Joint rate and power allocation for cognitive radios in dynamic spectrum access environment

DI Kim, LB Le, E Hossain - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
… In this paper, we present solutions for the spectrum sharing problem in a dynamic spectrum
access environment. We consider the case where only mean channel gains from secondary …

Capacity and power allocation for spectrum-sharing communications in fading channels

L Musavian, S Aïssa - IEEE Transactions on Wireless …, 2009 - ieeexplore.ieee.org
spectrum-sharing channels in fading environments. The concept of opportunistic spectrum
access is … the utilization of the radio spectrum by implementing efficient sharing of the licensed …

Optimal cognitive radio spectrum access with joint spectrum sensing and power allocation

M Karimi, SMS Sadough… - IEEE Wireless …, 2019 - ieeexplore.ieee.org
spectrum access, which assigns a probability for CR signal transmission over the spectrum of
a PU, we show that the optimal spectrum access … or not accessing the spectrum by SUs is a …

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

GI Tsiropoulos, OA Dobre, MH Ahmed… - … Surveys & Tutorials, 2014 - ieeexplore.ieee.org
spectrum access by employing dynamic spectrum allocation … their operation and share
access to the same spectral region in an … ACI mainly depends on the power allocated to each …

Joint pricing and power allocation for dynamic spectrum access networks with Stackelberg game model

Y Wu, T Zhang, DHK Tsang - IEEE Transactions on Wireless …, 2010 - ieeexplore.ieee.org
… If PU has a flexibility to adjust its power allocation, then the tolerable interference will be …
pricing and power allocation for DSA networks. Due to the co-channel transmission, SU’s power

Subcarrier and power allocation for OFDMA-based cognitive radio systems with joint overlay and underlay spectrum access mechanism

G Bansal, MJ Hossain, VK Bhargava… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
… resource allocation for either overlay or underlay spectrum access mechanism, we propose
subcarrier and power allocation schemes for a joint overlay and underlay spectrum access

Improved joint spectrum sensing and power allocation for cognitive radio networks using probabilistic spectrum access

M Karimi, SMS Sadough, M Torabi - IEEE Systems Journal, 2019 - ieeexplore.ieee.org
… For a realization y = [yk ]K ×1 of Y, we define the spectrum access probability as the
probability of accessing the PU spectrum by the SU conditioned on the measured energies Y = y, …

Dynamic spectrum access and power allocation for cooperative cognitive radio networks

J Zou, Q Wu, H Xiong, CW Chen - IEEE Transactions on Signal …, 2015 - ieeexplore.ieee.org
power of primary users. In this paper, we consider an auction-based spectrum access and
power allocation … of the channel access time and cooperative transmit power to secondary …

A stochastic optimization framework for adaptive spectrum access and power allocation in licensed-assisted access networks

Y Gu, Y Wang, Q Cui - IEEE Access, 2017 - ieeexplore.ieee.org
… -aware adaptive spectrum access and power allocation problem in coexistence of LAA…
spectrum access and power allocation that enables the minimization of the system average power

Distributed dynamic spectrum access with adaptive power allocation: Energy efficiency and cross-layer awareness

MB Ghorbel, B Hamdaoui, R Hamdi… - … IEEE Conference on …, 2014 - ieeexplore.ieee.org
… In this worN, we propose a joint dynamic multi-channel spectrum access and adaptive
power allocation techniques that extend the technique proposed in [5] to account for power