963 citations · 4.2k across the 63 of their papers we have counts for
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Massive MIMO for Maximal Spectral Efficiency: How Many Users and Pilots Should Be Allocated?
Emil Björnson, Erik G. Larsson, Mérouane Debbah
Massive MIMO is a promising technique to increase the spectral efficiency (SE) of cellular networks, by deploying antenna arrays with hundreds or thousands of active elements at th…
Optimizing Multi-Cell Massive MIMO for Spectral Efficiency: How Many Users Should Be Scheduled?
Emil Björnson, Erik G. Larsson, Mérouane Debbah
Massive MIMO is a promising technique to increase the spectral efficiency of cellular networks, by deploying antenna arrays with hundreds or thousands of active elements at the bas…
Massive MIMO with Non-Ideal Arbitrary Arrays: Hardware Scaling Laws and Circuit-Aware Design
Emil Björnson, Michail Matthaiou, Mérouane Debbah
Massive multiple-input multiple-output (MIMO) systems are cellular networks where the base stations (BSs) are equipped with unconventionally many antennas, deployed on co-located o…
Optimal Linear Precoding in Multi-User MIMO Systems: A Large System Analysis
Luca Sanguinetti, Emil Bjornson, Merouane Debbah +1
We consider the downlink of a single-cell multi-user MIMO system in which the base station makes use of antennas to communicate with single-antenna user equipments (UEs) ra…
Interference-Aware RZF Precoding for Multi Cell Downlink Systems
Axel Müller, Romain Couillet, Emil Björnson +2
Recently, a structure of an optimal linear precoder for multi cell downlink systems has been described in [1, Eq (3.33)]. Other references (e.g., [2,3]) have used simplified versio…
Impact of Residual Transmit RF Impairments on Training-Based MIMO Systems
Xinlin Zhang, Michail Matthaiou, Mikael Coldrey +1
Radio-frequency (RF) impairments, that exist intimately in wireless communications systems, can severely degrade the performance of traditional multiple-input multiple-output (MIMO…
Large System Analysis of the Energy Consumption Distribution in Multi-User MIMO Systems with Mobility
Luca Sanguinetti, Aris L. Moustakas, Emil Bjornson +1
In this work, we consider the downlink of a single-cell multi-user MIMO system in which the base station (BS) makes use of antennas to communicate with single-antenna user…
Asymptotic Analysis of SU-MIMO Channels With Transmitter Noise and Mismatched Joint Decoding
Mikko Vehkaperä, Taneli Riihonen, Maksym A. Girnyk +4
Hardware impairments in radio-frequency components of a wireless system cause unavoidable distortions to transmission that are not captured by the conventional linear channel model…
On the MIMO Capacity with Residual Transceiver Hardware Impairments
Xinlin Zhang, Michail Matthaiou, Emil Björnson +2
Radio-frequency (RF) impairments in the transceiver hardware of communication systems (e.g., phase noise (PN), high power amplifier (HPA) nonlinearities, or in-phase/quadrature-pha…
Optimal Multiuser Transmit Beamforming: A Difficult Problem with a Simple Solution Structure
Emil Björnson, Mats Bengtsson, Björn Ottersten
Transmit beamforming is a versatile technique for signal transmission from an array of antennas to one or multiple users [1]. In wireless communications, the goal is to increas…
Circuit-Aware Design of Energy-Efficient Massive MIMO Systems
Emil Björnson, Michail Matthaiou, Mérouane Debbah
Densification is a key to greater throughput in cellular networks. The full potential of coordinated multipoint (CoMP) can be realized by massive multiple-input multiple-output (MI…
Massive MIMO Systems with Hardware-Constrained Base Stations
Emil Björnson, Michail Matthaiou, Mérouane Debbah
Massive multiple-input multiple-output (MIMO) systems are cellular networks where the base stations (BSs) are equipped with unconventionally many antennas. Such large antenna array…
Energy Consumption in multi-user MIMO systems: Impact of user mobility
Luca Sanguinetti, Aris Moustakas, Emil Bjornson +1
In this work, we consider the downlink of a single-cell multi-user multiple-input multiple-output system in which zero-forcing precoding is used at the base station (BS) to serve a…
Optimal Design of Energy-Efficient Multi-User MIMO Systems: Is Massive MIMO the Answer?
Emil Björnson, Luca Sanguinetti, Jakob Hoydis +1
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 opt…