{"id":"https://openalex.org/W2030209839","doi":"https://doi.org/10.1109/mcom.1987.1093455","title":"Encrypted satellite-Delivered programming: The marketplace in action","display_name":"Encrypted satellite-Delivered programming: The marketplace in action","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W2030209839","doi":"https://doi.org/10.1109/mcom.1987.1093455","mag":"2030209839"},"language":"en","primary_location":{"id":"doi:10.1109/mcom.1987.1093455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.1987.1093455","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"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 Communications Magazine","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/A5089680659","display_name":"Dean Burch","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"D. Burch","raw_affiliation_strings":["Pierson, Ball & Dowd, Washington, DC, USA","Pierson, Ball & Dowd, Washington, DC, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Pierson, Ball & Dowd, Washington, DC, USA","institution_ids":[]},{"raw_affiliation_string":"Pierson, Ball & Dowd, Washington, DC, USA#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5089680659"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.21044806,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"25","issue":"1","first_page":"44","last_page":"46"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9912999868392944,"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":0.9912999868392944,"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":0.8121989369392395},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.5798969864845276},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.5332999229431152},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5276414752006531},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.46501973271369934},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4644952118396759},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.32579028606414795},{"id":"https://openalex.org/keywords/astronomy","display_name":"Astronomy","score":0.07570335268974304}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8121989369392395},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.5798969864845276},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.5332999229431152},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5276414752006531},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.46501973271369934},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4644952118396759},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.32579028606414795},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.07570335268974304},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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/mcom.1987.1093455","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mcom.1987.1093455","pdf_url":null,"source":{"id":"https://openalex.org/S158797327","display_name":"IEEE Communications Magazine","issn_l":"0163-6804","issn":["0163-6804","1558-1896"],"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 Communications Magazine","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":0,"referenced_works":[],"related_works":["https://openalex.org/W2100090372","https://openalex.org/W4361205702","https://openalex.org/W2028190576","https://openalex.org/W1836774208","https://openalex.org/W3034760060","https://openalex.org/W4206958678","https://openalex.org/W2373343648","https://openalex.org/W177220620","https://openalex.org/W4241763859","https://openalex.org/W2350659615"],"abstract_inverted_index":null,"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}