Distributed compressive CSIT estimation and feedback for FDD multi-user massive MIMO systems

X Rao, VKN Lau - IEEE Transactions on Signal Processing, 2014 - ieeexplore.ieee.org
To fully utilize the spatial multiplexing gains or array gains of massive MIMO, the channel
state information must be obtained at the transmitter side (CSIT). However, conventional …

On the number of RF chains and phase shifters, and scheduling design with hybrid analog–digital beamforming

TE Bogale, LB Le, A Haghighat… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper considers hybrid beamforming (HB) for downlink multiuser massive multiple-
input multiple-output (MIMO) systems with frequency selective channels. The proposed HB …

Beamforming for multiuser massive MIMO systems: Digital versus hybrid analog-digital

TE Bogale, LB Le - 2014 IEEE Global Communications …, 2014 - ieeexplore.ieee.org
This paper designs a novel hybrid (a mixture of analog and digital) beamforming and
examines the relation between the hybrid and digital beamformings for downlink multiuser …

Coordinated multipoint transmission with limited backhaul data transfer

J Zhao, TQS Quek, Z Lei - IEEE Transactions on Wireless …, 2013 - ieeexplore.ieee.org
When the joint processing technique is applied in the coordinated multipoint (CoMP)
downlink transmission, the user data for each mobile station needs to be shared among …

Hybrid precoding for mmWave massive MIMO systems with partially connected structure

N Li, Z Wei, H Yang, X Zhang, D Yang - IEEE Access, 2017 - ieeexplore.ieee.org
Hybrid precoding is widely studied in millimetre-wave (mmWave) massive MIMO systems
due to low cost as well as low power consumption. In general, there are two kinds of hybrid …

Coordinated beamforming for energy efficient transmission in multicell multiuser systems

S He, Y Huang, S **, L Yang - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper we study energy efficient joint power allocation and beamforming for
coordinated multicell multiuser downlink systems. The considered optimization problem is in …

Coordinated multicell multiuser precoding for maximizing weighted sum energy efficiency

S He, Y Huang, L Yang… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Energy efficiency optimization of wireless systems has become urgently important due to its
impact on the global carbon footprint. In this paper we investigate energy efficient multicell …

Optimal Transceiver Design for SWIPT in -User MIMO Interference Channels

Z Zong, H Feng, FR Yu, N Zhao… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper investigates simultaneous wireless information and power transfer (SWIPT) in K-
user multiple-input multiple-output (MIMO) interference channels. In particular, the power …

mmWave communication enabling techniques for 5G wireless systems: A link level perspective

TE Bogale, X Wang, LB Le - MmWave Massive MIMO, 2017 - Elsevier
Millimeter wave (mmWave) communication systems have attracted significant interest
regarding meeting the capacity requirements of the future 5G network. The mmWave …

Virtual cell beamforming in cooperative networks

J Kim, HW Lee, S Chong - IEEE Journal on Selected Areas in …, 2014 - ieeexplore.ieee.org
We study the coordinated transmission problem in cooperative cellular networks where a
cluster of base stations forms a virtual cell to serve a mobile station (MS). The performance …