{"id":"https://openalex.org/W2107656577","doi":"https://doi.org/10.1109/iwcit.2013.6555761","title":"Delay analysis and buffer management for random access in cognitive radio networks","display_name":"Delay analysis and buffer management for random access in cognitive radio networks","publication_year":2013,"publication_date":"2013-05-01","ids":{"openalex":"https://openalex.org/W2107656577","doi":"https://doi.org/10.1109/iwcit.2013.6555761","mag":"2107656577"},"language":"en","primary_location":{"id":"doi:10.1109/iwcit.2013.6555761","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcit.2013.6555761","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 Iran Workshop on Communication and Information Theory","raw_type":"proceedings-article"},"type":"conference-paper","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/A5072294850","display_name":"Saber Salehkaleybar","orcid":"https://orcid.org/0000-0003-3934-9931"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Saber Salehkaleybar","raw_affiliation_strings":["Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]},{"raw_affiliation_string":"Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053887806","display_name":"Seyyed Arash Majd","orcid":null},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Seyyed Arash Majd","raw_affiliation_strings":["Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]},{"raw_affiliation_string":"Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089882636","display_name":"Mohammad Reza Pakravan","orcid":"https://orcid.org/0000-0002-3899-8211"},"institutions":[{"id":"https://openalex.org/I133529467","display_name":"Sharif University of Technology","ror":"https://ror.org/024c2fq17","country_code":"IR","type":"education","lineage":["https://openalex.org/I133529467"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Reza Pakravan","raw_affiliation_strings":["Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Data Network Research Lab, Advanced Communications Research Institute, Faculty of Electrical Engineering, Sharif University of Technology, Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]},{"raw_affiliation_string":"Data Network Res. Lab., Sharif Univ. of Technol., Tehran, Iran","institution_ids":["https://openalex.org/I133529467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I133529467"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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":1.0,"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":1.0,"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":0.9993000030517578,"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":0.9993000030517578,"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/queue","display_name":"Queue","score":0.7018499970436096},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6904377937316895},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6770249605178833},{"id":"https://openalex.org/keywords/queueing-theory","display_name":"Queueing theory","score":0.6412738561630249},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.6276934146881104},{"id":"https://openalex.org/keywords/state-space","display_name":"State space","score":0.6102592945098877},{"id":"https://openalex.org/keywords/buffer-overflow","display_name":"Buffer overflow","score":0.5446280241012573},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.5009274482727051},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.48877355456352234},{"id":"https://openalex.org/keywords/queuing-delay","display_name":"Queuing delay","score":0.4586184024810791},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.45276206731796265},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.433404803276062},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3638651669025421},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3596779704093933},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22068291902542114},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10803130269050598},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.10451996326446533},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10151651501655579}],"concepts":[{"id":"https://openalex.org/C160403385","wikidata":"https://www.wikidata.org/wiki/Q220543","display_name":"Queue","level":2,"score":0.7018499970436096},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6904377937316895},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6770249605178833},{"id":"https://openalex.org/C22684755","wikidata":"https://www.wikidata.org/wiki/Q847526","display_name":"Queueing theory","level":2,"score":0.6412738561630249},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.6276934146881104},{"id":"https://openalex.org/C72434380","wikidata":"https://www.wikidata.org/wiki/Q230930","display_name":"State space","level":2,"score":0.6102592945098877},{"id":"https://openalex.org/C40842320","wikidata":"https://www.wikidata.org/wiki/Q19423","display_name":"Buffer overflow","level":2,"score":0.5446280241012573},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.5009274482727051},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.48877355456352234},{"id":"https://openalex.org/C196095461","wikidata":"https://www.wikidata.org/wiki/Q576842","display_name":"Queuing delay","level":3,"score":0.4586184024810791},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.45276206731796265},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.433404803276062},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3638651669025421},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3596779704093933},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22068291902542114},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10803130269050598},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.10451996326446533},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10151651501655579},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwcit.2013.6555761","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcit.2013.6555761","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 Iran Workshop on Communication and Information Theory","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320328779","display_name":"National Foundation of Elites","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1976407947","https://openalex.org/W2077961479","https://openalex.org/W2102316574","https://openalex.org/W2112943055","https://openalex.org/W2123446225","https://openalex.org/W2134353651","https://openalex.org/W2139741154","https://openalex.org/W2142819538","https://openalex.org/W2144369278","https://openalex.org/W2146025745","https://openalex.org/W2163517710","https://openalex.org/W2169926276","https://openalex.org/W2240897201","https://openalex.org/W3103604572","https://openalex.org/W6681805987"],"related_works":["https://openalex.org/W2479612266","https://openalex.org/W2180474751","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/W2794804624","https://openalex.org/W2963454406"],"abstract_inverted_index":{"In":[0,58],"this":[1,99],"paper,":[2],"we":[3,113,157],"consider":[4],"a":[5,22,43,55,67,89],"cognitive":[6],"radio":[7],"network":[8,62],"in":[9,35,93],"which":[10,48],"multiple":[11],"Secondary":[12],"Users":[13],"(SUs)":[14],"contend":[15],"to":[16,29,88,119,148],"access":[17,24],"primary":[18],"network's":[19],"channels":[20],"with":[21,132],"random":[23],"scheme.":[25],"Our":[26],"goal":[27],"is":[28,52,110],"analyze":[30],"SUs'":[31],"queuing":[32],"delay":[33],"performance":[34],"terms":[36],"of":[37],"mean":[38,107],"queue":[39,108,126,134],"lengths":[40,109,127,135],"and":[41,156],"find":[42,114],"minimum":[44,116],"buffer":[45,117,167],"space":[46,75,84,118],"for":[47,151],"the":[49,60,72,77,82,94,101,115,121,160,165],"overflow":[50,123,161],"probability":[51,104,162],"less":[53],"than":[54],"desired":[56,122],"threshold.":[57],"general,":[59],"considered":[61],"can":[63,85,158],"be":[64,86],"modeled":[65],"as":[66],"multidimensional":[68],"Markov":[69,91],"chain.":[70],"However,":[71],"enormous":[73],"state":[74,83],"makes":[76],"numerical":[78],"analysis":[79],"intractable.":[80],"Nevertheless,":[81],"reduced":[87],"two-dimensional":[90],"chain":[92],"symmetric":[95],"channel":[96],"condition.":[97],"By":[98],"approach,":[100],"optimal":[102],"contention":[103],"that":[105,142],"minimizes":[106],"obtained.":[111],"Besides,":[112],"meet":[120,159],"probability.":[124],"Average":[125],"from":[128],"simulations":[129],"are":[130,146],"compared":[131],"expected":[133],"obtained":[136],"by":[137,164],"analysis.":[138],"Simulation":[139],"results":[140],"show":[141],"these":[143],"two":[144],"quantities":[145],"close":[147],"each":[149],"other":[150],"different":[152],"packet":[153],"arrival":[154],"rates":[155],"condition":[163],"proposed":[166],"space.":[168]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}