{"id":"https://openalex.org/W2128406298","doi":"https://doi.org/10.1109/jsac.1984.1146086","title":"Design and Test of a Spectrally Efficient Land Mobile Communications System Using LPC Speech","display_name":"Design and Test of a Spectrally Efficient Land Mobile Communications System Using LPC Speech","publication_year":1984,"publication_date":"1984-07-01","ids":{"openalex":"https://openalex.org/W2128406298","doi":"https://doi.org/10.1109/jsac.1984.1146086","mag":"2128406298"},"language":"en","primary_location":{"id":"doi:10.1109/jsac.1984.1146086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1984.1146086","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/A5017251529","display_name":"M. A. McLaughlin","orcid":"https://orcid.org/0000-0001-7697-7422"},"institutions":[{"id":"https://openalex.org/I1333370159","display_name":"Motorola (United States)","ror":"https://ror.org/01hafxd32","country_code":"US","type":"company","lineage":["https://openalex.org/I1333370159"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"M. McLaughlin","raw_affiliation_strings":["Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA"],"affiliations":[{"raw_affiliation_string":"Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA","institution_ids":["https://openalex.org/I1333370159"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027113142","display_name":"D. Linder","orcid":null},"institutions":[{"id":"https://openalex.org/I1333370159","display_name":"Motorola (United States)","ror":"https://ror.org/01hafxd32","country_code":"US","type":"company","lineage":["https://openalex.org/I1333370159"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. Linder","raw_affiliation_strings":["Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA"],"affiliations":[{"raw_affiliation_string":"Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA","institution_ids":["https://openalex.org/I1333370159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011896108","display_name":"Scott Carney","orcid":null},"institutions":[{"id":"https://openalex.org/I1333370159","display_name":"Motorola (United States)","ror":"https://ror.org/01hafxd32","country_code":"US","type":"company","lineage":["https://openalex.org/I1333370159"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Carney","raw_affiliation_strings":["Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA"],"affiliations":[{"raw_affiliation_string":"Chicago Corporate Research and Development Center, Motorola, Inc., Schaumburg, IL, USA","institution_ids":["https://openalex.org/I1333370159"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5017251529"],"corresponding_institution_ids":["https://openalex.org/I1333370159"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.22268041,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"2","issue":"4","first_page":"611","last_page":"620"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9986000061035156,"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":0.9986000061035156,"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":0.9969000220298767,"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":0.9939000010490417,"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/computer-science","display_name":"Computer science","score":0.719414234161377},{"id":"https://openalex.org/keywords/baseband","display_name":"Baseband","score":0.5759301781654358},{"id":"https://openalex.org/keywords/frequency-shift-keying","display_name":"Frequency-shift keying","score":0.502199649810791},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.4678507447242737},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4616682827472687},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.43889886140823364},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4301721453666687},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3337697386741638},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.32495275139808655},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3103642165660858},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.1377427577972412},{"id":"https://openalex.org/keywords/demodulation","display_name":"Demodulation","score":0.11487394571304321},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09433183073997498}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.719414234161377},{"id":"https://openalex.org/C65165936","wikidata":"https://www.wikidata.org/wiki/Q575784","display_name":"Baseband","level":3,"score":0.5759301781654358},{"id":"https://openalex.org/C163996819","wikidata":"https://www.wikidata.org/wiki/Q1166054","display_name":"Frequency-shift keying","level":4,"score":0.502199649810791},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.4678507447242737},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4616682827472687},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.43889886140823364},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4301721453666687},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3337697386741638},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.32495275139808655},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3103642165660858},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.1377427577972412},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.11487394571304321},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09433183073997498}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.1984.1146086","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.1984.1146086","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":[{"score":0.5699999928474426,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1575583166","https://openalex.org/W1596939795","https://openalex.org/W1598244681","https://openalex.org/W1606075767","https://openalex.org/W1975060138","https://openalex.org/W2022554507","https://openalex.org/W2067849424","https://openalex.org/W2101384105","https://openalex.org/W2122022458","https://openalex.org/W2168990175","https://openalex.org/W2296272057","https://openalex.org/W4235422353"],"related_works":["https://openalex.org/W2364031918","https://openalex.org/W2988495901","https://openalex.org/W2972940596","https://openalex.org/W2008674632","https://openalex.org/W2170422486","https://openalex.org/W2374657454","https://openalex.org/W2350062280","https://openalex.org/W2586567844","https://openalex.org/W2377494615","https://openalex.org/W2112252453"],"abstract_inverted_index":{"A":[0,97,141],"communication":[1],"system":[2],"was":[3,28,43,102,109,144],"built":[4],"and":[5,57,93,134],"tested":[6],"to":[7,146,155],"operate":[8],"in":[9,60,70],"the":[10,52,61,66,148,152],"land":[11],"mobile":[12,164],"VHF":[13],"band":[14],"(150-174":[15],"MHz)":[16],"at":[17,31,115],"a":[18,71,78,158],"channel":[19,128],"separation":[20],"of":[21,54,65,82,151,157],"only":[22],"6":[23],"kHz.":[24],"The":[25,39,75],"audio":[26],"source":[27],"digitally":[29],"encoded":[30],"2.4":[32,83],"kbits/s":[33],"using":[34],"linear":[35],"predictive":[36],"coding":[37],"(LPC).":[38],"speech":[40,139,149],"data":[41,68,87],"stream":[42],"transmitted":[44],"by":[45],"frequency":[46,94,132],"shift":[47],"keying":[48],"(FSK)":[49],"which":[50,85],"allowed":[51,86],"use":[53],"class-C":[55],"transmitters":[56],"discriminator":[58],"detection":[59],"receiver.":[62],"Baseband":[63],"filtering":[64],"NRZ":[67],"resulted":[69],"narrow":[72],"transmitter":[73],"spectrum.":[74],"receiver":[76],"had":[77],"3":[79],"dB":[80],"bandwidth":[81],"kHz":[84,161],"transmission":[88],"with":[89,111],"minimal":[90],"intersymbol":[91],"interference":[92],"offset":[95],"degradation.":[96],"58":[98],"percent":[99],"eye":[100],"opening":[101],"found.":[103],"Bit":[104],"error":[105,136],"rate":[106],"(BER)":[107],"performance":[108],"measured":[110],"simulated":[112],"Rayleigh":[113],"fading":[114],"typical":[116],"150":[117],"MHz":[118],"rates.":[119],"Additional":[120],"tests":[121],"included":[122],"capture,":[123],"ignition":[124],"noise":[125],"susceptibility,":[126],"adjacent":[127],"protection,":[129],"degradation":[130],"from":[131],"offset,":[133],"bit":[135],"effects":[137],"upon":[138],"quality.":[140],"field":[142],"test":[143],"conducted":[145],"compare":[147],"quality":[150],"digital":[153],"radio":[154],"that":[156],"conventional":[159],"5":[160],"deviation":[162],"FM":[163],"radio.":[165]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
