{"id":"https://openalex.org/W1991882007","doi":"https://doi.org/10.1109/dyspan.2012.6478174","title":"QP-CSMA-CA: A modified CSMA-CA-based cognitive channel access mechanism with testbed implementation","display_name":"QP-CSMA-CA: A modified CSMA-CA-based cognitive channel access mechanism with testbed implementation","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W1991882007","doi":"https://doi.org/10.1109/dyspan.2012.6478174","mag":"1991882007"},"language":"en","primary_location":{"id":"doi:10.1109/dyspan.2012.6478174","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2012.6478174","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Dynamic Spectrum Access Networks","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/A5101767264","display_name":"Chandrayee Ghosh","orcid":"https://orcid.org/0000-0002-2336-8487"},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"C. Ghosh","raw_affiliation_strings":["Nokia Research Center, Berkeley, CA, USA","Nokia Research Center Berkeley, CA 94704, USA"],"affiliations":[{"raw_affiliation_string":"Nokia Research Center, Berkeley, CA, USA","institution_ids":["https://openalex.org/I72090969"]},{"raw_affiliation_string":"Nokia Research Center Berkeley, CA 94704, USA","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088126444","display_name":"Hossein-Ali Safavi-Naeini","orcid":null},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"H. A. Safavi-Naeini","raw_affiliation_strings":["Electrical Engineering Department, University of Washington, Seattle, WA, USA","[Electrical Engineering Department, University of Washington, Seattle, USA]"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, University of Washington, Seattle, WA, USA","institution_ids":["https://openalex.org/I201448701"]},{"raw_affiliation_string":"[Electrical Engineering Department, University of Washington, Seattle, USA]","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064032990","display_name":"Sumit Roy","orcid":"https://orcid.org/0000-0002-3357-4700"},"institutions":[{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]},{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. Roy","raw_affiliation_strings":["Electrical Engineering Department, University of Washington, Seattle, WA, USA","[Electrical Engineering Department, University of Washington, Seattle, USA]"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, University of Washington, Seattle, WA, USA","institution_ids":["https://openalex.org/I201448701"]},{"raw_affiliation_string":"[Electrical Engineering Department, University of Washington, Seattle, USA]","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023218534","display_name":"Klaus Doppler","orcid":null},"institutions":[{"id":"https://openalex.org/I72090969","display_name":"Nokia (United States)","ror":"https://ror.org/038km2573","country_code":"US","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I72090969"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. Doppler","raw_affiliation_strings":["Nokia Research Center, Berkeley, CA, USA","Nokia Research Center Berkeley, CA 94704, USA"],"affiliations":[{"raw_affiliation_string":"Nokia Research Center, Berkeley, CA, USA","institution_ids":["https://openalex.org/I72090969"]},{"raw_affiliation_string":"Nokia Research Center Berkeley, CA 94704, USA","institution_ids":["https://openalex.org/I72090969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044390498","display_name":"J Stahl","orcid":"https://orcid.org/0000-0003-2685-0962"},"institutions":[{"id":"https://openalex.org/I58610484","display_name":"Seattle University","ror":"https://ror.org/02jqc0m91","country_code":"US","type":"education","lineage":["https://openalex.org/I58610484"]},{"id":"https://openalex.org/I201448701","display_name":"University of Washington","ror":"https://ror.org/00cvxb145","country_code":"US","type":"education","lineage":["https://openalex.org/I201448701"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. Stahl","raw_affiliation_strings":["Electrical Engineering Department, University of Washington, Seattle, WA, USA","[Electrical Engineering Department, University of Washington, Seattle, USA]"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, University of Washington, Seattle, WA, USA","institution_ids":["https://openalex.org/I201448701"]},{"raw_affiliation_string":"[Electrical Engineering Department, University of Washington, Seattle, USA]","institution_ids":["https://openalex.org/I201448701","https://openalex.org/I58610484"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5101767264"],"corresponding_institution_ids":["https://openalex.org/I72090969"],"apc_list":null,"apc_paid":null,"fwci":0.3546,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.60389423,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"501","last_page":"509"},"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/T11158","display_name":"Wireless Networks and Protocols","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"}},{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9968000054359436,"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/carrier-sense-multiple-access-with-collision-avoidance","display_name":"Carrier sense multiple access with collision avoidance","score":0.8186293840408325},{"id":"https://openalex.org/keywords/universal-software-radio-peripheral","display_name":"Universal Software Radio Peripheral","score":0.8121816515922546},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.7985886335372925},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7452542781829834},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7221469283103943},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6185570359230042},{"id":"https://openalex.org/keywords/software-defined-radio","display_name":"Software-defined radio","score":0.6162240505218506},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.5832881927490234},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.4630027115345001},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4336657226085663},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33905014395713806},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.28208279609680176},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10381019115447998}],"concepts":[{"id":"https://openalex.org/C59229178","wikidata":"https://www.wikidata.org/wiki/Q944633","display_name":"Carrier sense multiple access with collision avoidance","level":4,"score":0.8186293840408325},{"id":"https://openalex.org/C192220659","wikidata":"https://www.wikidata.org/wiki/Q1245659","display_name":"Universal Software Radio Peripheral","level":3,"score":0.8121816515922546},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.7985886335372925},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7452542781829834},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7221469283103943},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6185570359230042},{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.6162240505218506},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5832881927490234},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.4630027115345001},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4336657226085663},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33905014395713806},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.28208279609680176},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10381019115447998}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/dyspan.2012.6478174","is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2012.6478174","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE International Symposium on Dynamic Spectrum Access Networks","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":7,"referenced_works":["https://openalex.org/W1532066134","https://openalex.org/W1559654943","https://openalex.org/W2099505289","https://openalex.org/W2109872058","https://openalex.org/W2164402548","https://openalex.org/W2168078104","https://openalex.org/W2354005007"],"related_works":["https://openalex.org/W4200379864","https://openalex.org/W1968709058","https://openalex.org/W2749095901","https://openalex.org/W2162075876","https://openalex.org/W4242136067","https://openalex.org/W2887315079","https://openalex.org/W2033764231","https://openalex.org/W2545213287","https://openalex.org/W2079465364","https://openalex.org/W1989642027"],"abstract_inverted_index":{"In":[0,37,90],"this":[1,48,62],"paper,":[2],"a":[3,25,51,132],"modified":[4],"carrier":[5],"sense":[6],"multiple":[7],"access-collision":[8],"avoidance":[9],"(CSMA-CA)":[10],"mechanism,":[11],"termed":[12],"as":[13,50,71,85],"quiet":[14,42],"period-CSMA-CA":[15],"(QP-CSMA-CA)":[16],"is":[17,64,116],"proposed,":[18],"for":[19,47,66,88,107,135],"the":[20,86,92,105,119,145,148,152],"purposes":[21],"of":[22,147,160],"coexistence":[23],"in":[24,131,158],"cognitive":[26],"networking":[27],"set-up":[28],"with":[29],"secondary":[30],"clients":[31,56],"that":[32],"seek":[33],"access":[34,165],"using":[35],"802.11.":[36],"work":[38],"to":[39,72],"date,":[40],"dedicated":[41,78,109,153],"periods":[43,79],"have":[44],"been":[45],"defined":[46,126],"purpose,":[49],"synchronized":[52],"duration":[53],"wherein":[54],"all":[55],"are":[57],"prohibited":[58],"from":[59],"uplink":[60],"transmissions;":[61],"interval":[63],"intended":[65],"sensing":[67,97,110],"channel":[68,96],"status":[69],"so":[70],"detect":[73],"out-of-network":[74],"transmissions.":[75],"However,":[76],"such":[77],"may":[80],"adversely":[81],"impact":[82],"system":[83,161],"throughput":[84,137,162],"price":[87],"coexistence.":[89],"QP-CSMA-CA,":[91],"Wi-Fi":[93],"nodes":[94],"perform":[95],"during":[98],"an":[99],"extended":[100],"back-off":[101],"phase;":[102],"thereby":[103],"bypassing":[104],"need":[106],"separate":[108],"interval.":[111],"The":[112],"proposed":[113,149],"QP-CSMA-CA":[114],"protocol":[115],"implemented":[117],"on":[118],"universal":[120],"software":[121,125],"radio":[122,127],"peripheral":[123],"(USRP)-based":[124],"platform":[128],"and":[129,138,141,163],"configured":[130],"small":[133],"network":[134],"measuring":[136],"latency.":[139,166],"Experimental":[140],"simulation":[142],"results":[143],"show":[144],"efficacy":[146],"algorithm":[150],"over":[151],"sensing-based":[154],"mechanism":[155],"when":[156],"compared":[157],"terms":[159],"medium":[164]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
