Title :
Performance of cognitive decode-and-forward relaying systems over Weibull fading channels
Author :
Samarasekera, A. Chaminda J. ; Dac-Binh Ha ; Huu Khuong Nguyen
Author_Institution :
Blekinge Inst. of Technol., Karlskrona, Sweden
Abstract :
In this paper, the performance of dual-hop decode-and-forward (DF) cognitive relay networks over independent non-identically distributed (i.n.i.d.) Weibull fading channels are evaluated, in a spectrum sharing environment. Where the transmit power of the secondary network is governed by the maximum interference power that the primary networks´ receiver can tolerate. The closed form outage probability (OP), symbol error probability (SEP) and the ergodic capacity under interference power constraints from the primary network over i.n.i.d. Weibull fading channels are derived using statistical characteristics of the signal-to-noise ratio (SNR). The analytical results are verified by Monte-Carlo simulation.
Keywords :
Monte Carlo methods; Weibull distribution; decode and forward communication; error statistics; fading channels; radio spectrum management; radiofrequency interference; relay networks (telecommunication); DF; Monte Carlo simulation; OP; SEP; SNR; dual hop decode-and-forward cognitive relay network; ergodic capacity; i.n.i.d.Weibull fading channel; independent nonidentically distributed channel; maximum interference power; outage probability; primary network receiver; secondary network transmit power; signal-to-noise ratio; spectrum sharing environment; symbol error probability; Analytical models; Interference; Signal to noise ratio; Weibull fading channels; Cognitive Relay Networks; Cooperative Communication; Weibull Fading;
Conference_Titel :
Computing, Management and Telecommunications (ComManTel), 2014 International Conference on
Conference_Location :
Da Nang
Print_ISBN :
978-1-4799-2904-7
DOI :
10.1109/ComManTel.2014.6825568