{"id":"https://openalex.org/W2012998414","doi":"https://doi.org/10.1109/tvt.2012.2236660","title":"Uplink Interference Alignment for Two-Cell MIMO Interference Channels","display_name":"Uplink Interference Alignment for Two-Cell MIMO Interference Channels","publication_year":2012,"publication_date":"2012-12-27","ids":{"openalex":"https://openalex.org/W2012998414","doi":"https://doi.org/10.1109/tvt.2012.2236660","mag":"2012998414"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2012.2236660","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2012.2236660","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","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/A5063848301","display_name":"Kyungchun Lee","orcid":"https://orcid.org/0000-0002-4070-549X"},"institutions":[{"id":"https://openalex.org/I118373667","display_name":"Seoul National University of Science and Technology","ror":"https://ror.org/00chfja07","country_code":"KR","type":"education","lineage":["https://openalex.org/I118373667"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kyungchun Lee","raw_affiliation_strings":["Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul, South Korea","Department of Electrical and Information Engineering., Seoul National University of Science and Technology, Seoul, Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul, South Korea","institution_ids":["https://openalex.org/I118373667"]},{"raw_affiliation_string":"Department of Electrical and Information Engineering., Seoul National University of Science and Technology, Seoul, Korea","institution_ids":["https://openalex.org/I118373667"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5063848301"],"corresponding_institution_ids":["https://openalex.org/I118373667"],"apc_list":null,"apc_paid":null,"fwci":3.4067,"has_fulltext":false,"cited_by_count":28,"citation_normalized_percentile":{"value":0.92354935,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"62","issue":"4","first_page":"1861","last_page":"1865"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10069","display_name":"Antenna Design and Analysis","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9991999864578247,"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/interference","display_name":"Interference (communication)","score":0.7857950925827026},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7807996273040771},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7014754414558411},{"id":"https://openalex.org/keywords/interference-alignment","display_name":"Interference alignment","score":0.6992239356040955},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.6032869815826416},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5753599405288696},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5615862607955933},{"id":"https://openalex.org/keywords/co-channel-interference","display_name":"Co-channel interference","score":0.49939942359924316},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4883560836315155},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.47609150409698486},{"id":"https://openalex.org/keywords/adjacent-channel-interference","display_name":"Adjacent-channel interference","score":0.4697340428829193},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.42553389072418213},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.369728147983551},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.2735850214958191},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2508520483970642},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23796555399894714},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2077549397945404},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11503750085830688}],"concepts":[{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.7857950925827026},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7807996273040771},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7014754414558411},{"id":"https://openalex.org/C2982854036","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference alignment","level":4,"score":0.6992239356040955},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.6032869815826416},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5753599405288696},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5615862607955933},{"id":"https://openalex.org/C6532628","wikidata":"https://www.wikidata.org/wiki/Q5137431","display_name":"Co-channel interference","level":4,"score":0.49939942359924316},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4883560836315155},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.47609150409698486},{"id":"https://openalex.org/C134222854","wikidata":"https://www.wikidata.org/wiki/Q4683140","display_name":"Adjacent-channel interference","level":4,"score":0.4697340428829193},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.42553389072418213},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.369728147983551},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.2735850214958191},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2508520483970642},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23796555399894714},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2077549397945404},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11503750085830688},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2012.2236660","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2012.2236660","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.7599999904632568,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1519695362","https://openalex.org/W1548250475","https://openalex.org/W1979408141","https://openalex.org/W2012454404","https://openalex.org/W2106549261","https://openalex.org/W2139960897","https://openalex.org/W2151185145","https://openalex.org/W2153444842","https://openalex.org/W2162370583","https://openalex.org/W2164168142","https://openalex.org/W2167357515","https://openalex.org/W2533153119","https://openalex.org/W6632832021"],"related_works":["https://openalex.org/W1984684938","https://openalex.org/W1555606283","https://openalex.org/W1964136188","https://openalex.org/W2172261594","https://openalex.org/W2139960897","https://openalex.org/W2582167619","https://openalex.org/W2332720720","https://openalex.org/W1965847020","https://openalex.org/W2201797992","https://openalex.org/W2139688272"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,21],"present":[4],"uplink":[5],"interference":[6,29],"alignment":[7],"(IA)":[8],"schemes":[9],"for":[10,26,65],"two-cell":[11,47,67],"multiple-input-multiple-output":[12],"(MIMO)":[13],"channels.":[14],"Assuming":[15],"that":[16,78,86],"each":[17],"cell":[18],"hasKinterfering":[19],"users,":[20],"propose":[22],"an":[23],"IA":[24,84],"scheme":[25,42,91],"the":[27,34,55,66,80,83,88],"full":[28],"channel":[30,49,69],"(FIC)":[31],"and":[32,73,85],"derive":[33],"achievable":[35,63],"degrees":[36],"of":[37,54,79,87],"freedom":[38],"(DOFs).":[39],"The":[40,62],"proposed":[41],"is":[43,58,70,75],"extended":[44],"to":[45,60],"a":[46],"Z-interference":[48],"(ZIC),":[50],"where":[51],"only":[52],"one":[53],"two":[56],"cells":[57],"subject":[59],"interference.":[61],"DOF":[64],"ZIC":[68],"also":[71],"derived,":[72],"it":[74],"compared":[76],"with":[77,82],"FIC":[81],"conventional":[89],"orthogonal":[90],"based":[92],"on":[93],"numerical":[94],"results.":[95]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":4}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}