Optimal channel training in uplink network MIMO systems

J Hoydis, M Kobayashi… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We consider a multicell frequency-selective fading uplink channel (network MIMO) from K
single-antenna user terminals (UTs) to B cooperative base stations (BSs) with M antennas …

On the optimal number of cooperative base stations in network MIMO systems

J Hoydis, M Kobayashi, M Debbah - arXiv preprint arXiv:1003.0332, 2010 - arxiv.org
We consider a multi-cell, frequency-selective fading, uplink channel (network MIMO) where
K user terminals (UTs) communicate simultaneously with B cooperative base stations (BSs) …

Joint signal and channel state information compression for the backhaul of uplink network MIMO systems

J Kang, O Simeone, J Kang… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In network MIMO cellular systems, subsets of base stations (BSs), or remote radio heads, are
connected via backhaul links to central units (CUs) that perform joint encoding in the …

Training and feedback optimization for multiuser MIMO downlink

M Kobayashi, N Jindal, G Caire - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We consider a MIMO fading broadcast channel where the fading channel coefficients are
constant over time-frequency blocks that span a coherent time xa coherence bandwidth. In …

Techniques for multi-user MIMO with two-way training

KS Gomadam, HC Papadopoulos… - 2008 IEEE …, 2008 - ieeexplore.ieee.org
We consider forward-link multiuser MIMO transmission, whereby K users are served by a
base station with a large number of (potentially distributed) transmit antennas. We address …

Optimal training for MIMO frequency-selective fading channels

X Ma, L Yang, GB Giannakis - IEEE Transactions on Wireless …, 2005 - ieeexplore.ieee.org
High data rates give rise to frequency-selective propagation effects. Space-time multiplexing
and/or coding offer attractive means of combating fading and boosting capacity of multi …

Determining backhaul bandwidth requirements for network MIMO

D Samardzija, H Huang - 2009 17th European Signal …, 2009 - ieeexplore.ieee.org
In systems employing coordinated base station transmission and reception (also known as
network MIMO), information needs to be shared among clusters of coordinated bases. This …

Joint channel estimation and resource allocation for MIMO systems-part I: single-user analysis

A Soysal, S Ulukus - IEEE Transactions on Wireless …, 2010 - ieeexplore.ieee.org
Multiple antenna systems are known to provide very large data rates, when the perfect
channel state information (CSI) is available at the receiver. However, this requires the …

Network MIMO with linear zero-forcing beamforming: Large system analysis, impact of channel estimation, and reduced-complexity scheduling

H Huh, AM Tulino, G Caire - IEEE Transactions on Information …, 2011 - ieeexplore.ieee.org
We consider the downlink of a multicell system with multiantenna base stations and single-
antenna user terminals, arbitrary base station cooperation clusters, distance-dependent …

Receive antenna selection for closely-spaced antennas with mutual coupling

Z Xu, S Sfar, RS Blum - IEEE Transactions on Wireless …, 2010 - ieeexplore.ieee.org
We investigate the achievable rate of receive antenna selection MIMO systems in the
presence of mutual coupling and spatial correlation. For that, we assume the antenna array …