{"id":"https://openalex.org/W2088081804","doi":"https://doi.org/10.1109/tsp.2011.2167618","title":"Distributed Beamforming for Multi-Group Multicasting Relay Networks","display_name":"Distributed Beamforming for Multi-Group Multicasting Relay Networks","publication_year":2011,"publication_date":"2011-09-21","ids":{"openalex":"https://openalex.org/W2088081804","doi":"https://doi.org/10.1109/tsp.2011.2167618","mag":"2088081804"},"language":"en","primary_location":{"id":"doi:10.1109/tsp.2011.2167618","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2011.2167618","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/A5031933258","display_name":"Nils Bornhorst","orcid":null},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Nils Bornhorst","raw_affiliation_strings":["Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001481378","display_name":"Marius Pesavento","orcid":"https://orcid.org/0000-0003-3395-2588"},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Marius Pesavento","raw_affiliation_strings":["Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108189473","display_name":"Alex B. Gershman","orcid":null},"institutions":[{"id":"https://openalex.org/I31512782","display_name":"Technische Universit\u00e4t Darmstadt","ror":"https://ror.org/05n911h24","country_code":"DE","type":"education","lineage":["https://openalex.org/I31512782"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alex B. Gershman","raw_affiliation_strings":["Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communication Systems Group, Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Commun. Syst. Group, Darmstadt Univ. of Technol., Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I31512782"],"apc_list":null,"apc_paid":null,"fwci":8.8172,"has_fulltext":false,"cited_by_count":96,"citation_normalized_percentile":{"value":0.97529195,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"60","issue":"1","first_page":"221","last_page":"232"},"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":0.9997000098228455,"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":0.9987999796867371,"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":0.8954334259033203},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.8028583526611328},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7395884990692139},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6751484870910645},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.44354817271232605},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42970070242881775},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.42306458950042725},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.418856143951416},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4124709963798523},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3789074122905731},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2718653678894043},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.26435428857803345},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17962852120399475}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8954334259033203},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.8028583526611328},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7395884990692139},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6751484870910645},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.44354817271232605},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42970070242881775},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.42306458950042725},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.418856143951416},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4124709963798523},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3789074122905731},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2718653678894043},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26435428857803345},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17962852120399475},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/tsp.2011.2167618","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsp.2011.2167618","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"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:64743","is_oa":false,"landing_page_url":"http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6016250","pdf_url":null,"source":{"id":"https://openalex.org/S4377196390","display_name":"TUbilio (Technical University of Darmstadt)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I31512782","host_organization_name":"Technische Universit\u00e4t Darmstadt","host_organization_lineage":["https://openalex.org/I31512782"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Artikel"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1545861347","https://openalex.org/W1981044874","https://openalex.org/W1997834106","https://openalex.org/W2020025991","https://openalex.org/W2048057186","https://openalex.org/W2098567664","https://openalex.org/W2105235982","https://openalex.org/W2107822629","https://openalex.org/W2118040894","https://openalex.org/W2119523314","https://openalex.org/W2127428366","https://openalex.org/W2129477191","https://openalex.org/W2132070196","https://openalex.org/W2142448896","https://openalex.org/W2145486800","https://openalex.org/W2148158411","https://openalex.org/W2152121970","https://openalex.org/W2167282237","https://openalex.org/W2169363112","https://openalex.org/W2296319761","https://openalex.org/W2912522929","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W2033488476","https://openalex.org/W1038122923","https://openalex.org/W1998322187","https://openalex.org/W2952514781","https://openalex.org/W2131092765","https://openalex.org/W1589992863","https://openalex.org/W3019210376","https://openalex.org/W2391145594","https://openalex.org/W2326572623"],"abstract_inverted_index":{"We":[0,174],"generalize":[1],"the":[2,24,57,71,105,115,159,168,177,199,204],"concept":[3],"of":[4,16,36,107,158,196],"multiuser":[5],"peer-to-peer":[6],"(MUP2P)":[7],"relay":[8,21,52,60,101,210],"networks,":[9],"whereKsource-destination":[10],"pairs":[11],"communicate":[12],"throughLrelays,":[13],"to":[14,33,41,55,63,93,97,135,167],"that":[15,176,190],"a":[17,34,42,78,155],"multi-group":[18],"multicasting":[19],"(MGM)":[20],"network.":[22],"In":[23,68],"MGM":[25,100,117],"scenario,":[26],"each":[27,120,153],"source":[28],"may":[29,111,123],"broadcast":[30],"its":[31],"message":[32],"group":[35,122],"multiple":[37],"users":[38],"rather":[39],"than":[40],"single":[43],"user":[44],"only.":[45],"Common":[46],"distributed":[47],"beamformer":[48],"designs":[49],"for":[50,114,208],"MUP2P":[51,209],"networks":[53,118],"aim":[54],"minimize":[56],"total":[58],"transmitted":[59],"power":[61],"subject":[62],"receiver":[64],"quality-of-service":[65],"(QoS)":[66],"constraints.":[67],"state-of-the-art":[69,205],"techniques,":[70],"resulting":[72],"nonconvex":[73],"problem":[74,140,161],"is":[75,82,162],"approximated":[76],"by":[77],"convex":[79,156],"one":[80],"which":[81],"efficiently":[83],"solvable":[84],"using":[85,184],"interior":[86],"point":[87],"methods.":[88],"These":[89],"techniques":[90],"are":[91],"shown":[92],"be":[94,112,181],"straightforwardly":[95],"extendable":[96],"more":[98,130,132],"general":[99],"networks.":[102,211],"However,":[103],"as":[104],"number":[106],"receivers":[108],"increases":[109],"(which":[110],"typical":[113],"proposed":[116,200],"where":[119,151],"multicast":[121],"contain":[124],"many":[125],"users),":[126],"these":[127],"approximations":[128],"become":[129],"and":[131,139,164],"inaccurate":[133],"leading":[134],"severe":[136],"performance":[137],"degradation":[138],"infeasibility.":[141],"To":[142],"avoid":[143],"this":[144,172],"drawback,":[145],"we":[146],"propose":[147],"an":[148],"iterative":[149],"method":[150,201],"in":[152,171,191],"iteration,":[154],"approximation":[157],"original":[160],"solved":[163],"then":[165],"adapted":[166],"solution":[169,179],"obtained":[170],"iteration.":[173],"show":[175,189],"approximate":[178],"can":[180],"successively":[182],"improved":[183],"such":[185],"iterations.":[186],"Simulation":[187],"results":[188],"scenarios":[192],"with":[193],"large":[194],"numbers":[195],"destination":[197],"users,":[198],"substantially":[202],"outperforms":[203],"methods":[206],"developed":[207]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":15},{"year":2016,"cited_by_count":15},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":9},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":9}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}
