{"id":"https://openalex.org/W7080288531","doi":"https://doi.org/10.1109/lcomm.2025.3606894","title":"Low-Complexity PAPR Reduction in DZT-OTFS System Through Clipping and Logarithmic Rooting Companding","display_name":"Low-Complexity PAPR Reduction in DZT-OTFS System Through Clipping and Logarithmic Rooting Companding","publication_year":2025,"publication_date":"2025-09-08","ids":{"openalex":"https://openalex.org/W7080288531","doi":"https://doi.org/10.1109/lcomm.2025.3606894"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2025.3606894","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3606894","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","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":null,"display_name":"Zongmiao He","orcid":"https://orcid.org/0000-0003-0998-706X"},"institutions":[{"id":"https://openalex.org/I4401041622","display_name":"Chengdu Technological University","ror":"https://ror.org/04713ex73","country_code":null,"type":"education","lineage":["https://openalex.org/I4401041622"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zongmiao He","raw_affiliation_strings":["School of Network and Communication Engineering, Chengdu Technological University, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Network and Communication Engineering, Chengdu Technological University, Chengdu, China","institution_ids":["https://openalex.org/I4401041622"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Changjia Qu","orcid":null},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changjia Qu","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yarui Zuo","orcid":"https://orcid.org/0009-0000-1039-7812"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yarui Zuo","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Xingyuan Yang","orcid":"https://orcid.org/0009-0005-5213-6748"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingyuan Yang","raw_affiliation_strings":["National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Kai Xiong","orcid":"https://orcid.org/0009-0005-2163-0786"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Xiong","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":null,"display_name":"Xiang Ling","orcid":"https://orcid.org/0000-0002-2012-8795"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiang Ling","raw_affiliation_strings":["National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China"],"affiliations":[{"raw_affiliation_string":"National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4401041622"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.49787299,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"11","first_page":"2636","last_page":"2640"},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.647599995136261,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12157","display_name":"Geochemistry and Geologic Mapping","score":0.647599995136261,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T13067","display_name":"Geological Modeling and Analysis","score":0.026499999687075615,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14311","display_name":"Electrical and Electromagnetic Research","score":0.0210999995470047,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/companding","display_name":"Companding","score":0.9772999882698059},{"id":"https://openalex.org/keywords/clipping","display_name":"Clipping (morphology)","score":0.7903000116348267},{"id":"https://openalex.org/keywords/logarithm","display_name":"Logarithm","score":0.5616999864578247},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5473999977111816},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5231999754905701},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.42410001158714294},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.41909998655319214},{"id":"https://openalex.org/keywords/discrete-fourier-transform","display_name":"Discrete Fourier transform (general)","score":0.39750000834465027},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.3912999927997589}],"concepts":[{"id":"https://openalex.org/C104250799","wikidata":"https://www.wikidata.org/wiki/Q1780765","display_name":"Companding","level":4,"score":0.9772999882698059},{"id":"https://openalex.org/C2776848632","wikidata":"https://www.wikidata.org/wiki/Q853463","display_name":"Clipping (morphology)","level":2,"score":0.7903000116348267},{"id":"https://openalex.org/C39927690","wikidata":"https://www.wikidata.org/wiki/Q11197","display_name":"Logarithm","level":2,"score":0.5616999864578247},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5473999977111816},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5442000031471252},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5231999754905701},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.48570001125335693},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.47189998626708984},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.42410001158714294},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.41909998655319214},{"id":"https://openalex.org/C57733114","wikidata":"https://www.wikidata.org/wiki/Q1006032","display_name":"Discrete Fourier transform (general)","level":5,"score":0.39750000834465027},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.3912999927997589},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.3840999901294708},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3765999972820282},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.3727000057697296},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.34200000762939453},{"id":"https://openalex.org/C100515483","wikidata":"https://www.wikidata.org/wiki/Q3268235","display_name":"Filter bank","level":3,"score":0.3345000147819519},{"id":"https://openalex.org/C102519508","wikidata":"https://www.wikidata.org/wiki/Q6520159","display_name":"Fourier transform","level":2,"score":0.3271999955177307},{"id":"https://openalex.org/C207467116","wikidata":"https://www.wikidata.org/wiki/Q4385666","display_name":"Inverse","level":2,"score":0.32359999418258667},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.31839999556541443},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3073999881744385},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.2799000144004822},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.27869999408721924},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.27219998836517334},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.26080000400543213},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.2574000060558319},{"id":"https://openalex.org/C105344744","wikidata":"https://www.wikidata.org/wiki/Q958957","display_name":"Spread spectrum","level":3,"score":0.2513999938964844}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2025.3606894","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2025.3606894","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G3977081284","display_name":null,"funder_award_id":"62201122","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1549824996","https://openalex.org/W2612254130","https://openalex.org/W2942993434","https://openalex.org/W3018831003","https://openalex.org/W3023769997","https://openalex.org/W3047061314","https://openalex.org/W3140555703","https://openalex.org/W3154315041","https://openalex.org/W3210621930","https://openalex.org/W3215326714","https://openalex.org/W4200225910","https://openalex.org/W4225942300","https://openalex.org/W4293094925","https://openalex.org/W4394862926","https://openalex.org/W4395070062","https://openalex.org/W4402170530","https://openalex.org/W4402835137"],"related_works":[],"abstract_inverted_index":{"Orthogonal":[0],"time":[1],"frequency":[2,15],"space":[3],"(OTFS)":[4],"is":[5],"an":[6],"emerging":[7],"multi-carrier":[8],"modulation":[9],"technique":[10],"to":[11],"mitigate":[12],"large":[13],"Doppler":[14],"shift":[16],"in":[17],"ultra-high-speed":[18],"mobile":[19],"communication":[20],"environments.":[21],"Implementation":[22],"of":[23,74],"traditional":[24,127],"OTFS":[25,68],"mainly":[26],"relies":[27],"on":[28,92],"inverse":[29],"symplectic":[30],"finite":[31],"Fourier":[32],"transform":[33,37,53],"(ISFFT)":[34],"and":[35,39,94,101,120,130,135,138],"Heisenberg":[36],"(HT),":[38],"has":[40],"high":[41,60],"complexity.":[42],"This":[43],"paper":[44],"adopts":[45],"a":[46,83],"low-complexity":[47],"implementation":[48],"using":[49],"the":[50,71],"discrete":[51],"Zak":[52],"(DZT).":[54],"However,":[55],"DZT-OTFS":[56,89],"system":[57,90],"still":[58],"exhibits":[59],"peak-to-average":[61],"power":[62,75],"ratio":[63],"(PAPR),":[64],"which":[65],"can":[66],"drive":[67],"signal":[69],"into":[70],"nonlinear":[72],"region":[73],"amplifier.":[76],"To":[77],"address":[78],"this":[79,106],"problem,":[80],"we":[81],"propose":[82],"novel":[84],"PAPR":[85,110],"reduction":[86],"method":[87,107],"for":[88],"based":[91],"clipping":[93,129,133],"logarithmic":[95],"rooting":[96],"companding":[97,140],"(CLRC).":[98],"Theoretical":[99],"analysis":[100],"simulation":[102],"results":[103],"demonstrate":[104],"that":[105],"significantly":[108],"reduces":[109],"value":[111],"with":[112,126],"mild":[113],"bit":[114],"error":[115],"rate":[116],"(BER)":[117],"performance":[118],"loss":[119],"maintaining":[121],"low":[122],"computational":[123],"complexity":[124],"compared":[125],"simple":[128],"filtering":[131,136],"(SCF),":[132],"noise":[134],"(CNF)":[137],"\u03bc":[139],"algorithms.":[141]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
