{"id":"https://openalex.org/W2095435701","doi":"https://doi.org/10.1109/afrcon.2011.6072183","title":"Call-level performance evaluation and QoS provisioning in cognitive radio networks","display_name":"Call-level performance evaluation and QoS provisioning in cognitive radio networks","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2095435701","doi":"https://doi.org/10.1109/afrcon.2011.6072183","mag":"2095435701"},"language":"en","primary_location":{"id":"doi:10.1109/afrcon.2011.6072183","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072183","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","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/A5003019204","display_name":"Yakim Y. Mihov","orcid":null},"institutions":[{"id":"https://openalex.org/I31151848","display_name":"Technical University of Sofia","ror":"https://ror.org/052prhs50","country_code":"BG","type":"education","lineage":["https://openalex.org/I31151848"]}],"countries":["BG"],"is_corresponding":true,"raw_author_name":"Yakim Y. Mihov","raw_affiliation_strings":["Department of Telecommunications Networks, Technical University of Sofia, Sofia, Bulgaria","Department of Telecommunications Networks, Technical University of Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications Networks, Technical University of Sofia, Sofia, Bulgaria","institution_ids":["https://openalex.org/I31151848"]},{"raw_affiliation_string":"Department of Telecommunications Networks, Technical University of Sofia, Bulgaria","institution_ids":["https://openalex.org/I31151848"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023535597","display_name":"Boris Tsankov","orcid":null},"institutions":[{"id":"https://openalex.org/I31151848","display_name":"Technical University of Sofia","ror":"https://ror.org/052prhs50","country_code":"BG","type":"education","lineage":["https://openalex.org/I31151848"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Boris P. Tsankov","raw_affiliation_strings":["Department of Telecommunications Networks, Technical University of Sofia, Sofia, Bulgaria","Department of Telecommunications Networks, Technical University of Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Department of Telecommunications Networks, Technical University of Sofia, Sofia, Bulgaria","institution_ids":["https://openalex.org/I31151848"]},{"raw_affiliation_string":"Department of Telecommunications Networks, Technical University of Sofia, Bulgaria","institution_ids":["https://openalex.org/I31151848"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5003019204"],"corresponding_institution_ids":["https://openalex.org/I31151848"],"apc_list":null,"apc_paid":null,"fwci":0.3501,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.63562349,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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/T10575","display_name":"Wireless Communication Networks Research","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"}},{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9980000257492065,"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/cognitive-radio","display_name":"Cognitive radio","score":0.8764344453811646},{"id":"https://openalex.org/keywords/provisioning","display_name":"Provisioning","score":0.8336974382400513},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8035934567451477},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.736636757850647},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6182050108909607},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5857390761375427},{"id":"https://openalex.org/keywords/state","display_name":"State (computer science)","score":0.5029353499412537},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.46167704463005066},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2601168155670166},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12890461087226868},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1279195249080658}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8764344453811646},{"id":"https://openalex.org/C172191483","wikidata":"https://www.wikidata.org/wiki/Q1071806","display_name":"Provisioning","level":2,"score":0.8336974382400513},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8035934567451477},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.736636757850647},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6182050108909607},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5857390761375427},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.5029353499412537},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.46167704463005066},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2601168155670166},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12890461087226868},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1279195249080658},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/afrcon.2011.6072183","is_oa":false,"landing_page_url":"https://doi.org/10.1109/afrcon.2011.6072183","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Africon '11","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1005116053","https://openalex.org/W1999643559","https://openalex.org/W2038874286","https://openalex.org/W2041551286","https://openalex.org/W2049468127","https://openalex.org/W2071707134","https://openalex.org/W2101640072","https://openalex.org/W2101847218","https://openalex.org/W2116332802","https://openalex.org/W2120103950","https://openalex.org/W2121974376","https://openalex.org/W2129559079","https://openalex.org/W2138708417","https://openalex.org/W2142643612","https://openalex.org/W2144042754","https://openalex.org/W2145000050","https://openalex.org/W2150131803","https://openalex.org/W2156623564","https://openalex.org/W2158871752","https://openalex.org/W2164796247","https://openalex.org/W2168000232","https://openalex.org/W2168078104","https://openalex.org/W2169762591","https://openalex.org/W2797984676","https://openalex.org/W3166196622","https://openalex.org/W4230857372","https://openalex.org/W4237795257","https://openalex.org/W6681100742"],"related_works":["https://openalex.org/W2559261346","https://openalex.org/W4280609833","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W185479762","https://openalex.org/W2136943174","https://openalex.org/W2095246866","https://openalex.org/W4246064491","https://openalex.org/W1968709058","https://openalex.org/W2298116686"],"abstract_inverted_index":{"This":[0],"paper":[1],"investigates":[2],"the":[3,54,59,83],"call-level":[4],"performance":[5],"of":[6,53,58,71],"a":[7,27,32,67],"cognitive":[8],"radio":[9],"network":[10],"for":[11,40,51,69],"dynamic":[12],"spectrum":[13],"access":[14],"providing":[15],"multimedia":[16],"service":[17,72],"to":[18,81],"secondary":[19,60],"users.":[20],"The":[21],"serving":[22],"system":[23],"is":[24,45,62,74],"modeled":[25],"by":[26],"two-dimensional":[28],"state-transition":[29],"diagram":[30],"and":[31,91],"novel":[33],"approximate":[34],"but":[35],"computationally":[36],"efficient":[37],"analytical":[38,85],"approach":[39],"solving":[41],"its":[42],"state":[43],"probabilities":[44],"developed.":[46],"A":[47],"new":[48],"precise":[49],"formula":[50],"evaluation":[52],"call":[55],"dropping":[56],"probability":[57],"users":[61],"derived.":[63],"Channel":[64],"limitation":[65],"as":[66],"method":[68],"quality":[70],"provisioning":[73],"suggested.":[75],"Extensive":[76],"simulation":[77],"experiments":[78],"are":[79,89,95],"performed":[80],"validate":[82],"proposed":[84],"solutions.":[86],"Numerical":[87],"results":[88],"presented":[90],"some":[92],"insightful":[93],"conclusions":[94],"drawn.":[96]},"counts_by_year":[{"year":2018,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}