{"id":"https://openalex.org/W3159105760","doi":"https://doi.org/10.1109/wcnc49053.2021.9417384","title":"Optimizing Channel Estimation Overhead for OTFS with Prior Channel Statistics","display_name":"Optimizing Channel Estimation Overhead for OTFS with Prior Channel Statistics","publication_year":2021,"publication_date":"2021-03-29","ids":{"openalex":"https://openalex.org/W3159105760","doi":"https://doi.org/10.1109/wcnc49053.2021.9417384","mag":"3159105760"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc49053.2021.9417384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417384","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-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/A5011468230","display_name":"Runnan Liu","orcid":"https://orcid.org/0000-0003-4227-6892"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Runnan Liu","raw_affiliation_strings":["Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068085978","display_name":"Yihang Huang","orcid":"https://orcid.org/0000-0003-4979-3999"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yihang Huang","raw_affiliation_strings":["Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021456909","display_name":"Dazhi He","orcid":"https://orcid.org/0000-0001-6637-0088"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Dazhi He","raw_affiliation_strings":["Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000470166","display_name":"Yin Xu","orcid":"https://orcid.org/0000-0003-4429-5982"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yin Xu","raw_affiliation_strings":["Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100447806","display_name":"Wenjun Zhang","orcid":"https://orcid.org/0000-0001-8799-1182"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjun Zhang","raw_affiliation_strings":["Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Media Network Innovation Center (CMIC) School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7119,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.69231292,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","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/T11873","display_name":"PAPR reduction in OFDM","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/T12146","display_name":"Power Line Communications and Noise","score":0.9793000221252441,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9764000177383423,"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/additive-white-gaussian-noise","display_name":"Additive white Gaussian noise","score":0.6400386095046997},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6330181956291199},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6003960967063904},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.5495683550834656},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5478494167327881},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4750511646270752},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4047946333885193},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.35883739590644836},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28611624240875244},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19558313488960266}],"concepts":[{"id":"https://openalex.org/C169334058","wikidata":"https://www.wikidata.org/wiki/Q353292","display_name":"Additive white Gaussian noise","level":3,"score":0.6400386095046997},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6330181956291199},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6003960967063904},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.5495683550834656},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5478494167327881},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4750511646270752},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4047946333885193},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.35883739590644836},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28611624240875244},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19558313488960266},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc49053.2021.9417384","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc49053.2021.9417384","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.44999998807907104}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1509061701","https://openalex.org/W1998454576","https://openalex.org/W2042606277","https://openalex.org/W2072079297","https://openalex.org/W2131651545","https://openalex.org/W2132305759","https://openalex.org/W2165723962","https://openalex.org/W2612254130","https://openalex.org/W2785763240","https://openalex.org/W2888002205","https://openalex.org/W2962951066","https://openalex.org/W2963986627","https://openalex.org/W4250589301","https://openalex.org/W4294576869","https://openalex.org/W6748268494","https://openalex.org/W6751133722"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2370399950","https://openalex.org/W2260494111","https://openalex.org/W4243590696","https://openalex.org/W2372188366","https://openalex.org/W2799270999","https://openalex.org/W4280499399"],"abstract_inverted_index":{"The":[0],"recently":[1],"proposed":[2,66,100,166,185,196],"orthogonal":[3,17],"time-frequency":[4],"space":[5],"(OTFS)":[6],"modulation":[7],"scheme":[8,64,101],"is":[9,33,65,121],"able":[10],"to":[11,67,158,167,171,179],"provide":[12],"significant":[13],"performance":[14,83,97,182],"gain":[15],"over":[16,87],"frequency":[18],"division":[19],"multiplexing":[20],"(OFDM)":[21],"in":[22,30],"high":[23],"Doppler":[24],"spread":[25,128],"scenarios.":[26],"Qualified":[27],"channel":[28,53,61,76,136,202],"estimation":[29,77],"delay-Doppler":[31,88],"domain":[32],"the":[34,69,75,81,85,93,99,104,109,117,124,145,156,159,181,184,192,195,199],"prerequisite":[35],"for":[36,133],"such":[37],"good":[38],"performance,":[39],"but":[40],"it":[41],"requires":[42],"a":[43,59,131],"large":[44],"number":[45],"of":[46,84,98,108,183,194,201],"guard":[47],"and":[48,102,198,204],"pilot":[49],"symbols,":[50],"which":[51],"degrades":[52],"capacity":[54,72,107,118],"significantly.":[55],"In":[56,140],"this":[57],"paper,":[58],"prior":[60],"statistics":[62],"based":[63],"maximize":[68],"system":[70,111,205],"ergodic":[71,106],"by":[73],"optimizing":[74],"overhead":[78,186],"while":[79],"ensuring":[80],"high-quality":[82],"OTFS":[86,110],"channels.":[89],"We":[90],"first":[91],"investigate":[92],"signal-to-interference-plus-noise":[94],"ratio":[95],"(SINR)":[96],"derive":[103],"closed-form":[105],"on":[112,155],"its":[113],"basis.":[114],"And":[115],"then,":[116],"maximization":[119],"problem":[120],"studied":[122],"given":[123],"root-mean-square":[125],"(RMS)":[126],"delay":[127],"rather":[129],"than":[130],"request":[132],"instantaneous":[134],"perfect":[135],"state":[137],"information":[138],"(CSI).":[139],"addition,":[141],"we":[142],"reveal":[143],"that":[144],"additive":[146],"white":[147],"Gaussian":[148],"noise":[149],"(AWGN)":[150],"power":[151],"has":[152],"an":[153],"impact":[154],"solution":[157],"optimization":[160,163],"problem,":[161],"so":[162],"instances":[164],"are":[165,176,207],"treat":[168],"differently":[169],"according":[170],"SNR":[172],"levels.":[173],"Extensive":[174],"simulations":[175],"carried":[177],"out":[178],"evaluate":[180],"reduction":[187],"scheme.":[188],"Numerical":[189],"results":[190],"demonstrate":[191],"superiority":[193],"scheme,":[197],"effect":[200],"characteristics":[203],"parameters":[206],"also":[208],"revealed.":[209]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}