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Optimal Inter-Element Spacing of FD-MIMO Planar Array in Urban Macrocell with Elevation Channel Modelling
2017
KSII Transactions on Internet and Information Systems
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Full Dimension multiple input multiple output (FD-MIMO) architecture employs a planar array design at the Base Station (BS) to provide high order multi-user MIMO (MU-MIMO) via simultaneous data transmission ...
In this paper, we study the throughput performance of FD-MIMO system with varying elevation angular spread and inter-element spacing using a 3D spatial channel model. ...
CONCLUSION In this paper we analyse the sum-rate performance of practical planar array configuration for FD-MIMO in urban 3D environment using system level simulations. ...
doi:10.3837/tiis.2017.10.005
fatcat:hk475ugwtvbvljegavi7x3f5ri
Advanced Quantizer Designs for FDD-Based FD-MIMO Systems Using Uniform Planar Arrays
2018
IEEE Transactions on Signal Processing
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2017 pre-print arXiv:1703.10739v3 fatcat:2733gwqouveadkihwinpfxvw4uOther Versions
The most popular two-dimensional array is the uniform planar array (UPA), where antennas are placed in a grid pattern. ...
In this paper, we develop both narrowband and wideband CSI quantizers for FD-MIMO taking the properties of realistic channels and the UPA into consideration. ...
To maximize the number of antennas in a limited area, twodimensional antenna arrays, e.g., uniform planar arrays (UPAs) and cylindrical arrays, that host antennas in both vertical and horizontal domains ...
doi:10.1109/tsp.2018.2839588
fatcat:qkjybzygzfapjoner55updlf2q
Elevation Beamforming with Full Dimension MIMO Architectures in 5G Systems: A Tutorial
2019
IEEE Communications Surveys and Tutorials
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This paper presents a tutorial on elevation beamforming analysis for cellular networks utilizing FD Massive MIMO antenna arrays. ...
FD-MIMO scenarios utilize a planar two-dimensional (2D) active antenna system (AAS) that not only allows a large number of antenna elements to be placed within feasible base station (BS) form factors, ...
FD-MIMO systems utilize a 2D planar uniformly spaced antenna element array model. ...
doi:10.1109/comst.2019.2930621
fatcat:twtv5suwffd2jlc7du7cae7kmm
Elevation Beamforming with Full Dimension MIMO Architectures in 5G Systems: A Tutorial
[article]
2019
arXiv
pre-print
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2018 pre-print arXiv:1805.00225v2 fatcat:3fy2kjarenhobgcuri3n56bckeOther Versions
This paper presents a tutorial on elevation beamforming analysis for cellular networks utilizing FD Massive MIMO antenna arrays. ...
FD-MIMO scenarios utilize a planar two-dimensional active antenna system (AAS) that not only allows a large number of antenna elements to be placed within feasible base station (BS) form factors, but also ...
FD-MIMO systems utilize a 2D planar uniformly spaced antenna element array model. ...
arXiv:1805.00225v4
fatcat:pyk4tk633rdpbmqst5rkygqsdu
5G K-SimSys for Open/Modular/Flexible System-level Simulation: Overview and Its Application to Evaluation of 5G Massive MIMO
2021
IEEE Access
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As illustrated in Fig. 1 , 2D planar array can be divided into the rectangular subarrays, referred to as panels, each of which is a uniform planar array. ...
In the sequel, we give details for these two TXRU structures, in which an M × N uniform planar array is considered.
1) Array Partitioning Structure with Non-precoded CSI-RS Transmission As illustrated ...
doi:10.1109/access.2021.3093460
fatcat:5dsx6mv3ina75fxiugjk2jptk4
Multi-User Millimeter Wave MIMO with Full-Dimensional Lens Antenna Array
[article]
2016
arXiv
pre-print
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angle resolution capabilities, and each mobile station (MS) employs the conventional uniform planar array (UPA) without the lens. ...
This paper studies an uplink multi-user mmWave single-sided lens MIMO system, where only the base station (BS) is equipped with a full-dimensional (FD) lens antenna array with both elevation and azimuth ...
angle resolution capabilities, and each mobile station (MS) employs the conventional uniform planar array (UPA) without the lens. ...
arXiv:1611.06008v1
fatcat:jtvdzwmwxvdl5mswh77wtuajpq
Cost-Effective Millimeter Wave Communications with Lens Antenna Array
[article]
2016
arXiv
pre-print
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Numerical results show that the lens-based system significantly outperforms the state-of-the-art designs for mmWave systems in both spectrum efficiency and energy efficiency. ...
lens antenna array. ...
ACKNOWLEDGEMENT The authors would like to thank Zhi Ning Chen and Shunli Li in the National University of Singapore for helpful discussions as well as the help to produce Fig. 3 . ...
arXiv:1610.02511v1
fatcat:v2kngpylhrdunaglep5sfe7n6i
Design of 5G Full Dimension Massive MIMO Systems
[article]
2018
arXiv
pre-print
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FD-MIMO utilizes an active antenna system (AAS) with a 2D planar array structure, which provides the ability of adaptive electronic beamforming in the 3D space. ...
To cope with this limitation, this work discusses Full Dimension MIMO (FD-MIMO), which is currently an active area of research and standardization in the 3rd Generation Partnership Project (3GPP) for evolution ...
This paper discusses the design of the 2D active antenna array for FD-MIMO implementation. ...
arXiv:1612.03993v2
fatcat:c5qpzbqugzcubck6onjrbimu7y
Three-Dimensional Beamforming: A new enabling technology for 5G wireless networks
2014
IEEE Signal Processing Magazine
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In addition, the array may include copolarized or cross-polarized antenna elements. The active antenna arrays placed in 2-D are also called full-dimension MIMO (FD-MIMO) or 3-D MIMO [27] . ...
Hence, it is important to consider more advanced array configurations and wideband beam shaping designs. ...
doi:10.1109/msp.2014.2335236
fatcat:cpgya2az2vf4lktektyvxqluwm
Massive MIMO Technologies and Challenges towards 5G
2016
IEICE transactions on communications
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Massive MIMO is widely recognized as an essential technology for 5G. ...
We briefly overview the most promising TDD and FDD operation modes for massive MIMO, and discuss their potential benefits and challenges considering operation over different tiers and frequency bands. ...
Fig. 9 The 2D planar antenna array structure with cross polarization [35] . beamforming and full-dimensional MIMO (EB/FD-MIMO) and the related evaluation methodology. ...
doi:10.1587/transcom.2015ebi0002
fatcat:ypzy7irdyjhrhjxipy5e27s2fu
Massive MIMO systems for 5G: A systematic mapping study on antenna design challenges and channel estimation open issues
2021
IET Communications
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In this paper, the latest progress of research on challenges in mMIMO systems is tracked, in the context of mutual coupling, antenna selection, pilot contamination and feedback overhead. ...
Several technologies are being explored to be used in 5G systems. One of the main promising technologies that is seen to be the enabler of 5G is massive multipleinput multiple-output (mMIMO) systems. ...
A more advanced design for antenna array consists of using phased arrays. ...
doi:10.1049/cmu2.12180
fatcat:fksuccmw7bbxlhrgfvmauphbqq
A Survey on Hybrid Beamforming Techniques in 5G: Architecture and System Model Perspectives
2018
IEEE Communications Surveys and Tutorials
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This hybrid beamforming design reduces the cost and power consumption which is aligned with an energyefficient design vision of 5G. ...
In this paper, we track the progress in hybrid beamforming for massive MIMO communications in the context of system models of the hybrid transceivers' structures, the digital and analog beamforming matrices ...
Uniform planar array (UPA) antennas structure is used in [120] for mmWave systems. Hybrid beamforming permits to generate beams by combining a multitude of antennas using only a few RF chains. ...
doi:10.1109/comst.2018.2843719
fatcat:v7kmfmaxrfeeti7hcwsjjf5fda
Data-Driven Deep Learning to Design Pilot and Channel Estimator For Massive MIMO
[article]
2020
arXiv
pre-print
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In this paper, we propose a data-driven deep learning (DL) approach to jointly design the pilot signals and channel estimator for wideband massive multiple-input multiple-output (MIMO) systems. ...
For the dimensionality reduction network, we design a fully-connected layer by compressing the high-dimensional massive MIMO channel vector as input to low-dimensional received measurements, where the ...
Wan et al. proposed a compressive sensing (CS)-based channel estimation solution for full-dimensional (FD) lens-array. ...
arXiv:2003.05875v1
fatcat:4kfnmsbgdja2lpwwxuymwmir5y
Tensor Learning-based Precoder Codebooks for FD-MIMO Systems
[article]
2021
arXiv
pre-print
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This paper develops an efficient procedure for designing low-complexity codebooks for precoding in a full-dimension (FD) multiple-input multiple-output (MIMO) system with a uniform planar array (UPA) antenna ...
We use a tensor representation of the FD-MIMO channel and exploit its properties to design quantized version of the channel precoders. ...
Molisch for his valuable comments on the conference version of this paper. ...
arXiv:2106.11374v1
fatcat:bgqnxwhvkrevnekxbdv6yggocy
2020 Index IEEE Transactions on Microwave Theory and Techniques Vol. 68
2020
IEEE transactions on microwave theory and techniques
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., Novel Trombone Topology for Wideband True-Time-Delay Implementation; TMTT April 2020 1542-1552 Ghazizadeh, M.H., and Medi, A., High Precision CMOS Integrated Delay Chain for X-Ku Band Applications; ...
Aug. 2020 3242-3254 Gruber, D., see Kalcher, M., TMTT Aug. 2020 3510-3518 Gruner, P., see Geiger, M., TMTT Nov. 2020 4825-4834 Gruner, P., Geiger, M., and Waldschmidt, C., Ultracompact Monostatic MIMO ...
., +, TMTT Sept. 2020
4031-4039
On the Design of Planar Arrays of Nonresonant Coils for Tunable Wireless
Power Transfer Applications. ...
doi:10.1109/tmtt.2021.3049615
fatcat:kik4orti4je4xdsgazdbmdoopy
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