{"id":"https://openalex.org/W2545539977","doi":"https://doi.org/10.1109/istt.2014.7238182","title":"Analysis of GPS link ionospheric scintillation during solar maximum at UTeM, Malaysia","display_name":"Analysis of GPS link ionospheric scintillation during solar maximum at UTeM, Malaysia","publication_year":2014,"publication_date":"2014-11-01","ids":{"openalex":"https://openalex.org/W2545539977","doi":"https://doi.org/10.1109/istt.2014.7238182","mag":"2545539977"},"language":"en","primary_location":{"id":"doi:10.1109/istt.2014.7238182","is_oa":false,"landing_page_url":"https://doi.org/10.1109/istt.2014.7238182","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT)","raw_type":"proceedings-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/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":true,"raw_author_name":"E. F. Aon","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia","Faculty of Engineering, Tripoli University, Tripoli, Libya"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]},{"raw_affiliation_string":"Faculty of Engineering, Tripoli University, Tripoli, Libya","institution_ids":["https://openalex.org/I23906160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103369386","display_name":"A. R. 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":"A. R. Othman","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]},{"author_position":"middle","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":"Y. H. Ho","raw_affiliation_strings":["Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Electronic and Computer Engineering, Universiti Teknikal Malaysia Melaka, Durian Tunggal, Melaka, Malaysia","institution_ids":["https://openalex.org/I32589535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027322568","display_name":"Redhwan Q. Shaddad","orcid":"https://orcid.org/0000-0003-3215-2212"},"institutions":[{"id":"https://openalex.org/I36197038","display_name":"Taiz University","ror":"https://ror.org/03jwcxq96","country_code":"YE","type":"education","lineage":["https://openalex.org/I36197038"]},{"id":"https://openalex.org/I4576418","display_name":"University of Technology Malaysia","ror":"https://ror.org/026w31v75","country_code":"MY","type":"education","lineage":["https://openalex.org/I4576418"]}],"countries":["MY","YE"],"is_corresponding":false,"raw_author_name":"R. Q. Shaddad","raw_affiliation_strings":["Faculty of Engineering and lnformation Technology, Taiz University, Taiz, Yemen","Lightwave Communications Research Group, Universiti Teknologi Malaysia (UTM), Johor, Malaysia"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering and lnformation Technology, Taiz University, Taiz, Yemen","institution_ids":["https://openalex.org/I36197038"]},{"raw_affiliation_string":"Lightwave Communications Research Group, Universiti Teknologi Malaysia (UTM), Johor, Malaysia","institution_ids":["https://openalex.org/I4576418"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5050477212"],"corresponding_institution_ids":["https://openalex.org/I23906160","https://openalex.org/I32589535"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.14926764,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"84","last_page":"87"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998000264167786,"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/T10655","display_name":"GNSS positioning and interference","score":0.9995999932289124,"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9987000226974487,"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/global-positioning-system","display_name":"Global Positioning System","score":0.859973669052124},{"id":"https://openalex.org/keywords/interplanetary-scintillation","display_name":"Interplanetary scintillation","score":0.796819806098938},{"id":"https://openalex.org/keywords/scintillation","display_name":"Scintillation","score":0.7218856811523438},{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.7119745016098022},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5866305828094482},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.5783979296684265},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.424783855676651},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4108084440231323},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3046983480453491},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.27793020009994507},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2453865110874176},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.21736913919448853},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.15201982855796814},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14472514390945435},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.09941992163658142},{"id":"https://openalex.org/keywords/solar-wind","display_name":"Solar wind","score":0.07642719149589539},{"id":"https://openalex.org/keywords/coronal-mass-ejection","display_name":"Coronal mass ejection","score":0.07089236378669739},{"id":"https://openalex.org/keywords/plasma","display_name":"Plasma","score":0.06367617845535278}],"concepts":[{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.859973669052124},{"id":"https://openalex.org/C10880902","wikidata":"https://www.wikidata.org/wiki/Q6056358","display_name":"Interplanetary scintillation","level":5,"score":0.796819806098938},{"id":"https://openalex.org/C102637530","wikidata":"https://www.wikidata.org/wiki/Q3078889","display_name":"Scintillation","level":3,"score":0.7218856811523438},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.7119745016098022},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5866305828094482},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5783979296684265},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.424783855676651},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4108084440231323},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3046983480453491},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.27793020009994507},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2453865110874176},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.21736913919448853},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.15201982855796814},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14472514390945435},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.09941992163658142},{"id":"https://openalex.org/C108411613","wikidata":"https://www.wikidata.org/wiki/Q79833","display_name":"Solar wind","level":3,"score":0.07642719149589539},{"id":"https://openalex.org/C72886185","wikidata":"https://www.wikidata.org/wiki/Q129890","display_name":"Coronal mass ejection","level":4,"score":0.07089236378669739},{"id":"https://openalex.org/C82706917","wikidata":"https://www.wikidata.org/wiki/Q10251","display_name":"Plasma","level":2,"score":0.06367617845535278},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0},{"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:10.1109/istt.2014.7238182","is_oa":false,"landing_page_url":"https://doi.org/10.1109/istt.2014.7238182","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 2nd International Symposium on Telecommunication Technologies (ISTT)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6200000047683716,"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":6,"referenced_works":["https://openalex.org/W1547404934","https://openalex.org/W1871495990","https://openalex.org/W1939087870","https://openalex.org/W2041084238","https://openalex.org/W2082907007","https://openalex.org/W2139377537"],"related_works":["https://openalex.org/W2545539977","https://openalex.org/W1971729712","https://openalex.org/W2005447460","https://openalex.org/W2536398560","https://openalex.org/W2905137685","https://openalex.org/W2769818651","https://openalex.org/W2906832875","https://openalex.org/W2945134715","https://openalex.org/W1994998609","https://openalex.org/W3094241400"],"abstract_inverted_index":{"The":[0,18,43,134,163],"global":[1,44],"positioning":[2],"system":[3,47],"(GPS)":[4],"is":[5,190],"one":[6],"of":[7,78,117,151],"the":[8,28,34,76,88,95,139,149,152,168,175,208],"most":[9],"important":[10],"and":[11,40,51,106,167],"useful":[12],"technologies":[13],"that":[14,193],"has":[15,59,120],"been":[16,60,121],"developed.":[17],"propagated":[19],"wireless":[20],"signals":[21,36],"along":[22],"GPS":[23,35,89,140,153,178,209],"channel":[24],"are":[25,92,172],"affected":[26],"by":[27],"ionospheric":[29,49,80,90,118,155,164],"electron":[30,53],"density":[31],"irregularities,":[32],"so":[33,148],"may":[37],"experience":[38],"amplitude":[39],"phase":[41],"fluctuations.":[42],"navigation":[45],"satellite":[46],"(GNSS)":[48],"scintillation":[50,81,119,156],"total":[52],"content":[54],"(TEC)":[55],"monitor":[56],"(GISTM)":[57],"receiver":[58],"installed":[61],"at":[62,207],"UTeM,":[63],"Malaysia":[64],"(2.3139":[65],"<sup":[66,71],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[67,72,101,110],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">\u00b0</sup>":[68,73],"N,":[69],"102.3183":[70],"E)":[74],"for":[75,82,94,128,160,183],"purpose":[77],"monitoring":[79],"many":[83],"frequencies.":[84],"In":[85],"this":[86,145,161],"paper,":[87],"scintillations":[91],"concerned":[93],"dual":[96],"frequency":[97],"L1":[98],"(f":[99,108],"<sub":[100,109],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">L1</sub>":[102],"=3D":[103,112],"1.57542":[104],"GHz),":[105],"L2C":[107],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">L2</sub>":[111],"1.2276":[113],"GHz).":[114],"Data":[115],"collection":[116],"done":[122],"during":[123],"solar":[124,135],"maximum":[125],"cycle":[126],"2013/2014":[127],"six":[129],"months":[130],"October":[131],"2013-March":[132],"2014.":[133],"activity":[136,146],"effects":[137],"on":[138],"link":[141,154],"performance":[142],"especially":[143],"when":[144],"increases,":[147],"analysis":[150],"must":[157],"be":[158,198],"considered":[159],"region.":[162],"amplitude/phase":[165],"scintillation,":[166],"carrier-to-noise":[169],"(C/No)":[170],"ratio":[171,189,196],"reported":[173],"in":[174],"proposed":[176],"experimental":[177],"model.":[179],"As":[180],"a":[181],"result":[182],"Malaysia,":[184],"typical":[185],"threshold":[186],"received":[187],"C/No":[188,195],"38":[191,201],"dB-Hz,":[192],"means":[194],"should":[197],"greater":[199],"than":[200],"dB-Hz":[202],"to":[203],"receive":[204],"good":[205],"signal":[206],"reciever.":[210]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
