{"id":"https://openalex.org/W2077521150","doi":"https://doi.org/10.1109/wsa.2011.5741949","title":"Spatial shaping in cognitive system with coded legacy transmission","display_name":"Spatial shaping in cognitive system with coded legacy transmission","publication_year":2011,"publication_date":"2011-02-01","ids":{"openalex":"https://openalex.org/W2077521150","doi":"https://doi.org/10.1109/wsa.2011.5741949","mag":"2077521150"},"language":"en","primary_location":{"id":"doi:10.1109/wsa.2011.5741949","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2011.5741949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International ITG Workshop on Smart Antennas","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://zenodo.org/record/3436138","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101780615","display_name":"Jing Lv","orcid":"https://orcid.org/0000-0001-9177-0526"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jing Lv","raw_affiliation_strings":["Communications Theory, Communications Laboratory, Dresden University of Technology, Dresden, Germany","Communications Theory, Communications Laboratory, Dresden University of Technology, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communications Theory, Communications Laboratory, Dresden University of Technology, Dresden, Germany","institution_ids":["https://openalex.org/I78650965"]},{"raw_affiliation_string":"Communications Theory, Communications Laboratory, Dresden University of Technology, Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029956964","display_name":"Eduard A. Jorswieck","orcid":"https://orcid.org/0000-0001-7893-8435"},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Eduard A. Jorswieck","raw_affiliation_strings":["Communications Theory, Communications Laboratory, Dresden University of Technology, Dresden, Germany","Communications Theory, Communications Laboratory, Dresden University of Technology, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Communications Theory, Communications Laboratory, Dresden University of Technology, Dresden, Germany","institution_ids":["https://openalex.org/I78650965"]},{"raw_affiliation_string":"Communications Theory, Communications Laboratory, Dresden University of Technology, Germany","institution_ids":["https://openalex.org/I78650965"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I78650965"],"apc_list":null,"apc_paid":null,"fwci":4.0042,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.9494301,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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":0.9994999766349792,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9994999766349792,"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/decoding-methods","display_name":"Decoding methods","score":0.7911137342453003},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.7143948078155518},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7015595436096191},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.6042951345443726},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5810960531234741},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.4755494296550751},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4140249490737915},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3118656873703003},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1964147686958313},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14374011754989624},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.08515048027038574}],"concepts":[{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7911137342453003},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.7143948078155518},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7015595436096191},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.6042951345443726},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5810960531234741},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.4755494296550751},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4140249490737915},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3118656873703003},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1964147686958313},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14374011754989624},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.08515048027038574},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wsa.2011.5741949","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wsa.2011.5741949","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 International ITG Workshop on Smart Antennas","raw_type":"proceedings-article"},{"id":"pmh:oai:zenodo.org:3436138","is_oa":true,"landing_page_url":"https://zenodo.org/record/3436138","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"}],"best_oa_location":{"id":"pmh:oai:zenodo.org:3436138","is_oa":true,"landing_page_url":"https://zenodo.org/record/3436138","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/conferencePaper"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W111155774","https://openalex.org/W1985823567","https://openalex.org/W2063773941","https://openalex.org/W2071707134","https://openalex.org/W2105147943","https://openalex.org/W2116485279","https://openalex.org/W2127593435","https://openalex.org/W2128662532","https://openalex.org/W2135660060","https://openalex.org/W2137846846","https://openalex.org/W2160462609","https://openalex.org/W2162434209","https://openalex.org/W3098183424","https://openalex.org/W4233482939"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W2136943174","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W2355663289","https://openalex.org/W1968709058","https://openalex.org/W2095246866","https://openalex.org/W2107126738"],"abstract_inverted_index":{"We":[0],"consider":[1,30],"the":[2,31,39,45,54,58,70,78,87,93,122,135,149,159],"coexistence":[3],"of":[4,57],"a":[5,9,62],"secondary":[6,19,46],"user":[7,20,47],"with":[8,112,170],"single-antenna":[10],"primary":[11,59,123,136],"link":[12,124,137],"which":[13],"is":[14,36,65,75,84,144],"not":[15],"fully":[16],"loaded.":[17],"The":[18],"has":[21],"multiple":[22],"antennas":[23],"and":[24,61,81,105,128],"performs":[25],"spatial":[26,43,110,165],"shaping.":[27],"First":[28],"we":[29,68,157],"case":[32,71],"when":[33,72],"single-user":[34,113,154],"decoding":[35,74,114,143],"deployed":[37],"at":[38,77,86,98],"cognitive":[40,79,88,94,150,168],"receiver.":[41],"By":[42],"shaping,":[44],"can":[48,96],"optimize":[49],"its":[50,99],"achievable":[51],"rate":[52,55,82,146,151],"under":[53],"constraint":[56],"user,":[60],"closed-form":[63],"solution":[64],"derived.":[66],"Then":[67],"study":[69],"successive":[73,142],"viable":[76],"receiver":[80],"splitting":[83,147],"applied":[85],"transmitter.":[89],"In":[90],"both":[91],"cases":[92],"transmitter":[95],"operate":[97],"full":[100,139],"power.":[101],"Both":[102],"theoretical":[103],"analysis":[104],"simulation":[106],"results":[107],"show":[108],"that":[109],"shaping":[111,166],"converges":[115,129],"to":[116,130,153,163],"maximum":[117],"ratio":[118],"transmission":[119],"(MRT)":[120],"as":[121,134],"approaches":[125,138],"null":[126],"load,":[127],"zero":[131],"forcing":[132],"(ZF)":[133],"load.":[140],"When":[141],"viable,":[145],"increases":[148],"compared":[152],"decoding.":[155],"Finally,":[156],"discuss":[158],"control":[160],"signaling":[161],"needed":[162],"perform":[164],"in":[167],"system":[169],"legacy":[171],"transmission.":[172]},"counts_by_year":[{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":5}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2016-06-24T00:00:00"}
