Resource allocation for underlay cognitive radio networks: A survey

M El Tanab, W Hamouda - IEEE Communications Surveys & …, 2016 - ieeexplore.ieee.org
For conventional wireless networks, the main target of resource allocation (RA) is to
efficiently utilize the available resources. Generally, there are no changes in the available …

On Securing Cognitive Radio Networks-Enabled SWIPT Over Cascaded - Fading Channels With Multiple Eavesdroppers

DH Tashman, W Hamouda… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, the physical-layer security (PLS) for an underlay cognitive radio network (CRN)
with multiple non-colluding eavesdroppers is studied. We assume that a secondary user …

Outage analysis of the power splitting based underlay cooperative cognitive radio networks

PT Tin, VD Phan, TN Nguyen, LT Tu, BV Minh… - Sensors, 2021 - mdpi.com
In the present paper, we investigate the performance of the simultaneous wireless
information and power transfer (SWIPT) based cooperative cognitive radio networks …

Antenna selection for dual-hop cognitive radio networks: A multiple-relay scenario

M Elsaadany, W Hamouda - IEEE Transactions on Vehicular …, 2017 - ieeexplore.ieee.org
We study the performance of a dual-hop cognitive radio network sharing the spectrum of a
primary network in an underlay fashion. In particular, the cognitive network consists of a …

Security in physical layer of cognitive radio networks

DH Tashman, W Hamouda - 2022 - IET
Fifth-generation (5G) networks and beyond are anticipated to support a vast number of
connections and services. Due to the enormous amount of confidential data shared between …

Energy efficient design for non-orthogonal AF relaying in underlay spectrum sharing networks

M Elsaadany, W Hamouda - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
In this paper, we address the power allocation problem in an underlay cognitive network that
employs multiple non-orthogonal amplify-and-forward relays. The power allocation at the …

On outage minimization in cognitive radio networks through routing and power control

A Paul, SP Maity - Wireless Personal Communications, 2018 - Springer
This paper addresses the problem of optimal resource allocation in a multi-hop cognitive
radio networks. The objective of the present work is to search for the shortest possible path …

Energy-efficient time and energy resource allocation in non-selfish symbiotic cognitive relaying sensor network with privacy preserving for smart city

P Li, Y Liu, X Gao, H Li, P Gong - EURASIP Journal on Wireless …, 2021 - Springer
Energy efficiency and privacy preserving have become essential for the wireless sensor
networks. In this paper, a joint energy and time resource allocation problem for the cognitive …

Enhancing the performance of amplify-and-forward cognitive relay networks: A multiple-relay scenario

M Elsaadany, W Hamouda - 2015 IEEE Global …, 2015 - ieeexplore.ieee.org
In this paper, we address the problem of maximizing the received signal-to-noise ratio (SNR)
of a relay-assisted secondary network. In particular, a pair of cognitive radio nodes …

[PDF][PDF] Efficient Relay Selection Algorithm for Non-Orthogonal Amplify-and-Forward Cooperative Systems over Block-Fading Channels.

Y Yunida, R Muharar, Y Away, N Nasaruddin - Radioengineering, 2020 - academia.edu
In this paper, an efficient relay selection (RS) algorithm for non-orthogonal amplify-and-
forward (NAF) cooperative systems over block-fading channels, also known as block-fading …