Cognitive radio spectrum allocation using evolutionary algorithms

Z Zhao, Z Peng, S Zheng… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
… As the allocation model can be inherently seen as an … algorithms for cognitive radio spectrum
allocation in this paper. … In Section II, cognitive radio spectrum allocation algorithms based …

Joint spectrum allocation and scheduling for fair spectrum sharing in cognitive radio wireless networks

J Tang, S Misra, G Xue - Computer networks, 2008 - Elsevier
… In this paper, we study joint spectrum allocation and scheduling problems in cognitive radio
… We study the joint spectrum allocation and scheduling problems, which have never been …

Spectrum allocation techniques for cognitive radio networks

M Helmy, MS Hassan, MH Ismail - IEEE Access, 2022 - ieeexplore.ieee.org
… Specifically, a spectrum hole is a reserved segment of the spectrum that is idle. A recently …
is cognitive radio (CR), which is a DSA technique that efficiently uses the spectrum and hence …

Radio resource allocation techniques for efficient spectrum access in cognitive radio networks

GI Tsiropoulos, OA Dobre, MH Ahmed… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
… Opportunistic spectrum access describes the overlay cognitive access method, where each
cognitive … The common idea in all cases is to realize a flexible spectrum allocation policy that …

Resource allocation for spectrum underlay in cognitive radio networks

LB Le, E Hossain - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
A resource allocation framework is presented for spectrum underlay in cognitive wireless
networks. We consider both interference constraints for primary users and quality of service (…

Distributed resource allocation for cognitive radio networks with spectrum-sharing constraints

DT Ngo, T Le-Ngoc - IEEE Transactions on Vehicular …, 2011 - ieeexplore.ieee.org
… objective – a paramount requirement in many cognitive radio applications. In any case, the
… -allocation problem for OFDMA-based cognitive radio ad-hoc networks, where the spectrum-…

Dynamic spectrum allocation for heterogeneous cognitive radio networks with multiple channels

W Zhang, Y Sun, L Deng, CK Yeo… - IEEE Systems …, 2018 - ieeexplore.ieee.org
allocate the spectrum to secondary sender–destination (S–D) pair for sensing and utilization.
In this paper, the authors investigate the spectrum allocationspectrum allocation problem …

Resource allocation for heterogeneous cognitive radio networks with imperfect spectrum sensing

S Wang, ZH Zhou, M Ge, C Wang - IEEE Journal on Selected …, 2013 - ieeexplore.ieee.org
spectrum are highly underutilized due to inefficient conventional regulatory policies [1].
Cognitive Radio (… spectrum [2]. In a CR system, Secondary Users (SUs) are allowed to sense the …

Intelligent spectrum resource allocation based on joint optimization in heterogeneous cognitive radio

X Liu, M Jia - IEEE Transactions on Emerging Topics in …, 2020 - ieeexplore.ieee.org
In conventional cognitive radio (CR), only when a primary user (PU) is detected to be absent,
the idle spectrum can be accessed by a secondary user (SU), in addition, the allocation

A review on spectrum allocation in cognitive radio network

WN Singh, N Marchang - International Journal of …, 2019 - inderscienceonline.com
radio spectrum. In this paper, we present a study of different approaches and techniques
wrt spectrum allocation in cognitive radio … on spectrum allocation. The challenges that a CR …