On the beamforming design for efficient interference alignment

SW Choi, SA Jafar, SY Chung - IEEE Communications Letters, 2009 - ieeexplore.ieee.org
An efficient interference alignment (IA) scheme is developed for k-user single-input single-
output frequency selective fading interference channels. The main idea is to steer the …

Optimization of interference alignment beamforming vectors

D Kim, M Torlak - IEEE Journal on Selected Areas in …, 2010 - ieeexplore.ieee.org
The K user interference alignment scheme proposed by Cadambe and Jafar (CJ) achieves
K/2 degrees of freedom for networks with frequency selective channels. In this paper, we …

A new approach of interference alignment through asymmetric complex signaling and multiuser diversity

HY Shin, SH Park, H Park, I Lee - IEEE transactions on …, 2012 - ieeexplore.ieee.org
In this letter, we consider a new interference alignment (IA) strategy for single-input single-
output interference broadcast channels with constant channel coefficients. First, we show …

On the interference management for K-user partially connected fading interference channels

M Khatiwada, SW Choi - IEEE transactions on communications, 2012 - ieeexplore.ieee.org
The multiplexing gain (MUXG) of the K-user interference channel (IC) with partially
connected interfering links is analyzed. The motivation for the partially connected IC comes …

Least squares approach to joint beam design for interference alignment in multiuser multi-input multi-output interference channels

H Yu, Y Sung - IEEE Transactions on Signal Processing, 2010 - ieeexplore.ieee.org
In this correspondence, the problem of interference alignment for K-user time-invariant multi-
input multi-output interference channels is considered. The necessary and sufficient …

A general closed-form solution to achieve interference alignment along spatial domain

S Liu, Y Du - 2010 IEEE Global Telecommunications …, 2010 - ieeexplore.ieee.org
Interference alignment along spatial dimension for the K-user constant MIMO interference
channel with arbitrary antenna configuration is investigated. We show that interference …

Linear beamformer design for interference alignment via rank minimization

G Sridharan, W Yu - IEEE Transactions on Signal Processing, 2015 - ieeexplore.ieee.org
This paper proposes a new framework for the design of transmit and receive beamformers
for interference alignment (IA) without symbol extensions in multi-antenna cellular networks …

A least squares approach to joint beam design for interference alignment in multiuser interference channels

H Yu, J Park, Y Sung, YH Lee - 2009 IEEE 10th Workshop on …, 2009 - ieeexplore.ieee.org
The problem of interference alignment for K-user time-invariant multi-input multi-output
(MIMO) interference channels is considered. A sufficient condition for perfect interference …

A reconfigurable iterative algorithm for the K-user MIMO interference channel

GC Alexandropoulos, CB Papadias - Signal processing, 2013 - Elsevier
Interference alignment (IA) is a recently proposed transmission technique for the K-user
interference channel (IFC), which is proven to achieve a sum-rate multiplexing gain of K/2 at …

Reweighted nuclear norm approach for interference alignment

H Du, T Ratnarajah, M Sellathurai… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Managing uncoordinated interference becomes a substantial problem for heterogeneous
networks, since the unplanned interferences from the femtos cannot be coordinately aligned …