{"id":"https://openalex.org/W2002467863","doi":"https://doi.org/10.1109/isit.2013.6620292","title":"Feasibility conditions of interference alignment via two orthogonal subcarriers","display_name":"Feasibility conditions of interference alignment via two orthogonal subcarriers","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2002467863","doi":"https://doi.org/10.1109/isit.2013.6620292","mag":"2002467863"},"language":"en","primary_location":{"id":"doi:10.1109/isit.2013.6620292","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2013.6620292","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Information Theory","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/A5048256950","display_name":"Stefan Dierks","orcid":"https://orcid.org/0000-0003-3142-0967"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Stefan Dierks","raw_affiliation_strings":["Institute for Communications Engineering, Technische Universit\u00e4t M\u00fcnchen, Munich, Germany","Inst. for Commun. Eng., Tech. Univ. Munchen, Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Communications Engineering, Technische Universit\u00e4t M\u00fcnchen, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Inst. for Commun. Eng., Tech. Univ. Munchen, Munich, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047591578","display_name":"Gerhard Kramer","orcid":"https://orcid.org/0000-0002-3904-9181"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gerhard Kramer","raw_affiliation_strings":["Institute for Communications Engineering, Technische Universit\u00e4t M\u00fcnchen, Munich, Germany","Inst. for Commun. Eng., Tech. Univ. Munchen, Munich, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Communications Engineering, Technische Universit\u00e4t M\u00fcnchen, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Inst. for Commun. Eng., Tech. Univ. Munchen, Munich, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053105402","display_name":"Wolfgang Zirwas","orcid":null},"institutions":[{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]},{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]},{"id":"https://openalex.org/I63162264","display_name":"Nokia (Australia)","ror":"https://ror.org/05f2ewd15","country_code":"AU","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I63162264"]}],"countries":["AU","DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Zirwas","raw_affiliation_strings":["Nokia Siemens Networks, Munich, Germany","[Nokia Siemens Networks, Munich, Germany]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nokia Siemens Networks, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]},{"raw_affiliation_string":"[Nokia Siemens Networks, Munich, Germany]","institution_ids":["https://openalex.org/I63162264"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4801,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.68501368,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"579","last_page":"583"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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":0.9995999932289124,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8079915046691895},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.7730473875999451},{"id":"https://openalex.org/keywords/interference-alignment","display_name":"Interference alignment","score":0.7459480166435242},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5645713806152344},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5626419186592102},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5377618670463562},{"id":"https://openalex.org/keywords/orthogonality","display_name":"Orthogonality","score":0.5187540054321289},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.48883575201034546},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4843122065067291},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.45714476704597473},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.447584331035614},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.42541244626045227},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3755344748497009},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.36947792768478394},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3451615571975708},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.24761751294136047},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18533244729042053},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.1518898904323578},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.13953426480293274},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.12552392482757568},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.10021725296974182}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8079915046691895},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.7730473875999451},{"id":"https://openalex.org/C2982854036","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference alignment","level":4,"score":0.7459480166435242},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5645713806152344},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5626419186592102},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5377618670463562},{"id":"https://openalex.org/C17137986","wikidata":"https://www.wikidata.org/wiki/Q215067","display_name":"Orthogonality","level":2,"score":0.5187540054321289},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.48883575201034546},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4843122065067291},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.45714476704597473},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.447584331035614},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.42541244626045227},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3755344748497009},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.36947792768478394},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3451615571975708},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.24761751294136047},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18533244729042053},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.1518898904323578},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.13953426480293274},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.12552392482757568},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.10021725296974182},{"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/isit.2013.6620292","is_oa":false,"landing_page_url":"https://doi.org/10.1109/isit.2013.6620292","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE International Symposium on Information Theory","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.7699999809265137}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1979408141","https://openalex.org/W1989498245","https://openalex.org/W2098363461","https://openalex.org/W2121695154","https://openalex.org/W2544614086","https://openalex.org/W2599614266","https://openalex.org/W4205417298","https://openalex.org/W4236113353"],"related_works":["https://openalex.org/W2157458786","https://openalex.org/W1995014228","https://openalex.org/W2049158616","https://openalex.org/W2037307649","https://openalex.org/W4300895095","https://openalex.org/W2001904840","https://openalex.org/W2963438473","https://openalex.org/W2171681635","https://openalex.org/W2015991355","https://openalex.org/W2394963300"],"abstract_inverted_index":{"Conditions":[0],"are":[1],"derived":[2],"on":[3,47],"the":[4,27,48],"interference":[5,51],"channel":[6],"with":[7,14],"single-antenna":[8],"nodes":[9],"to":[10],"achieve":[11],"maximal":[12],"degrees-of-freedom":[13],"only":[15,26],"two":[16,30],"symbol":[17],"extensions.":[18],"The":[19],"conditions":[20],"for":[21],"line-of-sight":[22],"channels":[23],"involve":[24],"choosing":[25],"spacing":[28],"between":[29],"subcarriers":[31],"of":[32,50],"an":[33,44],"orthogonal":[34],"frequency":[35],"division":[36],"multiplexing":[37],"(OFDM)":[38],"scheme.":[39],"For":[40],"3":[41],"user":[42],"pairs":[43],"upper":[45],"bound":[46],"sum-rate":[49],"alignment":[52],"is":[53],"approached":[54],"arbitrarily":[55],"closely.":[56]},"counts_by_year":[{"year":2014,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}