… radio (CR) networks can re-use the RF spectrum licensed to a primary user (PU) network, …
even in such challenging scenarios, power control algorithms that take channel uncertainty …

… Power control and beamforming are two key techniques in … information and interference
power) to enable power control and … power control and beamforming in cognitive radio networks (…

… the 20-node network described above for different level of power control granularity (Q). Note
that Q = 1 corresponds to the case of no power control, ie, a node uses its peak power P for …

… This paper will consider the power control problem for the first category, and we focus on …
and the cognitive radio network operate simultaneously. The power control problem becomes …

… Abstract—We propose a robust distributed uplink power allocation algorithm for underlay
cognitive radio networks (CRNs) with a view to maximizing the social utility of secondary users (…

… The secondary network uses cognitive radio technology to make … power control and
beamforming with the objective of minimizing the total transmitted power of the cognitive network …

… as functions of the transmission power ptx based on a Poisson primary network model. Based
on these analytical results, we study power control for optimal transport throughput in Sec. …

… power Pp at a constant rate Rp. This scenario is compatible with the IEEE 802.22 wireless
regional area network … , we propose an opportunistic power control strategy which enables the …

… of power control and channel assignment to maximize the downlink throughput of the cognitive
radio network … The problem of power control/ channel assignment to maximize the total …

… Our approach is to say that a configuration of users is feasible if an associated power control
problem has a solution. We show that the power control problem is a nonlinear fixed point …