Modified genetic algorithm based power allocation scheme for amplify-and-forward cooperative relay network
Cooperative relay (CR) is a favorable technique to provide better spectral efficiency and
enhance the cell coverage area in a cost-effective manner. However, several undesired …
enhance the cell coverage area in a cost-effective manner. However, several undesired …
Analysis of system outage probability in underlay cognitive two-way amplify-and-forward relay networks
Several works have studied relaying in cognitive radio networks in terms of outage
probability. The main challenge in such works is finding a mathematical expression for this …
probability. The main challenge in such works is finding a mathematical expression for this …
Channel Power Allocation Optimization Based on Water-filling Algorithm in 5G
S Wei, Z Zheng, C Wu - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
Since entering the information age, the popularity of mobile communication has become
higher and higher, and people's requirements for communication quality are also increasing …
higher and higher, and people's requirements for communication quality are also increasing …
New multiple‐input multiple‐output‐based filter bank multicarrier structure for cognitive radio networks
Cognitive radio (CR) has been proposed for spectral efficiency improvement while avoiding
interference with licensed users. The offset quadrature amplitude modulation‐based filter …
interference with licensed users. The offset quadrature amplitude modulation‐based filter …
Channel Power Allocation Optimization Based on Water-filling Algorithm in 5G
W Song, Z Zheng, C Wu - Journal of Physics: Conference …, 2021 - search.proquest.com
Since entering the information age, the popularity of mobile communication has become
higher and higher, and people's requirements for communication quality are also increasing …
higher and higher, and people's requirements for communication quality are also increasing …
[PDF][PDF] Optimal power transmission for various spectrum sharing approaches in OFDM based cognitive radio network
SK Jain, B Kaur - ICTACT J Commun Technol, 2020 - ictactjournals.in
In context of effective resource utilization using spectrum sensing and dynamic spectrum
access (DSA), Cognitive Radio (CR) has been proposed as versatile and an emerging …
access (DSA), Cognitive Radio (CR) has been proposed as versatile and an emerging …
[PDF][PDF] OFDM for cognitive radio systems: Novel power allocation and bit loading algorithms
S Razmi, N Parhizgar - International Journal of Electronics and …, 2019 - psjd.icm.edu.pl
A novel method to improve the performance of the frequency band is cognitive radio that
was introduced in 1999. Due to a lot of advantages of the OFDM, adaptive OFDM method …
was introduced in 1999. Due to a lot of advantages of the OFDM, adaptive OFDM method …