Degrees of freedom region of a class of multisource Gaussian relay networks

SW Jeon, SY Chung, SA Jafar - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We study a layered K-user M-hop Gaussian relay network consisting of Km nodes in the m th
layer, where M≥ 2 and K= K 1= KM+ 1. We observe that the time-varying nature of wireless …

Optimal transmit strategies in multi-antenna bidirectional relaying

TJ Oechtering, H Boche - 2007 IEEE International Conference …, 2007 - ieeexplore.ieee.org
We study the transmit strategies in a MIMO bidirectional relaying scenario with individual
power constraints. In two phases a half-duplex relay node decodes-and-forwards the signals …

A zero-forcing partial decode-and-forward scheme for the Gaussian MIMO relay channel

L Gerdes, L Weiland, W Utschick - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
In this paper, we consider achievable rates for the Gaussian multiple-input multiple-output
(MIMO) relay channel that can be obtained with the relay using the partial decode-and …

On capacity region of two-way multi-antenna relay channel with analogue network coding

R Zhang, CC Chai, YC Liang… - 2009 IEEE International …, 2009 - ieeexplore.ieee.org
This paper studies the wireless two-way relay channel (TWRC), where two source nodes, S1
and S2, exchange information through an assisting relay node, R. It is assumed that R …

Achieving the degrees of freedom of wireless multi-user relay networks

C Wang, H Farhadi, M Skoglund - IEEE transactions on …, 2012 - ieeexplore.ieee.org
We study the available degrees of freedom (DOF) of a class of wireless single-antenna multi-
user relay networks. In these networks the communications between M unconnected source …

Partial decoding for synchronous and asynchronous Gaussian multiple relay channels

A del Coso, C Ibars - 2007 IEEE International Conference on …, 2007 - ieeexplore.ieee.org
Relaying diversity is a key technology to increase capacity in wireless networks. In this
paper, the capacity of a single source-destination wireless channel, aided by a set of N …

A tutorial on the optimization of amplify-and-forward MIMO relay systems

L Sanguinetti, AA D'Amico… - IEEE Journal on Selected …, 2012 - ieeexplore.ieee.org
The remarkable promise of multiple-input multiple-output (MIMO) wireless channels has
motivated an intense research activity to characterize the theoretical and practical issues …

Interference alignment with physical-layer network coding in MIMO relay channels

TT Chan, TM Lok - 2016 IEEE International Conference on …, 2016 - ieeexplore.ieee.org
This paper proposes the ideas of interference alignment with physical-layer network coding
(IAPNC). While conventional interference alignment (IA) aligns interfering signals and then …

MIMO configurations for relay channels: Theory and practice

Y Fan, J Thompson - IEEE Transactions on Wireless …, 2007 - ieeexplore.ieee.org
In this paper we discuss and compare different signalling and routing methods for multiple-
input multiple-output (MIMO) relay networks in terms of the network capacity, where every …

On MIMO relay with finite-rate feedback and imperfect channel estimation

B Yi, S Wang, SY Kwon - IEEE GLOBECOM 2007-IEEE Global …, 2007 - ieeexplore.ieee.org
We investigate how finite-rate feedback and imperfect channel estimation impact MIMO relay
network throughput and design in this paper. We start from multi-antenna transceiver with …