{"id":"https://openalex.org/W2046624635","doi":"https://doi.org/10.1109/dyspan.2012.6478133","title":"On time-domain coexistence of unlicensed and licensed spectrum users","display_name":"On time-domain coexistence of unlicensed and licensed spectrum users","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W2046624635","doi":"https://doi.org/10.1109/dyspan.2012.6478133","mag":"2046624635"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2012.6478133","pdf_url":null,"source":{"id":"https://openalex.org/S4306418756","display_name":"IEEE International Symposium on Dynamic Spectrum Access Networks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://kabru.eecs.umich.edu/papers/publications/2012/specwifi-final.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5052920958","display_name":"Ashwini Kumar","orcid":null},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"funder","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ashwini Kumar","raw_affiliation_strings":["The University of Michigan, Ann Arbor, 48109-2121, U.S.A."],"affiliations":[{"raw_affiliation_string":"The University of Michigan, Ann Arbor, 48109-2121, U.S.A.","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053541912","display_name":"Kang G. Shin","orcid":"https://orcid.org/0000-0003-0086-8777"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"funder","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kang G. Shin","raw_affiliation_strings":["The University of Michigan, Ann Arbor, 48109-2121, U.S.A."],"affiliations":[{"raw_affiliation_string":"The University of Michigan, Ann Arbor, 48109-2121, U.S.A.","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026767784","display_name":"Young-June Choi","orcid":null},"institutions":[{"id":"https://openalex.org/I57664883","display_name":"Ajou University","ror":"https://ror.org/03tzb2h73","country_code":"KR","type":"funder","lineage":["https://openalex.org/I57664883"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"None Young-June Choi","raw_affiliation_strings":["Ajou University, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"Ajou University, Korea#TAB#","institution_ids":["https://openalex.org/I57664883"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051200257","display_name":"Drago\u015f Niculescu","orcid":"https://orcid.org/0000-0001-7590-2015"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"funder","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Dragos Niculescu","raw_affiliation_strings":["University \u00bfPOLITEHNICA\u00bf of Bucharest, Romania"],"affiliations":[{"raw_affiliation_string":"University \u00bfPOLITEHNICA\u00bf of Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]}],"institution_assertions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.761,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":5,"citation_normalized_percentile":{"value":0.523981,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":80,"max":81},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9998,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9998,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998,"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":0.999,"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/white-spaces","display_name":"White spaces","score":0.6442946},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.61850685},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral Efficiency","score":0.4472229}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.812015},{"id":"https://openalex.org/C96391052","wikidata":"https://www.wikidata.org/wiki/Q256313","display_name":"White spaces","level":4,"score":0.6442946},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6205392},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.61850685},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5475151},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.54521334},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.5431986},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.5018003},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4472229},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.42679},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.32112643},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.28709143},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.24999884},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.219509},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08534485},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1109/dyspan.2012.6478133","pdf_url":null,"source":{"id":"https://openalex.org/S4306418756","display_name":"IEEE International Symposium on Dynamic Spectrum Access Networks","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},{"is_oa":true,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.295.9043","pdf_url":"http://kabru.eecs.umich.edu/papers/publications/2012/specwifi-final.pdf","source":{"id":"https://openalex.org/S4306400349","display_name":"CiteSeer X (The Pennsylvania State University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I130769515","host_organization_name":"Pennsylvania State University","host_organization_lineage":["https://openalex.org/I130769515"],"host_organization_lineage_names":["Pennsylvania State University"],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false}],"best_oa_location":{"is_oa":true,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.295.9043","pdf_url":"http://kabru.eecs.umich.edu/papers/publications/2012/specwifi-final.pdf","source":{"id":"https://openalex.org/S4306400349","display_name":"CiteSeer X (The Pennsylvania State University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_indexed_in_scopus":false,"is_core":false,"host_organization":"https://openalex.org/I130769515","host_organization_name":"Pennsylvania State University","host_organization_lineage":["https://openalex.org/I130769515"],"host_organization_lineage_names":["Pennsylvania State University"],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":32,"referenced_works":["https://openalex.org/W1532066134","https://openalex.org/W1693562991","https://openalex.org/W1863964716","https://openalex.org/W1969247449","https://openalex.org/W1969280328","https://openalex.org/W1971535858","https://openalex.org/W1978374891","https://openalex.org/W2028490525","https://openalex.org/W2044185097","https://openalex.org/W2044277621","https://openalex.org/W2056533507","https://openalex.org/W2071707134","https://openalex.org/W2077204677","https://openalex.org/W2114049553","https://openalex.org/W2118314698","https://openalex.org/W2121669578","https://openalex.org/W2125562505","https://openalex.org/W2141174587","https://openalex.org/W2144369278","https://openalex.org/W2150957281","https://openalex.org/W2152077793","https://openalex.org/W2158345101","https://openalex.org/W2166384086","https://openalex.org/W2167279918","https://openalex.org/W2168078104","https://openalex.org/W2182692758","https://openalex.org/W2293494815","https://openalex.org/W2336312518","https://openalex.org/W2795521910","https://openalex.org/W4238545943","https://openalex.org/W4253384658","https://openalex.org/W44711781"],"related_works":["https://openalex.org/W4283818052","https://openalex.org/W2974381262","https://openalex.org/W2175219228","https://openalex.org/W2051536404","https://openalex.org/W2035472803","https://openalex.org/W2024508902","https://openalex.org/W1992469329","https://openalex.org/W1978157359","https://openalex.org/W1599799365","https://openalex.org/W1576670489"],"abstract_inverted_index":{"This":[0],"paper":[1],"aims":[2],"to":[3,62,97,153],"exploit":[4],"spectrum":[5,24],"white":[6,202],"spaces":[7],"in":[8,117,171,187],"time-domain":[9,76,184],"via":[10],"the":[11,38,46,57,65,81,104,118,148,154,188],"Dynamic":[12],"Spectrum":[13],"Access":[14],"(DSA)":[15],"technology.":[16],"DSA":[17,90,150,185],"relies":[18],"on":[19,136],"opportunistic":[20],"access":[21,73],"of":[22,128,164,190,193],"licensed":[23,194],"by":[25],"unlicensed":[26,72,94],"devices.":[27],"Any":[28],"\"unlicensed-with-licensed\"":[29],"coexistence":[30,82,91,151,186],"must":[31],"ensure":[32],"\"safe\"":[33],"(i.e.,":[34],"un-interfered)":[35],"communications":[36],"for":[37,45,75],"incumbents,":[39],"while":[40,114],"achieving":[41],"high":[42],"spectrum-use":[43],"efficiency":[44,74],"secondary":[47],"users.":[48],"We":[49,158],"propose":[50,85,133],"a":[51,86,110,167],"novel":[52],"and":[53,71,102,125],"comprehensive":[54],"metric":[55],"called":[56],"Coexistence":[58],"Goodness":[59],"Factor":[60],"(CGF)":[61],"accurately":[63],"model":[64],"inherent":[66],"tradeoff":[67],"between":[68],"incumbent":[69,99,129],"safety":[70],"DSA-based":[77],"coexistence.":[78],"To":[79],"optimize":[80],"performance,":[83],"we":[84,132,141],"generic,":[87],"online,":[88],"dual-mode":[89],"protocol.":[92],"The":[93,177],"devices":[95],"attempt":[96],"estimate":[98],"behavior":[100],"patterns,":[101,131],"enter":[103],"Aggressive":[105],"Mode":[106,120],"(AM)":[107],"once":[108],"such":[109],"pattern":[111],"is":[112],"found,":[113],"they":[115],"stay":[116],"Safe":[119],"(SM)":[121],"otherwise.":[122],"For":[123],"low-overhead":[124],"reliable":[126],"estimation":[127],"spectrum-usage":[130],"algorithms":[134],"based":[135],"Approximate":[137],"Entropy":[138],"(ApEn).":[139],"Further,":[140],"design":[142],"Spectrum-Conscious":[143],"WiFi":[144],"(SpeCWiFi),":[145],"which":[146],"provisions":[147],"proposed":[149],"scheme":[152],"base":[155],"802.11":[156,174],"MAC.":[157],"conduct":[159],"an":[160],"extensive":[161],"experimental":[162],"evaluation":[163,178],"SpeCWiFi":[165,181],"using":[166],"MadWifi-based":[168],"prototype":[169],"implementation":[170],"conjunction":[172],"with":[173],"wireless":[175],"cards.":[176],"shows":[179],"that":[180,199],"achieves":[182],"excellent":[183],"presence":[189],"different":[191],"types":[192],"spectrum,":[195],"including":[196],"fast-varying":[197],"channels":[198],"feature":[200],"short-duration":[201],"spaces.":[203]},"abstract_inverted_index_v3":null,"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2046624635","counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2025-04-24T16:40:17.231015","created_date":"2016-06-24"}