{"id":"https://openalex.org/W2764264123","doi":"https://doi.org/10.1109/tsp.2013.2245124","title":"Two-Way Training for Discriminatory Channel Estimation in Wireless MIMO Systems","display_name":"Two-Way Training for Discriminatory Channel Estimation in Wireless MIMO Systems","publication_year":2013,"publication_date":"2013-02-05","ids":{"openalex":"https://openalex.org/W2764264123","doi":"https://doi.org/10.1109/tsp.2013.2245124","mag":"2764264123"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2013.2245124","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2013.2245124","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1301.4625","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051082988","display_name":"Chao-Wei Huang","orcid":"https://orcid.org/0000-0002-0319-0570"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"Chao-Wei Huang","raw_affiliation_strings":["Institute of Communications Engineering, National Tsinghua University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, National Tsinghua University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064271996","display_name":"Tsung\u2010Hui Chang","orcid":"https://orcid.org/0000-0003-1349-2764"},"institutions":[{"id":"https://openalex.org/I154864474","display_name":"National Taiwan University of Science and Technology","ror":"https://ror.org/00q09pe49","country_code":"TW","type":"education","lineage":["https://openalex.org/I154864474"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Tsung-Hui Chang","raw_affiliation_strings":["Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan","institution_ids":["https://openalex.org/I154864474"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085818373","display_name":"Xiangyun Zhou","orcid":"https://orcid.org/0000-0001-8973-9079"},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xiangyun Zhou","raw_affiliation_strings":["Research School of Engineering, Australian National University, Canberra, ACT, Australia"],"affiliations":[{"raw_affiliation_string":"Research School of Engineering, Australian National University, Canberra, ACT, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009791512","display_name":"Y.-W. Peter Hong","orcid":"https://orcid.org/0000-0001-7043-8276"},"institutions":[{"id":"https://openalex.org/I25846049","display_name":"National Tsing Hua University","ror":"https://ror.org/00zdnkx70","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Y.-W. Peter Hong","raw_affiliation_strings":["Institute of Communications Engineering, National Tsinghua University, Hsinchu, Taiwan"],"affiliations":[{"raw_affiliation_string":"Institute of Communications Engineering, National Tsinghua University, Hsinchu, Taiwan","institution_ids":["https://openalex.org/I25846049"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5051082988"],"corresponding_institution_ids":["https://openalex.org/I25846049"],"apc_list":null,"apc_paid":null,"fwci":8.4082,"has_fulltext":false,"cited_by_count":58,"citation_normalized_percentile":{"value":0.98041483,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":"61","issue":"10","first_page":"2724","last_page":"2738"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10964","display_name":"Wireless Communication Security Techniques","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/T10964","display_name":"Wireless Communication Security Techniques","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/T12131","display_name":"Wireless Signal Modulation Classification","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9853000044822693,"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/channel","display_name":"Channel (broadcasting)","score":0.7298322319984436},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7229775786399841},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.704352617263794},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6046923398971558},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.5187580585479736},{"id":"https://openalex.org/keywords/focus","display_name":"Focus (optics)","score":0.493010014295578},{"id":"https://openalex.org/keywords/artificial-noise","display_name":"Artificial noise","score":0.48508965969085693},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4773716628551483},{"id":"https://openalex.org/keywords/subspace-topology","display_name":"Subspace topology","score":0.4489785432815552},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.42365872859954834},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41704171895980835},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3160059452056885},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29640740156173706},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19801434874534607},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.14368611574172974}],"concepts":[{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7298322319984436},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7229775786399841},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.704352617263794},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6046923398971558},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.5187580585479736},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.493010014295578},{"id":"https://openalex.org/C2780909371","wikidata":"https://www.wikidata.org/wiki/Q4801092","display_name":"Artificial noise","level":4,"score":0.48508965969085693},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4773716628551483},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.4489785432815552},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.42365872859954834},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41704171895980835},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3160059452056885},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29640740156173706},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19801434874534607},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.14368611574172974},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tsp.2013.2245124","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2013.2245124","pdf_url":null,"source":{"id":"https://openalex.org/S168680287","display_name":"IEEE Transactions on Signal Processing","issn_l":"1053-587X","issn":["1053-587X","1941-0476"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:1301.4625","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1301.4625","pdf_url":"https://arxiv.org/pdf/1301.4625","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.766.3437","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.766.3437","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://arxiv.org/pdf/1301.4625.pdf","raw_type":"text"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/11609","is_oa":false,"landing_page_url":"http://hdl.handle.net/1885/11609","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Transactions on Signal Processing 61.10 (2013): 2724 - 2738","raw_type":"Journal article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1301.4625","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1301.4625","pdf_url":"https://arxiv.org/pdf/1301.4625","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7200000286102295}],"awards":[{"id":"https://openalex.org/G611870384","display_name":null,"funder_award_id":"grant","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"},{"id":"https://openalex.org/G704546311","display_name":"Optimum cross-layer design in wireless communication systems with channel uncertainty","funder_award_id":"DP110102548","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"},{"id":"https://openalex.org/G8868304187","display_name":null,"funder_award_id":"DP11010254","funder_id":"https://openalex.org/F4320334704","funder_display_name":"Australian Research Council"}],"funders":[{"id":"https://openalex.org/F4320321040","display_name":"National Science Council","ror":"https://ror.org/02kv4zf79"},{"id":"https://openalex.org/F4320334704","display_name":"Australian Research Council","ror":"https://ror.org/05mmh0f86"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1556551509","https://openalex.org/W1568096262","https://openalex.org/W1965392255","https://openalex.org/W1986025628","https://openalex.org/W1992114448","https://openalex.org/W1996627633","https://openalex.org/W2007529001","https://openalex.org/W2046351805","https://openalex.org/W2064888236","https://openalex.org/W2072563372","https://openalex.org/W2080693943","https://openalex.org/W2100413560","https://openalex.org/W2105225341","https://openalex.org/W2106929598","https://openalex.org/W2108375586","https://openalex.org/W2108403327","https://openalex.org/W2112820013","https://openalex.org/W2114518213","https://openalex.org/W2117554000","https://openalex.org/W2120211641","https://openalex.org/W2120840124","https://openalex.org/W2125884950","https://openalex.org/W2125999125","https://openalex.org/W2130510547","https://openalex.org/W2131570846","https://openalex.org/W2133406100","https://openalex.org/W2134507395","https://openalex.org/W2135137654","https://openalex.org/W2136065248","https://openalex.org/W2138903952","https://openalex.org/W2144007657","https://openalex.org/W2145577744","https://openalex.org/W2151094148","https://openalex.org/W2152210713","https://openalex.org/W2155384626","https://openalex.org/W2163754837","https://openalex.org/W2170239150","https://openalex.org/W2170881451","https://openalex.org/W2171048418","https://openalex.org/W2171656554","https://openalex.org/W2550707103","https://openalex.org/W2949672874","https://openalex.org/W3139791466","https://openalex.org/W3148198191","https://openalex.org/W3179903767","https://openalex.org/W4210635432"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2030191005","https://openalex.org/W1865172210","https://openalex.org/W2027568561","https://openalex.org/W2790025453","https://openalex.org/W1521521035","https://openalex.org/W2145047504"],"abstract_inverted_index":{"This":[0,32],"work":[1,33],"examines":[2],"the":[3,11,36,64,71,80,95,101,117,124,129,149,168,176,217,229,235,249,254,263,274,283,291,296],"use":[4],"of":[5,49,113,119,152,170,234,265],"two-way":[6,171,200],"training":[7,81,125,172,182,255],"to":[8,85,92,127,157,180,184,270],"efficiently":[9],"discriminate":[10,93,289],"channel":[12,39,96,130,186,225,236,267,292],"estimation":[13,40,97,131,187,293],"performances":[14,98,299],"at":[15,106,133,188,238,277,300],"a":[16,26,87,143,199,271],"legitimate":[17],"receiver":[18,23],"(LR)":[19],"and":[20,51,67,83,108,178,193,198,243,257,302],"an":[21,245],"unauthorized":[22],"(UR)":[24],"in":[25,123,142,155],"multiple-input":[27],"multiple-output":[28],"(MIMO)":[29],"wireless":[30],"system.":[31],"improves":[34],"upon":[35],"original":[37],"discriminatory":[38],"(DCE)":[41],"scheme":[42,202],"proposed":[43,204,284],"by":[44,261],"Chang":[45],"where":[46,248],"multiple":[47],"stages":[48],"feedback":[50],"retraining":[52],"were":[53],"used.":[54],"While":[55],"most":[56],"studies":[57,75],"on":[58,70,76,79,148,161,228,273],"physical":[59],"layer":[60],"secrecy":[61],"are":[62,196],"under":[63],"information-theoretic":[65],"framework":[66],"focus":[68,78],"directly":[69],"data":[72,297],"transmission":[73],"phase,":[74],"DCE":[77,114,201,285],"phase":[82],"aim":[84],"provide":[86],"practical":[88],"signal":[89,104,126,256],"processing":[90],"technique":[91],"between":[94,253,290],"(and,":[99],"thus,":[100],"effective":[102],"received":[103],"qualities)":[105],"LR":[107,179,301],"UR.":[109,134,278,303],"A":[110],"key":[111],"feature":[112],"designs":[115],"is":[116,203,259],"insertion":[118],"artificial":[120],"noise":[121],"(AN)":[122],"degrade":[128],"performance":[132],"To":[135],"do":[136],"so,":[137],"AN":[138,258],"must":[139],"be":[140],"placed":[141],"carefully":[144],"chosen":[145],"subspace,":[146],"based":[147],"transmitter's":[150],"knowledge":[151],"LR's":[153,266],"channel,":[154],"order":[156],"minimize":[158],"its":[159],"effect":[160],"LR.":[162],"In":[163],"this":[164],"paper,":[165],"we":[166,211,241],"adopt":[167],"idea":[169],"that":[173,213,282],"allows":[174],"both":[175,189],"transmitter":[177],"send":[181],"signals":[183],"facilitate":[185],"ends.":[190],"Both":[191],"reciprocal":[192],"nonreciprocal":[194],"channels":[195],"considered":[197],"for":[205,224],"each":[206],"scenario.":[207],"For":[208],"mathematical":[209],"tractability,":[210],"assume":[212],"all":[214,239],"terminals":[215],"employ":[216],"linear":[218],"minimum":[219],"mean":[220,230],"square":[221,231],"error":[222,232],"criterion":[223],"estimation.":[226],"Based":[227],"(MSE)":[233],"estimates":[237],"terminals,":[240],"formulate":[242],"solve":[244],"optimization":[246],"problem":[247],"optimal":[250],"power":[251],"allocation":[252],"found":[260],"minimizing":[262],"MSE":[264,275],"estimate":[268],"subject":[269],"constraint":[272],"achievable":[276],"Numerical":[279],"results":[280],"show":[281],"schemes":[286],"can":[287],"effectively":[288],"and,":[294],"hence,":[295],"detection":[298]},"counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":15},{"year":2013,"cited_by_count":5}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
