Optimal sensing time and power allocation in multiband cognitive radio networks

S Stotas, A Nallanathan - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
… Therefore, in the following we focus on finding the optimal power allocation strategy that …
(WSSS) cognitive radio network. The Lagrangian with respect to the transmit powers P(0) …

Joint beamforming and power allocation for multiple access channels in cognitive radio networks

L Zhang, YC Liang, Y Xin - IEEE Journal on Selected Areas in …, 2008 - ieeexplore.ieee.org
… CR network and a PU network. We in this paper only consider the power allocation and
beamforming for the CR network. … , we will derive the power allocation schemes for CR networks. …

Optimal power allocation for fading channels in cognitive radio networks: Ergodic capacity and outage capacity

X Kang, YC Liang, A Nallanathan… - IEEE Transactions …, 2009 - ieeexplore.ieee.org
… optimal power allocation strategies for SU to achieve aforementioned capacities. Besides
the interference power constraint to protect PU, we also consider the transmit power constraint …

Optimal energy-efficient power allocation for OFDM-based cognitive radio networks

Y Wang, W Xu, K Yang, J Lin - IEEE Communications Letters, 2012 - ieeexplore.ieee.org
… To maximize the energy-efficiency of the CR user under joint total transmit power and
interference constraints, we proposed an optimal power allocation algorithm using equivalent …

Adaptive power allocation schemes for spectrum sharing in interference-alignment-based cognitive radio networks

N Zhao, FR Yu, H Sun, M Li - IEEE transactions on vehicular …, 2015 - ieeexplore.ieee.org
… In addition, power allocation (PA) in IA-based CR networks is largely ignored, which can …
networks is studied. To guarantee the QoS requirement of the PU, its minimal transmitted power

Power control and channel allocation in cognitive radio networks with primary users' cooperation

AT Hoang, YC Liang, MH Islam - IEEE Transactions on Mobile …, 2009 - ieeexplore.ieee.org
radio network that shares a set of channels with a primary network. Within the cognitive …
In this paper, we consider a point-to-multipoint cognitive radio network in which a base station (…

Energy-efficient resource assignment and power allocation in heterogeneous cloud radio access networks

M Peng, K Zhang, J Jiang, J Wang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
… problem with the resource assignment and power allocation for the orthogonal-frequency-…
resource allocation solution to jointly allocate the resource block and transmit power are …

A two-phase channel and power allocation scheme for cognitive radio networks

AT Hoang, YC Liang - … on Personal, Indoor and Mobile Radio …, 2006 - ieeexplore.ieee.org
… ) network, power and channel allocation must be carried out within the cognitive radio network
… For such a cognitive network, we propose a two-phase channel/power allocation scheme …

Optimal bandwidth and power allocation for sum ergodic capacity under fading channels in cognitive radio networks

X Gong, SA Vorobyov… - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
… studies optimal bandwidth and power allocation in a cognitive radio network where multiple
… of the network. Besides all combinations of the peak/average transmit power constraints at …

Energy-efficient design of sequential channel sensing in cognitive radio networks: Optimal sensing strategy, power allocation, and sensing order

Y Pei, YC Liang, KC Teh, KH Li - IEEE Journal on Selected …, 2011 - ieeexplore.ieee.org
… Hence, maximum transmit power may not be optimal from the perspective of … power allocation
design in the study of energy efficiency. To incorporate the adaptive power allocation into …