A new array concept using spatially distributed subarrays for unambiguous GNSS interference mitigation in automotive applications

M Brachvogel, M Niestroj, S Zorn, M Meurer… - …, 2020 - Wiley Online Library
Radio frequency interference (RFI) poses a severe problem for conventional GNSS
receivers. Even low powered RFI can block the reception of satellite signals and prevent a …

Performance of GNSS beamforming algorithms using distributed sub-arrays in automotive applications

M Brachvogel, M Niestroj, S Zorn, M Meurer… - Proceedings of the 31st …, 2018 - ion.org
Antenna array systems have been proven suitable to counteract radio frequency
interference. The large size of uniform rectangular arrays with half-wave antenna spacing for …

Full Wideband Calibration for an Array of Spatially Distributed Subarrays

M Brachvogel, M Niestroj… - 2023 IEEE/ION Position …, 2023 - ieeexplore.ieee.org
Resilient GNSS reception is a critical requirement for automated and autonomous driving
cars. Single-antenna receivers are prone to interference and spoofers and lack the …

Simple and effective GNSS spatial processing using a low-cost compact antenna array

EA Marranghelli, RL La Valle… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A compact planar four-element antenna array that can be used to improve the robustness
and accuracy in applications of satellite-based navigation systems that require simple, low …

Characterization of GNSS measurement distortions due to antenna array processing in the presence of interference signals

N Vagle, A Broumandan, A Jafarnia… - … and Location Based …, 2014 - ieeexplore.ieee.org
GNSS signals are relatively weak once they are received on the earth surface and due to
which they are very much vulnerable to intentional and unintentional interferences. Antenna …

Interference mitigation in GNSS receivers by array signal processing: A software radio approach

J Arribas, P Closas… - 2014 IEEE 8th Sensor …, 2014 - ieeexplore.ieee.org
The fact that most of high-accuracy positioning and distributed timing services, including
safety-critical operations, rely on Global Navigation Satellite Systems (GNSS) has raised the …

Analysis of GNSS beamforming and angle of arrival estimation in multipath environments

MH Keshvadi, A Broumandan, G Lachapelle - Proceedings of the 2011 …, 2011 - ion.org
In the past decade the use of antenna arrays has been used by researchers to enhance
signal detection and parameter estimation performance. A primary use of such system would …

Mitigation of carrier phase distortions induced by spatial filtering using antenna arrays

T Bamberg, A Konovaltsev, M Meurer - … Meeting of the Satellite Division of …, 2020 - ion.org
The use of GNSS positioning in highly automated systems, like packet delivering using
drones or self-driving cars, demands a reliable and accurate position estimation. At the …

Jamming an uncalibrated GNSS array receiver of distributed antenna elements for concealed installation in passenger cars

M Brachvogel, M Niestroj, S Zorn… - 2020 European …, 2020 - ieeexplore.ieee.org
Interference signals are a severe threat to any GNSS receiver. Due to the low reception
power of satellite signals, even comparably weak interferences can significantly decrease …

Interference and jammer suppression of high bandwidth signals using an array of spatially distributed subarrays

M Brachvogel, M Niestroj, S Schoenbrod… - Proceedings of the 34th …, 2021 - ion.org
Antenna arrays and spatial signal processing techniques have proven to be the most
effective countermeasures against radio interference (RFI). Beamforming algorithms such as …