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Intel."],"published-print":{"date-parts":[[2024,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this paper, we investigate the problem of wideband sensing for cognitive radio. Due to resource constraint, a cognitive node targets at finding a given number of spectrum holes, which is studied under a novel wideband sensing architecture. Specifically, the cognitive node can dynamically focus its sensing measurements on different portions of contiguous channels. An adaptive wideband sensing scheme is proposed under the standard Bayesian experimental design framework via three steps: (1) define a Bayesian cost that incorporates the numbers of desired spectrum holes, (2) design hypothesis testing rule to detect access opportunities, and (3) identify a scheme to adapt the measurements during the sensing process. In order to facilitate implementation, we further propose an approximated Bayesian experiment design scheme to reduce the computational complexity. The performance gain of our wideband sensing scheme is demonstrated via numerical simulation.<\/jats:p>","DOI":"10.1007\/s12065-021-00674-y","type":"journal-article","created":{"date-parts":[[2022,3,9]],"date-time":"2022-03-09T03:02:34Z","timestamp":1646794954000},"page":"239-247","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Adaptive wideband sensing scheme based on Bayesian experimental design"],"prefix":"10.1007","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9584-5713","authenticated-orcid":false,"given":"Keyu","family":"Wu","sequence":"first","affiliation":[]},{"given":"Xingchen","family":"Hu","sequence":"additional","affiliation":[]},{"given":"Hang","family":"Du","sequence":"additional","affiliation":[]},{"given":"Kuihua","family":"Huang","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,3,9]]},"reference":[{"doi-asserted-by":"crossref","unstructured":"Wu K, Jiang H, Tellambura C (2017) Sensing, probing, and transmitting strategy for energy harvesting cognitive radio. 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