{"id":"https://openalex.org/W2541915923","doi":"https://doi.org/10.1109/ants.2014.7057242","title":"Opportunistic interference alignment in cognitive multi-user MIMO relay networks","display_name":"Opportunistic interference alignment in cognitive multi-user MIMO relay networks","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W2541915923","doi":"https://doi.org/10.1109/ants.2014.7057242","mag":"2541915923"},"language":"en","primary_location":{"id":"doi:10.1109/ants.2014.7057242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ants.2014.7057242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS)","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/A5025826032","display_name":"Manish Mandloi","orcid":"https://orcid.org/0000-0002-3008-7042"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Manish Mandloi","raw_affiliation_strings":["Discipline of Electrical Engineering, Indian Institute of Technology Indore, Madhya Pradesh, India"],"affiliations":[{"raw_affiliation_string":"Discipline of Electrical Engineering, Indian Institute of Technology Indore, Madhya Pradesh, India","institution_ids":["https://openalex.org/I64295750"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050580025","display_name":"Vimal Bhatia","orcid":"https://orcid.org/0000-0001-5148-6643"},"institutions":[{"id":"https://openalex.org/I64295750","display_name":"Indian Institute of Technology Indore","ror":"https://ror.org/01hhf7w52","country_code":"IN","type":"education","lineage":["https://openalex.org/I64295750"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Vimal Bhatia","raw_affiliation_strings":["Discipline of Electrical Engineering, Indian Institute of Technology Indore, Madhya Pradesh, India"],"affiliations":[{"raw_affiliation_string":"Discipline of Electrical Engineering, Indian Institute of Technology Indore, Madhya Pradesh, India","institution_ids":["https://openalex.org/I64295750"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5025826032"],"corresponding_institution_ids":["https://openalex.org/I64295750"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.32295854,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"6","issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991000294685364,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9988999962806702,"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/relay","display_name":"Relay","score":0.8630489110946655},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.684320867061615},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6610855460166931},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6363431811332703},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6166195869445801},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.565824568271637},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.5380076766014099},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5192244648933411},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5009117126464844},{"id":"https://openalex.org/keywords/linear-network-coding","display_name":"Linear network coding","score":0.4976826012134552},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.47943490743637085},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.46816158294677734},{"id":"https://openalex.org/keywords/dirty-paper-coding","display_name":"Dirty paper coding","score":0.4101189076900482},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.39320480823516846},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.38834118843078613},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2603132724761963},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.17554867267608643},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.15708166360855103},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15219593048095703},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11716127395629883},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07041499018669128}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8630489110946655},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.684320867061615},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6610855460166931},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6363431811332703},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6166195869445801},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.565824568271637},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.5380076766014099},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5192244648933411},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5009117126464844},{"id":"https://openalex.org/C138293262","wikidata":"https://www.wikidata.org/wiki/Q1089578","display_name":"Linear network coding","level":3,"score":0.4976826012134552},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.47943490743637085},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.46816158294677734},{"id":"https://openalex.org/C2780186295","wikidata":"https://www.wikidata.org/wiki/Q3305007","display_name":"Dirty paper coding","level":5,"score":0.4101189076900482},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.39320480823516846},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.38834118843078613},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2603132724761963},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.17554867267608643},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.15708166360855103},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15219593048095703},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11716127395629883},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07041499018669128},{"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ants.2014.7057242","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ants.2014.7057242","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Advanced Networks and Telecommuncations Systems (ANTS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7599999904632568,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1530386473","https://openalex.org/W1667950888","https://openalex.org/W1939071182","https://openalex.org/W1979408141","https://openalex.org/W2060786770","https://openalex.org/W2071707134","https://openalex.org/W2083393700","https://openalex.org/W2096231713","https://openalex.org/W2100810761","https://openalex.org/W2117467765","https://openalex.org/W2119242069","https://openalex.org/W2130509920","https://openalex.org/W2136556242","https://openalex.org/W2139960897","https://openalex.org/W2153090463","https://openalex.org/W2163844889","https://openalex.org/W2166490770","https://openalex.org/W2167357515","https://openalex.org/W2168095411","https://openalex.org/W2169632208","https://openalex.org/W2210514616","https://openalex.org/W2599614266","https://openalex.org/W3215058120","https://openalex.org/W6682468974","https://openalex.org/W6735258008"],"related_works":["https://openalex.org/W2103160470","https://openalex.org/W2983013200","https://openalex.org/W2481962518","https://openalex.org/W2370616926","https://openalex.org/W2042313882","https://openalex.org/W2151578621","https://openalex.org/W2734897793","https://openalex.org/W2162315094","https://openalex.org/W3192916075","https://openalex.org/W2156185504"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"present":[4],"an":[5],"opportunistic":[6],"interference":[7,68,172],"alignment":[8],"(IA)":[9],"scheme":[10,53],"for":[11,45,88,158,205],"cognitive":[12],"multi-user":[13],"(MU)":[14],"multiple-input":[15],"multiple-output":[16],"(MIMO)":[17],"relay":[18,24,44,150,188],"networks.":[19],"We":[20,125,152],"consider":[21],"a":[22,42,154,192],"secondary":[23,54,105,108,145,165,183,186,207],"network":[25],"with":[26,47],"2":[27],"K":[28],"communicating":[29,46],"nodes":[30,40],"without":[31,65],"direct":[32],"link":[33],"between":[34],"any":[35,67],"two":[36],"nodes,":[37],"and":[38,139,148,160,185],"hence,":[39],"use":[41],"common":[43],"each":[48],"other.":[49],"Using":[50],"the":[51,58,70,76,83,128,144,149,164,171,174,180,199,206],"proposed":[52,168],"user":[55,78,176],"opportunistically":[56],"accesses":[57],"primary":[59,71,77,175],"users'":[60],"resources":[61],"(i.e.":[62],"frequency":[63],"band)":[64],"causing":[66],"to":[69,136,179],"user.":[72],"The":[73,96,107,167],"rate":[74,204],"of":[75,130,201],"is":[79],"maximized":[80],"by":[81,104],"using":[82],"well":[84],"known":[85],"water-filling":[86],"algorithm":[87],"optimal":[89],"power":[90],"allocation":[91],"on":[92,173],"channel's":[93],"singular":[94,98,117],"modes.":[95],"unused":[97,116],"modes":[99,118],"can":[100,110],"then":[101],"be":[102],"utilized":[103],"users.":[106],"users":[109],"align":[111],"their":[112],"transmission":[113,181,194],"in":[114,121],"these":[115],"which":[119],"results":[120],"spectrally":[122],"efficient":[123],"communication.":[124],"assume":[126],"that":[127],"number":[129],"antennas":[131],"available":[132],"are":[133],"not":[134],"sufficient":[135],"perform":[137],"transmit":[138],"receive":[140],"zero-forcing":[141],"(ZF)":[142],"at":[143,163],"transmitter,":[146],"receiver":[147],"node.":[151],"propose":[153],"closed":[155],"form":[156],"solution":[157,169],"pre-coding":[159],"post-coding":[161],"matrices":[162],"nodes.":[166],"nullifies":[170],"caused":[177],"due":[178],"from":[182],"transmitter":[184],"networks'":[187],"node":[189],"whilst":[190],"achieving":[191],"non-zero":[193],"rate.":[195],"Simulation":[196],"result":[197],"shows":[198],"achievability":[200],"significant":[202],"sum":[203],"network.":[208]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}