{"id":"https://openalex.org/W2024612553","doi":"https://doi.org/10.1109/camsap.2011.6135989","title":"Orthogonalization techniques for single group multicasting in cooperative amplify-and-forward networks","display_name":"Orthogonalization techniques for single group multicasting in cooperative amplify-and-forward networks","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2024612553","doi":"https://doi.org/10.1109/camsap.2011.6135989","mag":"2024612553"},"language":"en","primary_location":{"id":"doi:10.1109/camsap.2011.6135989","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2011.6135989","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5100712181","display_name":"Ahmed Abdelkader","orcid":"https://orcid.org/0009-0009-2467-2040"},"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":"A. Abdelkader","raw_affiliation_strings":["Darmstadt University of Technology, Darmstadt, Germany","Darmstadt University of Technology, D-64283, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Darmstadt University of Technology, D-64283, 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":"M. Pesavento","raw_affiliation_strings":["Darmstadt University of Technology, Darmstadt, Germany","Darmstadt University of Technology, D-64283, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Darmstadt University of Technology, D-64283, Germany","institution_ids":["https://openalex.org/I31512782"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108189772","display_name":"A.B. Gershman","orcid":"https://orcid.org/0000-0002-7254-3229"},"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":"A. B. Gershman","raw_affiliation_strings":["Darmstadt University of Technology, Darmstadt, Germany","Darmstadt University of Technology, D-64283, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Darmstadt University of Technology, Darmstadt, Germany","institution_ids":["https://openalex.org/I31512782"]},{"raw_affiliation_string":"Darmstadt University of Technology, D-64283, 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":0.572,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.58050786,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"225","last_page":"228"},"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":0.9998000264167786,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","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/orthogonalization","display_name":"Orthogonalization","score":0.8275859355926514},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7364137768745422},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6780282258987427},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.6573470234870911},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6371064186096191},{"id":"https://openalex.org/keywords/multicast","display_name":"Multicast","score":0.6263514161109924},{"id":"https://openalex.org/keywords/broadcasting","display_name":"Broadcasting (networking)","score":0.6225411295890808},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5727344155311584},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.549460232257843},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5074905753135681},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47041991353034973},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4620821475982666},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38057976961135864},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3135550618171692},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26071006059646606},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2118719220161438},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.18273881077766418},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15632358193397522}],"concepts":[{"id":"https://openalex.org/C47559304","wikidata":"https://www.wikidata.org/wiki/Q1702189","display_name":"Orthogonalization","level":2,"score":0.8275859355926514},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7364137768745422},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6780282258987427},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.6573470234870911},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6371064186096191},{"id":"https://openalex.org/C32295351","wikidata":"https://www.wikidata.org/wiki/Q899288","display_name":"Multicast","level":2,"score":0.6263514161109924},{"id":"https://openalex.org/C110157686","wikidata":"https://www.wikidata.org/wiki/Q922122","display_name":"Broadcasting (networking)","level":2,"score":0.6225411295890808},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5727344155311584},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.549460232257843},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5074905753135681},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47041991353034973},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4620821475982666},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38057976961135864},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3135550618171692},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26071006059646606},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2118719220161438},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.18273881077766418},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15632358193397522},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/camsap.2011.6135989","is_oa":false,"landing_page_url":"https://doi.org/10.1109/camsap.2011.6135989","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 4th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)","raw_type":"proceedings-article"},{"id":"pmh:oai:tubiblio.ulb.tu-darmstadt.de:64707","is_oa":false,"landing_page_url":"http://tubiblio.ulb.tu-darmstadt.de/64707/","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":"Konferenzver\u00f6ffentlichung"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4300000071525574,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1981044874","https://openalex.org/W2048057186","https://openalex.org/W2100177358","https://openalex.org/W2101807231","https://openalex.org/W2112012113","https://openalex.org/W2119536915","https://openalex.org/W2132070196","https://openalex.org/W2142557773","https://openalex.org/W6676700196"],"related_works":["https://openalex.org/W2005349189","https://openalex.org/W1965163197","https://openalex.org/W129617223","https://openalex.org/W2386892378","https://openalex.org/W2949490341","https://openalex.org/W2088352174","https://openalex.org/W4286695888","https://openalex.org/W3084132786","https://openalex.org/W4327661444","https://openalex.org/W2034991012"],"abstract_inverted_index":{"We":[0,58],"consider":[1],"the":[2,43,48,60,67,81,85,91,102],"problem":[3,83],"of":[4,26,55,69,90,118],"distributed":[5],"beamforming":[6,39],"in":[7,66,84],"amplify-and-forward":[8],"(AF)":[9],"relay":[10],"networks":[11],"for":[12],"single-group":[13],"multicasting,":[14],"where":[15],"a":[16,24,36,115],"single":[17],"transmitter":[18],"sends":[19],"common":[20],"information":[21,77],"symbols":[22],"to":[23,34,41,51,79,111],"group":[25],"users":[27],"via":[28],"cooperating":[29],"relays.":[30],"The":[31],"objective":[32],"is":[33],"design":[35],"computationally":[37],"efficient":[38],"scheme":[40],"minimize":[42],"total":[44],"transmitted":[45],"power":[46],"at":[47],"relays":[49],"subject":[50],"quality-of-service":[52],"(QoS)":[53],"constraints":[54],"all":[56],"users.":[57],"extend":[59],"simple":[61],"orthogonalization":[62],"techniques,":[63],"originally":[64],"developed":[65],"context":[68],"conventional":[70],"broadcasting":[71],"systems":[72],"with":[73],"instantaneous":[74],"channel":[75,92],"state":[76],"(CSI)":[78],"solve":[80],"present":[82],"case":[86],"when":[87],"second-order":[88],"statistics":[89],"are":[93],"available.":[94],"Simulation":[95],"results":[96],"show":[97],"that":[98],"our":[99],"technique":[100,105],"outperforms":[101],"popular":[103],"SDR-based":[104],"and":[106],"provides":[107],"an":[108],"excellent":[109],"performance":[110],"complexity":[112],"trade-off":[113],"over":[114],"large":[116],"range":[117],"QoS":[119],"constraint":[120],"thresholds.":[121]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}