{"id":"https://openalex.org/W2029984005","doi":"https://doi.org/10.1145/1614235.1614244","title":"On the performance of cognitive access with periodic spectrum sensing","display_name":"On the performance of cognitive access with periodic spectrum sensing","publication_year":2009,"publication_date":"2009-09-21","ids":{"openalex":"https://openalex.org/W2029984005","doi":"https://doi.org/10.1145/1614235.1614244","mag":"2029984005"},"language":"en","primary_location":{"id":"doi:10.1145/1614235.1614244","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1614235.1614244","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 ACM workshop on Cognitive radio networks","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/A5100353780","display_name":"Xin Li","orcid":"https://orcid.org/0000-0002-0041-3134"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014109600","display_name":"Qianchuan Zhao","orcid":"https://orcid.org/0000-0002-7952-5621"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qianchuan Zhao","raw_affiliation_strings":["Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075845093","display_name":"Xiaohong Guan","orcid":"https://orcid.org/0000-0002-8826-0362"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]},{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaohong Guan","raw_affiliation_strings":["Tsinghua University/Xi'an Jiaotong University, Beijing/Xi'an, China","Tsinghua University/Xi'an Jiaotong University, Beijing/Xi'an, China#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua University/Xi'an Jiaotong University, Beijing/Xi'an, China","institution_ids":["https://openalex.org/I87445476","https://openalex.org/I99065089"]},{"raw_affiliation_string":"Tsinghua University/Xi'an Jiaotong University, Beijing/Xi'an, China#TAB#","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044316824","display_name":"Lang Tong","orcid":"https://orcid.org/0000-0003-3322-2681"},"institutions":[{"id":"https://openalex.org/I205783295","display_name":"Cornell University","ror":"https://ror.org/05bnh6r87","country_code":"US","type":"education","lineage":["https://openalex.org/I205783295"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lang Tong","raw_affiliation_strings":["Cornell University, Ithaca, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cornell University, Ithaca, NY, USA","institution_ids":["https://openalex.org/I205783295"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"31","last_page":"36"},"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/T13553","display_name":"Age of Information Optimization","score":0.9937999844551086,"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":0.9937000274658203,"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":0.8373390436172485},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.6595182418823242},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6549972891807556},{"id":"https://openalex.org/keywords/markov-process","display_name":"Markov process","score":0.6303125619888306},{"id":"https://openalex.org/keywords/asymptotically-optimal-algorithm","display_name":"Asymptotically optimal algorithm","score":0.6203889846801758},{"id":"https://openalex.org/keywords/markov-decision-process","display_name":"Markov decision process","score":0.6036498546600342},{"id":"https://openalex.org/keywords/collision","display_name":"Collision","score":0.5536167621612549},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5480126142501831},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5442801117897034},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5439049005508423},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5133311152458191},{"id":"https://openalex.org/keywords/markov-chain","display_name":"Markov chain","score":0.45544812083244324},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.45459961891174316},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.32554423809051514},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22850534319877625},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.17752623558044434},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16577240824699402},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15967705845832825},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.13904687762260437}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.8373390436172485},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.6595182418823242},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6549972891807556},{"id":"https://openalex.org/C159886148","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov process","level":2,"score":0.6303125619888306},{"id":"https://openalex.org/C181789720","wikidata":"https://www.wikidata.org/wiki/Q4812191","display_name":"Asymptotically optimal algorithm","level":2,"score":0.6203889846801758},{"id":"https://openalex.org/C106189395","wikidata":"https://www.wikidata.org/wiki/Q176789","display_name":"Markov decision process","level":3,"score":0.6036498546600342},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.5536167621612549},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5480126142501831},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5442801117897034},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5439049005508423},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5133311152458191},{"id":"https://openalex.org/C98763669","wikidata":"https://www.wikidata.org/wiki/Q176645","display_name":"Markov chain","level":2,"score":0.45544812083244324},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.45459961891174316},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.32554423809051514},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22850534319877625},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.17752623558044434},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16577240824699402},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15967705845832825},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.13904687762260437},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1614235.1614244","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1614235.1614244","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 ACM workshop on Cognitive radio networks","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8100000023841858,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1518931405","https://openalex.org/W1969247449","https://openalex.org/W2089719995","https://openalex.org/W2111723653","https://openalex.org/W2113439409","https://openalex.org/W2128310159","https://openalex.org/W2142819538","https://openalex.org/W2144369278","https://openalex.org/W2148925052","https://openalex.org/W2153620960","https://openalex.org/W2153831889","https://openalex.org/W2165511051","https://openalex.org/W2171671264","https://openalex.org/W2534628707","https://openalex.org/W4231219113"],"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/W1968709058","https://openalex.org/W187740018","https://openalex.org/W2162286586","https://openalex.org/W4255368532"],"abstract_inverted_index":{"The":[0,14,54,79],"problem":[1],"of":[2,5,16,56,89,104,112,122,154],"cognitive":[3,28,58],"access":[4,75,81,121],"parallel":[6],"channels":[7],"occupied":[8],"by":[9,70,101,149],"primary":[10,17,72],"users":[11,18],"is":[12,60,83,99,126,140,147],"considered.":[13,128],"transmissions":[15],"are":[19,77],"modeled":[20],"as":[21],"independent":[22],"continuous-time":[23],"Markov":[24,91],"processes.":[25,93],"A":[26,94],"secondary":[27],"user":[29,59],"employs":[30],"a":[31,36,87,116,130],"slotted":[32],"transmission":[33],"format":[34],"and":[35,45],"periodic":[37],"sensing":[38,52,106],"strategy":[39],"such":[40],"that":[41,135,151],"it":[42],"decides":[43],"if":[44],"where":[46],"to":[47,50,61,159],"transmit":[48],"according":[49],"its":[51,63],"outcomes.":[53],"objective":[55],"the":[57,71,102,113,120,136,144,152,160],"maximize":[62],"throughput":[64],"while":[65],"satisfying":[66],"collision":[67,145],"constrains":[68],"imposed":[69],"users.":[73],"Three":[74],"policies":[76,157],"analyzed.":[78],"optimal":[80,114,142],"policy":[82,98,118,139],"obtained":[84,100],"based":[85],"on":[86],"formulation":[88],"constrained":[90],"decision":[92],"simple":[95,137],"suboptimal":[96],"memoryless":[97,117,138],"use":[103],"instantaneous":[105],"outcome.":[107],"As":[108],"an":[109],"upper":[110],"bound":[111],"policy,":[115],"assuming":[119],"full":[123],"channel":[124],"states":[125],"also":[127],"For":[129],"symmetric":[131],"system,":[132],"we":[133],"show":[134],"asymptotically":[141],"when":[143],"constraint":[146],"tight":[148],"proving":[150],"performances":[153],"all":[155],"three":[156],"converge":[158],"same":[161],"value.":[162]},"counts_by_year":[{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
