{"id":"https://openalex.org/W4241692106","doi":"https://doi.org/10.1504/ijict.2017.10003890","title":"Study of GPS scintillation during solar maximum at Malaysia","display_name":"Study of GPS scintillation during solar maximum at Malaysia","publication_year":2017,"publication_date":"2017-01-01","ids":{"openalex":"https://openalex.org/W4241692106","doi":"https://doi.org/10.1504/ijict.2017.10003890"},"language":"en","primary_location":{"id":"doi:10.1504/ijict.2017.10003890","is_oa":false,"landing_page_url":"https://doi.org/10.1504/ijict.2017.10003890","pdf_url":null,"source":{"id":"https://openalex.org/S168803321","display_name":"International Journal of Information and Communication Technology","issn_l":"1466-6642","issn":["1466-6642","1741-8070"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310317825","host_organization_name":"Inderscience Publishers","host_organization_lineage":["https://openalex.org/P4310317825"],"host_organization_lineage_names":["Inderscience Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Information and Communication Technology","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/A5013468639","display_name":"Y. H. Ho","orcid":"https://orcid.org/0000-0002-9258-1513"},"institutions":[{"id":"https://openalex.org/I32589535","display_name":"Technical University of Malaysia Malacca","ror":"https://ror.org/01xb6rs26","country_code":"MY","type":"education","lineage":["https://openalex.org/I32589535"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Yih Hwa Ho","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050477212","display_name":"E. F. Aon","orcid":null},"institutions":[{"id":"https://openalex.org/I23906160","display_name":"University of Tripoli","ror":"https://ror.org/00taa2s29","country_code":"LY","type":"education","lineage":["https://openalex.org/I23906160"]},{"id":"https://openalex.org/I32589535","display_name":"Technical University of Malaysia Malacca","ror":"https://ror.org/01xb6rs26","country_code":"MY","type":"education","lineage":["https://openalex.org/I32589535"]}],"countries":["LY","MY"],"is_corresponding":false,"raw_author_name":"Emad Fathi Aon","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia; Faculty of Engineering, Tripoli University, Tripoli, Libya","Faculty of Engineering, Tripoli University, Tripoli, Libya","Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia; Faculty of Engineering, Tripoli University, Tripoli, Libya","institution_ids":["https://openalex.org/I32589535"]},{"raw_affiliation_string":"Faculty of Engineering, Tripoli University, Tripoli, Libya","institution_ids":["https://openalex.org/I23906160"]},{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]},{"author_position":"last","author":{"id":null,"display_name":"Abdul Rani Othman","orcid":null},"institutions":[{"id":"https://openalex.org/I32589535","display_name":"Technical University of Malaysia Malacca","ror":"https://ror.org/01xb6rs26","country_code":"MY","type":"education","lineage":["https://openalex.org/I32589535"]}],"countries":["MY"],"is_corresponding":false,"raw_author_name":"Abdul Rani Othman","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]}],"institutions":[],"countries_distinct_count":2,"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":0.82442107,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"3","first_page":"299","last_page":"299"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9987999796867371,"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/T10655","display_name":"GNSS positioning and interference","score":0.9987999796867371,"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/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9771999716758728,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/interplanetary-scintillation","display_name":"Interplanetary scintillation","score":0.9749020338058472},{"id":"https://openalex.org/keywords/scintillation","display_name":"Scintillation","score":0.8957675695419312},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.8443108797073364},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.7798898220062256},{"id":"https://openalex.org/keywords/tec","display_name":"TEC","score":0.7361389398574829},{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.7190663814544678},{"id":"https://openalex.org/keywords/precise-point-positioning","display_name":"Precise Point Positioning","score":0.6446272134780884},{"id":"https://openalex.org/keywords/total-electron-content","display_name":"Total electron content","score":0.6400755643844604},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5509622693061829},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5039591193199158},{"id":"https://openalex.org/keywords/solar-maximum","display_name":"Solar maximum","score":0.49636632204055786},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.48605993390083313},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.4410962164402008},{"id":"https://openalex.org/keywords/solar-cycle","display_name":"Solar cycle","score":0.4351784586906433},{"id":"https://openalex.org/keywords/gps-signals","display_name":"GPS signals","score":0.43195459246635437},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3458855152130127},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.32074713706970215},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2969741225242615},{"id":"https://openalex.org/keywords/assisted-gps","display_name":"Assisted GPS","score":0.19218096137046814},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.19128796458244324},{"id":"https://openalex.org/keywords/solar-wind","display_name":"Solar wind","score":0.13618338108062744},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1296006441116333},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.1250828206539154},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12212726473808289},{"id":"https://openalex.org/keywords/coronal-mass-ejection","display_name":"Coronal mass ejection","score":0.08181104063987732},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.07627755403518677},{"id":"https://openalex.org/keywords/plasma","display_name":"Plasma","score":0.06763020157814026},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.05284056067466736}],"concepts":[{"id":"https://openalex.org/C10880902","wikidata":"https://www.wikidata.org/wiki/Q6056358","display_name":"Interplanetary scintillation","level":5,"score":0.9749020338058472},{"id":"https://openalex.org/C102637530","wikidata":"https://www.wikidata.org/wiki/Q3078889","display_name":"Scintillation","level":3,"score":0.8957675695419312},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.8443108797073364},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.7798898220062256},{"id":"https://openalex.org/C176379880","wikidata":"https://www.wikidata.org/wiki/Q18031939","display_name":"TEC","level":3,"score":0.7361389398574829},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.7190663814544678},{"id":"https://openalex.org/C202511199","wikidata":"https://www.wikidata.org/wiki/Q7239503","display_name":"Precise Point Positioning","level":4,"score":0.6446272134780884},{"id":"https://openalex.org/C165391973","wikidata":"https://www.wikidata.org/wiki/Q844304","display_name":"Total electron content","level":4,"score":0.6400755643844604},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5509622693061829},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5039591193199158},{"id":"https://openalex.org/C52083857","wikidata":"https://www.wikidata.org/wiki/Q1445154","display_name":"Solar maximum","level":5,"score":0.49636632204055786},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.48605993390083313},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.4410962164402008},{"id":"https://openalex.org/C43867161","wikidata":"https://www.wikidata.org/wiki/Q49385","display_name":"Solar cycle","level":4,"score":0.4351784586906433},{"id":"https://openalex.org/C12957241","wikidata":"https://www.wikidata.org/wiki/Q15903792","display_name":"GPS signals","level":4,"score":0.43195459246635437},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3458855152130127},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.32074713706970215},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2969741225242615},{"id":"https://openalex.org/C198613851","wikidata":"https://www.wikidata.org/wiki/Q432394","display_name":"Assisted GPS","level":3,"score":0.19218096137046814},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.19128796458244324},{"id":"https://openalex.org/C108411613","wikidata":"https://www.wikidata.org/wiki/Q79833","display_name":"Solar wind","level":3,"score":0.13618338108062744},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1296006441116333},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.1250828206539154},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12212726473808289},{"id":"https://openalex.org/C72886185","wikidata":"https://www.wikidata.org/wiki/Q129890","display_name":"Coronal mass ejection","level":4,"score":0.08181104063987732},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.07627755403518677},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.06763020157814026},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.05284056067466736},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1504/ijict.2017.10003890","is_oa":false,"landing_page_url":"https://doi.org/10.1504/ijict.2017.10003890","pdf_url":null,"source":{"id":"https://openalex.org/S168803321","display_name":"International Journal of Information and Communication Technology","issn_l":"1466-6642","issn":["1466-6642","1741-8070"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310317825","host_organization_name":"Inderscience Publishers","host_organization_lineage":["https://openalex.org/P4310317825"],"host_organization_lineage_names":["Inderscience Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Information and Communication Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2945134715","https://openalex.org/W2991385226","https://openalex.org/W2999365506","https://openalex.org/W4311325858","https://openalex.org/W4387956832","https://openalex.org/W4327729842","https://openalex.org/W3016211350","https://openalex.org/W2737387262","https://openalex.org/W2031495446","https://openalex.org/W2927102437"],"abstract_inverted_index":{"The":[0,64,80,117],"global":[1],"navigation":[2],"satellite":[3],"system":[4,137],"(GNSS)":[5],"ionospheric":[6,31,52,86,98,118],"scintillation":[7,34,73,90,120],"and":[8,88,111,142],"total":[9,81],"electron":[10],"content":[11],"(TEC)":[12],"monitor":[13],"(GISTM)":[14],"receiver":[15],"has":[16,36],"been":[17,37],"installed":[18],"at":[19],"UTeM,":[20],"Malaysia":[21,61],"(2.3139":[22],"\u00b0N,":[23],"102.3183":[24],"\u00b0E)":[25],"for":[26,44,102],"the":[27,51,57,72,76,85,89,96,103,134],"purpose":[28],"of":[29,121,140],"monitoring":[30],"scintillation.":[32],"Ionospheric":[33],"data":[35],"collected":[38],"during":[39,75],"solar":[40,77],"maximum":[41,78],"cycle":[42],"2013-2014":[43],"six":[45],"months.":[46],"Solar":[47],"activities":[48],"significantly":[49],"impact":[50],"GPS":[53,65,97,122,135,141],"scintillation,":[54],"especially":[55],"in":[56,84],"equatorial":[58],"region":[59],"where":[60],"is":[62,67,124,130],"located.":[63],"link":[66],"analysed":[68],"to":[69,132],"investigate":[70],"how":[71],"increases":[74],"cycle.":[79],"electrons":[82],"increased":[83],"layer":[87],"values":[91],"gradually.":[92],"In":[93],"this":[94],"paper,":[95],"scintillations":[99],"are":[100],"concerned":[101],"dual":[104],"frequency":[105],"L1":[106],"(\u0192L1":[107],"=":[108,114],"1.57542":[109],"GHz),":[110],"L2C":[112],"(\u0192L2":[113],"1.2276":[115],"GHz).":[116],"amplitude/phase":[119],"satellites":[123],"reported.":[125],"Finally":[126],"a":[127],"new":[128],"algorithm":[129],"suggested":[131],"enhance":[133],"positioning":[136,145],"with":[138],"availability":[139],"precise":[143],"point":[144],"(PPP)":[146],"approach.":[147]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
