Exact closed-form solution for detection probability in cognitive radio networks with switch-and-examine combining diversity

M Namdar, H Ilhan - IEEE Transactions on Vehicular …, 2018 - ieeexplore.ieee.org
In this study, we analyze spectrum sensing performance by investigating amplify-and-
forward based cooperative relaying in underlay cognitive radio networks with switch-and …

Outage and BER performances of indoor relay‐assisted hybrid RF/VLC systems

M Namdar, A Basgumus, T Tsiftsis… - Iet …, 2018 - Wiley Online Library
In this study, the authors analyse the outage performance of the indoor relay‐assisted hybrid
radio frequency (RF)/visible light communication (VLC) systems. They derive closed‐form …

Optimal detection thresholds in spectrum sensing with receiver diversity

M Namdar, H Ilhan, L Durak-Ata - Wireless Personal Communications, 2016 - Springer
We investigate the performance of receiver diversity techniques by considering energy
detector based optimal spectrum sensing in cognitive radio networks over Rayleigh fading …

Outage performance analysis of underlay cognitive radio networks with decode-and-forward relaying

M Namdar, A Basgumus - Cognitive Radio, 2017 - books.google.com
In this chapter, we evaluate the outage performance of decode-and-forward relaying in
cognitive radio networks over Rayleigh fading channels, subject to the relay location for a …

Performance analysis of the differential evolution and particle swarm optimization algorithms in cooperative wireless communications

A Basgumus, M Namdar, G Yilmaz… - Optimization Algorithms …, 2016 - books.google.com
In this study, we evaluate the performance of differential evolution (DE) and particle swarm
optimization (PSO) algorithms in free-space optical (FSO) and mobile radio communications …

A novel LMS-BLM algorithm for AF relays based cooperative wireless networks

O Gatera, H Ilhan, AH Kayran - AEU-International Journal of Electronics …, 2016 - Elsevier
Wireless communication networks are usually affected by channel impairments such as
multi-path fading effects, shadowing, noise, etc. Therefore, techniques to mitigate wireless …

Energy detection of spectrum sensing for cognitive radio networks using GFDM modulation

NA Al-Hasaani, M Namdar… - 2017 10th International …, 2017 - ieeexplore.ieee.org
Generalized frequency division multiplexing (GFDM) is a non orthogonal, digital multicarrier
transmission scheme with attractive features that address the requirements of emerging …

[PDF][PDF] Broadcast cognitive radio with dirty paper coding over Nakagami-m fading channel

A Basgumus, M Namdar… - Advances in Electrical …, 2019 - pdfs.semanticscholar.org
The symbol error rate (SER) performance analysis of a broadcast underlay cognitive radio
(CR) network, under Nakagami-m fading channels is studied in this paper. Particularly, the …

Spektrum paylaşım modelinde ikincil kullanıcıların Nakagami-m ve Log-normal sönümlemeli kanallar üzerindeki kapasite analizi

A Başgümüş, MS ARDIÇ, M Namdar - … Mimarlık Fakültesi Dergisi, 2023 - dergipark.org.tr
Bu çalışmada, bilişsel radyo ağı için spektrum paylaşım modelinde birincil kullanıcıdan
gelen girişimin etkisi dikkate alınarak, ortalama alınan güç kısıtlaması altında ikincil kullanıcı …

Multi‐taper spectrum‐based estimator for cognitive radio using multiple antennas and STBC techniques

AO Abdul Salam, RE Sheriff, SR Al‐Araji… - IET Circuits, Devices …, 2018 - Wiley Online Library
An effective approach for the design of spectrum estimation (SE) in cognitive radio systems
using multi‐taper method (MTM) and spatiotemporal features is presented in this study …