Improper Gaussian signaling for downlink NOMA systems with imperfect successive interference cancellation

H Cheng, Y Xia, Y Huang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Non-orthogonal multiple access (NOMA) exhibits superiority in spectrum efficiency which is
particularly essential in the Internet of Things (IoT) system involving massive number of …

Partial-DF full-duplex D2D-NOMA systems for IoT with/without an eavesdropper

W Duan, Y Ji, J Hou, B Zhuo, M Wen… - IEEE Internet of Things …, 2020 - ieeexplore.ieee.org
The massive connectivity and information exchange in the Internet of Things (IoT) pose great
challenges to the bandwidth efficiency. To overcome this issue, this article investigates a …

Improper Gaussian signaling scheme for the Z-interference channel

E Kurniawan, S Sun - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
This paper studies improper Gaussian signaling in the Z-Interference-Channel (ZIC) for the
case when the interference is treated as noise. The extra degree of freedom from improper …

Overlay spectrum sharing using improper Gaussian signaling

O Amin, W Abediseid, MS Alouini - IEEE Journal on Selected …, 2016 - ieeexplore.ieee.org
Improper Gaussian signaling (IGS) scheme has been recently shown to provide
performance improvements in interference-limited networks as opposed to the conventional …

Cooperation in 5G heterogeneous networking: Relay scheme combination and resource allocation

Z Chen, T Li, P Fan, TQS Quek… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In 5G heterogeneous networking, it is promising to integrate different wireless networks to
provide higher data rate. This paper models the integrated system as a receiver frequency …

Block-skew-circulant matrices in complex-valued signal processing

C Hellings, W Utschick - IEEE Transactions on Signal …, 2015 - ieeexplore.ieee.org
Two main lines of approach can be identified in the recent literature on improper signals and
widely linear operations. The augmented complex formulation based on the signal and its …

Full-Duplex Relaying With Improper Gaussian Signaling Over Nakagami- Fading Channels

M Gaafar, MG Khafagy, O Amin… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
We study the potential employment of improper Gaussian signaling (IGS) in full-duplex
relaying (FDR) with non-negligible residual self-interference (RSI) under Nakagami-m …

Improper Gaussian signaling in full-duplex relay channels with residual self-interference

M Gaafar, MG Khafagy, O Amin… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
We study the potential employment of improper Gaussian signaling (IGS) in full-duplex
cooperative settings with residual self-interference (RSI). IGS is recently shown to …

Minimax duality for MIMO interference networks

A Dotzler, M Riemensberger, W Utschick - Information, 2016 - mdpi.com
A minimax duality for a Gaussian mutual information expression was introduced by Yu. An
interesting observation is the relationship between cost constraints on the transmit …

Iterative algorithms for transceiver design in MIMO broadcast channels with improper signaling

C Hellings, W Utschick - SCC 2015; 10th International ITG …, 2015 - ieeexplore.ieee.org
Recent research has revealed that using improper (noncircular) transmit signals can be
beneficial in multiple-input multiple-output broadcast channels if highly complex nonlinear …