{"id":"https://openalex.org/W2058661360","doi":"https://doi.org/10.1109/tsp.2012.2232656","title":"Downlink Precoder Design for Coordinated Regenerative Multi-User Relaying","display_name":"Downlink Precoder Design for Coordinated Regenerative Multi-User Relaying","publication_year":2012,"publication_date":"2012-12-06","ids":{"openalex":"https://openalex.org/W2058661360","doi":"https://doi.org/10.1109/tsp.2012.2232656","mag":"2058661360"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2012.2232656","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2012.2232656","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/A5032476742","display_name":"Jarkko Kaleva","orcid":"https://orcid.org/0000-0003-4859-0006"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Jarkko Kaleva","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland","Centre for Wireless Communication, University of Oulu, Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communication, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066526702","display_name":"Antti T\u00f6lli","orcid":null},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Antti Tolli","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland","Centre for Wireless Communication, University of Oulu, Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communication, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012684035","display_name":"Ganesh Venkatraman","orcid":"https://orcid.org/0000-0003-3073-7997"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Ganesh Venkatraman","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland","Centre for Wireless Communication, University of Oulu, Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communication, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029534229","display_name":"Markku Juntti","orcid":"https://orcid.org/0000-0002-5413-1896"},"institutions":[{"id":"https://openalex.org/I98381234","display_name":"University of Oulu","ror":"https://ror.org/03yj89h83","country_code":"FI","type":"education","lineage":["https://openalex.org/I98381234"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Markku Juntti","raw_affiliation_strings":["Centre for Wireless Communications, University of Oulu, Finland","Centre for Wireless Communication, University of Oulu, Oulu, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for Wireless Communications, University of Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]},{"raw_affiliation_string":"Centre for Wireless Communication, University of Oulu, Oulu, Finland","institution_ids":["https://openalex.org/I98381234"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I98381234"],"apc_list":null,"apc_paid":null,"fwci":2.9045,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.91335319,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"61","issue":"5","first_page":"1215","last_page":"1229"},"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9994999766349792,"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/T10148","display_name":"Advanced MIMO Systems Optimization","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/computer-science","display_name":"Computer science","score":0.7677019238471985},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6822831630706787},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6799015998840332},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.6630487442016602},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6228469610214233},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5718441009521484},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5560483336448669},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5186507105827332},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4793744385242462},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.46624842286109924},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.4546830654144287},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4520544409751892},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.4417017102241516},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.42684927582740784},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.41666266322135925},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.3544686436653137},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.23238685727119446},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.18816804885864258},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15149953961372375},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.1037796139717102},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.1012851893901825}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7677019238471985},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6822831630706787},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6799015998840332},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6630487442016602},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6228469610214233},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5718441009521484},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5560483336448669},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5186507105827332},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4793744385242462},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.46624842286109924},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.4546830654144287},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4520544409751892},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.4417017102241516},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.42684927582740784},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.41666266322135925},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.3544686436653137},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.23238685727119446},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.18816804885864258},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15149953961372375},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.1037796139717102},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.1012851893901825},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tsp.2012.2232656","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2012.2232656","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":[{"display_name":"Affordable and clean energy","score":0.6100000143051147,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W1545861347","https://openalex.org/W1919846929","https://openalex.org/W1970830346","https://openalex.org/W1985587472","https://openalex.org/W2015794320","https://openalex.org/W2034771294","https://openalex.org/W2097742702","https://openalex.org/W2098567664","https://openalex.org/W2098988750","https://openalex.org/W2099119507","https://openalex.org/W2100704214","https://openalex.org/W2100755644","https://openalex.org/W2101092011","https://openalex.org/W2103126370","https://openalex.org/W2106801259","https://openalex.org/W2109005286","https://openalex.org/W2118069898","https://openalex.org/W2118356983","https://openalex.org/W2118702395","https://openalex.org/W2120403693","https://openalex.org/W2120840652","https://openalex.org/W2121342401","https://openalex.org/W2121916661","https://openalex.org/W2122568856","https://openalex.org/W2123438559","https://openalex.org/W2129502727","https://openalex.org/W2136215137","https://openalex.org/W2139311918","https://openalex.org/W2139337409","https://openalex.org/W2144000019","https://openalex.org/W2148963518","https://openalex.org/W2152121970","https://openalex.org/W2155174176","https://openalex.org/W2155650357","https://openalex.org/W2156501366","https://openalex.org/W2161036183","https://openalex.org/W2161473225","https://openalex.org/W2163762663","https://openalex.org/W2167447263","https://openalex.org/W2168746873","https://openalex.org/W2169467056","https://openalex.org/W2170090478","https://openalex.org/W2478503558","https://openalex.org/W4250589301","https://openalex.org/W6681297494","https://openalex.org/W6685086234"],"related_works":["https://openalex.org/W2018468199","https://openalex.org/W2124240980","https://openalex.org/W2519403816","https://openalex.org/W2138759004","https://openalex.org/W2606858825","https://openalex.org/W2292005531","https://openalex.org/W2003870685","https://openalex.org/W2533637577","https://openalex.org/W4232438839","https://openalex.org/W3157321018"],"abstract_inverted_index":{"Relays":[0],"are":[1,72,90,96,110],"used":[2],"in":[3,42],"the":[4,10,20,25,36,44,47,51,59,68,84,88],"current":[5],"wireless":[6],"standards":[7],"to":[8,50,117],"enhance":[9],"cell":[11],"throughput":[12,101],"and":[13,80,87,100,122,129],"coverage.":[14],"In":[15],"this":[16],"paper,":[17],"we":[18,131],"evaluate":[19],"system":[21],"performance":[22],"by":[23,146],"considering":[24],"duplexing":[26],"loss":[27],"with":[28,33,46],"over-the-air":[29],"transmission":[30,52],"for":[31],"relay":[32,45,89],"decode-and-forward":[34],"as":[35],"relaying":[37],"protocol.":[38],"The":[39,92],"overhead":[40],"involved":[41],"providing":[43,147],"data":[48],"prior":[49],"is":[53,115],"often":[54],"neglected.":[55],"We":[56,141],"demonstrate":[57],"that":[58],"impact":[60],"of":[61,104],"relays":[62],"can":[63],"be":[64],"even":[65],"detrimental":[66],"if":[67],"in-band":[69],"signaling":[70,124],"needs":[71],"not":[73],"properly":[74],"accounted":[75],"for.":[76],"Both":[77],"precoder":[78,93,113],"design":[79,94,114],"user":[81,144],"allocation":[82,145,149],"between":[83],"base":[85],"station":[86],"considered.":[91,111],"objectives":[95],"transmit":[97],"power":[98],"minimization":[99],"maximization":[102],"each":[103],"which":[105,135],"two":[106],"different":[107],"precoding":[108],"approaches":[109],"Zero-forcing":[112],"proposed":[116],"achieve":[118],"reduced":[119],"computation":[120],"complexity":[121],"low":[123],"overhead.":[125],"For":[126],"higher":[127],"efficiency":[128],"performance,":[130],"provide":[132],"coordinated":[133],"solutions,":[134],"allow":[136],"more":[137],"flexible":[138],"interference":[139],"control.":[140],"also":[142],"consider":[143],"heuristic":[148],"methods.":[150]},"counts_by_year":[{"year":2020,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}