{"id":"https://openalex.org/W4415293141","doi":"https://doi.org/10.23919/jcin.2025.11207204","title":"LLM-Enhanced Pilot-Free OTFS Transceiver for High-Mobility Communications","display_name":"LLM-Enhanced Pilot-Free OTFS Transceiver for High-Mobility Communications","publication_year":2025,"publication_date":"2025-09-01","ids":{"openalex":"https://openalex.org/W4415293141","doi":"https://doi.org/10.23919/jcin.2025.11207204"},"language":null,"primary_location":{"id":"doi:10.23919/jcin.2025.11207204","is_oa":false,"landing_page_url":"https://doi.org/10.23919/jcin.2025.11207204","pdf_url":null,"source":{"id":"https://openalex.org/S4210178728","display_name":"Journal of Communications and Information Networks","issn_l":"2096-1081","issn":["2096-1081","2509-3312"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications and Information Networks","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/A5103179790","display_name":"Jiaming Cheng","orcid":"https://orcid.org/0000-0002-1912-3209"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaming Cheng","raw_affiliation_strings":["State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115595744","display_name":"Wei Chen","orcid":"https://orcid.org/0000-0002-0113-2596"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Chen","raw_affiliation_strings":["State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053197340","display_name":"Bowen Yang","orcid":"https://orcid.org/0000-0002-3727-1248"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bowen Yang","raw_affiliation_strings":["State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100620739","display_name":"Bo Ai","orcid":"https://orcid.org/0000-0001-6850-0595"},"institutions":[{"id":"https://openalex.org/I21193070","display_name":"Beijing Jiaotong University","ror":"https://ror.org/01yj56c84","country_code":"CN","type":"education","lineage":["https://openalex.org/I21193070"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bo Ai","raw_affiliation_strings":["State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Advanced Rail Autonomous Operation and the School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China","institution_ids":["https://openalex.org/I21193070"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I21193070"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.24675379,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"3","first_page":"215","last_page":"223"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","score":0.9991000294685364,"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":0.9991000294685364,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.9861999750137329,"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":0.9830999970436096,"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/transceiver","display_name":"Transceiver","score":0.7727000117301941},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6797999739646912},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5891000032424927},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5411999821662903},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.48010000586509705},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4521999955177307},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.435699999332428},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.42669999599456787}],"concepts":[{"id":"https://openalex.org/C7720470","wikidata":"https://www.wikidata.org/wiki/Q954187","display_name":"Transceiver","level":3,"score":0.7727000117301941},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6797999739646912},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6761999726295471},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5891000032424927},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5411999821662903},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4916999936103821},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.48010000586509705},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4521999955177307},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.435699999332428},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.42669999599456787},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4050000011920929},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.3718000054359436},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.35199999809265137},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3513999879360199},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.34209999442100525},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29170000553131104},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.28290000557899475},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.27900001406669617},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.2702000141143799},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.2685999870300293},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.26010000705718994},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.2572999894618988},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.25}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.23919/jcin.2025.11207204","is_oa":false,"landing_page_url":"https://doi.org/10.23919/jcin.2025.11207204","pdf_url":null,"source":{"id":"https://openalex.org/S4210178728","display_name":"Journal of Communications and Information Networks","issn_l":"2096-1081","issn":["2096-1081","2509-3312"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Communications and Information Networks","raw_type":"journal-article"}],"best_oa_location":null,"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":{"The":[0],"advent":[1],"of":[2],"6G":[3],"wireless":[4],"networks":[5],"demands":[6],"highly":[7],"reliable":[8],"communication":[9],"in":[10,88],"extreme":[11],"mobility":[12],"scenarios":[13],"while":[14],"maintaining":[15],"stringent":[16],"spectral":[17,122],"efficiency.":[18],"Conventional":[19],"orthogonal":[20],"time":[21],"frequency":[22],"space":[23],"(OTFS)":[24],"systems":[25],"rely":[26],"on":[27],"pilot-assisted":[28,132],"channel":[29,82],"estimation,":[30],"which":[31],"incurs":[32],"significant":[33],"overhead":[34],"and":[35,84,110,124,135],"limits":[36],"throughput.":[37],"In":[38],"this":[39],"paper,":[40],"we":[41],"propose":[42],"a":[43,102],"novel":[44],"pilot-free":[45],"OTFS":[46],"transceiver":[47],"empowered":[48],"by":[49],"large":[50],"language":[51],"models":[52],"(LLMs)":[53],"to":[54],"overcome":[55],"these":[56],"challenges.":[57],"Our":[58],"end-to-end":[59],"(E2E)":[60],"framework":[61],"integrates":[62],"artificial":[63],"intelligence":[64],"(AI)-driven":[65],"constellation":[66],"geometric":[67],"shaping":[68],"(GS)":[69],"at":[70],"the":[71,89,116],"transmitter":[72],"with":[73,101],"an":[74],"LLM-enhanced":[75],"neural":[76],"receiver":[77,95],"(LLM-Rx)":[78],"that":[79,115],"performs":[80],"implicit":[81],"estimation":[83,109],"data":[85],"detection":[86],"directly":[87],"delay-Doppler":[90],"(DD)":[91],"domain.":[92],"A":[93],"dual-branch":[94],"architecture":[96],"combines":[97],"convolutional":[98],"feature":[99],"extraction":[100],"pretrained":[103],"GPT-2":[104],"backbone,":[105],"enabling":[106],"context-aware":[107],"joint":[108],"detection.":[111],"Extensive":[112],"simulations":[113],"demonstrate":[114],"proposed":[117],"design":[118],"achieves":[119],"14.3%":[120],"higher":[121],"efficiency":[123],"significantly":[125],"lower":[126],"bit":[127],"error":[128],"rate":[129],"(BER)":[130],"than":[131],"linear":[133],"transceivers":[134],"other":[136],"existing":[137],"schemes.":[138]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-18T00:00:00"}
