A survey of recent advances in optimization methods for wireless communications
Mathematical optimization is now widely regarded as an indispensable modeling and
solution tool for the design of wireless communications systems. While optimization has …
solution tool for the design of wireless communications systems. While optimization has …
Massive MIMO: survey and future research topics
Massive multiple‐input multiple‐output technology has been considered a breakthrough in
wireless communication systems. It consists of equipping a base station with a large number …
wireless communication systems. It consists of equipping a base station with a large number …
Foundations of user-centric cell-free massive MIMO
ÖT Demir, E Björnson… - Foundations and Trends …, 2021 - nowpublishers.com
Imagine a coverage area where each mobile device is communicating with a preferred set of
wireless access points (among many) that are selected based on its needs and cooperate to …
wireless access points (among many) that are selected based on its needs and cooperate to …
Scalable cell-free massive MIMO systems
E Björnson, L Sanguinetti - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Imagine a coverage area with many wireless access points that cooperate to jointly serve
the users, instead of creating autonomous cells. Such a cell-free network operation can …
the users, instead of creating autonomous cells. Such a cell-free network operation can …
Movable-antenna enhanced multiuser communication via antenna position optimization
Movable antenna (MA) is a promising technology to improve wireless communication
performance by varying the antenna position in a given finite area at the transceivers to …
performance by varying the antenna position in a given finite area at the transceivers to …
Massive MIMO networks: Spectral, energy, and hardware efficiency
E Björnson, J Hoydis… - Foundations and Trends® …, 2017 - nowpublishers.com
Massive multiple-input multiple-output (MIMO) is one of the most promising technologies for
the next generation of wireless communication networks because it has the potential to …
the next generation of wireless communication networks because it has the potential to …
A deep learning framework for optimization of MISO downlink beamforming
Beamforming is an effective means to improve the quality of the received signals in multiuser
multiple-input-single-output (MISO) systems. Traditionally, finding the optimal beamforming …
multiple-input-single-output (MISO) systems. Traditionally, finding the optimal beamforming …
Massive MIMO for maximal spectral efficiency: How many users and pilots should be allocated?
E Björnson, EG Larsson… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Massive MIMO is a promising technique for increasing the spectral efficiency (SE) of cellular
networks, by deploying antenna arrays with hundreds or thousands of active elements at the …
networks, by deploying antenna arrays with hundreds or thousands of active elements at the …
Optimal design of energy-efficient multi-user MIMO systems: Is massive MIMO the answer?
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 …
scratch to uniformly cover a given area with maximal energy efficiency (EE). What are the …
[图书][B] MIMO wireless communications
Multiple-input multiple-output (MIMO) technology constitutes a breakthrough in the design of
wireless communications systems, and is already at the core of several wireless standards …
wireless communications systems, and is already at the core of several wireless standards …