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http://hdl.handle.net/10397/107268
Title: | Log-average-SNR ratio and cooperative spectrum sensing | Authors: | Yue, DW Lau, FCM Wang, Q |
Issue Date: | Jun-2016 | Source: | Journal of communications and networks, June 2016, v. 18, no. 3, p. 311-319 | Abstract: | In this paper, we analyze the spectrum-sensing performance of a cooperative cognitive radio (CR) network consisting of a number of CR nodes and a fusion center (FC). We introduce the «log-average-SNR ratio» that relates the average SNR of the CR-node-FC link and that of the primary-user-CR-node link. Assuming that the FC utilizes the K-out-of-N rule as its decision rule, we derive exact expressions for the sensing gain and the coding gain - parameters used to characterize the CR network performance at the high SNR region. Based on these results, we determine ways to optimize the performance of the CR network. | Keywords: | Coding gain Cognitive radio (CR) Log-average-SNR-ratio Missing-detection probability Sensing gain Spectrum sensing |
Publisher: | Korean Institute of Communication Sciences | Journal: | Journal of communications and networks | EISSN: | 1229-2370 | DOI: | 10.1109/JCN.2016.000046 | Rights: | © 2016 KICS. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication D. -W. Yue, F. C. M. Lau and Q. Wang, "Log-average-SNR ratio and cooperative spectrum sensing," in Journal of Communications and Networks, vol. 18, no. 3, pp. 311-319, June 2016 is available at https://doi.org/10.1109/TCSII.2019.2935031. |
Appears in Collections: | Journal/Magazine Article |
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Lau_Log-Average-Snr_Ratio_Cooperative.pdf | Pre-Published version | 2.72 MB | Adobe PDF | View/Open |
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