An overview of spectrum sharing techniques in cognitive radio communication system

S Pandit, G Singh - Wireless Networks, 2017 - Springer
As the complexities of wireless technologies increase, novel multidisciplinary approaches
for the spectrum sharing/management are required with inputs from the technology …

Capacity enhancement of secondary links through spatial diversity in spectrum sharing

H Wang, J Lee, S Kim, D Hong - IEEE Transactions on Wireless …, 2010 - ieeexplore.ieee.org
Previous investigations on capacity of secondary users in spectrum-sharing environments
have determined the capacity of a secondary link based on the interference power threshold …

Cognitive radios with multiple antennas exploiting spatial opportunities

L Bixio, G Oliveri, M Ottonello, M Raffetto… - IEEE Transactions …, 2010 - ieeexplore.ieee.org
In this correspondence, the achievable rates of the so called “multiple-input multiple-output
interference channel,” exploited by a couple of single antenna primary terminals and two …

Nullspace-based secondary joint transceiver scheme for cognitive radio MIMO networks using second-order statistics

H Yi - 2010 IEEE International Conference on …, 2010 - ieeexplore.ieee.org
In this paper, we propose a practical nullspace-based secondary joint transceiver scheme
for the coexistence of a secondary system and a primary system in cognitive radio MIMO …

Hardware impairment detection and prewhitening on MIMO precoder for spectrum sharing

V Ponnusamy, S Malarvihi - Wireless Personal Communications, 2017 - Springer
Multiple input multiple out (MIMO) cognitive radio offer the spatial degree of freedom that can
be used to share the spectrum with less interference via Precoding Technique. Many …

[HTML][HTML] A cooperative phase-steering technique in spectrum sharing-based military mobile ad hoc networks

S Lee, J Youn, BC Jung - ICT Express, 2020 - Elsevier
In military applications, mobile ad hoc networks are commonly used due to the autonomy,
self-configuration, and flexibility. In addition, spectrum sharing-based communication …

A cooperative phase-steering technique with on-off power control for spectrum sharing-based wireless sensor networks

S Lee, J Yoon, BC Jung - Sensors, 2020 - mdpi.com
With the growth of the number of Internet of Things (IoT) devices, a wide range of wireless
sensor networks (WSNs) will be deployed for various applications. In general, WSNs are …

Interference minimization approach to precoding scheme in MIMO-based cognitive radio networks

M Jung, K Hwang, S Choi - IEEE communications letters, 2011 - ieeexplore.ieee.org
A precoding scheme based on the interference minimization is proposed for an interference-
limited communication system such as multiple-input multiple-output (MIMO)-based …

MIMO transceiver designs for spatial sensing in cognitive radio networks

K Lee, CB Chae, RW Heath… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We propose transceiver algorithms in cognitive radio networks where the cognitive users are
equipped with multiple antennas. Prior work has focused on the design of precoding …

Opportunistic interference alignment for spectrum sharing between radar and communication systems

DH Kim, J Youn, BC Jung - Sensors, 2020 - mdpi.com
In this paper, we propose a novel opportunistic interference alignment technique for
spectrum-shared radar and uplink cellular communication systems where both systems are …