Massive MIMO Networks: Spectral, Energy, and Hardware Efficiency

By Emil Björnson, Jakob Hoydis, Luca Sanguinetti. Foundations and Trends® in Signal Processing, 2018

2,088 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/887f3c0f713c4ba8df35c98b7f6f056e4ff2c8dd

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In Electrical and Electronic Engineering

Citations in the corpus

RIS-Aided Wireless Communications: Prototyping, Adaptive Beamforming, and Indoor/Outdoor Field Trials (2021, methodology): “The latter part is particularly challenging since the RIS (normally) does not have any RF chains, which prohibits it from directly obtaining CSI regarding the AP-RIS or RIS-UE channels using traditional pilot-based channel estimation methods [3].”
Massive MIMO Systems for 5G and beyond Networks—Overview, Recent Trends, Challenges, and Future Research Direction (2020, background): “Several studies on massive MIMO have been conducted on massive MIMO systems and their benefits [7,37].”
Making Cell-Free Massive MIMO Competitive With MMSE Processing and Centralized Implementation (2019, methodology): “Notice that (9) is math-ematically equivalent to the signal model of a single-cell mMIMO system with correlated fading [3, Sec.”
Wireless Networks Design in the Era of Deep Learning: Model-Based, AI-Based, or Both? (2019, background): “The communication bandwidth is 20 MHz and the propagation channels follow the local scattering model [209].”
Beamforming Optimization for Wireless Network Aided by Intelligent Reflecting Surface With Discrete Phase Shifts (2019, positive): “3It is worth pointing out that N → ∞ is not physically achievable due to energy conservation whereas the purpose of the asymptotic analysis here is to reveal the power scaling behavior, similarly to that for massive MIMO [19], [40].”
Foundations of User-Centric Cell-Free Massive MIMO (2020, methodology): “The large data rate variations are inherent to the cellular network architecture and remain even if the APs are equipped with advanced hardware, such as Massive multiple-input multiple-output (MIMO) [33], [113], [114].”
Channel Hardening and Favorable Propagation in Cell-Free Massive MIMO With Stochastic Geometry (2017, methodology): “Note that no explicit downlink pilots are needed for this task [17], [37], since only a scalar needs to be deduced from the received signals.”
Toward Massive MIMO 2.0: Understanding Spatial Correlation, Interference Suppression, and Pilot Contamination (2019, methodology): “Although the fundamental properties developed in the Massive MIMO literature are frequency independent [1], every aspect of the signal processing need to be revisited when designing systems for higher frequencies.”
Near-Field Communications: A Tutorial Review (2023, background): “The complex gains { α ℓ } Lℓ =1 are generally modelled as independently complex Gaussian distributed variables with 2 ℓ ) , where σ 2 ℓ represents the intensity attenuation caused by the ℓ -th scatterer [89], [90].”
6G Wireless Systems: Vision, Requirements, Challenges, Insights, and Opportunities (2020, background): “The fundamental advantages of large antenna arrays have been discussed in overview papers for the past seven years [1], [88]–[91].”
Massive MIMO is a Reality - What is Next? Five Promising Research Directions for Antenna Arrays (2019, methodology): “puted using known results on Massive MIMO with correlated fading [3], [20], [28], [78].”
Power Scaling Laws and Near-Field Behaviors of Massive MIMO and Intelligent Reflecting Surfaces (2020, methodology): “If one also reduces the transmit power in the channel acquisition phase, the power scaling law changes; we refer to [4], [11], [12] for details.”
Cell-Free Massive MIMO: A New Next-Generation Paradigm (2019, background): “1The concept of channel hardening claims that the fading channel between the multiple antennas and UEs becomes a near-deterministic scalar channel [10].”
Intelligent Reflecting Surface-Assisted Multi-User MISO Communication: Channel Estimation and Beamforming Design (2020, background): “In fact, second-order channel statistics are generally assumed to be perfectly known at the BS in massive MIMO literature [39].”
Rayleigh Fading Modeling and Channel Hardening for Reconfigurable Intelligent Surfaces (2020, methodology): “Rayleigh fading channels give rise to so-called channel hardening, where the SNR variations average out (in relative terms) as the number of antennas increase [6], [15].”
Scalable Cell-Free Massive MIMO Systems (2019, methodology): “Now that Massive MIMO is a rather mature technology [2], [23], [24] that has made its way into the 5G standard [25], the research focus is shifting back to Network MIMO, but under the new name Cell-Free Massive MIMO coined in [5], [6].”