{"id":"https://openalex.org/W2153903946","doi":"https://doi.org/10.1109/iscas.2005.1465499","title":"Simple Polar-Loop Transmitter for Dual-Mode Bluetooth","display_name":"Simple Polar-Loop Transmitter for Dual-Mode Bluetooth","publication_year":2005,"publication_date":"2005-07-27","ids":{"openalex":"https://openalex.org/W2153903946","doi":"https://doi.org/10.1109/iscas.2005.1465499","mag":"2153903946"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2005.1465499","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2005.1465499","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"},"type":"conference-paper","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/A5036668422","display_name":"T. Oshima","orcid":"https://orcid.org/0000-0002-1069-3221"},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Oshima","raw_affiliation_strings":["Central Research Laboratory, Hitachi and Limited, Kokubunji, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi and Limited, Kokubunji, Tokyo, Japan","institution_ids":["https://openalex.org/I65143321"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044735641","display_name":"Masaru Kokubo","orcid":null},"institutions":[{"id":"https://openalex.org/I65143321","display_name":"Hitachi (Japan)","ror":"https://ror.org/02exqgm79","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Kokubo","raw_affiliation_strings":["Central Research Laboratory, Hitachi and Limited, Kokubunji, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Central Research Laboratory, Hitachi and Limited, Kokubunji, Tokyo, Japan","institution_ids":["https://openalex.org/I65143321"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I65143321"],"apc_list":null,"apc_paid":null,"fwci":1.0803,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.78109817,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"50","issue":null,"first_page":"3966","last_page":"3969"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9998000264167786,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9998000264167786,"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/T11248","display_name":"Advanced Power Amplifier Design","score":0.9998000264167786,"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/T10099","display_name":"GaN-based semiconductor devices and materials","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bluetooth","display_name":"Bluetooth","score":0.7330509424209595},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.710733950138092},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6948763728141785},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.5380702614784241},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.49637752771377563},{"id":"https://openalex.org/keywords/rf-power-amplifier","display_name":"RF power amplifier","score":0.4838041663169861},{"id":"https://openalex.org/keywords/pulse-width-modulation","display_name":"Pulse-width modulation","score":0.4426884949207306},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4120737612247467},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3824281394481659},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3374979496002197},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.2776910066604614},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21246522665023804},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15858709812164307},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.13443908095359802}],"concepts":[{"id":"https://openalex.org/C546215728","wikidata":"https://www.wikidata.org/wiki/Q39531","display_name":"Bluetooth","level":3,"score":0.7330509424209595},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.710733950138092},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6948763728141785},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.5380702614784241},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.49637752771377563},{"id":"https://openalex.org/C196054291","wikidata":"https://www.wikidata.org/wiki/Q7276624","display_name":"RF power amplifier","level":4,"score":0.4838041663169861},{"id":"https://openalex.org/C92746544","wikidata":"https://www.wikidata.org/wiki/Q585184","display_name":"Pulse-width modulation","level":3,"score":0.4426884949207306},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4120737612247467},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3824281394481659},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3374979496002197},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.2776910066604614},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21246522665023804},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15858709812164307},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.13443908095359802},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iscas.2005.1465499","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2005.1465499","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2005 IEEE International Symposium on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8999999761581421}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2072233742","https://openalex.org/W2098808773","https://openalex.org/W2125935742","https://openalex.org/W2138047484","https://openalex.org/W2165830051"],"related_works":["https://openalex.org/W313219734","https://openalex.org/W2166364432","https://openalex.org/W2123894529","https://openalex.org/W1989581869","https://openalex.org/W3044227975","https://openalex.org/W2045401036","https://openalex.org/W1483684315","https://openalex.org/W2725938747","https://openalex.org/W2481061691","https://openalex.org/W1638655194"],"abstract_inverted_index":{"A":[0],"dual-mode":[1],"transmitter":[2,85],"for":[3,92],"conventional":[4],"GFSK-modulated":[5],"Bluetooth":[6,11,95],"and":[7,41,78],"medium-rate":[8],"/spl":[9],"pi//4-DQPSK-modulated":[10],"has":[12,64],"been":[13],"realized":[14],"using":[15],"a":[16,47,57,72,87],"simple":[17],"polar-loop":[18],"method":[19],"without":[20],"feedback":[21],"control":[22],"from":[23],"the":[24,27,53,93],"output":[25,67],"of":[26,56,81],"power":[28,60,68,74],"amplifier.":[29,61],"Phase":[30],"modulation":[31,36,45],"is":[32],"performed":[33],"by":[34],"two-point":[35],"with":[37],"extremely":[38],"wide":[39],"bandwidth,":[40],"fast":[42],"power-efficient":[43],"amplitude":[44],"utilizes":[46],"PWM":[48],"DC-DC":[49],"converter":[50],"which":[51],"controls":[52],"supply":[54],"voltage":[55],"class-E":[58],"saturated":[59],"The":[62,83],"simulation":[63],"confirmed":[65],"an":[66],"above":[69,76],"10":[70],"dBm,":[71],"total":[73],"efficiency":[75],"30%":[77],"RMS":[79],"DEVM":[80],"0.050.":[82],"proposed":[84],"enables":[86],"low-cost,":[88],"low-power":[89],"single-chip":[90],"RF-IC":[91],"next-generation":[94],"communication.":[96]},"counts_by_year":[{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
