{"id":"https://openalex.org/W2099692390","doi":"https://doi.org/10.1109/tsp.2011.2164910","title":"Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays","display_name":"Mitigation of Loopback Self-Interference in Full-Duplex MIMO Relays","publication_year":2011,"publication_date":"2011-08-16","ids":{"openalex":"https://openalex.org/W2099692390","doi":"https://doi.org/10.1109/tsp.2011.2164910","mag":"2099692390"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2011.2164910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2011.2164910","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":["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/A5088411256","display_name":"Taneli Riihonen","orcid":"https://orcid.org/0000-0001-5416-5263"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Taneli Riihonen","raw_affiliation_strings":["Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland"],"affiliations":[{"raw_affiliation_string":"Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059938646","display_name":"Stefan Werner","orcid":"https://orcid.org/0000-0003-0148-4724"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Stefan Werner","raw_affiliation_strings":["Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland"],"affiliations":[{"raw_affiliation_string":"Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036110624","display_name":"Risto Wichman","orcid":"https://orcid.org/0000-0002-5261-5037"},"institutions":[{"id":"https://openalex.org/I9927081","display_name":"Aalto University","ror":"https://ror.org/020hwjq30","country_code":"FI","type":"education","lineage":["https://openalex.org/I9927081"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Risto Wichman","raw_affiliation_strings":["Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland"],"affiliations":[{"raw_affiliation_string":"Department of Signal Processing and Acoustics, Aalto University School of Electrical Engineering, Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]},{"raw_affiliation_string":"Dept. of Signal Process. & Acoust., Aalto Univ., Aalto, Finland","institution_ids":["https://openalex.org/I9927081"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5088411256"],"corresponding_institution_ids":["https://openalex.org/I9927081"],"apc_list":null,"apc_paid":null,"fwci":38.8717,"has_fulltext":false,"cited_by_count":986,"citation_normalized_percentile":{"value":0.99867493,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"59","issue":"12","first_page":"5983","last_page":"5993"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12791","display_name":"Full-Duplex Wireless Communications","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/T12791","display_name":"Full-Duplex Wireless Communications","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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9872999787330627,"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/mimo","display_name":"MIMO","score":0.7501938343048096},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.632019579410553},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.6118588447570801},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5017268657684326},{"id":"https://openalex.org/keywords/spatial-filter","display_name":"Spatial filter","score":0.4798285961151123},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.4725855588912964},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.4592220187187195},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.4449983537197113},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.4445897340774536},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3887938857078552},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3798482418060303},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3634061813354492},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.33796700835227966},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.3232004642486572},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2947773337364197},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24244391918182373},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.1784731149673462},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14781257510185242},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07376629114151001}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7501938343048096},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.632019579410553},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.6118588447570801},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5017268657684326},{"id":"https://openalex.org/C121475858","wikidata":"https://www.wikidata.org/wiki/Q2735911","display_name":"Spatial filter","level":2,"score":0.4798285961151123},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.4725855588912964},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.4592220187187195},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.4449983537197113},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.4445897340774536},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3887938857078552},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3798482418060303},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3634061813354492},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.33796700835227966},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.3232004642486572},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2947773337364197},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24244391918182373},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.1784731149673462},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14781257510185242},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07376629114151001},{"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/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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":1,"locations":[{"id":"doi:10.1109/tsp.2011.2164910","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2011.2164910","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W294150","https://openalex.org/W1866358532","https://openalex.org/W1971536606","https://openalex.org/W1975843547","https://openalex.org/W2024607354","https://openalex.org/W2097742702","https://openalex.org/W2098567664","https://openalex.org/W2099857870","https://openalex.org/W2104542078","https://openalex.org/W2105380915","https://openalex.org/W2106160974","https://openalex.org/W2106801259","https://openalex.org/W2106829923","https://openalex.org/W2108051184","https://openalex.org/W2111352461","https://openalex.org/W2112507157","https://openalex.org/W2119280464","https://openalex.org/W2119588643","https://openalex.org/W2120403693","https://openalex.org/W2120949321","https://openalex.org/W2121916661","https://openalex.org/W2123581316","https://openalex.org/W2136877591","https://openalex.org/W2139550871","https://openalex.org/W2139602148","https://openalex.org/W2140126809","https://openalex.org/W2143459288","https://openalex.org/W2149098813","https://openalex.org/W2152732442","https://openalex.org/W2157506381","https://openalex.org/W2167282237","https://openalex.org/W2167447263","https://openalex.org/W2169159983","https://openalex.org/W6600008280","https://openalex.org/W6676779524","https://openalex.org/W6680371114","https://openalex.org/W6682747292"],"related_works":["https://openalex.org/W2803355823","https://openalex.org/W1529526802","https://openalex.org/W2122733739","https://openalex.org/W2393706176","https://openalex.org/W2100352632","https://openalex.org/W2019816104","https://openalex.org/W2473109616","https://openalex.org/W2964014267","https://openalex.org/W2020567727","https://openalex.org/W4234307581"],"abstract_inverted_index":{"Full-duplex":[0],"relaying":[1,8],"is":[2,14,21,128,172],"more":[3,99],"spectrally":[4],"efficient":[5],"than":[6,143],"half-duplex":[7],"as":[9],"only":[10],"one":[11],"channel":[12],"use":[13],"needed":[15],"per":[16],"two":[17],"hops.":[18],"However,":[19],"it":[20],"crucial":[22],"to":[23,27,97,121],"minimize":[24],"relay":[25,60],"self-interference":[26,182],"render":[28],"full":[29],"duplex":[30],"feasible.":[31],"For":[32],"this":[33],"purpose,":[34],"we":[35,151],"analyze":[36],"a":[37],"broad":[38],"range":[39],"of":[40,135,161,169,191],"multiple-input":[41],"multiple-output":[42],"(MIMO)":[43],"mitigation":[44,170],"schemes:":[45],"natural":[46],"isolation,":[47],"time-domain":[48],"cancellation,":[49,131],"and":[50,69,85,93,132,137,164,174],"spatial":[51,65,100],"suppression.":[52],"Cancellation":[53],"subtracts":[54],"replicated":[55],"interference":[56,149],"signal":[57,125],"from":[58],"the":[59,104,123,133,159,189],"input":[61],"while":[62],"suppression":[63,73],"reserves":[64],"dimensions":[66],"for":[67,107,130,155],"receive":[68,94],"transmit":[70,92],"filtering.":[71],"Spatial":[72],"can":[74,118,183],"be":[75,119,141,184],"achieved":[76],"by":[77,102,176],"antenna":[78],"subset":[79],"selection,":[80],"null-space":[81],"projection,":[82],"i.e.,":[83],"receiving":[84],"transmitting":[86],"in":[87,158,188],"orthogonal":[88],"subspaces,":[89],"or":[90],"joint":[91],"beam":[95],"selection":[96],"support":[98],"streams":[101],"choosing":[103],"minimum":[105,112],"eigenmodes":[106],"overlapping":[108],"subspaces.":[109],"In":[110],"addition,":[111],"mean":[113],"square":[114],"error":[115],"(MMSE)":[116],"filtering":[117],"employed":[120],"maintain":[122],"desired":[124],"quality,":[126],"which":[127],"inherent":[129],"combination":[134],"time-":[136],"spatial-domain":[138],"processing":[139],"may":[140],"better":[142],"either":[144],"alone.":[145],"Targeting":[146],"at":[147],"minimal":[148],"power,":[150],"solve":[152],"optimal":[153],"filters":[154],"each":[156],"scheme":[157],"cases":[160],"joint,":[162],"separate":[163],"independent":[165],"design.":[166],"The":[167,178],"performance":[168],"schemes":[171],"evaluated":[173],"compared":[175],"simulations.":[177],"results":[179],"confirm":[180],"that":[181],"mitigated":[185],"effectively":[186],"also":[187],"presence":[190],"imperfect":[192],"side":[193],"information.":[194]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":19},{"year":2024,"cited_by_count":32},{"year":2023,"cited_by_count":38},{"year":2022,"cited_by_count":49},{"year":2021,"cited_by_count":54},{"year":2020,"cited_by_count":84},{"year":2019,"cited_by_count":76},{"year":2018,"cited_by_count":113},{"year":2017,"cited_by_count":146},{"year":2016,"cited_by_count":126},{"year":2015,"cited_by_count":101},{"year":2014,"cited_by_count":80},{"year":2013,"cited_by_count":40},{"year":2012,"cited_by_count":21}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
