Topological interference management through index coding

SA Jafar - IEEE Transactions on Information Theory, 2013 - ieeexplore.ieee.org
This paper studies linear interference networks, both wired and wireless, with no channel
state information at the transmitters except a coarse knowledge of the end-to-end one-hop …

Degrees of freedom of time correlated MISO broadcast channel with delayed CSIT

S Yang, M Kobayashi, D Gesbert… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
We consider the time correlated multiple-input single-output (MISO) broadcast channel
where the transmitter has imperfect knowledge of the current channel state, in addition to …

Fundamental limits of cache-aided wireless BC: Interplay of coded-caching and CSIT feedback

J Zhang, P Elia - IEEE Transactions on Information Theory, 2017 - ieeexplore.ieee.org
Building on the recent coded-caching breakthrough by Maddah-Ali and Niesen, the work
here considers the K-user cache-aided wireless multi-antenna symmetric broadcast channel …

On the synergistic benefits of alternating CSIT for the MISO broadcast channel

R Tandon, SA Jafar, S Shamai… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
The degrees of freedom (DoFs) of the two-user multiple-input single-output (MISO)
broadcast channel (BC) are studied under the assumption that the form, I_i,\;i=1,2, of the …

Aligned image sets under channel uncertainty: Settling conjectures on the collapse of degrees of freedom under finite precision CSIT

AG Davoodi, SA Jafar - IEEE Transactions on Information …, 2016 - ieeexplore.ieee.org
A conjecture made by Lapidoth et al. at Allerton 2005 (also an open problem presented at
ITA 2006) states that the degrees of freedom (DoF) of a two user broadcast channel, where …

Achievable DoF regions of MIMO networks with imperfect CSIT

C Hao, B Rassouli, B Clerckx - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
We focus on a two-receiver multiple-input-multiple-output (MIMO), broadcast channel (BC),
and interference channel (IC) with an arbitrary number of antennas at each node. We …

MISO networks with imperfect CSIT: A topological rate-splitting approach

C Hao, B Clerckx - IEEE Transactions on Communications, 2017 - ieeexplore.ieee.org
Recently, the Degrees-of-Freedom (DoFs) region of multiple-input-single-output (MISO)
networks with imperfect channel state information at the transmitter (CSIT) has attracted …

Resolving the feedback bottleneck of multi-antenna coded caching

E Lampiris, A Bazco-Nogueras… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Multi-antenna cache-aided wireless networks were thought to suffer from a severe feedback
bottleneck, since achieving the maximal Degrees-of-Freedom (DoF) performance required …

Space-time interference alignment and degree-of-freedom regions for the MISO broadcast channel with periodic CSI feedback

N Lee, RW Heath - IEEE Transactions on Information Theory, 2013 - ieeexplore.ieee.org
This paper characterizes the degree-of-freedom (DoF) regions for the multiuser vector
broadcast channel with periodic channel state information (CSI) feedback. As a part of the …

Topological interference management with transmitter cooperation

X Yi, D Gesbert - IEEE Transactions on Information Theory, 2015 - ieeexplore.ieee.org
Interference networks with no channel state information at the transmitter except for the
knowledge of the connectivity graph have been recently studied under the topological …