{"id":"https://openalex.org/W1993848940","doi":"https://doi.org/10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","title":"Service availability of LEO/MEO mobile satellite systems","display_name":"Service availability of LEO/MEO mobile satellite systems","publication_year":1999,"publication_date":"1999-07-01","ids":{"openalex":"https://openalex.org/W1993848940","doi":"https://doi.org/10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","mag":"1993848940"},"language":"en","primary_location":{"id":"doi:10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","pdf_url":null,"source":{"id":"https://openalex.org/S15314142","display_name":"International Journal of Satellite Communications","issn_l":"0737-2884","issn":["0737-2884","1099-1247"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Satellite Communications","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/A5088160212","display_name":"Maria Gkizeli","orcid":"https://orcid.org/0000-0003-2011-0533"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"M. Gkizeli","raw_affiliation_strings":["Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K"],"affiliations":[{"raw_affiliation_string":"Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110555164","display_name":"P. Taaghol","orcid":null},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"P. Taaghol","raw_affiliation_strings":["Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K"],"affiliations":[{"raw_affiliation_string":"Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K","institution_ids":["https://openalex.org/I28290843"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017242814","display_name":"B.G. Evans","orcid":"https://orcid.org/0000-0001-5440-5116"},"institutions":[{"id":"https://openalex.org/I28290843","display_name":"University of Surrey","ror":"https://ror.org/00ks66431","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"B. G. Evans","raw_affiliation_strings":["Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K"],"affiliations":[{"raw_affiliation_string":"Mobile Communications Research Group, Centre for Communication Systems Research, University of Surrey, Guildford, Surrey GU2 5XH, U.K","institution_ids":["https://openalex.org/I28290843"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5088160212"],"corresponding_institution_ids":["https://openalex.org/I28290843"],"apc_list":null,"apc_paid":null,"fwci":7.1783,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.96041768,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":"4","first_page":"291","last_page":"302"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":1.0,"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/T12042","display_name":"Satellite Communication Systems","score":1.0,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9818999767303467,"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/T12203","display_name":"Mobile Agent-Based Network Management","score":0.9811999797821045,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/constellation","display_name":"Constellation","score":0.6841504573822021},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.6538339257240295},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6464547514915466},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6449487209320068},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.6024848818778992},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.5705311298370361},{"id":"https://openalex.org/keywords/satellite-system","display_name":"Satellite system","score":0.5180225968360901},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.46667397022247314},{"id":"https://openalex.org/keywords/satellite-constellation","display_name":"Satellite constellation","score":0.4553010165691376},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4443766474723816},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3411247432231903},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16147640347480774},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.11965247988700867},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.08440154790878296},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.059641361236572266}],"concepts":[{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.6841504573822021},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.6538339257240295},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6464547514915466},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6449487209320068},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.6024848818778992},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.5705311298370361},{"id":"https://openalex.org/C2778027091","wikidata":"https://www.wikidata.org/wiki/Q25346003","display_name":"Satellite system","level":4,"score":0.5180225968360901},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.46667397022247314},{"id":"https://openalex.org/C2779784338","wikidata":"https://www.wikidata.org/wiki/Q967145","display_name":"Satellite constellation","level":3,"score":0.4553010165691376},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4443766474723816},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3411247432231903},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16147640347480774},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.11965247988700867},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.08440154790878296},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.059641361236572266},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1099-1247(199907/08)17:4<291::aid-sat622>3.0.co;2-3","pdf_url":null,"source":{"id":"https://openalex.org/S15314142","display_name":"International Journal of Satellite Communications","issn_l":"0737-2884","issn":["0737-2884","1099-1247"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Satellite Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1971743457","https://openalex.org/W1991380977","https://openalex.org/W2027457897","https://openalex.org/W2096627414","https://openalex.org/W2108787612","https://openalex.org/W2161317063","https://openalex.org/W6674458122"],"related_works":["https://openalex.org/W2385787340","https://openalex.org/W171734839","https://openalex.org/W4224313018","https://openalex.org/W2394459062","https://openalex.org/W2392670398","https://openalex.org/W4221033466","https://openalex.org/W2355913771","https://openalex.org/W4225291832","https://openalex.org/W3209202847","https://openalex.org/W1630713849"],"abstract_inverted_index":{"In":[0,57],"this":[1],"paper":[2],"the":[3,35,41,50,55,61,69,75],"service":[4,72],"availability":[5],"predictions":[6],"of":[7,21,37,43,63,71,74],"three":[8],"proposed":[9],"1st":[10],"generation":[11],"mobile":[12],"satellite":[13,79],"systems":[14],"(MSS)":[15],"are":[16],"presented":[17],"in":[18,33],"a":[19],"range":[20],"operational":[22],"environments":[23],"between":[24],"0\u00b0":[25],"and":[26,53,66],"70\u00b0":[27],"latitude.":[28],"The":[29],"most":[30],"important":[31],"factor":[32],"determining":[34],"performance":[36],"an":[38],"MSS":[39],"is":[40],"probability":[42,62],"signal":[44],"shadowing":[45],"which":[46],"depends":[47],"both":[48],"on":[49,54],"user":[51],"environment":[52],"constellation.":[56],"order":[58],"to":[59,67],"reduce":[60],"being":[64],"shadowed":[65],"enhance":[68],"quality":[70],"two":[73],"considered":[76],"constellations":[77],"exploit":[78],"diversity.":[80],"Copyright":[81],"\u00a9":[82],"1999":[83],"John":[84],"Wiley":[85],"&":[86],"Sons,":[87],"Ltd.":[88]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
