… 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) …

… 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. …

… 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 (…

… 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 …

… 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 …

… 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 …

… 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 …

… ) 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 …

… is a power allocation for the channel allocation found by … on the channel allocation and
power allocation problems. The … simplified joint bandwidth-power allocation for a single user …

… Abstract—This paper studies optimal bandwidth and power allocation in a cognitive radio
network where multiple secondary users (SUs) share the licensed spectrum of a primary user (…