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Holistic enlightening of blackspots with passive tailorable reflecting surfaces for efficient urban mmWave networks

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dc.contributor.authorHäger, Simon
dc.contributor.authorHeimann, Karsten
dc.contributor.authorBöcker, Stefan
dc.contributor.authorWietfeld, Christian
dc.date.accessioned2024-04-17T12:25:47Z
dc.date.available2024-04-17T12:25:47Z
dc.date.issued2023-04-17
dc.description.abstractMitigating outage regions is of particular interest for emerging millimeter-wave (mmWave) and future sub-terahertz frequency cellular networks. Whereas smart radio environments based on metasurfaces constitute a key concept for 6G research, current networks cannot be served as new control procedures are required. Although small prototypes are already emerging, costs will be higher for the dense deployment of reconfigurable intelligent surfaces (RISs) compared to passive reflectors. It is argued that passive reflectors can be used to effectively, cost-efficiently, and permanently boost connectivity in well-defined service areas. Leveraging the advantages of 3D printing and spray-painted conductive varnish, we introduce the Holistic Enlightening of bLackspots with passIve reflectOr moduleS (HELIOS) approach which is characterized by its scalability and parametrizability to meet the reflection requirements derived from sophisticated network planning. These slim reflectors meet the core criteria of ease of installation and minimal visual impact on the cityscape, which are imperative for market success. Our measurement-based comparison of prototypes against typical metal/aluminum reflectors shows at least equal reflectivity at a higher practicality of the proposed manufacturing process. The conducted simulation study validates the modular reflector pattern design process and finds a trade-off between the reflector efficiency and the minimum protrusion depth, which relates to the number of modules in the designated mounting area. An urban ray-tracing simulation-based case study further underlines the high applicability of the proposed approach, with the growth of the beyond line-of-sight (LOS) connectivity region being nearly twice as large for a site-tailored heterogeneous HELIOS configuration than that for a simple reflector plate.en
dc.identifier.urihttp://hdl.handle.net/2003/42441
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-24277
dc.language.isoende
dc.relation.ispartofseriesIEEE access;11
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/de
dc.subjectmillimeter-waveen
dc.subjectpassive reflectoren
dc.subjectbeyond line-of-sight connectivityen
dc.subjectadditive manufacturingen
dc.subject.ddc620
dc.titleHolistic enlightening of blackspots with passive tailorable reflecting surfaces for efficient urban mmWave networksen
dc.typeTextde
dc.type.publicationtypeResearchArticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationS. Häger, K. Heimann, S. Böcker, und C. Wietfeld, „Holistic enlightening of blackspots with passive tailorable reflecting surfaces for efficient urban mmWave networks“, IEEE access, Bd. 11, S. 39318–39332, 2023, https://doi.org/10.1109/access.2023.3267676de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1109/ACCESS.2023.3267676de

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