{"id":"https://openalex.org/W4409917102","doi":"https://doi.org/10.1109/jiot.2025.3565521","title":"The Iterative Sequential Polynomial Fitting Algorithm for a Mobile 4CASK-OCC System","display_name":"The Iterative Sequential Polynomial Fitting Algorithm for a Mobile 4CASK-OCC System","publication_year":2025,"publication_date":"2025-04-29","ids":{"openalex":"https://openalex.org/W4409917102","doi":"https://doi.org/10.1109/jiot.2025.3565521"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2025.3565521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3565521","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/A5062030136","display_name":"Shaoxi Ji","orcid":"https://orcid.org/0000-0001-5091-6680"},"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":"Shaoxi Ji","raw_affiliation_strings":["Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-5091-6680","affiliations":[{"raw_affiliation_string":"Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007993757","display_name":"Aiying Yang","orcid":"https://orcid.org/0000-0001-8062-4187"},"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":"Aiying Yang","raw_affiliation_strings":["Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-8062-4187","affiliations":[{"raw_affiliation_string":"Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075129009","display_name":"Hang Xu","orcid":"https://orcid.org/0000-0002-2887-6587"},"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":"Hang Xu","raw_affiliation_strings":["Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018402573","display_name":"Lihui Feng","orcid":"https://orcid.org/0000-0001-9171-8998"},"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":"Lihui Feng","raw_affiliation_strings":["Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-9171-8998","affiliations":[{"raw_affiliation_string":"Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]},{"raw_affiliation_string":"School of Optics and Photonics, Key Laboratory of Photonics Information Technology, Beijing Institute of Technology, Beijing, China","institution_ids":["https://openalex.org/I125839683"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012060181","display_name":"Zhenrong Zhang","orcid":"https://orcid.org/0000-0003-1125-6637"},"institutions":[{"id":"https://openalex.org/I150807315","display_name":"Guangxi University","ror":"https://ror.org/02c9qn167","country_code":"CN","type":"education","lineage":["https://openalex.org/I150807315"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenrong Zhang","raw_affiliation_strings":["Key Laboratory of Multimedia Communications and Network Technology, School of Computer, Electronics and Information, Guangxi University, Nanning, China","School of Computer, Electronics and Information, Key Laboratory of Multimedia Communications and Network Technology, Guangxi University, Nanning, China"],"raw_orcid":"https://orcid.org/0000-0003-1125-6637","affiliations":[{"raw_affiliation_string":"Key Laboratory of Multimedia Communications and Network Technology, School of Computer, Electronics and Information, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]},{"raw_affiliation_string":"School of Computer, Electronics and Information, Key Laboratory of Multimedia Communications and Network Technology, Guangxi University, Nanning, China","institution_ids":["https://openalex.org/I150807315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088548874","display_name":"Minglun Zhang","orcid":"https://orcid.org/0000-0001-7793-6884"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Minglun Zhang","raw_affiliation_strings":["State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, China","State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China"],"raw_orcid":"https://orcid.org/0000-0001-7793-6884","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.1706,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.7866429,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"12","issue":"14","first_page":"28362","last_page":"28373"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.5461000204086304,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10715","display_name":"Distributed and Parallel Computing Systems","score":0.5461000204086304,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.4961000084877014,"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":0.704302191734314},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5741802453994751},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.53812575340271},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.5074500441551208},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.32624420523643494},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21370917558670044}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.704302191734314},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5741802453994751},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.53812575340271},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.5074500441551208},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.32624420523643494},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21370917558670044},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2025.3565521","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2025.3565521","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2494409994","display_name":null,"funder_award_id":"2020AA21077007","funder_id":"https://openalex.org/F4320335965","funder_display_name":"Science and Technology Major Project of Guangxi"},{"id":"https://openalex.org/G4532424999","display_name":"\u57fa\u4e8e\u795e\u7ecf\u7f51\u7edc\u7684\u878d\u5408\u53ef\u89c1\u5149\u4e0e\u60ef\u6027\u5bfc\u822a\u7684\u9ad8\u7cbe\u5ea6\u5ba4\u5185\u5b9a\u4f4d\u7814\u7a76","funder_award_id":"61971046","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6295141310","display_name":null,"funder_award_id":"62075012","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"},{"id":"https://openalex.org/F4320335965","display_name":"Science and Technology Major Project of Guangxi","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2587948979","https://openalex.org/W2784210264","https://openalex.org/W2794308521","https://openalex.org/W2795450439","https://openalex.org/W2887835954","https://openalex.org/W2897719545","https://openalex.org/W2913220131","https://openalex.org/W2953884299","https://openalex.org/W3042528245","https://openalex.org/W3140488856","https://openalex.org/W3163034504","https://openalex.org/W3169945531","https://openalex.org/W4213182132","https://openalex.org/W4220781527","https://openalex.org/W4312079998","https://openalex.org/W4378223097","https://openalex.org/W4385626986","https://openalex.org/W4386525364","https://openalex.org/W4394762483","https://openalex.org/W4396661414"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109"],"abstract_inverted_index":{"We":[0],"propose":[1,67],"and":[2,103,117,137,163,175,194,212],"experimentally":[3],"validate":[4],"the":[5,27,32,38,51,97,134,141,144,158,191,195],"adaptive":[6],"detection":[7],"method":[8,74,197],"for":[9,50,75],"a":[10,80,110,151],"4CASK":[11],"optical":[12],"camera":[13,159],"communication":[14],"(OCC)":[15],"system":[16,153,192],"that":[17,184],"supports":[18],"user":[19],"mobility.":[20],"In":[21],"mobile":[22],"scenarios,":[23],"lateral":[24,176],"movement":[25,36,118,155,185],"shifts":[26],"brightest":[28],"received":[29,41],"position":[30],"in":[31,40,79],"image,":[33],"while":[34],"vertical":[35,167],"causes":[37],"change":[39],"light":[42],"intensity.":[43],"These":[44],"effects":[45],"lead":[46],"to":[47,96,128,172,179,215],"grayscale":[48],"variations":[49],"same":[52],"symbol":[53,92],"across":[54],"different":[55],"frames,":[56],"making":[57],"empirical":[58],"or":[59],"trained":[60],"thresholds":[61,106],"ineffective.":[62],"To":[63],"address":[64],"this,":[65],"we":[66,121],"an":[68,123],"iterative":[69],"sequential":[70],"polynomial":[71],"fitting":[72,90],"(ISPF)":[73],"detecting":[76],"multi-level":[77],"symbols":[78,131],"4-compound":[81],"amplitude":[82],"shift":[83],"keying":[84],"(4CASK)":[85],"OCC":[86],"system.":[87],"By":[88],"iteratively":[89],"each":[91],"level,":[93],"ISPF":[94],"adapts":[95],"inherent":[98],"nonlinearity":[99],"of":[100,143,157],"LED":[101,138],"modulation":[102],"derives":[104],"time-varying":[105],"per":[107],"frame,":[108],"ensuring":[109],"fixed":[111],"transmission":[112],"rate":[113],"under":[114,202],"varying":[115],"distances":[116,168,177],"speeds.":[119],"Additionally,":[120],"design":[122],"outlier":[124],"point":[125],"identification":[126],"algorithm":[127],"filter":[129],"erroneous":[130],"caused":[132],"by":[133],"illumination":[135,204],"unevenness":[136],"instability":[139],"at":[140],"edges":[142],"fitted":[145],"curve.":[146],"Experiments":[147],"were":[148],"conducted":[149],"on":[150,190],"4CASK-OCC":[152],"with":[154],"speeds":[156],"as":[160],"40,":[161],"60,":[162],"80":[164],"cm/s,":[165],"covering":[166],"from":[169],"100":[170],"cm":[171,174],"400":[173],"up":[178],"50":[180],"cm.":[181],"Results":[182],"show":[183],"speed":[186],"has":[187],"minimal":[188],"impact":[189],"performance,":[193],"proposed":[196],"achieves":[198],"6.8":[199],"kbps":[200],"throughput":[201],"low":[203],"(70":[205],"lx).":[206],"Our":[207],"approach":[208],"requires":[209],"no":[210],"training":[211],"is":[213],"robust":[214],"channel":[216],"variations.":[217]},"counts_by_year":[{"year":2026,"cited_by_count":2}],"updated_date":"2026-08-12T21:12:35.861297","created_date":"2025-10-10T00:00:00"}