Energy-efficient, large-scale distributed-antenna system (L-DAS) for multiple users

J Joung, YK Chia, S Sun - IEEE Journal of Selected Topics in …, 2014 - ieeexplore.ieee.org
Large-scale distributed-antenna system (L-DAS) with very large number of distributed
antennas, possibly up to a few hundred antennas, is considered. A few major issues of the L …

Downlink power allocation for distributed antenna systems in a multi-cell environment

W Feng, Y Li, S Zhou, J Wang - 2009 5th International …, 2009 - ieeexplore.ieee.org
In this paper, the downlink performance of distributed antenna systems (DAS) in a multi-cell
environment is investigated. The individual power constraints (IPC) for the distributed …

Clustered cell-free multi-user multiple-antenna systems with rate-splitting: Precoder design and power allocation

AR Flores, RC De Lamare… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, we address two crucial challenges in the design of cell-free (CF) systems:
degradation in the performance of CF systems by imperfect channel state information at the …

Multiuser MIMO in distributed antenna systems with out-of-cell interference

RW Heath Jr, T Wu, YH Kwon… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Distributed antenna systems (DAS) augment the base station's transmit capability by adding
multiple remote radio units, connected to the base station via a high bandwidth and low …

Energy efficiency and spectral efficiency tradeoff in downlink distributed antenna systems

C He, B Sheng, P Zhu, X You - IEEE Wireless Communications …, 2012 - ieeexplore.ieee.org
This letter investigates the tradeoff between energy efficiency (EE) and spectral efficiency
(SE) in downlink multiuser distributed antenna systems (DAS). Given the SE requirement …

Power allocation criteria for distributed antenna systems

C He, GY Li, FC Zheng, X You - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we discuss three different design criteria for a distributed antenna system
(DAS). They include maximizing throughput under the constraint of the overall transmit …

Downlink rate analysis for virtual-cell based large-scale distributed antenna systems

J Wang, L Dai - IEEE Transactions on Wireless …, 2015 - ieeexplore.ieee.org
Despite substantial rate gains achieved by joint transmission from a massive amount of
geographically distributed antennas, the resulting computational cost and channel …

Optimal design of energy-efficient multi-user MIMO systems: Is massive MIMO the answer?

E Björnson, L Sanguinetti, J Hoydis… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Assume that a multi-user multiple-input multiple-output (MIMO) system is designed from
scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the …

Optimal power allocation scheme for energy efficiency maximization in distributed antenna systems

H Kim, SR Lee, C Song, KJ Lee… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we present a power allocation method for a distributed antenna system (DAS)
to maximize energy efficiency (EE), which is defined as the ratio of the transmission rate to …

Designing multi-user MIMO for energy efficiency: When is massive MIMO the answer?

E Björnson, L Sanguinetti, J Hoydis… - 2014 IEEE wireless …, 2014 - ieeexplore.ieee.org
Assume that a multi-user multiple-input multiple-output (MIMO) communication system must
be designed to cover a given area with maximal energy efficiency (bits/Joule). What are the …