{"id":"https://openalex.org/W2114240409","doi":"https://doi.org/10.1109/jsac.1985.1146162","title":"Spacecraft Technology for Broadcasting Satellites - An Update","display_name":"Spacecraft Technology for Broadcasting Satellites - An Update","publication_year":1985,"publication_date":"1985-01-01","ids":{"openalex":"https://openalex.org/W2114240409","doi":"https://doi.org/10.1109/jsac.1985.1146162","mag":"2114240409"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.1985.1146162","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1985.1146162","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in 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/A5068849212","display_name":"Hai Cohen","orcid":null},"institutions":[{"id":"https://openalex.org/I4210099535","display_name":"Redondo Optics (United States)","ror":"https://ror.org/00wgn9w85","country_code":"US","type":"company","lineage":["https://openalex.org/I4210099535"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"H. Cohen","raw_affiliation_strings":["TRW, Inc., Redondo Beach, CA, USA","S. A. Matra, Toulouse, France#TAB#"],"affiliations":[{"raw_affiliation_string":"TRW, Inc., Redondo Beach, CA, USA","institution_ids":["https://openalex.org/I4210099535"]},{"raw_affiliation_string":"S. A. Matra, Toulouse, France#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5068849212"],"corresponding_institution_ids":["https://openalex.org/I4210099535"],"apc_list":null,"apc_paid":null,"fwci":1.6077,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.85394774,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":"1","first_page":"111","last_page":"125"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9965000152587891,"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":0.9965000152587891,"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/T12449","display_name":"Spacecraft Design and Technology","score":0.9934999942779541,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9757999777793884,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/spacecraft","display_name":"Spacecraft","score":0.7269052267074585},{"id":"https://openalex.org/keywords/multiplexer","display_name":"Multiplexer","score":0.6980155110359192},{"id":"https://openalex.org/keywords/broadcasting","display_name":"Broadcasting (networking)","score":0.6616003513336182},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.605217695236206},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5836820006370544},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.536920428276062},{"id":"https://openalex.org/keywords/satellite-broadcasting","display_name":"Satellite broadcasting","score":0.5040653944015503},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5024869441986084},{"id":"https://openalex.org/keywords/power-conditioner","display_name":"Power conditioner","score":0.4568217396736145},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.4509250819683075},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4226114749908447},{"id":"https://openalex.org/keywords/cubesat","display_name":"CubeSat","score":0.41006308794021606},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.2919800281524658},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.2766735553741455},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.20860576629638672},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.0975470244884491}],"concepts":[{"id":"https://openalex.org/C29829512","wikidata":"https://www.wikidata.org/wiki/Q40218","display_name":"Spacecraft","level":2,"score":0.7269052267074585},{"id":"https://openalex.org/C70970002","wikidata":"https://www.wikidata.org/wiki/Q189434","display_name":"Multiplexer","level":3,"score":0.6980155110359192},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.6616003513336182},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.605217695236206},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5836820006370544},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.536920428276062},{"id":"https://openalex.org/C2986254709","wikidata":"https://www.wikidata.org/wiki/Q209588","display_name":"Satellite broadcasting","level":3,"score":0.5040653944015503},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5024869441986084},{"id":"https://openalex.org/C2780765089","wikidata":"https://www.wikidata.org/wiki/Q1326101","display_name":"Power conditioner","level":4,"score":0.4568217396736145},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.4509250819683075},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4226114749908447},{"id":"https://openalex.org/C2775936636","wikidata":"https://www.wikidata.org/wiki/Q1142930","display_name":"CubeSat","level":3,"score":0.41006308794021606},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.2919800281524658},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.2766735553741455},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.20860576629638672},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0975470244884491},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C108755667","wikidata":"https://www.wikidata.org/wiki/Q1930258","display_name":"AC power","level":3,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.1985.1146162","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1985.1146162","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6499999761581421}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W179873903","https://openalex.org/W258190102","https://openalex.org/W1632243454","https://openalex.org/W1790549690","https://openalex.org/W1977494787","https://openalex.org/W2027942826","https://openalex.org/W2034630354","https://openalex.org/W2045047710","https://openalex.org/W2046540978","https://openalex.org/W2916581154","https://openalex.org/W2998083178","https://openalex.org/W3041134877","https://openalex.org/W3155969489","https://openalex.org/W4285719527","https://openalex.org/W6607418426","https://openalex.org/W6678536755","https://openalex.org/W6683400182","https://openalex.org/W6780484781"],"related_works":["https://openalex.org/W1671106004","https://openalex.org/W623123055","https://openalex.org/W416660270","https://openalex.org/W2020374352","https://openalex.org/W2318089893","https://openalex.org/W1917454551","https://openalex.org/W2594208605","https://openalex.org/W617654698","https://openalex.org/W2592743063","https://openalex.org/W1979428939"],"abstract_inverted_index":{"This":[0],"paper":[1],"surveys":[2],"the":[3,19,25,29,62],"special":[4],"technologies":[5,33],"for":[6,47,75],"presently":[7],"conceived":[8],"direct":[9],"broadcast":[10],"satellite":[11],"(DBS)":[12],"projects":[13],"using":[14],"high":[15],"RF":[16],"power":[17,44],"in":[18,28],"band":[20],"12.2-12.7":[21],"GHz,":[22],"allocated":[23],"to":[24],"broadcasting-satellite":[26],"service":[27],"western":[30],"hemisphere.":[31],"The":[32],"include":[34],"launch":[35],"vehicles,":[36],"shapedbeam":[37],"antennas,":[38],"traveling":[39],"wave":[40],"tubes":[41],"(TWT's),":[42],"electronic":[43],"conditioners":[45],"(EPC's)":[46],"TWT's,":[48],"lightweight":[49],"high-power":[50],"solar":[51],"arrays,":[52],"heat-pipe":[53],"radiators,":[54],"and":[55,66,71],"output":[56],"multiplexers.":[57],"It":[58],"is":[59,64,73],"concluded":[60],"that":[61],"technology":[63],"available,":[65],"only":[67],"detailed":[68],"engineering":[69],"development":[70],"testing":[72],"required":[74],"construction.":[76]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}