{"id":"https://openalex.org/W2096617387","doi":"https://doi.org/10.1109/tcom.1978.1093953","title":"Optimum PCM Codes for DPSK","display_name":"Optimum PCM Codes for DPSK","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W2096617387","doi":"https://doi.org/10.1109/tcom.1978.1093953","mag":"2096617387"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1978.1093953","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1978.1093953","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/A5111966415","display_name":"C.-E.W. Sundberg","orcid":null},"institutions":[{"id":"https://openalex.org/I187531555","display_name":"Lund University","ror":"https://ror.org/012a77v79","country_code":"SE","type":"education","lineage":["https://openalex.org/I187531555"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"C.-E. Sundberg","raw_affiliation_strings":["University of Lund, Lund, Sweden","University of Lund, Lund Sweden"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Lund, Lund, Sweden","institution_ids":["https://openalex.org/I187531555"]},{"raw_affiliation_string":"University of Lund, Lund Sweden","institution_ids":["https://openalex.org/I187531555"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111966415"],"corresponding_institution_ids":["https://openalex.org/I187531555"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.23309693,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"26","issue":"1","first_page":"169","last_page":"174"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T10575","display_name":"Wireless Communication Networks Research","score":0.996399998664856,"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":0.9959999918937683,"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/interleaving","display_name":"Interleaving","score":0.8525488376617432},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.6337379217147827},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.5558096170425415},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5280628800392151},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.514022946357727},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.359017550945282},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.35580945014953613},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.1785210371017456},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16031891107559204}],"concepts":[{"id":"https://openalex.org/C28034677","wikidata":"https://www.wikidata.org/wiki/Q17092530","display_name":"Interleaving","level":2,"score":0.8525488376617432},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.6337379217147827},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5558096170425415},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5280628800392151},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.514022946357727},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.359017550945282},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.35580945014953613},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.1785210371017456},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16031891107559204},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcom.1978.1093953","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1978.1093953","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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1542991855","https://openalex.org/W1577906631","https://openalex.org/W1904952949","https://openalex.org/W1967620223","https://openalex.org/W2022730441","https://openalex.org/W2044853946","https://openalex.org/W2067849424","https://openalex.org/W2410744941","https://openalex.org/W3011183868","https://openalex.org/W3029881087","https://openalex.org/W6775702851","https://openalex.org/W6778527684"],"related_works":["https://openalex.org/W1655266410","https://openalex.org/W2389051085","https://openalex.org/W1901012776","https://openalex.org/W2463883322","https://openalex.org/W2330343234","https://openalex.org/W2814468324","https://openalex.org/W2229382548","https://openalex.org/W2391789612","https://openalex.org/W2389236462","https://openalex.org/W1999566769"],"abstract_inverted_index":{"The":[0,17,88],"effect":[1],"of":[2,91],"digital":[3],"errors":[4],"in":[5],"PCM":[6,14,21,38,63,80,93,102,108,115,135,154],"systems":[7],"for":[8,82,104,117,127,137,145,152],"speech":[9],"signals":[10],"depends":[11],"on":[12],"the":[13,26,46,57,124],"code":[15,22,29,136],"used.":[16],"standard":[18,70,153],"binary":[19,28,71,106],"folded":[20,72,107],"is":[23,32,54,65,95,129],"superior":[24],"to":[25,42,45,69],"natural":[27],"but":[30],"it":[31],"not":[33],"optimum.":[34],"This":[35,139],"paper":[36,140],"considers":[37],"codes":[39,64,81,94,103,116],"especially":[40,61],"designed":[41,62],"be":[43],"insensitive":[44],"double":[47,146],"error":[48,147],"patterns":[49],"produced":[50],"by":[51],"DPSK.":[52],"It":[53],"concluded":[55],"that":[56,123],"dynamic":[58,89],"range":[59],"with":[60,109],"considerably":[66],"extended":[67],"compared":[68],"PCM.":[73],"Special":[74],"simplified":[75,130],"interleaving":[76,131],"schemes":[77],"and":[78,97,110,132],"optimum":[79,101,114,134],"coherent":[83,118],"PSK":[84],"are":[85],"also":[86,141],"considered.":[87],"behavior":[90],"various":[92],"calculated":[96],"compared,":[98],"e.g.,":[99],"asymptotically":[100,113],"DPSK,":[105],"without":[111],"interleaving,":[112],"PSK,":[119],"etc.":[120],"We":[121],"conclude":[122],"best":[125],"scheme":[126],"DPSK":[128],"an":[133],"PSK.":[138],"gives":[142],"analytical":[143],"formulas":[144],"<tex":[148],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[149],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">A</tex>":[150],"-factors":[151],"systems.":[155]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
