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Optimization in Cooperative Spectrum Sensing
- Authors
- 나주찬
- Issue Date
- 2017
- Publisher
- 사단법인 아태인문사회융합기술교류학회
- Keywords
- cognitive radio(CRs); spectrum sensing; secondary users (SUs); primary users (PUs); cooperative spectrum sensing optimization; Fusion centre (FC); cognitive radio base station( CR-BS).
- Citation
- 아시아태평양융합연구교류논문지, v.3, no.1, pp.19 - 31
- Journal Title
- 아시아태평양융합연구교류논문지
- Volume
- 3
- Number
- 1
- Start Page
- 19
- End Page
- 31
- ISSN
- 2508-9080
- Abstract
- An encouraging technology that grabs the clash between spectrum scarcity and underutilization is cognitive radio (CR), spectrum sensing is the main task of cognitive radio. Cooperative spectrum sensing overcome the adverse effect of shadowing and multipath. In this paper we are focusing on the optimization of cooperative spectrum sensing. Optimization strategy is proposed in order to optimize the overall performance by variation of SNR. In this technique we consider three parameters, spectrum sensing technique used locally, SNR and the number of users. Decision made by all the users is sent to the fusion center which estimate the final presence or absence of primary user.
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