Spectrum Sensing and Data Transmission in a Cognitive Relay Network Considering Spatial False Alarms

Tasnina A. Tishita, Sumiya Akhter, Md. Imdadul Islam and M. R. Amin
Volume: 10, No: 3, Page: 459 ~ 470, Year: 2014
10.3745/JIPS.03.0007
Keywords: Cognitive Network, Conventional False Alarms, Probability of Symbol Error Rate, Spatial False Alarms, Spectrum Sensing
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Abstract
In this paper, the average probability of the symbol error rate (SER) and throughput are studied in the presence of joint spectrum sensing and data transmission in a cognitive relay network, which is in the environment of an optimal power allocation strategy. In this investigation, the main component in calculating the secondary throughput is the inclusion of the spatial false alarms, in addition to the conventional false alarms. It has been shown that there exists an optimal secondary power amplification factor at which the probability of SER has a minimum value, whereas the throughput has a maximum value. We performed a Monte-Carlo simulation to validate the analytical results.

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Cite this article
IEEE Style
Tasnina A. Tishita, Sumiya Akhter, Md. Imdadul Islam, and M. R. Amin, "Spectrum Sensing and Data Transmission in a Cognitive Relay Network Considering Spatial False Alarms," Journal of Information Processing Systems, vol. 10, no. 3, pp. 459~470, 2014. DOI: 10.3745/JIPS.03.0007.

ACM Style
Tasnina A. Tishita, Sumiya Akhter, Md. Imdadul Islam, and M. R. Amin, "Spectrum Sensing and Data Transmission in a Cognitive Relay Network Considering Spatial False Alarms," Journal of Information Processing Systems, 10, 3, (2014), 459~470. DOI: 10.3745/JIPS.03.0007.