Cooperative prediction-and-sensing-based spectrum sharing in cognitive radio networks

VD Nguyen, OS Shin - IEEE Transactions on Cognitive …, 2017 - ieeexplore.ieee.org
This paper proposes prediction-and-sensing-based spectrum sharing, a new spectrum-
sharing model for cognitive radio networks, with a time structure for each resource block …

An ℓ0-norm-constrained adaptive algorithm for joint beamforming and antenna selection

RNG Robert, CA Pitz, ELO Batista, R Seara - Digital Signal Processing, 2022 - Elsevier
This paper presents a new adaptive algorithm for joint beamforming and antenna selection
in mobile communication systems. Such an algorithm is of particular interest for massive …

Joint design of beamforming and antenna selection in short blocklength regime for URLLC in cognitive radio networks

NTV Khanh, TT Nguyen - IEEE Access, 2021 - ieeexplore.ieee.org
This paper considers the short blocklength regime for cognitive radio networks (CRNs) to
deliver ultra-reliable and low-latency communications (URLLCs) promised for beyond 5G …

Percentile Optimization in Wireless Networks—Part II: Beamforming for Cell-Edge Throughput Maximization

AA Khan, RS Adve - IEEE Transactions on Signal Processing, 2024 - ieeexplore.ieee.org
Part I of this two-part paper focused on the formulation of percentile problems, complexity
analysis, and development of power control algorithms via the quadratic fractional transform …

A practical underlay spectrum sharing scheme for cognitive radio networks

PK Sangdeh, H Pirayesh, H Zeng… - IEEE INFOCOM 2019 …, 2019 - ieeexplore.ieee.org
As the proliferation of mobile devices has led to an ever-growing demand for wireless
Internet services, the spectrum shortage issue becomes increasingly severe and spectrum …

A novel resource allocation method based on supermodular game in EH-CR-IoT networks

J Wang, W Jiang, C Chen, R Lin, R Chen, H Wang - Ad Hoc Networks, 2024 - Elsevier
Abstract Internet of Things (IoT) allows the connectivity of smart devices embedded with
sensors, but with the growing problem of overcrowding in unlicensed bands, the data …

Statistical CSI driven transmit antenna selection and power adaptation in underlay spectrum sharing systems

R Sarvendranath, NB Mehta - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In underlay spectrum sharing, transmit antenna selection (TAS) improves the performance of
a secondary system and helps it control the interference it causes to a primary system. TAS …

Impact of multiple primaries and partial CSI on transmit antenna selection for interference-outage constrained underlay CR

R Sarvendranath, NB Mehta - IEEE Transactions on Wireless …, 2018 - ieeexplore.ieee.org
Transmit antenna selection is a low-complexity multiple-antenna technique that exploits
spatial diversity using only one radio frequency chain. We investigate it for an underlay …

Precoding designs for full-duplex multi-user MIMO cognitive networks with imperfect CSI

XX Nguyen, HH Kha - REV Journal on Electronics and Communications, 2019 - rev-jec.org
This paper studies a cognitive radio (CR) network which consists of a full-duplex (FD) multi-
user (MU) multipleinput multiple-output (MIMO) secondary user (SU) networks operating …

Rate adaptive precoder design for massive MIMO cognitive radio system

M Mohamed, B Abdelhamid… - 2019 2nd IEEE Middle …, 2019 - ieeexplore.ieee.org
Massive Multiple Input Multiple Output (MIMO) is considered a promising technology to get
high multiplexing gain in the cognitive network. However, the precoder design at the …