{"id":"https://openalex.org/W4411949551","doi":"https://doi.org/10.1109/iwcmc65282.2025.11059443","title":"A CP-Free DCWFRFT Based OTFS Framework in High Mobility Scenario: Design and Performance Analysis","display_name":"A CP-Free DCWFRFT Based OTFS Framework in High Mobility Scenario: Design and Performance Analysis","publication_year":2025,"publication_date":"2025-05-12","ids":{"openalex":"https://openalex.org/W4411949551","doi":"https://doi.org/10.1109/iwcmc65282.2025.11059443"},"language":"en","primary_location":{"id":"doi:10.1109/iwcmc65282.2025.11059443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcmc65282.2025.11059443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Wireless Communications and Mobile Computing (IWCMC)","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/A5101442304","display_name":"Yusi Zhang","orcid":"https://orcid.org/0000-0001-8525-0946"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yusi Zhang","raw_affiliation_strings":["National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052997078","display_name":"Ke Shi","orcid":"https://orcid.org/0000-0001-6602-2227"},"institutions":[{"id":"https://openalex.org/I204983213","display_name":"Harbin Institute of Technology","ror":"https://ror.org/01yqg2h08","country_code":"CN","type":"education","lineage":["https://openalex.org/I204983213"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Shi","raw_affiliation_strings":["Harbin Institute of Technology,Department of Electronics and Information Engineering,Harbin,China,150001"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Harbin Institute of Technology,Department of Electronics and Information Engineering,Harbin,China,150001","institution_ids":["https://openalex.org/I204983213"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071070368","display_name":"Yuxin Shi","orcid":"https://orcid.org/0000-0001-8529-6549"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuxin Shi","raw_affiliation_strings":["National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075170127","display_name":"Wanyu Xiang","orcid":"https://orcid.org/0000-0002-5123-7118"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wanyu Xiang","raw_affiliation_strings":["National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102659782","display_name":"Han Liao","orcid":null},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Liao","raw_affiliation_strings":["National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007","institution_ids":["https://openalex.org/I170215575"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046144937","display_name":"Chen Han","orcid":"https://orcid.org/0000-0002-1858-1929"},"institutions":[{"id":"https://openalex.org/I170215575","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11","country_code":"CN","type":"education","lineage":["https://openalex.org/I170215575"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Han","raw_affiliation_strings":["National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National University of Defense Technology,The Sixty-Third Research Institute,Nanjing,China,210007","institution_ids":["https://openalex.org/I170215575"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.16038453,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"386","last_page":"391"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9941999912261963,"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":0.9941999912261963,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9186999797821045,"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":0.5867311954498291}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5867311954498291}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwcmc65282.2025.11059443","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcmc65282.2025.11059443","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Wireless Communications and Mobile Computing (IWCMC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324150","display_name":"National University of Defense Technology","ror":"https://ror.org/05d2yfz11"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W2963374765","https://openalex.org/W3108769052","https://openalex.org/W4319994154","https://openalex.org/W4321487931","https://openalex.org/W4379618902","https://openalex.org/W4380607233","https://openalex.org/W4392175456","https://openalex.org/W4393028336","https://openalex.org/W4393062420","https://openalex.org/W4399527678","https://openalex.org/W4399800898","https://openalex.org/W4402159256","https://openalex.org/W4403827286","https://openalex.org/W4404132714","https://openalex.org/W4404371519","https://openalex.org/W4406354615","https://openalex.org/W4408399461"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"High":[0],"mobility":[1],"feature":[2],"in":[3,21],"communication":[4],"scenario":[5],"encourages":[6],"the":[7,10,37,40,50,53,58,103,108,113,123,127,141,154,166],"emergence":[8],"of":[9,39,55,60,105,153],"orthogonal":[11],"time":[12],"frequency":[13],"space":[14],"(OTFS)":[15],"modulation.":[16],"The":[17],"Cyclic":[18],"prefix":[19],"(CP)":[20],"OTFS":[22,71,159,168],"systems":[23],"is":[24,73],"used":[25],"to":[26,97,135],"combat":[27],"Inter-Symbol":[28],"Interference":[29,33],"(ISI)":[30],"and":[31,49,63,85,117,130,138,147,157],"Intercarrier":[32],"(ICI),":[34],"which":[35],"simplifies":[36],"design":[38],"equalizer":[41],"by":[42,173],"restoring":[43],"circulant":[44],"convolution":[45],"relationship":[46],"between":[47],"symbols":[48,121],"channel.":[51],"However,":[52],"overhead":[54],"CP":[56,175],"weighs":[57],"burden":[59],"spectral":[61,171],"efficiency":[62,172],"latency.":[64],"In":[65],"this":[66],"paper,":[67],"an":[68,86],"improved":[69],"CP-free":[70,106,158],"framework":[72,169],"designed":[74],"combined":[75,134],"with":[76,182],"a":[77],"dual-component":[78],"Weighted":[79],"Fractional":[80],"Fourier":[81],"transform":[82],"(DCWFRFT)":[83],"precoder":[84,90],"enhanced":[87,109],"detector.":[88],"DCWFRFT":[89],"enables":[91],"more":[92],"evenly":[93],"distributed":[94],"signal":[95],"energy":[96],"achieve":[98],"better":[99],"performance.":[100],"To":[101],"ensure":[102],"reliability":[104],"OTFS,":[107],"detector":[110,156],"firstly":[111],"truncates":[112],"ISI":[114],"contaminated":[115],"portion":[116,129,132],"then":[118],"reconstructs":[119],"these":[120],"from":[122],"reliable":[124,128],"one.":[125],"Finally,":[126],"reconstructed":[131],"are":[133,161],"be":[136],"detected":[137],"decoded.":[139],"Furthermore,":[140],"normalized":[142],"mean":[143],"square":[144],"error":[145,149],"(NMSE)":[146],"bit":[148],"rate":[150],"(BER)":[151],"performance":[152,180],"proposed":[155,167],"system":[160],"simulated.":[162],"Results":[163],"show":[164],"that":[165],"improves":[170],"discarding":[174],"while":[176],"maintaining":[177],"satisfactory":[178],"BER":[179],"compared":[181],"CP-OTFS.":[183]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}