],"experimental":[107],"results":[108],"show":[109],"that":[110],"simple":[117],"effective,":[119],"energy":[122],"be":[124],"focused":[125],"at":[126],"\u201cbest\u201d":[128],"order,":[130],"directly":[133],"determine":[134],"multi-path":[136],"number":[137],"complete":[139],"estimation.":[142],"proposed":[144],"good":[155],"bit":[158],"error":[159],"rate":[160],"when":[161],"we":[162],"use":[163],"corresponding":[164],"spreading":[165],"multi-user.":[169]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-18T08:10:14.011955","created_date":"2019-02-21T00:00:00"}