{"id":"https://openalex.org/W2144466789","doi":"https://doi.org/10.1109/tcom.1978.1094117","title":"A 4800 Bit/s Microprocessor Data Modem","display_name":"A 4800 Bit/s Microprocessor Data Modem","publication_year":1978,"publication_date":"1978-05-01","ids":{"openalex":"https://openalex.org/W2144466789","doi":"https://doi.org/10.1109/tcom.1978.1094117","mag":"2144466789"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1978.1094117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1978.1094117","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/A5049182798","display_name":"Kentaro Watanabe","orcid":"https://orcid.org/0000-0002-9104-7458"},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"K. Watanabe","raw_affiliation_strings":["Nippon Electric Company Limited, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Nippon Electric Company Limited, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111857619","display_name":"Kouji Inoue","orcid":null},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Inoue","raw_affiliation_strings":["Nippon Electric Company Limited, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Nippon Electric Company Limited, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020058285","display_name":"Yukio Sato","orcid":"https://orcid.org/0000-0001-5981-7224"},"institutions":[{"id":"https://openalex.org/I118347220","display_name":"NEC (Japan)","ror":"https://ror.org/04jndar25","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Sato","raw_affiliation_strings":["Nippon Electric Company Limited, Kawasaki, Japan"],"affiliations":[{"raw_affiliation_string":"Nippon Electric Company Limited, Kawasaki, Japan","institution_ids":["https://openalex.org/I118347220"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5049182798"],"corresponding_institution_ids":["https://openalex.org/I118347220"],"apc_list":null,"apc_paid":null,"fwci":1.8575,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.86221744,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"26","issue":"5","first_page":"493","last_page":"498"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T10904","display_name":"Embedded Systems Design Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T11697","display_name":"Numerical Methods and Algorithms","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/microprocessor","display_name":"Microprocessor","score":0.8880680203437805},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7406370043754578},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.6025331020355225},{"id":"https://openalex.org/keywords/multiplier","display_name":"Multiplier (economics)","score":0.5798361301422119},{"id":"https://openalex.org/keywords/16-bit","display_name":"16-bit","score":0.49008166790008545},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.44410961866378784}],"concepts":[{"id":"https://openalex.org/C2780728072","wikidata":"https://www.wikidata.org/wiki/Q5297","display_name":"Microprocessor","level":2,"score":0.8880680203437805},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7406370043754578},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.6025331020355225},{"id":"https://openalex.org/C124584101","wikidata":"https://www.wikidata.org/wiki/Q1053266","display_name":"Multiplier (economics)","level":2,"score":0.5798361301422119},{"id":"https://openalex.org/C33652231","wikidata":"https://www.wikidata.org/wiki/Q194368","display_name":"16-bit","level":2,"score":0.49008166790008545},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.44410961866378784},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcom.1978.1094117","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1978.1094117","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":[{"display_name":"Peace, Justice and strong institutions","score":0.4099999964237213,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1512002052","https://openalex.org/W2134697308","https://openalex.org/W2160574074"],"related_works":["https://openalex.org/W2387235933","https://openalex.org/W2123880708","https://openalex.org/W2001393705","https://openalex.org/W2357771869","https://openalex.org/W1974941177","https://openalex.org/W2107415779","https://openalex.org/W2073785659","https://openalex.org/W1896542237","https://openalex.org/W4252679823","https://openalex.org/W1992653390"],"abstract_inverted_index":{"The":[0,21,128],"development":[1],"of":[2,60,88,95,135,148],"a":[3,77,89,101,122,146],"new":[4],"4800":[5],"bit/s":[6],"data":[7],"modem,":[8,38],"based":[9],"on":[10],"real-time":[11,78],"digital":[12,41],"signal":[13],"processing":[14,61],"by":[15,45],"program":[16],"controlled":[17,138],"microprocessors,":[18],"is":[19,23,56,85,115,131],"described.":[20],"modem":[22,74,130],"fully":[24],"compatible":[25],"with":[26,110],"the":[27,36,40,73,86,111,119],"CCITT":[28],"Recommendations":[29],"V.27":[30,33],"bis":[31],"and":[32,52,140],"ter.":[34],"In":[35],"microprocessor":[37,49,69,129],"all":[39,72],"signals":[42],"are":[43,98,105],"processed":[44],"one":[46],"general":[47],"purpose":[48],"unit":[50],"only":[51],"no":[53],"hardware":[54],"multiplier":[55],"employed.":[57],"A":[58],"series":[59],"cycle":[62],"reduction":[63],"tactics":[64],"have":[65],"allowed":[66],"an":[67],"off-the-shelf":[68],"to":[70,107],"handle":[71],"functions":[75],"in":[76],"environment.":[79],"Particularly":[80],"noteworthy,":[81],"among":[82],"these":[83],"tactics,":[84],"use":[87],"decision":[90],"feedback":[91],"equalization":[92],"algorithm.":[93,113],"Numbers":[94],"multiplications,":[96],"which":[97],"required":[99],"for":[100],"conventional":[102],"linear":[103],"equalization,":[104],"shown":[106,117],"be":[108],"obviated":[109],"DFE":[112,120],"It":[114],"also":[116],"that":[118],"facilitates":[121],"certain":[123],"timing":[124],"phase":[125],"control":[126],"method.":[127],"extremely":[132],"flexible":[133],"because":[134],"its":[136],"software":[137],"nature,":[139],"through":[141],"programming":[142],"it":[143],"will":[144],"provide":[145],"variety":[147],"additional":[149],"functions.":[150]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}