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Spectrum sensing is one of the key steps to achieve cognitive radio technology. To address this problem in the presence of Alpha stable noise in wireless communication systems, we propose a nonparametric autocorrelation method, which takes advantages of the characteristics of signal autocorrelation and noise nonstationarity. The autocorrelated signal is distinguished from Alpha stable noise. As a result, the proposed method is immune from noise uncertainty. Simulation results show the validity of the proposed method under Alpha stable noise, for example, impulsive noise in wireless information systems.<\/jats:p>","DOI":"10.1155\/2016\/6753830","type":"journal-article","created":{"date-parts":[[2016,5,16]],"date-time":"2016-05-16T17:01:35Z","timestamp":1463418095000},"page":"1-6","source":"Crossref","is-referenced-by-count":6,"title":["Spectrum Sensing Based on Nonparametric Autocorrelation in Wireless Communication Systems under Alpha Stable Noise"],"prefix":"10.1155","volume":"2016","author":[{"given":"Riqing","family":"Chen","sequence":"first","affiliation":[{"name":"Fujian Agriculture and Forestry University, Fuzhou 350002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Wang","sequence":"additional","affiliation":[{"name":"Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruiquan","family":"Lin","sequence":"additional","affiliation":[{"name":"Fuzhou University, Fuzhou 350108, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiangning","family":"Zhao","sequence":"additional","affiliation":[{"name":"Fujian Agriculture and Forestry University, Fuzhou 350002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1109\/msp.2012.2183771"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1109\/mvt.2013.2269187"},{"issue":"8","key":"3","doi-asserted-by":"crossref","first-page":"785","DOI":"10.1049\/iet-com.2010.0571","volume":"6","year":"2012","journal-title":"IET Communications"},{"issue":"12","key":"4","doi-asserted-by":"crossref","first-page":"3620","DOI":"10.1109\/TCOMM.2012.091212.110084","volume":"60","year":"2012","journal-title":"IEEE Transactions on Communications"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1109\/78.317857"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1007\/s00034-013-9628-x"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1109\/tvt.2008.2005267"},{"key":"8","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2009.06.070402"},{"key":"9","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2009.2035628"},{"key":"10","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2014.2361076"},{"key":"11","doi-asserted-by":"publisher","DOI":"10.1109\/18.370106"},{"key":"12","doi-asserted-by":"publisher","DOI":"10.1109\/twc.2010.071410.100194"}],"container-title":["Mobile Information Systems"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2016\/6753830.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2016\/6753830.xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/downloads.hindawi.com\/journals\/misy\/2016\/6753830.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,24]],"date-time":"2017-06-24T09:45:04Z","timestamp":1498297504000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.hindawi.com\/journals\/misy\/2016\/6753830\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2016]]},"references-count":12,"alternative-id":["6753830","6753830"],"URL":"https:\/\/doi.org\/10.1155\/2016\/6753830","relation":{},"ISSN":["1574-017X","1875-905X"],"issn-type":[{"value":"1574-017X","type":"print"},{"value":"1875-905X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2016]]}}}