{"id":"https://openalex.org/W2114297742","doi":"https://doi.org/10.1109/tim.2013.2278598","title":"Generalized Rational Functions for Reduced-Complexity Behavioral Modeling and Digital Predistortion of Broadband Wireless Transmitters","display_name":"Generalized Rational Functions for Reduced-Complexity Behavioral Modeling and Digital Predistortion of Broadband Wireless Transmitters","publication_year":2014,"publication_date":"2014-01-06","ids":{"openalex":"https://openalex.org/W2114297742","doi":"https://doi.org/10.1109/tim.2013.2278598","mag":"2114297742"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2013.2278598","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2013.2278598","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Transactions on Instrumentation and Measurement","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/A5031602735","display_name":"Meenakshi Rawat","orcid":"https://orcid.org/0000-0002-8427-1662"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Meenakshi Rawat","raw_affiliation_strings":["University of Calgary, AB, Canada","University of Calgary; Calgary; AB; Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary; Calgary; AB; Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021001346","display_name":"Karun Rawat","orcid":"https://orcid.org/0000-0002-9395-342X"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]},{"id":"https://openalex.org/I68891433","display_name":"Indian Institute of Technology Delhi","ror":"https://ror.org/049tgcd06","country_code":"IN","type":"education","lineage":["https://openalex.org/I68891433"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Karun Rawat","raw_affiliation_strings":["Indian Institute of Technology, Delhi, India","Indian Inst. of Technol., New Delhi, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology, Delhi, India","institution_ids":["https://openalex.org/I68891433"]},{"raw_affiliation_string":"Indian Inst. of Technol., New Delhi, New Delhi, India","institution_ids":["https://openalex.org/I64295750"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086339362","display_name":"Fadhel M. Ghannouchi","orcid":"https://orcid.org/0000-0001-6788-1656"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Fadhel M. Ghannouchi","raw_affiliation_strings":["University of Calgary, AB, Canada","University of Calgary; Calgary; AB; Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary; Calgary; AB; Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022821097","display_name":"Shubhrajit Bhattacharjee","orcid":"https://orcid.org/0000-0002-4041-1416"},"institutions":[{"id":"https://openalex.org/I2802429487","display_name":"SNC-Lavalin (Canada)","ror":"https://ror.org/03k1gyh28","country_code":"CA","type":"company","lineage":["https://openalex.org/I2802429487"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Shubhrajit Bhattacharjee","raw_affiliation_strings":["SNC Lavalin T&D, Calgary, AB, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"SNC Lavalin T&D, Calgary, AB, Canada","institution_ids":["https://openalex.org/I2802429487"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061884304","display_name":"Henry Leung","orcid":"https://orcid.org/0000-0002-5984-107X"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Henry Leung","raw_affiliation_strings":["University of Calgary, AB, Canada","University of Calgary; Calgary; AB; Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"University of Calgary; Calgary; AB; Canada","institution_ids":["https://openalex.org/I168635309"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.8976,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.95719412,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"63","issue":"2","first_page":"485","last_page":"498"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11248","display_name":"Advanced Power Amplifier Design","score":1.0,"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":1.0,"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/T10187","display_name":"Radio Frequency Integrated Circuit Design","score":0.9994000196456909,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9976999759674072,"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/predistortion","display_name":"Predistortion","score":0.9057784080505371},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.6630622148513794},{"id":"https://openalex.org/keywords/polynomial-and-rational-function-modeling","display_name":"Polynomial and rational function modeling","score":0.5566794276237488},{"id":"https://openalex.org/keywords/adjacent-channel-power-ratio","display_name":"Adjacent channel power ratio","score":0.5337831377983093},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5226100087165833},{"id":"https://openalex.org/keywords/rational-function","display_name":"Rational function","score":0.5175291895866394},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.48133859038352966},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.425531804561615},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.41648560762405396},{"id":"https://openalex.org/keywords/polynomial","display_name":"Polynomial","score":0.3959048390388489},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.31930458545684814},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22688186168670654},{"id":"https://openalex.org/keywords/cmos","display_name":"CMOS","score":0.12623143196105957}],"concepts":[{"id":"https://openalex.org/C2778587875","wikidata":"https://www.wikidata.org/wiki/Q7239686","display_name":"Predistortion","level":4,"score":0.9057784080505371},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.6630622148513794},{"id":"https://openalex.org/C138029060","wikidata":"https://www.wikidata.org/wiki/Q7226633","display_name":"Polynomial and rational function modeling","level":3,"score":0.5566794276237488},{"id":"https://openalex.org/C2776191232","wikidata":"https://www.wikidata.org/wiki/Q4683143","display_name":"Adjacent channel power ratio","level":5,"score":0.5337831377983093},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5226100087165833},{"id":"https://openalex.org/C75190567","wikidata":"https://www.wikidata.org/wiki/Q41237","display_name":"Rational function","level":2,"score":0.5175291895866394},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.48133859038352966},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.425531804561615},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.41648560762405396},{"id":"https://openalex.org/C90119067","wikidata":"https://www.wikidata.org/wiki/Q43260","display_name":"Polynomial","level":2,"score":0.3959048390388489},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.31930458545684814},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22688186168670654},{"id":"https://openalex.org/C46362747","wikidata":"https://www.wikidata.org/wiki/Q173431","display_name":"CMOS","level":2,"score":0.12623143196105957},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2013.2278598","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2013.2278598","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Transactions on Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.6800000071525574}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W244834732","https://openalex.org/W592623567","https://openalex.org/W1495371052","https://openalex.org/W1968787329","https://openalex.org/W1992371797","https://openalex.org/W2001371760","https://openalex.org/W2013737143","https://openalex.org/W2017700152","https://openalex.org/W2061867906","https://openalex.org/W2098739682","https://openalex.org/W2099219395","https://openalex.org/W2100025589","https://openalex.org/W2101397645","https://openalex.org/W2105737698","https://openalex.org/W2108370173","https://openalex.org/W2108565643","https://openalex.org/W2116685609","https://openalex.org/W2124452575","https://openalex.org/W2126667631","https://openalex.org/W2129057069","https://openalex.org/W2129159422","https://openalex.org/W2136561582","https://openalex.org/W2137720674","https://openalex.org/W2138013081","https://openalex.org/W2139497801","https://openalex.org/W2143366256","https://openalex.org/W2146762634","https://openalex.org/W2147511345","https://openalex.org/W2150103913","https://openalex.org/W2156070997","https://openalex.org/W2159225472","https://openalex.org/W2161181093","https://openalex.org/W2164068499","https://openalex.org/W2165625444","https://openalex.org/W2166364183","https://openalex.org/W2166608639","https://openalex.org/W2171395034","https://openalex.org/W2176683925","https://openalex.org/W2494150676","https://openalex.org/W2534138076","https://openalex.org/W2983666409","https://openalex.org/W4254495054","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W3211209249","https://openalex.org/W3108155107","https://openalex.org/W4226281858","https://openalex.org/W1971777755","https://openalex.org/W2908152984","https://openalex.org/W2392858724","https://openalex.org/W4383955226","https://openalex.org/W2782736309","https://openalex.org/W2915016884","https://openalex.org/W2787834929"],"abstract_inverted_index":{"In":[0],"this":[1,143],"paper,":[2],"we":[3],"present":[4],"and":[5,19,37,45,89,102,113,151],"analyze":[6],"rational-function-based":[7,106],"digital":[8],"predistortion":[9],"(DPD)":[10],"of":[11,28,66,72,78,96,135,149,157],"transmitters":[12],"for":[13,35,40,130],"broadband":[14],"applications":[15],"where":[16],"system":[17],"noise":[18],"prominent":[20],"memory":[21,98],"effects":[22],"contribute":[23],"to":[24,141],"the":[25,29,73,116,126,136,147],"overall":[26],"nonlinearity":[27],"system.":[30],"The":[31,70],"performance":[32,71],"is":[33,92,109,139,159],"reported":[34,160],"simulation":[36,112],"measured":[38],"results":[39],"gallium":[41],"nitride":[42],"(GaN)-based":[43],"class-AB":[44],"laterally":[46],"diffused":[47],"MOS":[48],"(LDMOS)-based":[49],"Doherty":[50],"power":[51,84],"amplifiers":[52],"(PAs)":[53],"using":[54],"three":[55],"different":[56],"wideband":[57],"code":[58],"division":[59],"multiple":[60],"access":[61],"signals":[62],"with":[63,163],"peak-to-average-power":[64],"ratios":[65],"around":[67],"10":[68],"dB.":[69],"proposed":[74,105,118,140],"model,":[75],"in":[76,125],"terms":[77],"normalized":[79],"mean-square":[80],"error,":[81],"adjacent":[82],"channel":[83],"ratio,":[85],"matrix":[86],"condition":[87],"number,":[88],"coefficient":[90],"dispersion,":[91],"compared":[93,162],"against":[94],"those":[95],"a":[97,103,153,164],"polynomial":[99],"(MP)":[100],"model":[101],"previously":[104,117],"model.":[107,167],"It":[108],"shown":[110],"by":[111],"measurement":[114],"that":[115],"absolute-term":[119],"denominator":[120],"rational":[121,137],"functions":[122],"have":[123],"limitations":[124],"inverse":[127],"modeling":[128],"needed":[129],"DPD.":[131],"A":[132],"new":[133],"variation":[134],"function":[138],"alleviate":[142],"limitation.":[144],"Depending":[145],"on":[146],"type":[148],"PA":[150],"signals,":[152],"floating-point":[154],"operation":[155],"reduction":[156],"8%-38%":[158],"as":[161],"low-complexity":[165],"MP":[166]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}