{"id":"https://openalex.org/W2066206974","doi":"https://doi.org/10.1109/crowncom.2013.6636830","title":"Transmit beamforming for spectral coexistence of satellite and terrestrial networks","display_name":"Transmit beamforming for spectral coexistence of satellite and terrestrial networks","publication_year":2013,"publication_date":"2013-07-01","ids":{"openalex":"https://openalex.org/W2066206974","doi":"https://doi.org/10.1109/crowncom.2013.6636830","mag":"2066206974"},"language":"en","primary_location":{"id":"doi:10.1109/crowncom.2013.6636830","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2013.6636830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"8th International Conference on Cognitive Radio Oriented Wireless Networks","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://orbilu.uni.lu/handle/10993/6670","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5004973785","display_name":"Shree Krishna Sharma","orcid":"https://orcid.org/0000-0001-9823-2886"},"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":"Shree Krishna Sharma","raw_affiliation_strings":["SnT, University of Luxembourg, Luxembourg","SnT - Securityandtrust.lu, University of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT - Securityandtrust.lu, University of Luxembourg, Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","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":false,"raw_author_name":"Symeon Chatzinotas","raw_affiliation_strings":["SnT, University of Luxembourg, Luxembourg","SnT - Securityandtrust.lu, University of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT - Securityandtrust.lu, University of Luxembourg, 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/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":"Bjorn Ottersten","raw_affiliation_strings":["SnT, University of Luxembourg, Luxembourg","SnT - Securityandtrust.lu, University of Luxembourg, Luxembourg, Luxembourg"],"affiliations":[{"raw_affiliation_string":"SnT, University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]},{"raw_affiliation_string":"SnT - Securityandtrust.lu, University of Luxembourg, Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5004973785"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":7.4473,"has_fulltext":false,"cited_by_count":80,"citation_normalized_percentile":{"value":0.97564766,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"275","last_page":"281"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9998000264167786,"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/T12042","display_name":"Satellite Communication Systems","score":0.9998000264167786,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.81618332862854},{"id":"https://openalex.org/keywords/geostationary-orbit","display_name":"Geostationary orbit","score":0.719024658203125},{"id":"https://openalex.org/keywords/underlay","display_name":"Underlay","score":0.640200138092041},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.639293909072876},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6122971773147583},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5826107263565063},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5517680644989014},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.5501096248626709},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4473763704299927},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.4372142255306244},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.38526105880737305},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.36091989278793335},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3368649482727051},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17162001132965088},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.16787442564964294},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.15036270022392273},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.13025540113449097}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.81618332862854},{"id":"https://openalex.org/C16405173","wikidata":"https://www.wikidata.org/wiki/Q192316","display_name":"Geostationary orbit","level":3,"score":0.719024658203125},{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.640200138092041},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.639293909072876},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6122971773147583},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5826107263565063},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5517680644989014},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.5501096248626709},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4473763704299927},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.4372142255306244},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.38526105880737305},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.36091989278793335},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3368649482727051},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17162001132965088},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.16787442564964294},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.15036270022392273},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.13025540113449097},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/crowncom.2013.6636830","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2013.6636830","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"8th International Conference on Cognitive Radio Oriented Wireless Networks","raw_type":"proceedings-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/6670","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/6670","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings of 8th International Conference on Cognitive Radio Oriented Wireless Networks 2013.  (2013).","raw_type":null}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/6670","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/6670","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings of 8th International Conference on Cognitive Radio Oriented Wireless Networks 2013.  (2013).","raw_type":null},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W47330186","https://openalex.org/W1520038751","https://openalex.org/W1574779531","https://openalex.org/W1614600390","https://openalex.org/W1975603398","https://openalex.org/W1990690828","https://openalex.org/W2011866283","https://openalex.org/W2025485250","https://openalex.org/W2058234500","https://openalex.org/W2059909789","https://openalex.org/W2060108923","https://openalex.org/W2072577414","https://openalex.org/W2078832442","https://openalex.org/W2099194021","https://openalex.org/W2100622035","https://openalex.org/W2110449186","https://openalex.org/W2113900577","https://openalex.org/W2120958512","https://openalex.org/W2121233130","https://openalex.org/W2123324551","https://openalex.org/W2126106755","https://openalex.org/W2135625887","https://openalex.org/W2141576539","https://openalex.org/W2143102731","https://openalex.org/W2144167221","https://openalex.org/W2144272090","https://openalex.org/W2144367966","https://openalex.org/W2152587757","https://openalex.org/W2164268860","https://openalex.org/W2166117654","https://openalex.org/W2483514466","https://openalex.org/W2543723428","https://openalex.org/W3140609775","https://openalex.org/W6601885331","https://openalex.org/W6631226671","https://openalex.org/W6674776047","https://openalex.org/W6676210939"],"related_works":["https://openalex.org/W1943171502","https://openalex.org/W1975029702","https://openalex.org/W2021594568","https://openalex.org/W2002735621","https://openalex.org/W1577900704","https://openalex.org/W2492344019","https://openalex.org/W1726924277","https://openalex.org/W4293253992","https://openalex.org/W2290175079","https://openalex.org/W2031829978"],"abstract_inverted_index":{"Herein,":[0],"we":[1,74],"study":[2],"transmit":[3,76],"beamforming":[4,77],"techniques":[5,78,116],"in":[6,64],"an":[7,65,147],"underlay":[8],"cognitive":[9],"mode":[10],"for":[11,120,152],"the":[12,20,27,46,49,53,57,80,84,93,101,104,125,129,144,154,162,169,178,182,186],"coexistence":[13],"of":[14,110,131,181,188],"satellite":[15,21,34,54,106,132],"and":[16,26,98,128,157,177],"terrestrial":[17,28,58],"networks":[18],"with":[19],"forward":[22],"link":[23],"as":[24,30],"primary":[25,105],"downlink":[29],"secondary.":[31],"Since":[32],"geostationary":[33,47],"terminals":[35,55,133],"have":[36,117],"predetermined":[37],"propagation":[38],"characteristics":[39],"so":[40],"that":[41,161],"they":[42],"always":[43],"point":[44],"towards":[45,92,103],"satellite,":[48],"interference":[50,102,175],"received":[51],"by":[52],"from":[56,185],"Base":[59],"Station":[60],"(BS)":[61],"is":[62,150,159],"confined":[63],"angular":[66,137,179],"sector.":[67],"Based":[68],"on":[69,168],"this":[70],"a":[71,135],"priori":[72],"knowledge,":[73],"propose":[75],"at":[79],"BS":[81],"to":[82,86,99],"maximize":[83],"Signal":[85],"Interference":[87],"plus":[88],"Noise":[89],"Ratio":[90],"(SINR)":[91],"desired":[94,183],"Secondary":[95],"User":[96,171],"(SU)":[97],"mitigate":[100],"terminals.":[107],"Different":[108],"types":[109],"Linearly":[111],"Constrained":[112],"Minimum":[113],"Variance":[114],"(LCMV)":[115],"been":[118],"proposed":[119],"our":[121],"considered":[122],"scenario":[123],"where":[124],"exact":[126],"locations":[127],"number":[130],"within":[134],"specific":[136],"sector":[138],"are":[139],"not":[140],"known":[141],"while":[142],"designing":[143],"beamformer.":[145],"Furthermore,":[146],"optimization":[148],"problem":[149],"formulated":[151],"maximizing":[153],"SU":[155,165,184],"rate":[156,166],"it":[158],"shown":[160],"worst":[163],"case":[164],"depends":[167],"Primary":[170],"(PU)":[172],"distance,":[173],"PU":[174],"threshold":[176],"separation":[180],"region":[187],"interest.":[189]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":14},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":12},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":5},{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}