A general power allocation scheme to guarantee quality of service in downlink and uplink NOMA systems

Z Yang, Z Ding, P Fan… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
In this paper, a novel dynamic power allocation scheme is proposed to downlink and uplink
non-orthogonal multiple access (NOMA) scenarios with two users for more flexibly meeting …

White space: Definitional perspectives and their role in exploiting spectrum opportunities

F Akhtar, MH Rehmani, M Reisslein - Telecommunications Policy, 2016 - Elsevier
Abstract The US Federal Communications Commission (FCC) defines white space as the
channels that are unused at a specific location or time. For futuristic cognitive radio (CR) …

Robust energy-efficient MIMO transmission for cognitive vehicular networks

D Tian, J Zhou, Z Sheng… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This work investigates a robust energy-efficient solution for multiple-input–multiple-output
(MIMO) transmissions in cognitive vehicular networks. Our goal is to design an optimal …

Robust adaptive power control for cognitive radio networks

Y Xu, X Zhao - IET Signal Processing, 2016 - Wiley Online Library
In this study, the problem of robust adaptive power control (PC) in an underlay cognitive
radio network with multiple secondary users (SUs) and primary users (PUs) is considered …

Coupled detection and estimation based censored spectrum sharing in cognitive radio networks

J Mansukhani, P Ray… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A novel spectrum sharing strategy based on coupled detection and estimation is proposed
for cognitive radio networks. The proposed approach is able to tradeoff throughput for …

[PDF][PDF] 认知MIMO 干扰网络的顽健干扰对齐算法

朱世磊, 周游, 任修坤, 胡捍英 - 通信学报, 2016 - infocomm-journal.com
针对重叠式认知MIMO 干扰信道状态信息(CSI) 非理想的问题, 提出一种顽健干扰对齐算法.
首先通过欧几里得球形不确定性刻画非理想CSI, 以最小化用户干扰泄漏为目标, 构建非理想CSI …

Robust cooperative beamforming against steering vector uncertainty in cognitive radio networks

MM Alam, S Bhattarai, L Hong… - 2016 13th IEEE Annual …, 2016 - ieeexplore.ieee.org
Transmit beamforming is one of the promising ways of accessing spectrum in an underlay
cognitive radio network (CRN). In this paper, a robust cooperative transmit beamforming …

Robust cooperative relay beamforming for cognitive radio networks

S Singh, PD Teal, PA Dmochowski… - 2016 Australian …, 2016 - ieeexplore.ieee.org
This paper considers a cognitive radio (CR) relay network which consists of a cognitive
source, a cognitive destination and a number of cognitive relay nodes that share spectrum …

Filter‐and‐forward relaying in cognitive networks with blind channel estimation

S Mohammadkhani, GK Karagiannidis - IET Communications, 2016 - Wiley Online Library
The authors study the design of cooperative beamforming for an underlay cognitive relay
network over frequency selective fading channels. The network under consideration consists …

An adaptive detection and beamforming algorithm for a variable number of signals

L Tuţă, I Nicolaescu - 2016 International Conference on …, 2016 - ieeexplore.ieee.org
This paper presents a method to eliminate an unknown number of interferences from the
signals received by an antenna array, with the purpose of obtaining only the incident signals …