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Evaluation of 3D printing technologies for the development of wide-band directive antennas for millimeter wave backhaul links in E and V frequency bands

Abstract : In order to address the ever-increasing demand of higher data rates, adding small cells to the existing macrocells infrastructure is one of the most important milestones of the 5G roadmap. With the integration of small cells and the re-organization of the network topology, backhaul bottleneck is the main challenge to address in the near future. Facing the costs of deployments of fiber optic connections, point-to-point wireless backhaul links using millimeter wave (mmW) frequencies are gaining prominence. 5G future frequencies, to be discussed under the World Radiocommunication Conference 2019 (WRC-19) open-up the way towards mmW frequency band where large bandwidths are naturally available. The high bandwidths available at these frequencies enable several Gbps data rate backhaul links, which is un utmost necessity to respect the 100 Mbps user-experienced data rate promised by the 5G standard. Millimeter-wave frequencies in V and E-bands unlicensed/light licensed spectrum are considered as primary candidates for backhaul links. In addition to the light license regime, the high free space path loss experienced at these frequencies is rather beneficial to limit the interference between small cells links. Moreover, the high available bandwidths at V and E-bands enable to achieve multi Gb/s links without using complex modulation schemes. In this thesis, we focused our research study on developing high gain wide-band antennas usable in point-to-point backhaul links in a Line of Sight (LoS) context. Leveraging cost-efficient technologies like 3D printing and Printed Circuit Board (PCB) on FR4 substrates, we studied two high-gain antenna types: lens antennas and flat array antennas.
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https://tel.archives-ouvertes.fr/tel-02080244
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Submitted on : Wednesday, March 27, 2019 - 9:24:09 AM
Last modification on : Monday, October 19, 2020 - 11:12:34 AM
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  • HAL Id : tel-02080244, version 2

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Nour Nachabe. Evaluation of 3D printing technologies for the development of wide-band directive antennas for millimeter wave backhaul links in E and V frequency bands. Electronics. Université Côte d'Azur, 2018. English. ⟨NNT : 2018AZUR4118⟩. ⟨tel-02080244v2⟩

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