Power control for cognitive radio networks under channel uncertainty

E Dall'Anese, SJ Kim, GB Giannakis… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
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 …

Optimal power control for multi-hop software defined radio networks

Y Shi, YT Hou - IEEE INFOCOM 2007-26th IEEE International …, 2007 - ieeexplore.ieee.org
… 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 …

Power control for cognitive radio ad hoc networks

L Qian, X Li, J Attia, Z Gajic - … & Metropolitan Area Networks, 2007 - ieeexplore.ieee.org
… 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 …

Robust distributed power control in cognitive radio networks

S Parsaeefard, AR Sharafat - IEEE Transactions on Mobile …, 2012 - ieeexplore.ieee.org
… 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 (…

Fundamental limitations of power control and radio resource management in wireless networks

F Gunnarsson - Wireless Communications and Mobile …, 2004 - Wiley Online Library
networks is transmission power. The system stability and the resource sharing algorithms all
rely on well functioning power control. … of the radio resource and of power control. Exact and …

Capacity and power control in spread spectrum macrodiversity radio networks

SV Hanly - IEEE Transactions on communications, 1996 - ieeexplore.ieee.org
… 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 …

Robust power control and beamforming in cognitive radio networks: A survey

Y Xu, X Zhao, YC Liang - IEEE Communications Surveys & …, 2015 - ieeexplore.ieee.org
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 (…

Power control in cognitive radio networks: How to cross a multi-lane highway

W Ren, Q Zhao, A Swami - IEEE journal on selected areas in …, 2009 - ieeexplore.ieee.org
… In this paper, we focus on transmission power control. We show that unique features of CR
… questions arise in power control for secondary users. The transmission power of a secondary …

Distributed power control in cellular radio systems

SA Grandhi, R Vijayan… - IEEE Transactions on …, 1994 - ieeexplore.ieee.org
… Transmitter power control is an effective way of increasing the system capacity and quality
of communications in cellular mobile radio systems. The initial work on power control ([1]-[3]) …

Joint power control and beamforming for cognitive radio networks

H Islam, Y Liang, AT Hoang - IEEE transactions on wireless …, 2008 - ieeexplore.ieee.org
… 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