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 …

Distributed interference alignment for K-user interference channels via deep learning

RK Mishra, K Chahine, H Kim, S Jafar… - 2021 IEEE …, 2021 - ieeexplore.ieee.org
In this paper, we develop a framework for an autoencoder based transmission strategy for
achieving distributed interference alignment and optimal power allocation in a multiuser …

The generalized degrees of freedom region of the MIMO interference channel and its achievability

S Karmakar, MK Varanasi - IEEE Transactions on Information …, 2012 - ieeexplore.ieee.org
The generalized degrees of freedom (GDoF) region of the MIMO Gaussian interference
channel (IC) is obtained for the general case of an arbitrary number of antennas at each …

Sum-set inequalities from aligned image sets: Instruments for robust GDoF bounds

AG Davoodi, SA Jafar - IEEE Transactions on Information …, 2020 - ieeexplore.ieee.org
We present sum-set inequalities specialized to the generalized degrees of freedom (GDoF)
framework. These are information theoretic lower bounds on the entropy of bounded density …

Interference decoding for deterministic channels

B Bandemer, A El Gamal - IEEE transactions on information …, 2011 - ieeexplore.ieee.org
An inner bound to the capacity region of a class of deterministic interference channels with
three user pairs is presented. The key idea is to simultaneously decode the combined …

Sum capacity of interference channels with a local view: Impact of distributed decisions

V Aggarwal, Y Liu, A Sabharwal - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Due to the large size of wireless networks, it is often impractical for nodes to track changes in
the complete network state. As a result, nodes have to make distributed decisions about their …

The Approximate Capacity Region of the Symmetric -User Gaussian Interference Channel With Strong Interference

A Chaaban, A Sezgin - IEEE Transactions on Information …, 2016 - ieeexplore.ieee.org
The symmetric K-user interference channel (IC) is studied with the goal of characterizing its
capacity region in the strong interference regime within a constant gap. The achievable rate …

On the capacity of a class of multi-user interference channels

A Chaaban, A Sezgin - 2011 International ITG Workshop on …, 2011 - ieeexplore.ieee.org
Two multiuser interference networks are considered. The first setup is the interfering
multicast network, and the second is the cyclic interference channel. The interfering multicast …

K-user interference channels: General outer bound and sum-capacity for certain Gaussian channels

D Tuninetti - 2011 IEEE International Symposium on …, 2011 - ieeexplore.ieee.org
This paper derives an outer bound on the capacity region of a general memoryless
interference channel with an arbitrary number of users. The derived bound is the first known …