Interference alignment—A new look at signal dimensions in a communication network

SA Jafar - Foundations and Trends® in Communications and …, 2011 - nowpublishers.com
This monograph introduces to the reader the idea of interference alignment, traces its
origins, reviews a variety of interference alignment schemes, summarizes the diverse …

Aligned Interference Neutralization and the Degrees of Freedom of the 222 Interference Channel

T Gou, SA Jafar, C Wang, SW Jeon… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
We show that the 2× 2× 2 interference network, ie, the multihop interference network formed
by concatenation of two two-user interference channels achieves the min-cut outer bound …

Cooperative algorithms for MIMO amplify-and-forward relay networks

KT Truong, P Sartori, RW Heath - IEEE Transactions on signal …, 2013 - ieeexplore.ieee.org
Interference is a common impairment in wireless communication systems. Multi-hop relay
networks use a set of intermediate nodes called relays to facilitate communication between …

Cooperative communication for the rank-deficient mimo interference channel with a reconfigurable intelligent surface

SH Chae, K Lee - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
We study cooperative communication with an active reconfigurable intelligent surface (RIS)
for the-user rank-deficient multiple-input multiple-output (MIMO) interference channel …

Guiding blind transmitters: Degrees of freedom optimal interference alignment using relays

Y Tian, A Yener - IEEE transactions on information theory, 2013 - ieeexplore.ieee.org
Channel state information (CSI) at the transmitters (CSIT) is of importance for interference
alignment schemes to achieve the optimal degrees of freedom (DoF) for wireless networks …

Degrees of freedom for the two-cell two-hop MIMO interference channel: Interference-free relay transmission and spectrally efficient relaying protocol

N Lee, RW Heath Jr - IEEE Transactions on information theory, 2013 - ieeexplore.ieee.org
This paper considers the two-cell two-hop multiple-input-multiple-output (MIMO) interference
channel, where two source groups consisting of multiple users with a single antenna wish to …

Pair-aware interference alignment in multi-user two-way relay networks

RSS Ganesan, H Al-Shatri, A Kuehne… - IEEE Transactions …, 2013 - ieeexplore.ieee.org
In this paper, K bidirectionally communicating node pairs with each node having N antennas
and one amplify and forward relay having R antennas are considered. Each node wants to …

Cooperative relaying for multi-user MIMO wireless backhaul networks

SH Chae, K Lee - IEEE Transactions on Vehicular Technology, 2021 - ieeexplore.ieee.org
With the increasing deployment of more short-range small cells using mmWave
technologies, backhaul becomes a bottleneck and wireless backhaul is relatively attractive …

Feasibility conditions for interference neutralization in relay-aided interference channel

D Wu, C Yang, T Liu, Z Xiong - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
Interference neutralization (IN) is a new interference management mechanism found from
and inherent in interference networks with relays. In this paper, we study the feasibility of IN …

Interference alignment aided by non-regenerative relays for multiuser wireless networks

H Al-Shatri, T Weber - 2011 8th International Symposium on …, 2011 - ieeexplore.ieee.org
Interference alignment is a promising technique to handle the interference in wireless
networks. For a time-invariant channel, interference alignment for a scenario consisting of …