{"id":"https://openalex.org/W2040598109","doi":"https://doi.org/10.1109/icct.2013.6820347","title":"Secret key extraction based on uplink CFR estimation for OFDM-FDD system","display_name":"Secret key extraction based on uplink CFR estimation for OFDM-FDD system","publication_year":2013,"publication_date":"2013-11-01","ids":{"openalex":"https://openalex.org/W2040598109","doi":"https://doi.org/10.1109/icct.2013.6820347","mag":"2040598109"},"language":"en","primary_location":{"id":"doi:10.1109/icct.2013.6820347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icct.2013.6820347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 15th IEEE International Conference on Communication Technology","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/A5082239883","display_name":"Xiaohua Wu","orcid":"https://orcid.org/0000-0002-3492-1540"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohua Wu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China","Beijing University of Posts and Telecommunications, 100876 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, 100876 China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087105500","display_name":"Chunjing Hu","orcid":"https://orcid.org/0000-0002-7431-290X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunjing Hu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China","Beijing University of Posts and Telecommunications, 100876 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, 100876 China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008656722","display_name":"Yuexing Peng","orcid":"https://orcid.org/0000-0002-6237-8995"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuexing Peng","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China","Beijing University of Posts and Telecommunications, 100876 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, 100876 China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020045660","display_name":"Hui Zhao","orcid":"https://orcid.org/0000-0001-5480-7692"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Zhao","raw_affiliation_strings":["Beijing University of Posts and Telecommunications, Beijing, China","Beijing University of Posts and Telecommunications, 100876 China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"Beijing University of Posts and Telecommunications, 100876 China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101995499","display_name":"Hongtao Duan","orcid":"https://orcid.org/0000-0003-4448-4548"},"institutions":[{"id":"https://openalex.org/I4210143635","display_name":"State Radio Regulation Of China","ror":"https://ror.org/041100z65","country_code":"CN","type":"other","lineage":["https://openalex.org/I4210143635","https://openalex.org/I890469752"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongtao Duan","raw_affiliation_strings":["The State Radio Monitoring Center, Beijing, China","The State Radio Monitoring Center, Beijing 100876, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The State Radio Monitoring Center, Beijing, China","institution_ids":["https://openalex.org/I4210143635"]},{"raw_affiliation_string":"The State Radio Monitoring Center, Beijing 100876, China","institution_ids":["https://openalex.org/I4210143635"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4053,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.53561932,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"37","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","score":0.9998999834060669,"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9998999834060669,"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9969000220298767,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12162","display_name":"Cellular Automata and Applications","score":0.9679999947547913,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/telecommunications-link","display_name":"Telecommunications link","score":0.7865850329399109},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7463692426681519},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7201334834098816},{"id":"https://openalex.org/keywords/duplex","display_name":"Duplex (building)","score":0.6564074754714966},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.5491030216217041},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.53983473777771},{"id":"https://openalex.org/keywords/physical-layer","display_name":"Physical layer","score":0.48063722252845764},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4235658347606659},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.41641974449157715},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26869943737983704},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.21838584542274475},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19157996773719788},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.13921329379081726}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7865850329399109},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7463692426681519},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7201334834098816},{"id":"https://openalex.org/C99611785","wikidata":"https://www.wikidata.org/wiki/Q6453233","display_name":"Duplex (building)","level":3,"score":0.6564074754714966},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.5491030216217041},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.53983473777771},{"id":"https://openalex.org/C19247436","wikidata":"https://www.wikidata.org/wiki/Q192727","display_name":"Physical layer","level":3,"score":0.48063722252845764},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4235658347606659},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.41641974449157715},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26869943737983704},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.21838584542274475},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19157996773719788},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.13921329379081726},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C552990157","wikidata":"https://www.wikidata.org/wiki/Q7430","display_name":"DNA","level":2,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icct.2013.6820347","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icct.2013.6820347","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 15th IEEE International Conference on Communication Technology","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.46000000834465027,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1557662267","https://openalex.org/W1980053810","https://openalex.org/W1984976418","https://openalex.org/W2054496355","https://openalex.org/W2102187818","https://openalex.org/W2106833918","https://openalex.org/W2161081468","https://openalex.org/W2286322657"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W2369501245","https://openalex.org/W1604254364","https://openalex.org/W4243590696"],"abstract_inverted_index":{"Channel":[0],"reciprocity":[1],"is":[2,48,68,93,105],"limited":[3],"in":[4,23,33,45,61],"frequency":[5,58],"division":[6,25],"duplex":[7,26],"(FDD)":[8],"system,":[9],"and":[10,88],"thus":[11],"those":[12],"channel":[13,57],"reciprocity-based":[14],"secret":[15,41,91],"key":[16,42,92],"extraction":[17,43],"methods":[18],"which":[19,55],"are":[20],"widely":[21],"adopted":[22],"time":[24,67],"(TDD)":[27],"systems":[28],"can":[29],"hardly":[30],"be":[31],"implemented":[32],"FDD":[34],"systems.":[35],"In":[36],"this":[37],"paper,":[38],"a":[39,78],"novel":[40],"method":[44,104],"OFDM-FDD":[46],"system":[47],"proposed":[49,103],"to":[50],"achieve":[51],"physical-layer":[52],"security,":[53],"by":[54,70,107],"the":[56,62,65,71,75,90,96,102],"response":[59],"(CFR)":[60],"uplink":[63],"at":[64],"same":[66],"estimated":[69],"communication":[72],"pair":[73],"with":[74],"aid":[76],"of":[77,101],"specially":[79],"designed":[80],"forwarding":[81],"strategy":[82],"based":[83],"on":[84],"confidential":[85],"probing":[86],"signal,":[87],"then":[89],"extracted":[94],"from":[95],"CFR":[97],"estimates.":[98],"The":[99],"effectiveness":[100],"verified":[106],"numerical":[108],"simulations.":[109]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}