{"id":"https://openalex.org/W2026535680","doi":"https://doi.org/10.1109/tcom.1981.1095032","title":"Quaternary Transmission Over Satellite Channels with Cascaded Nonlinear Elements and Adjacent Channel Interference","display_name":"Quaternary Transmission Over Satellite Channels with Cascaded Nonlinear Elements and Adjacent Channel Interference","publication_year":1981,"publication_date":"1981-05-01","ids":{"openalex":"https://openalex.org/W2026535680","doi":"https://doi.org/10.1109/tcom.1981.1095032","mag":"2026535680"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1981.1095032","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1981.1095032","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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 Transactions on 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/A5045680411","display_name":"R. J. F. Fang","orcid":"https://orcid.org/0000-0002-6895-7429"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"R. Fang","raw_affiliation_strings":["COMSAT Laboratories, Clarksburg, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"COMSAT Laboratories, Clarksburg, MD, USA","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5045680411"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.1663,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.93284665,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"5","first_page":"567","last_page":"581"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":0.9980000257492065,"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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9972000122070312,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9966999888420105,"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/phase-shift-keying","display_name":"Phase-shift keying","score":0.7863162755966187},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.6098838448524475},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5828052759170532},{"id":"https://openalex.org/keywords/transponder","display_name":"Transponder (aeronautics)","score":0.5202652215957642},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.514763593673706},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5088160634040833},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48609471321105957},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.43804416060447693},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4356016218662262},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.42929500341415405},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.40453916788101196},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.3717024028301239},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3344244956970215},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.303973913192749}],"concepts":[{"id":"https://openalex.org/C186378180","wikidata":"https://www.wikidata.org/wiki/Q4874866","display_name":"Phase-shift keying","level":4,"score":0.7863162755966187},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.6098838448524475},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5828052759170532},{"id":"https://openalex.org/C117920542","wikidata":"https://www.wikidata.org/wiki/Q1332920","display_name":"Transponder (aeronautics)","level":2,"score":0.5202652215957642},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.514763593673706},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5088160634040833},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48609471321105957},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.43804416060447693},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4356016218662262},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.42929500341415405},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.40453916788101196},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.3717024028301239},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3344244956970215},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.303973913192749},{"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:10.1109/tcom.1981.1095032","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1981.1095032","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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 Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8899999856948853,"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":9,"referenced_works":["https://openalex.org/W1977540651","https://openalex.org/W2000083893","https://openalex.org/W2314370669","https://openalex.org/W3004196836","https://openalex.org/W3127165508","https://openalex.org/W3152595058","https://openalex.org/W6773706428","https://openalex.org/W6789890227","https://openalex.org/W6793734622"],"related_works":["https://openalex.org/W755883872","https://openalex.org/W2367823420","https://openalex.org/W577207016","https://openalex.org/W2358418481","https://openalex.org/W2162575230","https://openalex.org/W2319762345","https://openalex.org/W2353591786","https://openalex.org/W2785337709","https://openalex.org/W2058300361","https://openalex.org/W1653132963"],"abstract_inverted_index":{"The":[0,66],"performance":[1,67],"of":[2,68,74,102,115,140,163,172],"coherent":[3],"QPSK,":[4,6],"offset":[5],"and":[7,27,35,63,120,126,156],"MSK":[8,155],"modulation":[9,70],"systems":[10],"is":[11,136],"investigated":[12],"via":[13],"computer":[14],"simulation":[15],"for":[16,94,151],"TDMA":[17],"transmission":[18],"over":[19,83],"satellite":[20,39],"channels":[21],"with":[22],"cascaded":[23],"nonlinear":[24],"elements,":[25],"up-":[26],"downlink":[28],"fades,":[29],"intersymbol":[30],"interference,":[31,34,134],"adjacent":[32,132,173],"channel":[33,133,174],"thermal":[36,84],"noise.":[37],"Three":[38],"transponder":[40,107],"concepts":[41,98],"are":[42,175],"considered:":[43],"TWTA":[44,56],"transponders":[45,57],"nominally":[46,58],"operated":[47,59],"at":[48,60],"their":[49],"saturation":[50],"power":[51,86],"under":[52,143],"clear":[53],"sky":[54],"conditions,":[55],"input":[61],"overdrive,":[62],"hard-limiting":[64],"transponders.":[65],"these":[69],"techniques":[71],"in":[72,112],"terms":[73],"bit":[75,82],"error":[76],"rate":[77],"versus":[78],"energy":[79],"per":[80],"information":[81],"noise":[85],"density":[87],"<tex":[88,108],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[89,109],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">E_{b}/N_{0}</tex>":[90],"has":[91,147],"been":[92,124,148],"evaluated":[93],"the":[95,113,137,170],"three":[96],"system":[97,104,153],"as":[99],"a":[100,161],"function":[101],"various":[103,166],"parameters.":[105],"For":[106],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">BT</tex>":[110],"products":[111],"range":[114],"1.5-2.0,":[116],"modem":[117],"filter":[118],"characteristics":[119],"waveform":[121],"shaping":[122],"have":[123],"carefully":[125],"nearly":[127],"\"optimally\"":[128],"selected":[129],"to":[130,168],"combat":[131],"which":[135],"major":[138],"source":[139],"impairments,":[141],"especially":[142],"uplink":[144],"fades.":[145],"It":[146],"found":[149],"that,":[150],"certain":[152],"environments,":[154],"OQPSK":[157],"outperform":[158],"QPSK.":[159],"As":[160],"byproduct":[162],"this":[164],"investigation,":[165],"means":[167],"minimize":[169],"effects":[171],"proposed.":[176]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}