DN Nguyen, M Krunz - IEEE Journal on Selected Areas in …, 2013 - ieeexplore.ieee.org
We consider a multi-channel multi-user cognitive radio MIMO network in which each node controls its antenna radiation directions and allocates power for each data stream by …
DN Nguyen, M Krunz - IEEE Journal on Selected Areas in …, 2012 - ieeexplore.ieee.org
We consider the problem of maximizing the throughput of a multi-antenna cognitive radio (CR) network. With spatial multiplexing over each frequency band, a multi-antenna CR node …
YJA Zhang, AMC So - IEEE Journal on Selected Areas in …, 2011 - ieeexplore.ieee.org
In cognitive radio (CR) networks with multiple-input multiple-output (MIMO) links, secondary users (SUs) can exploit" spectrum holes" in the space domain to access the spectrum …
C Gao, Y Shi, YT Hou… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Cognitive radio (CR) and multiple-input multiple-output (MIMO) are two independent physical layer technologies that have made significant impact on wireless networking. CR …
U Phuyal, A Punchihewa, VK Bhargava… - 2009 IEEE Wireless …, 2009 - ieeexplore.ieee.org
We propose a power loading scheme for multi-carrier cognitive radio (CR) network employing multiple-input multiple-output (MIMO) antennas. We allocate power to different …
L Fu, YJA Zhang, J Huang - IEEE Journal on Selected Areas in …, 2013 - ieeexplore.ieee.org
In this paper, we study energy-efficient transmissions for multiple-input multiple-output (MIMO) cognitive radio (CR) networks in which the secondary unlicensed users coexist with …
N Noori, SM Razavizadeh, A Attar - IEICE Electronics Express, 2010 - jstage.jst.go.jp
In this paper, the problem of joint beamforming and power control is studied in the uplink of multiple-input multiple-output (MIMO) cognitive radio networks (CRNs). The objective is …
H Shahrokh, K Mohamed-pour - 2010 6th International …, 2010 - ieeexplore.ieee.org
Multi-carrier systems are one of the best candidates for applying in Cognitive Radio (CR) networks because of the spectrum shaping and high adaptive capabilities. Since secondary …
B Zayen, M Haddad, A Hayar, GE Øien - Physical Communication, 2008 - Elsevier
Motivated by the desire for efficient spectral utilization, we present a novel algorithm based on binary power allocation for sum rate maximization in Cognitive Radio Networks (CRN). At …