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T. Berisha, C. Mecklenbräuker:
"Modelling and Evaluation of Uplink and Downlink KPI Variations using Information Bottleneck and Non-parametric Hypothesis";
Talk: BalkanCom 2018, Second International Balkan Conference on Communications and Networking, Podgorica, Montenegro (invited); 06-06-2018 - 06-08-2018; in: "BalkanCom 2018", Podgorica (2018), 1 - 5.

The automotive industry framework is being slowly
transformed from plain design of conventional vehicle cabin to
modified windows with purpose to protect the passengers from infrared
(IR) and ultraviolet (UV) radiation. The current design of
vehicles is still focused on offering different levels of protections.
Commonly, front side windshield offers better protection than
rear door windows. Due to current design, the RF propagation
is disturbed and thus the cellular communication is substantially
affected. To address the aforementioned issue, we perform field
measurements at 1800MHz for timely-synchronized user equipments
(UEs) located inside and outside of the conventional vehicle
under test (VUT). The proposed measurement setup mimics
the quasi-real usage of end users considering data applications.
Therefore, in this paper we specifically analyse received and
transmitted power of UEs in context of vehicular penetration
loss (VPL) on nominal environments. We approach the problem
of identifying nominal environments with information bottleneck
algorithm. This algorithm enables the assessment of strong
changes of statistics of metrics. Furthermore, we propose an
approach as a combination of bootstrapping and non-parametric
hypothesis, which allows to model deteriorations of the inside
against outside of the vehicle UE.

The automotive industry framework is being slowly
transformed from plain design of conventional vehicle cabin to
modified windows with purpose to protect the passengers from infrared
(IR) and ultraviolet (UV) radiation. The current design of
vehicles is still focused on offering different levels of protections.
Commonly, front side windshield offers better protection than
rear door windows. Due to current design, the RF propagation
is disturbed and thus the cellular communication is substantially
affected. To address the aforementioned issue, we perform field
measurements at 1800MHz for timely-synchronized user equipments
(UEs) located inside and outside of the conventional vehicle
under test (VUT). The proposed measurement setup mimics
the quasi-real usage of end users considering data applications.
Therefore, in this paper we specifically analyse received and
transmitted power of UEs in context of vehicular penetration
loss (VPL) on nominal environments. We approach the problem
of identifying nominal environments with information bottleneck
algorithm. This algorithm enables the assessment of strong
changes of statistics of metrics. Furthermore, we propose an
approach as a combination of bootstrapping and non-parametric
hypothesis, which allows to model deteriorations of the inside
against outside of the vehicle UE.

https://publik.tuwien.ac.at/files/publik_270158.pdf