{"id":"https://openalex.org/W7155051277","doi":"https://doi.org/10.48550/arxiv.2604.18060","title":"Low-Complexity Tone Injection via Candidate Ranking for PAPR Reduction in OFDM and AFDM Systems","display_name":"Low-Complexity Tone Injection via Candidate Ranking for PAPR Reduction in OFDM and AFDM Systems","publication_year":2026,"publication_date":"2026-04-20","ids":{"openalex":"https://openalex.org/W7155051277","doi":"https://doi.org/10.48550/arxiv.2604.18060"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2604.18060","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.18060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2604.18060","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032072875","display_name":"Yue Zheng","orcid":"https://orcid.org/0000-0002-1612-8258"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zheng, Yupeng","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107914650","display_name":"A. Li","orcid":"https://orcid.org/0000-0002-4547-116X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Li, Ang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134101907","display_name":"Jinfei Wang","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wang, Jinfei","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134159719","display_name":"Yi Ma","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ma, Yi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5134159928","display_name":"Rahim Tafazolli","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tafazolli, Rahim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9921000003814697,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9921000003814697,"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":0.0010999999940395355,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.000699999975040555,"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/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7562999725341797},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6172999739646912},{"id":"https://openalex.org/keywords/clipping","display_name":"Clipping (morphology)","score":0.5871000289916992},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4699000120162964},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.4163999855518341},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.3953000009059906},{"id":"https://openalex.org/keywords/tone","display_name":"Tone (literature)","score":0.35109999775886536}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7562999725341797},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6172999739646912},{"id":"https://openalex.org/C2776848632","wikidata":"https://www.wikidata.org/wiki/Q853463","display_name":"Clipping (morphology)","level":2,"score":0.5871000289916992},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5368000268936157},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49230000376701355},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4699000120162964},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.4163999855518341},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40149998664855957},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.3953000009059906},{"id":"https://openalex.org/C2780583480","wikidata":"https://www.wikidata.org/wiki/Q1366327","display_name":"Tone (literature)","level":2,"score":0.35109999775886536},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33970001339912415},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.3183000087738037},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.31220000982284546},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.2840999960899353},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.2743000090122223},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.2689000070095062},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.26499998569488525},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.25540000200271606}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2604.18060","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.18060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2604.18060","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2604.18060","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Tone":[0],"injection":[1],"(TI)":[2],"is":[3,88,124],"a":[4,60,76,136],"promising":[5],"distortionless":[6],"PAPR":[7,34,93,113],"reduction":[8],"technique":[9],"that":[10,80,105],"incurs":[11],"no":[12],"spectral":[13],"efficiency":[14],"loss.":[15],"However,":[16],"state-of-the-art":[17],"TI":[18,42,57,117],"schemes":[19,43,53,108,118],"based":[20],"on":[21],"random":[22],"candidate":[23,61],"generation":[24],"or":[25],"clipping":[26],"noise":[27],"spectrum":[28],"suffer":[29],"from":[30],"fundamental":[31],"limitations":[32],"in":[33],"performance.":[35],"In":[36],"this":[37],"paper,":[38],"we":[39],"propose":[40],"novel":[41],"compatible":[44],"with":[45],"both":[46,141],"OFDM":[47,142],"and":[48,143],"AFDM":[49],"systems.":[50],"The":[51,122],"proposed":[52,107],"iteratively":[54],"update":[55],"the":[56,82,97,101,106],"sequence":[58],"via":[59],"ranking":[62],"procedure":[63],"guided":[64],"by":[65,95],"time-domain":[66],"local":[67],"peaks.":[68],"This":[69],"accurately":[70],"selects":[71],"effective":[72],"candidates":[73],"while":[74],"achieving":[75],"complexity":[77],"comparable":[78,120],"to":[79,91],"of":[81,100,129],"fast":[83],"Fourier":[84],"transform.":[85],"Depth-first":[86],"search":[87],"further":[89],"integrated":[90],"enhance":[92],"performance":[94],"exploiting":[96],"tree":[98],"structure":[99],"process.":[102],"Simulations":[103],"demonstrate":[104],"achieve":[109],"over":[110,115],"1":[111],"dB":[112],"gain":[114,123],"baseline":[116],"at":[119],"complexity.":[121],"consistent":[125],"across":[126],"various":[127],"numbers":[128],"subcarriers":[130],"under":[131],"controlled":[132],"per-iteration":[133],"complexities,":[134],"confirming":[135],"superior":[137],"performance-complexity":[138],"trade-off":[139],"for":[140],"AFDM.":[144]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-04-22T00:00:00"}
