{"id":"https://openalex.org/W2543925379","doi":"https://doi.org/10.1109/acssc.2011.6190179","title":"Energy-efficient MMSE beamforming and power allocation in multibeam satellite systems","display_name":"Energy-efficient MMSE beamforming and power allocation in multibeam satellite systems","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W2543925379","doi":"https://doi.org/10.1109/acssc.2011.6190179","mag":"2543925379"},"language":"en","primary_location":{"id":"doi:10.1109/acssc.2011.6190179","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2011.6190179","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)","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/A5016154330","display_name":"Symeon Chatzinotas","orcid":"https://orcid.org/0000-0001-5122-0001"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["SnT-securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024123401","display_name":"Gan Zheng","orcid":"https://orcid.org/0000-0001-8457-6477"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Gan Zheng","raw_affiliation_strings":["SnT-securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080037825","display_name":"Bj\u00f6rn Ottersten","orcid":"https://orcid.org/0000-0003-2298-6774"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]},{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU","SE"],"is_corresponding":false,"raw_author_name":"Bjorn Ottersten","raw_affiliation_strings":["Royal Institute of Technology, Sweden","SnT-securityandtrust.lu, University of Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Royal Institute of Technology, Sweden","institution_ids":["https://openalex.org/I86987016"]},{"raw_affiliation_string":"SnT-securityandtrust.lu, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5016154330"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":3.4236,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.92723431,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1081","last_page":"1085"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9997000098228455,"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/T10575","display_name":"Wireless Communication Networks Research","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/beamforming","display_name":"Beamforming","score":0.7772998809814453},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7454955577850342},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6566307544708252},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.6364620923995972},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.6337620615959167},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.5734759569168091},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.5159540772438049},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.5008490085601807},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.48232007026672363},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4773057699203491},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.47376707196235657},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.458874374628067},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.45138341188430786},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.41797566413879395},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4166554808616638},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.33000797033309937},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.2776615619659424},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2596818804740906},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.2524358630180359},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2347014844417572},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.0786094069480896}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7772998809814453},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7454955577850342},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6566307544708252},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.6364620923995972},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.6337620615959167},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.5734759569168091},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.5159540772438049},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.5008490085601807},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.48232007026672363},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4773057699203491},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.47376707196235657},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.458874374628067},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.45138341188430786},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.41797566413879395},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4166554808616638},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.33000797033309937},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.2776615619659424},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2596818804740906},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2524358630180359},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2347014844417572},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0786094069480896},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/acssc.2011.6190179","is_oa":false,"landing_page_url":"https://doi.org/10.1109/acssc.2011.6190179","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 Conference Record of the Forty Fifth Asilomar Conference on Signals, Systems and Computers (ASILOMAR)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321038","display_name":"Fonds National de la Recherche Luxembourg","ror":"https://ror.org/039z13y21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1554956999","https://openalex.org/W1641639920","https://openalex.org/W1987123761","https://openalex.org/W1991828331","https://openalex.org/W2030546921","https://openalex.org/W2091445772","https://openalex.org/W2097578209","https://openalex.org/W2103081281","https://openalex.org/W2122180780","https://openalex.org/W2124704355","https://openalex.org/W2125609692","https://openalex.org/W2126488581","https://openalex.org/W2134400033","https://openalex.org/W2136687807","https://openalex.org/W2157504596","https://openalex.org/W2159929786","https://openalex.org/W2160985682","https://openalex.org/W2161696874","https://openalex.org/W2164536085","https://openalex.org/W2168708240","https://openalex.org/W2950501778","https://openalex.org/W4300663557","https://openalex.org/W6623420650"],"related_works":["https://openalex.org/W3087844490","https://openalex.org/W3090699061","https://openalex.org/W4387546583","https://openalex.org/W2051762234","https://openalex.org/W2131408743","https://openalex.org/W2055634632","https://openalex.org/W4396680560","https://openalex.org/W4311950697","https://openalex.org/W2787827467","https://openalex.org/W4385750381"],"abstract_inverted_index":{"In":[0,20],"current":[1],"satellite":[2,16,92],"communication":[3],"systems,":[4],"energy":[5,24,125],"efficiency":[6,25],"is":[7,31,55,66,95,101],"of":[8,26,35,39,107,116,122],"paramount":[9],"importance":[10],"since":[11],"it":[12],"strongly":[13],"affects":[14],"the":[15,23,37,47,59,70,73,77,105,114,117],"size":[17],"and":[18,62,109,124],"lifetime.":[19],"this":[21],"paper,":[22],"a":[27],"multibeam":[28],"downlink":[29,93],"system":[30,40],"investigated":[32],"in":[33,120],"terms":[34,121],"maximizing":[36],"ratio":[38,106],"throughput":[41],"over":[42],"consumed":[43,48],"power.":[44],"More":[45],"specifically,":[46],"power":[49,53,64,89],"comprises":[50],"both":[51],"operating":[52,108],"which":[54,65],"needed":[56,67],"for":[57,68,91],"running":[58],"network":[60],"equipment":[61],"transmit":[63,110],"forwarding":[69],"information":[71],"to":[72],"end":[74],"users.":[75],"Regarding":[76],"employed":[78],"transmission":[79],"technique,":[80],"Minimum":[81],"Mean":[82],"Square":[83],"Error":[84],"(MMSE)":[85],"beamforming":[86],"together":[87],"with":[88],"optimization":[90],"channel":[94],"used":[96],"while":[97],"full":[98],"frequency":[99],"reuse":[100],"assumed.":[102],"By":[103],"varying":[104],"power,":[111],"we":[112],"study":[113],"performance":[115],"forward":[118],"link":[119],"spectral":[123],"efficiency.":[126]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}