{"id":"https://openalex.org/W2122630630","doi":"https://doi.org/10.1109/vetecs.2009.5073876","title":"Temporal and Spatial Spectrum Assignment in Next Generation OFDMA Networks through Reinforcement Learning","display_name":"Temporal and Spatial Spectrum Assignment in Next Generation OFDMA Networks through Reinforcement Learning","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2122630630","doi":"https://doi.org/10.1109/vetecs.2009.5073876","mag":"2122630630"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2009.5073876","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2009.5073876","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"VTC Spring 2009 - IEEE 69th Vehicular Technology Conference","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hdl.handle.net/2117/8784","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050572211","display_name":"Francisco Bernardo","orcid":null},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Francisco Bernardo","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044420704","display_name":"R. Agust\u0131\u0301","orcid":"https://orcid.org/0000-0002-2846-2261"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Ramon Agusti","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034523211","display_name":"J. P\u00e9rez-Romero","orcid":"https://orcid.org/0000-0001-9131-5013"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J. Perez-Romero","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5048114047","display_name":"O. Sallent","orcid":"https://orcid.org/0000-0002-2114-1406"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"O. Sallent","raw_affiliation_strings":["Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona"],"affiliations":[{"raw_affiliation_string":"Signal Theory and Communications Department, Universitat Polilt\u00e8cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]},{"raw_affiliation_string":"Signal Theor. & Commun. Dept., Univ. Politec. de Catalunya (UPC), Barcelona","institution_ids":["https://openalex.org/I9617848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5050572211"],"corresponding_institution_ids":["https://openalex.org/I9617848"],"apc_list":null,"apc_paid":null,"fwci":1.2193,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.81438323,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"7","issue":null,"first_page":"1","last_page":"5"},"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/T11409","display_name":"Advanced Wireless Network 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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9990000128746033,"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/reinforcement-learning","display_name":"Reinforcement learning","score":0.8841394186019897},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7800647020339966},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.7087851166725159},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5957608222961426},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5947356224060059},{"id":"https://openalex.org/keywords/frequency-allocation","display_name":"Frequency allocation","score":0.5184309482574463},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5049200654029846},{"id":"https://openalex.org/keywords/spectrum","display_name":"Spectrum (functional analysis)","score":0.4444854259490967},{"id":"https://openalex.org/keywords/division","display_name":"Division (mathematics)","score":0.4285344183444977},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4229659140110016},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.4212288558483124},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38009291887283325},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.36984747648239136},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2838963568210602},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10436245799064636}],"concepts":[{"id":"https://openalex.org/C97541855","wikidata":"https://www.wikidata.org/wiki/Q830687","display_name":"Reinforcement learning","level":2,"score":0.8841394186019897},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7800647020339966},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.7087851166725159},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5957608222961426},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5947356224060059},{"id":"https://openalex.org/C134579502","wikidata":"https://www.wikidata.org/wiki/Q1455619","display_name":"Frequency allocation","level":2,"score":0.5184309482574463},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5049200654029846},{"id":"https://openalex.org/C156778621","wikidata":"https://www.wikidata.org/wiki/Q1365748","display_name":"Spectrum (functional analysis)","level":2,"score":0.4444854259490967},{"id":"https://openalex.org/C60798267","wikidata":"https://www.wikidata.org/wiki/Q1226939","display_name":"Division (mathematics)","level":2,"score":0.4285344183444977},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4229659140110016},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.4212288558483124},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38009291887283325},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.36984747648239136},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2838963568210602},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10436245799064636},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"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/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/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/vetecs.2009.5073876","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2009.5073876","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"VTC Spring 2009 - IEEE 69th Vehicular Technology Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:upcommons.upc.edu:2117/8784","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/8784","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Conference report"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.925.1604","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.925.1604","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://upcommons.upc.edu/bitstream/handle/2117/8784/TemporalSpatialSpectrum.pdf%3Bjsessionid%3D448A43D0FAC1E5961736143C6C454ECA?sequence%3D1","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/8784","is_oa":true,"landing_page_url":"https://hdl.handle.net/2117/8784","pdf_url":null,"source":{"id":"https://openalex.org/S4210207057","display_name":"QRU Quaderns de Recerca en Urbanisme","issn_l":"2014-9689","issn":["2014-9689","2385-6777"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310322448","host_organization_name":"Q71272178","host_organization_lineage":["https://openalex.org/P4310322448"],"host_organization_lineage_names":["Q71272178"],"type":"journal"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Conference report"},"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W579311632","https://openalex.org/W1629015975","https://openalex.org/W2035338150","https://openalex.org/W2044265984","https://openalex.org/W2105336151","https://openalex.org/W2115671770","https://openalex.org/W2118409752","https://openalex.org/W2119717200","https://openalex.org/W2121863487","https://openalex.org/W2138851286","https://openalex.org/W2139459485","https://openalex.org/W2156055120","https://openalex.org/W2162884985","https://openalex.org/W2527874253","https://openalex.org/W4214717370","https://openalex.org/W6675750692","https://openalex.org/W6680700219","https://openalex.org/W6683918752"],"related_works":["https://openalex.org/W3118536199","https://openalex.org/W3168365631","https://openalex.org/W3016860855","https://openalex.org/W2025189274","https://openalex.org/W2092365485","https://openalex.org/W1585503616","https://openalex.org/W2004574319","https://openalex.org/W1543564974","https://openalex.org/W1979722674","https://openalex.org/W1572087604"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3],"dynamic":[4,62],"spectrum":[5,29,63],"assignment":[6,64],"strategy":[7,23],"in":[8],"the":[9,35,41,44,54,67],"context":[10],"of":[11,40],"next":[12],"generation":[13],"multicell":[14],"orthogonal":[15],"frequency":[16],"division":[17],"multiple":[18],"access":[19],"networks.":[20],"The":[21],"proposed":[22],"is":[24],"able":[25],"to":[26,52],"dynamically":[27],"find":[28],"assignments":[30],"per":[31],"cell":[32],"depending":[33],"on":[34],"spatial":[36],"and":[37,61,73],"temporal":[38],"distribution":[39],"users":[42],"over":[43],"scenario.":[45],"Reinforcement":[46],"learning":[47],"methodology":[48],"has":[49],"been":[50],"employed":[51],"implement":[53],"strategy,":[55],"which":[56],"compared":[57],"with":[58],"other":[59],"fixed":[60],"strategies":[65],"shows":[66],"best":[68],"tradeoff":[69],"between":[70],"spectral":[71],"efficiency":[72],"quality-of-service.":[74]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}
