{"id":"https://openalex.org/W2019028127","doi":"https://doi.org/10.2514/3.20599","title":"Continuous global N-tuple coverage with (2N + 2) satellites","display_name":"Continuous global N-tuple coverage with (2N + 2) satellites","publication_year":1991,"publication_date":"1991-01-01","ids":{"openalex":"https://openalex.org/W2019028127","doi":"https://doi.org/10.2514/3.20599","mag":"2019028127"},"language":"en","primary_location":{"id":"doi:10.2514/3.20599","doi":"https://doi.org/10.2514/3.20599","is_oa":false,"landing_page_url":"https://doi.org/10.2514/3.20599","pdf_url":null,"source":{"id":"https://openalex.org/S25157213","display_name":"Journal of Guidance Control and Dynamics","issn_l":"0731-5090","issn":["0731-5090","1533-3884"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Guidance, Control, and Dynamics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5005415512","display_name":"John Draim","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"John E. Draim","raw_affiliation_strings":["Space Applications Corporation, Vienna, Virginia 22182"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Space Applications Corporation, Vienna, Virginia 22182","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5005415512"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.4551,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.82732139,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"14","issue":"1","first_page":"17","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11082","display_name":"Spacecraft Dynamics and Control","score":0.9053000211715698,"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/T11082","display_name":"Spacecraft Dynamics and Control","score":0.9053000211715698,"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/T12042","display_name":"Satellite Communication Systems","score":0.02539999969303608,"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/T11701","display_name":"Space Satellite Systems and Control","score":0.025100000202655792,"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/satellite-constellations","display_name":"satellite constellations","score":0.9950000047683716},{"id":"https://openalex.org/keywords/line-of-sight-coverage","display_name":"line-of-sight coverage","score":0.9290000200271606},{"id":"https://openalex.org/keywords/redundancy","display_name":"redundancy","score":0.6129999756813049}],"concepts":[{"id":"https://openalex.org/C70352696","wikidata":"https://www.wikidata.org/wiki/Q8928","display_name":"Constellation","level":2,"score":0.9160909056663513},{"id":"https://openalex.org/C152124472","wikidata":"https://www.wikidata.org/wiki/Q1204361","display_name":"Redundancy (engineering)","level":2,"score":0.7342782616615295},{"id":"https://openalex.org/C43711488","wikidata":"https://www.wikidata.org/wiki/Q7534783","display_name":"Skew","level":2,"score":0.6460673213005066},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.5836235880851746},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.581665575504303},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5025725364685059},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40238821506500244},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3802192211151123},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.32164204120635986},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2923993468284607},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2329421043395996},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.22818976640701294},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21720808744430542},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.18045449256896973},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16449573636054993},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0982847809791565},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.07190287113189697},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2514/3.20599","doi":"https://doi.org/10.2514/3.20599","is_oa":false,"landing_page_url":"https://doi.org/10.2514/3.20599","pdf_url":null,"source":{"id":"https://openalex.org/S25157213","display_name":"Journal of Guidance Control and Dynamics","issn_l":"0731-5090","issn":["0731-5090","1533-3884"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Guidance, Control, and Dynamics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":2,"referenced_works":["https://openalex.org/W1963778823","https://openalex.org/W2001671172"],"related_works":["https://openalex.org/W1963778823","https://openalex.org/W2059029094","https://openalex.org/W85233229","https://openalex.org/W2080806668","https://openalex.org/W1989886384","https://openalex.org/W2315724997","https://openalex.org/W2057652130","https://openalex.org/W2745092705","https://openalex.org/W7043092960","https://openalex.org/W1489579829"],"abstract_inverted_index":{"Abstract":[0],":":[1],"This":[2],"report":[3],"is":[4,52],"annotated":[5],"briefing":[6],"covering":[7],"research":[8],"on":[9],"arrays":[10],"or":[11,66],"constellations":[12,59],"of":[13,20,27,42,57,76],"satellites":[14],"giving":[15],"n-tuple":[16],"continuous,":[17],"global-line-of-sight":[18],"coverage":[19],"a":[21,53],"planet":[22],"using":[23],"the":[24,46,58],"minimum":[25],"number":[26],"satellites.":[28],"A":[29],"generalized":[30],"theory":[31],"was":[32],"developed":[33],"which":[34,51],"appears":[35],"to":[36],"fit":[37],"cases":[38],"for":[39,45,48],"any":[40],"level":[41],"redundancy.":[43,77],"Except":[44],"case":[47],"single":[49],"coverage,":[50],"tetrahedral":[54],"array,":[55],"all":[56],"can":[60],"be":[61],"characterized":[62],"as":[63],"either":[64],"skew-":[65],"congruent-prismoidal":[67],"arrays.":[68],"The":[69],"constellation":[70],"altitudes":[71],"increase":[72],"with":[73],"increasing":[74],"levels":[75],"Keywords:":[78],"Satellites;":[79],"Constellations;":[80],"Coverage;":[81],"Continuous":[82],"coverage;":[83,85,88],"Global":[84],"Minimum":[86],"satellite":[87],"Arrays;":[89],"Networks.":[90]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}