Method and apparatus for prioritized information delivery with network coding over time-varying network topologies

UC Kozat, C Pépin, H Papadopoulos… - US Patent …, 2014 - Google Patents
A method and apparatus is disclosed herein for information delivery with network coding
over time-varying network topologies. In one embodiment, the method comprises …

Method for varying transmit power patterns in a multi-cell environment

G Caire, H Papadopoulos, SA Ramprashad… - US Patent …, 2014 - Google Patents
US8705484B2 - Method for varying transmit power patterns in a multi-cell environment -
Google Patents US8705484B2 - Method for varying transmit power patterns in a multi-cell …

A Tutorial on Downlink Precoder Selection Strategies for 3GPP MIMO Codebooks

X Fu, D Le Ruyet, R Visoz, V Ramireddy… - IEEE …, 2023 - ieeexplore.ieee.org
This paper deals with the evolution of downlink codebook based multiple-input multiple-
output (MIMO) within the third generation partnership project (3GPP) through release 15 to …

[HTML][HTML] Advances in MIMO techniques for mobile communications—a survey

F Khalid, J Speidel - Int'l J. of Communications, Network and System …, 2010 - scirp.org
This paper provides a comprehensive overview of critical developments in the field of
multiple-input multiple-output (MIMO) wireless communication systems. The state of the art …

On the equivalence of MMSE and IRC receiver in MU-MIMO systems

Z Bai, B Badic, S Iwelski, T Scholand… - IEEE …, 2011 - ieeexplore.ieee.org
In order to combat the residual interference in multiuser multiple-input and multiple-output
systems (MU-MIMO), a number of low-complexity interference aware type of receivers have …

A channel matching based hybrid analog-digital strategy for massive multi-user MIMO downlink systems

J Zhang, M Haardt, I Soloveychik… - 2016 IEEE Sensor Array …, 2016 - ieeexplore.ieee.org
In this paper we study the downlink of a hybrid analog-digital massive multi-user MIMO (MU-
MIMO) system. An efficient hybrid strategy is proposed, where the analog beamforming …

Robust hybrid precoding for multiuser MIMO wireless communication systems

F Khalid, J Speidel - IEEE transactions on wireless …, 2014 - ieeexplore.ieee.org
We present a multi-stage hybrid optimization approach to linear precoder design in
multiuser MIMO systems and propose two efficient iterative algorithms that also incorporate …

Inter-cell approach to operating wireless beam-forming and user selection/scheduling in multi-cell environments based on limited signaling between patterns of …

SA Ramprashad, X Tang, HC Papadopoulos - US Patent 8,542,640, 2013 - Google Patents
Methods, architectures and techniques of operating a joint beam-forming and user-selection
system across multiple cells for downlink communication in a multi-cell environment. The …

Underwater localization based on grid computation and its application to transmit beamforming in multiuser UWA communications

L Liao, YV Zakharov, PD Mitchell - IEEE Access, 2018 - ieeexplore.ieee.org
Underwater localization is a challenging problem and established technologies for terrestrial
systems cannot be used, notably the Global Positioning System (GPS). In this paper, we …

Mu-mimo and csi feedback performance of nr/lte

B Mondal, V Sergeev, A Sengupta… - 2019 53rd Annual …, 2019 - ieeexplore.ieee.org
The Re1-15 physical layer air-interface specifications for NR (5G) and LTE (4G) has been
released by 3GPP in September 2018. This paper aims to study two principal gain …