Theoretical Analysis of 3-D Channel Spatial Correlation and Capacity

Yu, Yawei; Zhang, Jianhua; Smith, Peter J.; Dmochowski, Pawel A.

doi:10.1109/lcomm.2017.2765307

Cited by 12 publications

(10 citation statements)

References 11 publications

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“…e channel capacity reflects the maximum amount of information that can be transmitted by the channel, which is a popular indicator of judging the performance of wireless communication systems [48]. Channel correlation indicates the similarity between subchannels and limits the achievable capacity of MIMO systems [49].…”

Section: Capacity Gainmentioning

confidence: 99%

Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios

Tang

Zhang

Ying

et al. 2021

International Journal of Antennas and Propagation

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The tripolarized MIMO system can provide one more degree of freedom and have a more compacted size over a dual-polarized MIMO system, which is attractive for high-capacity wireless communication systems. In this paper, we analyze and model channel properties for tripolarized MIMO systems based on experimental channel measurements in typical indoor and outdoor scenarios. Firstly, channel measurement campaigns in the laboratory and the Urban Micro (UMi) scenarios on sub-6 GHz bands are presented. Then, based on measured data, path loss, delay spread (DS), and cross-polarization discrimination (XPD) for 9 polarization combinations are analyzed and modeled in a statistical way. Statistical results of these channel properties are also given. It is observed that channel properties of both large-scale fading and small-scale fading depend strongly on the polarization direction. Furthermore, we evaluate the performance of tripolarized MIMO systems by analyzing the Demmel condition number and channel capacity gain (CG). For both the indoor and the outdoor scenarios, it is found that colocated tripolarized antenna can bring a nearly threefold CG with respect to the unipolarized one. These results can give good insights into the design and evaluation of tripolarized MIMO systems.

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Section: Capacity Gainmentioning

confidence: 99%

Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios

Tang

Zhang

Ying

et al. 2021

International Journal of Antennas and Propagation

Self Cite

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“…Measurements in [11] demonstrated that when the propagation of the waves from a transmitter to a receiver is in a two-dimensional (2D) model, the evaluation of the performance of wireless communication system is not accurate. Therefore, it is of vital importance to adopt three-dimensional (3D) channel models, i.e., including azimuth angles and elevation angular parameters, to study the statistical propagation properties [12]. The authors in [13] presented a 3D MIMO channel model to mimic the communication scenarios between the transmitter in the air and the receiver on the ground, which assumed that the high altitude transmitter and ground receiver located at the foci points of the 3D tilt ellipsoid model.…”

Section: Introductionmentioning

confidence: 99%

A General 3D Non-Stationary Wideband Twin-Cluster Channel Model for 5G V2V Tunnel Communication Environments

et al. 2019

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In this paper, we propose a general three-dimensional (3D) non-stationary wideband two-cluster channel model for fifth-generation (5G) vehicle-to-vehicle (V2V) tunnel communication environments. In the proposed model, the received signal is constructed as a sum of the components with line-of-sight (LoS) propagations and the components via the two-cluster model, i.e., non-line-of-sight (NLoS) propagations; therefore, the model has the ability to sufficiently describe a variety of 5G wireless communication scenarios. In order to investigate the non-stationary properties of clusters, we introduce a birth-death algorithm to model the appearance and disappearance of clusters on both the array and time axes. The impacts of the non-stationary properties of clusters on the multiple-input and multiple-output (MIMO) channels are investigated via statistical properties, including spatial cross-correlation functions (CCFs), temporal spatial auto-correlation functions (ACFs), and Doppler power spectrum densities (PSDs). Numerical results of the proposed propagation properties fit the simulation results and prior measured results very well, which demonstrate that the proposed 3D model is able to describe the real 5G V2V communications in tunnel environments.INDEX TERMS Two-cluster channel model, 5G V2V tunnel communication environments, birth-death process, non-stationary properties.

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“…Measurements in [11] demonstrated that when the propagation between a transmitter and a receiver in a two-dimensional (2D) model, the estimation of the system performance is inaccurate, Therefore, it has significant importance for us to use three-dimensional (3D) channel models including azimuth angles and elevation angular parameters to evaluate the channel propagation properties [12]. The authors in [13] proposed a 3D wideband MIMO channel model for vehicle-to-vehicle (V2V) communications in tunnel scenarios, which introduced a number of confocal semi-ellipsoid models to investigate the statistical characteristics in V2V channels for different propagation delays.…”

Section: Introductionmentioning

confidence: 99%

A 3D Cylinder MIMO Channel Model for 5G Macrocell Mobile-to-Mobile Communication Systems

et al. 2019

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For fifth-generation (5G) macrocell mobile-to-mobile (M2M) communication scenarios, we in this article propose a three-dimensional (3D) cylinder multiple-input and multiple-output (MIMO) channel model to reflect the distribution region of interfering objects in macrocell propagation environments, where the receiver (Rx) is located in the center point of the cylinder model, while the transmitter (Tx) is outside the scattering region. In the proposed model, the received signal is constructed as a sum of the components with line-of-sight (LoS) propagations and the components reflected by the objects with different energies, i.e., non-line-of-sight (NLoS) propagation components, which makes the model has the ability to sufficiently adaptable to a variety of 5G wireless communication scenarios. Furthermore, we investigate the statistical channel propagation properties, i.e., spatial cross-correlation functions (CCFs) of two different propagation components, temporal autocorrelation functions (ACFs), and Doppler power spectrum densities (PSDs), for different movement directions and time instants of the Tx and Rx. Numerical analytical results of the propagation properties fit the simulation results very well, which demonstrate that the proposed 3D model is practical for characterizing the real 5G macrocell M2M channels. INDEX TERMS Macrocell MIMO communication environments, 3D cylinder MIMO channel model, LoS propagations, NLoS propagation components, and propagation properties.

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Theoretical Analysis of 3-D Channel Spatial Correlation and Capacity

Cited by 12 publications

References 11 publications

Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios

Tripolarizated MIMO: Experimental Analysis and Modeling of Channel Properties in Both Indoor and Outdoor Scenarios

A General 3D Non-Stationary Wideband Twin-Cluster Channel Model for 5G V2V Tunnel Communication Environments

A 3D Cylinder MIMO Channel Model for 5G Macrocell Mobile-to-Mobile Communication Systems

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