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

Y Xu, X Zhao, YC Liang - IEEE Communications Surveys & …, 2015 - ieeexplore.ieee.org
Traditional spectrum allocation policies may result in temporarily unused radio spectrum.
Cognitive radio (CR) has emerged as a promising technology to exploit the radio spectrum …

A joint precoding framework for wideband reconfigurable intelligent surface-aided cell-free network

Z Zhang, L Dai - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
Thanks to the strong ability against the inter-cell interference, cell-free network is considered
as a promising technique to improve network capacity. However, further capacity …

Robust transmission in downlink multiuser MISO systems: A rate-splitting approach

H Joudeh, B Clerckx - IEEE Transactions on Signal Processing, 2016 - ieeexplore.ieee.org
We consider a downlink multiuser MISO system with bounded errors in the channel state
information at the transmitter (CSIT). We first look at the robust design problem of achieving …

Robust beamformer design in active RIS-assisted multiuser MIMO cognitive radio networks

R Allu, O Taghizadeh, SK Singh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this work, we address the problem of a joint robust transmission, reflection and reception
strategy design at an active reconfigurable intelligent surface (RIS)-assisted underlay …

Securing reconfigurable intelligent surface-aided cell-free networks

W Hao, J Li, G Sun, M Zeng… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this paper, we investigate the physical layer security in the reconfigurable intelligent
surface (RIS)-aided cell-free networks. A maximum weighted sum secrecy rate problem is …

Robust resource allocation for wireless-powered backscatter communication systems with NOMA

Y Xu, R Xu, D Li, G Yang, G Wang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The integration of wireless-powered communication and backscatter communication
(BackCom) is envisioned as a promising communication paradigm for the future Internet of …

Sum rate maximization of MIMO monostatic backscatter networks by suppressing residual self-interference

A Hakimi, S Zargari, C Tellambura… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Monostatic backscatter (MBS) networks provide connectivity for ultra-low power and low-cost
tags for numerous applications. However, the reader operates in the full-duplex (FD) mode …

Weighted sum rate maximization in full-duplex multi-user multi-cell MIMO networks

P Aquilina, AC Cirik… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, we focus on a multi-user multi-cell scenario with full-duplex (FD) base-stations
and half-duplex (HD) downlink (DL) and uplink (UL) users, where all nodes are equipped …

Energy-efficient secure short-packet transmission in NOMA-assisted mMTC networks with relaying

S Lv, X Xu, S Han, X Tao… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Massive Machine-Type Communication (mMTC) is proposed by ITU to provide a large scale
of connectivity services for billions of machine-type communications devices (MTCDs) via …

Vulnerability and protection of channel state information in multiuser MIMO networks

YC Tung, S Han, D Chen, KG Shin - Proceedings of the 2014 ACM …, 2014 - dl.acm.org
Multiple-In-Multiple-Out (MIMO) offers great potential for increasing network capacity by
exploiting spatial diversity with multiple antennas. Multiuser MIMO (MU-MIMO) further …