{"id":"https://openalex.org/W2888929239","doi":"https://doi.org/10.1109/spawc.2018.8445970","title":"Super-Resolution for Achieving Frequency Division Duplex (FDD) Channel Reciprocity","display_name":"Super-Resolution for Achieving Frequency Division Duplex (FDD) Channel Reciprocity","publication_year":2018,"publication_date":"2018-06-01","ids":{"openalex":"https://openalex.org/W2888929239","doi":"https://doi.org/10.1109/spawc.2018.8445970","mag":"2888929239"},"language":"en","primary_location":{"id":"doi:10.1109/spawc.2018.8445970","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc.2018.8445970","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 19th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","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/A5060421696","display_name":"Wanshan Yang","orcid":"https://orcid.org/0000-0002-1772-7535"},"institutions":[{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Wanshan Yang","raw_affiliation_strings":["Department of Computer Science, University of Colorado at Boulder, Boulder, CO, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Colorado at Boulder, Boulder, CO, USA","institution_ids":["https://openalex.org/I188538660"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100398616","display_name":"Lijun Chen","orcid":"https://orcid.org/0000-0001-6694-4299"},"institutions":[{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lijun Chen","raw_affiliation_strings":["Department of Computer Science, University of Colorado at Boulder, Boulder, CO, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Colorado at Boulder, Boulder, CO, USA","institution_ids":["https://openalex.org/I188538660"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084454849","display_name":"Youjian Liu","orcid":"https://orcid.org/0000-0003-4681-0546"},"institutions":[{"id":"https://openalex.org/I188538660","display_name":"University of Colorado Boulder","ror":"https://ror.org/02ttsq026","country_code":"US","type":"education","lineage":["https://openalex.org/I188538660"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Youjian Liu","raw_affiliation_strings":["University of Colorado Boulder, Boulder, CO, US"],"affiliations":[{"raw_affiliation_string":"University of Colorado Boulder, Boulder, CO, US","institution_ids":["https://openalex.org/I188538660"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5060421696"],"corresponding_institution_ids":["https://openalex.org/I188538660"],"apc_list":null,"apc_paid":null,"fwci":1.6738,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.85082932,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9994999766349792,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9994999766349792,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9890000224113464,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6720490455627441},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6552218198776245},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6323633193969727},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6008504629135132},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5739251375198364},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.4625617265701294},{"id":"https://openalex.org/keywords/frequency-band","display_name":"Frequency band","score":0.4559084475040436},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.44808828830718994},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.4475399851799011},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.441707581281662},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.438772976398468},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.322557270526886},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1848834753036499}],"concepts":[{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6720490455627441},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6552218198776245},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6323633193969727},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6008504629135132},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5739251375198364},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.4625617265701294},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.4559084475040436},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.44808828830718994},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.4475399851799011},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.441707581281662},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.438772976398468},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.322557270526886},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1848834753036499},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/spawc.2018.8445970","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc.2018.8445970","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 19th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1970113402","https://openalex.org/W2036030019","https://openalex.org/W2044079777","https://openalex.org/W2076457767","https://openalex.org/W2119499160","https://openalex.org/W2120549790","https://openalex.org/W2129131372","https://openalex.org/W2130509920","https://openalex.org/W2292759272","https://openalex.org/W2488265751","https://openalex.org/W2962826447","https://openalex.org/W2964325628"],"related_works":["https://openalex.org/W2167568384","https://openalex.org/W2059045613","https://openalex.org/W2116541631","https://openalex.org/W2514205366","https://openalex.org/W3173074004","https://openalex.org/W4250215096","https://openalex.org/W1976511355","https://openalex.org/W2119209917","https://openalex.org/W2544668827","https://openalex.org/W2082469387"],"abstract_inverted_index":{"Channel":[0,70],"state":[1,71,130],"information":[2],"at":[3],"transmitter":[4],"(CSIT)":[5],"allows":[6],"wireless":[7,179],"communication":[8],"systems":[9,24,180],"to":[10,32,62,206,216],"fully":[11],"utilize":[12],"the":[13,18,27,43,49,58,68,84,99,104,128,143,153,156,160,193,200,218,230,233,247,259],"degree":[14],"of":[15,17,29,47,79,86,112,114,155,190,229],"freedom":[16],"channel.":[19],"Time":[20],"division":[21,53],"duplex":[22,54],"(TDD)":[23],"can":[25,135,262],"take":[26],"advantage":[28],"channel":[30,100,129,195,202,219],"reciprocity":[31,196],"obtain":[33,63],"forward":[34],"link":[35,39],"CSIT":[36,64],"from":[37,65,67,121,138],"reverse":[38],"training.":[40],"We":[41,237],"tackle":[42],"seemingly":[44],"impossible":[45],"task":[46],"doing":[48],"same":[50],"for":[51,168,226,241,255],"frequency":[52,126,133,157],"(FDD)":[55],"systems,":[56],"where":[57],"conventional":[59],"method":[60],"is":[61,89,142,165,215,251],"feedback":[66,72],"receiver.":[69],"causes":[73],"delay":[74],"and":[75,110,171,177,182,188,225,244,258],"consumes":[76],"prohibitive":[77],"amount":[78],"system":[80],"resource,":[81],"especially":[82],"when":[83],"number":[85,189],"transmit":[87],"antennas":[88],"large,":[90],"such":[91,102],"as":[92,103],"in":[93,124,131],"massive":[94],"MIMO":[95],"systems.":[96,174],"However,":[97],"if":[98],"parameters,":[101],"complex":[105,235],"path":[106,108],"gain,":[107],"delay,":[109],"angle":[111],"arrival/departure":[113],"each":[115,227],"individual":[116],"path,":[117],"are":[118],"accurately":[119],"estimated":[120],"pilot":[122],"signals":[123],"one":[125],"band,":[127],"another":[132],"band":[134,170],"be":[136,150],"calculated":[137],"these":[139],"parameters.":[140],"Accuracy":[141],"key":[144],"because":[145],"small":[146],"estimation":[147],"error":[148],"will":[149,183],"magnified":[151],"by":[152],"multiplication":[154],"difference":[158],"between":[159],"bands.":[161],"The":[162],"required":[163],"accuracy":[164],"not":[166,252],"achievable":[167],"narrow":[169],"single":[172],"antenna":[173],"But":[175],"current":[176],"future":[178],"have":[181,184],"increasingly":[185],"large":[186],"bandwidth":[187],"antennas,":[191],"making":[192],"FDD":[194,201],"possible.":[197],"To":[198],"achieve":[199,263],"reciprocity,":[203],"we":[204],"propose":[205],"employ":[207],"super-resolution":[208,260],"theory.":[209],"Another":[210],"possible":[211],"compressed":[212,248],"sensing":[213,249],"approach":[214,250,261],"put":[217],"parameters":[220],"on":[221],"a":[222],"multi-dimensional":[223],"grid":[224],"point":[228],"grid,":[231],"estimate":[232],"corresponding":[234],"gain.":[236],"adapt":[238],"both":[239],"approaches":[240],"our":[242,264],"problem":[243],"show":[245],"that":[246],"well":[253],"suited":[254],"this":[256],"purpose":[257],"goal.":[265]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}