Tampere University of Technology

TUTCRIS Research Portal

Capacity of Multiconnectivity mmWave Systems with Dynamic Blockage and Directional Antennas

Research output: Contribution to journalArticleScientificpeer-review

Standard

Capacity of Multiconnectivity mmWave Systems with Dynamic Blockage and Directional Antennas. / Gerasimenko, Mikhail; Moltchanov, Dmitri; Gapeyenko, Margarita; Andreev, Sergey; Koucheryavy, Yevgeni.

In: IEEE Transactions on Vehicular Technology, Vol. 68, No. 4, 01.04.2019, p. 3534-3549.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

APA

Vancouver

Author

Gerasimenko, Mikhail ; Moltchanov, Dmitri ; Gapeyenko, Margarita ; Andreev, Sergey ; Koucheryavy, Yevgeni. / Capacity of Multiconnectivity mmWave Systems with Dynamic Blockage and Directional Antennas. In: IEEE Transactions on Vehicular Technology. 2019 ; Vol. 68, No. 4. pp. 3534-3549.

Bibtex - Download

@article{e30727f7cf4c44b59a5ebbd628758eb2,
title = "Capacity of Multiconnectivity mmWave Systems with Dynamic Blockage and Directional Antennas",
abstract = "The challenges of millimeter-wave (mmWave) radio propagation in dense crowded environments require dynamic re-associations between the available access points (APs) to reduce the chances of losing the line-of-sight path. However, the antenna beamsearching functionality in the mmWave systems may introduce significant delays in the course of AP re-association. In this paper, we analyze user performance in dense urban mmWave deployments that are susceptible to blockage by the dynamically moving crowd. Our approach relies on the ergodic capacity as the key parameter of interest. We conduct a detailed evaluation with respect to the impact of various system parameters on the ergodic capacity, such as AP density and height, blocker density and speed, number of antenna array elements, array switching time, degree of multiconnectivity, and employed connectivity strategies. Particularly, we demonstrate that dual connectivity delivers the desired performance out of all possible degrees of multiconnectivity, and there is an optimal density of mmWave APs that maximizes the capacity of cell-edge users. We also show that the use of low complexity 'reactive' multiconnectivity design, where the beamtracking is only performed when the currently active connection is lost, together with the utilization of iterative beamsearching algorithms, does not significantly deteriorate the ergodic capacity.",
keywords = "Millimeter wave communication, 5G mobile communication, beam steering, multi-connectivity, dynamic blockage",
author = "Mikhail Gerasimenko and Dmitri Moltchanov and Margarita Gapeyenko and Sergey Andreev and Yevgeni Koucheryavy",
year = "2019",
month = "4",
day = "1",
doi = "10.1109/TVT.2019.2896565",
language = "English",
volume = "68",
pages = "3534--3549",
journal = "IEEE Transactions on Vehicular Technology",
issn = "0018-9545",
publisher = "Institute of Electrical and Electronics Engineers",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Capacity of Multiconnectivity mmWave Systems with Dynamic Blockage and Directional Antennas

AU - Gerasimenko, Mikhail

AU - Moltchanov, Dmitri

AU - Gapeyenko, Margarita

AU - Andreev, Sergey

AU - Koucheryavy, Yevgeni

PY - 2019/4/1

Y1 - 2019/4/1

N2 - The challenges of millimeter-wave (mmWave) radio propagation in dense crowded environments require dynamic re-associations between the available access points (APs) to reduce the chances of losing the line-of-sight path. However, the antenna beamsearching functionality in the mmWave systems may introduce significant delays in the course of AP re-association. In this paper, we analyze user performance in dense urban mmWave deployments that are susceptible to blockage by the dynamically moving crowd. Our approach relies on the ergodic capacity as the key parameter of interest. We conduct a detailed evaluation with respect to the impact of various system parameters on the ergodic capacity, such as AP density and height, blocker density and speed, number of antenna array elements, array switching time, degree of multiconnectivity, and employed connectivity strategies. Particularly, we demonstrate that dual connectivity delivers the desired performance out of all possible degrees of multiconnectivity, and there is an optimal density of mmWave APs that maximizes the capacity of cell-edge users. We also show that the use of low complexity 'reactive' multiconnectivity design, where the beamtracking is only performed when the currently active connection is lost, together with the utilization of iterative beamsearching algorithms, does not significantly deteriorate the ergodic capacity.

AB - The challenges of millimeter-wave (mmWave) radio propagation in dense crowded environments require dynamic re-associations between the available access points (APs) to reduce the chances of losing the line-of-sight path. However, the antenna beamsearching functionality in the mmWave systems may introduce significant delays in the course of AP re-association. In this paper, we analyze user performance in dense urban mmWave deployments that are susceptible to blockage by the dynamically moving crowd. Our approach relies on the ergodic capacity as the key parameter of interest. We conduct a detailed evaluation with respect to the impact of various system parameters on the ergodic capacity, such as AP density and height, blocker density and speed, number of antenna array elements, array switching time, degree of multiconnectivity, and employed connectivity strategies. Particularly, we demonstrate that dual connectivity delivers the desired performance out of all possible degrees of multiconnectivity, and there is an optimal density of mmWave APs that maximizes the capacity of cell-edge users. We also show that the use of low complexity 'reactive' multiconnectivity design, where the beamtracking is only performed when the currently active connection is lost, together with the utilization of iterative beamsearching algorithms, does not significantly deteriorate the ergodic capacity.

KW - Millimeter wave communication, 5G mobile communication, beam steering, multi-connectivity, dynamic blockage

U2 - 10.1109/TVT.2019.2896565

DO - 10.1109/TVT.2019.2896565

M3 - Article

VL - 68

SP - 3534

EP - 3549

JO - IEEE Transactions on Vehicular Technology

JF - IEEE Transactions on Vehicular Technology

SN - 0018-9545

IS - 4

ER -