Highly Directional Steerable Antennas: High-Gain Antennas Supporting User Mobility or Beam Switching for Reconfigurable Backhauling

Maltsev, Alexander; Sadri, Ali; Pudeyev, Andrey; Bolotin, Ilya

doi:10.1109/mvt.2015.2508318

Cited by 32 publications

(20 citation statements)

References 9 publications

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“…A large increase in the transmit power could be seen as a solution. But large transmit power is inappropriate due to high power consumption, power amplifier requirements, heat-dissipation problems, and emission regulations [9]. Similarly, when multiple cells are considered, there is the presence of intercell interference and the achievable data rate is expressed as…”

Section: Higher Frequency Band Frame Structure For Hstmentioning

confidence: 99%

“…With the small wavelength and recent advances in modular antenna array technology for HFBs, high beamforming gains can 2 Wireless Communications and Mobile Computing be obtained to combat large propagation loss and therefore are potentially suitable for outdoor communication as demonstrated in [8], where a distance of up to 1 km is achieved for mm-wave link transmission. Advances in modular antenna array technology allow the creation of large antenna array with high gain in a cost effective and scalable manner [9]. Furthermore, the measurements campaign in [5,[10][11][12], showed that the mm-wave band can be a good candidate for the next generation 5G cellular systems, with a focus on urban environment.…”

Section: Introductionmentioning

confidence: 99%

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Feasibility Studies on the Use of Higher Frequency Bands and Beamforming Selection Scheme for High Speed Train Communication

Laiyemo

Luoto

Pirinen

2017

Wireless Communications and Mobile Computing

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With increasing popularity of high speed trains and traffic forecast for future cellular networks, the need to provide improved data rates using higher frequency bands (HFBs) for train passengers is becoming crucial. In this paper, we modify the OFDM frame structure for HST, taking into account the increasing sensitivity to speed at HFBs. A lower bound on the SNR/SINR for a given rate for reliable communication was derived considering the physical layer parameters from the OFDM frame. We also analyze different pathloss models in the context of examining the required gain needed to achieve the same performance as with microwave bands. Finally, we present a time-based analogue beamforming selection approach for HST. We observed that, irrespective of the pathloss models used, the required gains are within the same range. For the same SNR/SINR at different frequency bands, the achievable data rate varies with respect to the frequency bands. Our results show the potential of the use of HFBs. However, due to the increased sensitivity of some channel parameters, a maximum frequency band of 38 GHz is suggested. Evaluation of our proposed beamforming scheme indicates a close performance to the optimal SVD scheme with a marginal rate gap of less than 2 b/s/Hz.

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Section: Higher Frequency Band Frame Structure For Hstmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Feasibility Studies on the Use of Higher Frequency Bands and Beamforming Selection Scheme for High Speed Train Communication

Laiyemo

Luoto

Pirinen

2017

Wireless Communications and Mobile Computing

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“…They are well suited for backhaul connections, which do not require very wide angle ranges. However, [43] describes a lens-array antenna concept and envisions the combination of a lens and a phased array antenna for both high gain and wide beam sweeping angles.…”

Section: On Millimeter-wave Multi-hop Network In Generalmentioning

confidence: 99%

User level performance analysis of multi-hop in-band backhaul for 5G

2017

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In recent years, mobile access networks operating at millimeter wavelengths have received a great deal of attention, as they promise previously unattainably high mobile data rates. At these frequencies, mobile access links are expected to use highly directional beamforming antennas, which are also well suited to backhaul links. Therefore, access points can efficiently act as self-backhauled relays by using the same spectrum, circuits and antennas for mobile access and backhaul links, thus forming a multi-hop in-band backhaul network. The contributions of our paper are extensive simulations to investigate user level performance in such multi-hop networks. We specifically take into account the momentary data traffic of every link in order to calculate the interference. Results quantify the detrimental effect of interference on user level performance. Furthermore, the potential benefit of using the combination of in-band and dedicated backhaul links is evaluated. Additionally, this paper investigates the user level effects of the sudden loss of a link in the backhaul mesh network, and underlines the importance of effective rerouting algorithms. The feasibility of the inband concept is demonstrated, and we can confirm that the user level experience will surpass the performance provided by previous generation mobile networks.

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“…These highly directional antennas should also be steerable to support access and a reconfigurable backhaul link. A range of concepts and designs for such antennas have been proposed [18,19,20,21]. In the next two subsections, we discuss the most practical approaches.…”

Section: Mmwave Beamforming Antenna and Backhaulmentioning

confidence: 99%

“…The high data rates of the access links incur equally high requirements on the backhaul, in terms of both the data rates and latency. MmWave communications with high gain antenna technologies offer flexible wireless backhaul with suitably high data rates [18,19,20,21]. …”

Section: Introductionmentioning

confidence: 99%

Proof-of-Concept of a Millimeter-Wave Integrated Heterogeneous Network for 5G Cellular

Okasaka

Weiler

Keusgen

et al. 2016

Sensors

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The fifth-generation mobile networks (5G) will not only enhance mobile broadband services, but also enable connectivity for a massive number of Internet-of-Things devices, such as wireless sensors, meters or actuators. Thus, 5G is expected to achieve a 1000-fold or more increase in capacity over 4G. The use of the millimeter-wave (mmWave) spectrum is a key enabler to allowing 5G to achieve such enhancement in capacity. To fully utilize the mmWave spectrum, 5G is expected to adopt a heterogeneous network (HetNet) architecture, wherein mmWave small cells are overlaid onto a conventional macro-cellular network. In the mmWave-integrated HetNet, splitting of the control plane (CP) and user plane (UP) will allow continuous connectivity and increase the capacity of the mmWave small cells. mmWave communication can be used not only for access linking, but also for wireless backhaul linking, which will facilitate the installation of mmWave small cells. In this study, a proof-of-concept (PoC) was conducted to demonstrate the practicality of a prototype mmWave-integrated HetNet, using mmWave technologies for both backhaul and access.

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Highly Directional Steerable Antennas: High-Gain Antennas Supporting User Mobility or Beam Switching for Reconfigurable Backhauling

Cited by 32 publications

References 9 publications

Feasibility Studies on the Use of Higher Frequency Bands and Beamforming Selection Scheme for High Speed Train Communication

Feasibility Studies on the Use of Higher Frequency Bands and Beamforming Selection Scheme for High Speed Train Communication

User level performance analysis of multi-hop in-band backhaul for 5G

Proof-of-Concept of a Millimeter-Wave Integrated Heterogeneous Network for 5G Cellular

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