{"id":"https://openalex.org/W2134455975","doi":"https://doi.org/10.1109/spawc.2015.7227114","title":"A novel relay-based interference alignment strategy for multi-user networks","display_name":"A novel relay-based interference alignment strategy for multi-user networks","publication_year":2015,"publication_date":"2015-06-01","ids":{"openalex":"https://openalex.org/W2134455975","doi":"https://doi.org/10.1109/spawc.2015.7227114","mag":"2134455975"},"language":"en","primary_location":{"id":"doi:10.1109/spawc.2015.7227114","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc.2015.7227114","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 16th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","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/A5056099520","display_name":"Yue Tian","orcid":"https://orcid.org/0000-0002-2046-6911"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Yue Tian","raw_affiliation_strings":["Faculty of Engineering, University of Bristol, UK","Center for Communication Research, Faculty of Engineering, University of Bristol, UK"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Center for Communication Research, Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081159321","display_name":"Mark A Beach","orcid":"https://orcid.org/0000-0002-6798-7001"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mark Beach","raw_affiliation_strings":["Faculty of Engineering, University of Bristol, UK","Center for Communication Research, Faculty of Engineering, University of Bristol, UK"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Center for Communication Research, Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111526903","display_name":"Andy Nix","orcid":null},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Andy Nix","raw_affiliation_strings":["Faculty of Engineering, University of Bristol, UK","Center for Communication Research, Faculty of Engineering, University of Bristol, UK"],"affiliations":[{"raw_affiliation_string":"Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Center for Communication Research, Faculty of Engineering, University of Bristol, UK","institution_ids":["https://openalex.org/I36234482"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056099520"],"corresponding_institution_ids":["https://openalex.org/I36234482"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.09026219,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":null,"first_page":"630","last_page":"634"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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":1.0,"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":0.9998999834060669,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9986000061035156,"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-state-information","display_name":"Channel state information","score":0.8934513330459595},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.8814135193824768},{"id":"https://openalex.org/keywords/interference-alignment","display_name":"Interference alignment","score":0.7489150762557983},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7331421971321106},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.7296719551086426},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6908241510391235},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6377464532852173},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.525974452495575},{"id":"https://openalex.org/keywords/ideal","display_name":"Ideal (ethics)","score":0.5103201270103455},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.4915853440761566},{"id":"https://openalex.org/keywords/degrees-of-freedom","display_name":"Degrees of freedom (physics and chemistry)","score":0.4546826183795929},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4232897162437439},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3503206670284271},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.336914598941803},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2656538486480713},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13088086247444153},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1042097806930542},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.10415402054786682},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07334765791893005},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.05795791745185852}],"concepts":[{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.8934513330459595},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8814135193824768},{"id":"https://openalex.org/C2982854036","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference alignment","level":4,"score":0.7489150762557983},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7331421971321106},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7296719551086426},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6908241510391235},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6377464532852173},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.525974452495575},{"id":"https://openalex.org/C2776639384","wikidata":"https://www.wikidata.org/wiki/Q840396","display_name":"Ideal (ethics)","level":2,"score":0.5103201270103455},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.4915853440761566},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.4546826183795929},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4232897162437439},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3503206670284271},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.336914598941803},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2656538486480713},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13088086247444153},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1042097806930542},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.10415402054786682},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07334765791893005},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.05795791745185852},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"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/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/spawc.2015.7227114","is_oa":false,"landing_page_url":"https://doi.org/10.1109/spawc.2015.7227114","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 16th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)","raw_type":"proceedings-article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire_cris_publications/d78617b0-e77e-4699-9426-2f496f58658d","is_oa":false,"landing_page_url":"https://hdl.handle.net/1983/d78617b0-e77e-4699-9426-2f496f58658d","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Tian, Y, Nix, A R & Beach, M A 2015, A Novel Relay-Based Interference Alignment Strategy for Multi-User Networks. in 16th IEEE International Workshop on Signal Processing Advances in Wireless Communications : IEEE SPAWC. Institute of Electrical and Electronics Engineers (IEEE), pp. 630. https://doi.org/10.1109/SPAWC.2015.7227114","raw_type":"contributionToPeriodical"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/d78617b0-e77e-4699-9426-2f496f58658d","is_oa":false,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/d78617b0-e77e-4699-9426-2f496f58658d","pdf_url":null,"source":{"id":"https://openalex.org/S7407055359","display_name":"Explore Bristol Research","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Tian, Y, Nix, A R & Beach, M A 2015, A Novel Relay-Based Interference Alignment Strategy for Multi-User Networks. in 16th IEEE International Workshop on Signal Processing Advances in Wireless Communications : IEEE SPAWC. Institute of Electrical and Electronics Engineers (IEEE), pp. 630. https://doi.org/10.1109/SPAWC.2015.7227114","raw_type":"contributionToPeriodical"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","score":0.699999988079071,"id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1967166971","https://openalex.org/W2016506370","https://openalex.org/W2092770264","https://openalex.org/W2104044096","https://openalex.org/W2108897727","https://openalex.org/W2124982134","https://openalex.org/W2145013959","https://openalex.org/W2162370583","https://openalex.org/W2171263842","https://openalex.org/W3105238962"],"related_works":["https://openalex.org/W2059045613","https://openalex.org/W4250215096","https://openalex.org/W2561242965","https://openalex.org/W2119209917","https://openalex.org/W2463175948","https://openalex.org/W2145047504","https://openalex.org/W2006290459","https://openalex.org/W2465954300","https://openalex.org/W4250958385","https://openalex.org/W2111349105"],"abstract_inverted_index":{"Interference":[0],"alignment":[1,69],"(IA)":[2],"is":[3,26,38,56,93,103,115],"a":[4,39,64],"transmission":[5],"strategy":[6],"that":[7],"use":[8],"channel":[9,55],"state":[10],"information":[11],"(CSI)":[12],"to":[13,74],"improve":[14],"the":[15,22,30,33,45,54,76,84,89,97,100,112,123,137],"capacity":[16],"of":[17,24,32,78,80],"multiuser":[18,85],"communication":[19],"systems.":[20],"However,":[21],"performance":[23],"IA":[25,144],"always":[27],"limited":[28],"by":[29,127],"accuracy":[31],"CSI.":[34],"In":[35,59,135],"particular,":[36],"this":[37,60],"problem":[40],"in":[41,118,129],"time-varying":[42],"channels,":[43],"as":[44],"CSI":[46],"at":[47],"transmitter":[48],"(CSIT)":[49],"may":[50],"become":[51],"outdated":[52],"when":[53,88],"changing":[57],"quickly.":[58],"study,":[61],"we":[62],"propose":[63],"novel":[65],"cooperative":[66],"relay-based":[67,140],"interference":[68],"(RIA)":[70],"scheme,":[71,99],"which":[72],"aims":[73],"increase":[75],"number":[77],"Degrees":[79],"Freedom":[81],"(DoF)":[82],"for":[83],"networks,":[86],"even":[87],"required":[90],"source-to-destination":[91],"CSIT":[92,109,120],"completely":[94],"outdated.":[95],"With":[96],"RIA":[98,113,128],"DoF":[101,125],"region":[102],"firstly":[104],"derived":[105],"under":[106],"an":[107],"ideal":[108],"case.":[110],"Then,":[111],"scheme":[114],"respectively":[116],"presented":[117],"non-ideal":[119,131],"cases.":[121],"Furthermore,":[122],"achievable":[124],"regions":[126],"these":[130],"cases":[132],"are":[133,146],"derived.":[134],"addition,":[136],"trade-off":[138],"between":[139],"and":[141],"non-relay":[142],"based":[143],"schemes":[145],"analysed.":[147]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}