Implications of incident power density limits on power and EIRP levels of 5G millimeter-wave user equipment
User equipment (UE) is required to comply with the relevant radio frequency (RF)
electromagnetic field (EMF) exposure limits, which are of relevance to establish the …
electromagnetic field (EMF) exposure limits, which are of relevance to establish the …
Shortest range length to measure the total radiated power
B Derat, GF Hamberger… - … Microwaves, Antennas & …, 2019 - Wiley Online Library
Total radiated power (TRP) is a key performance metric in over‐the‐air (OTA) testing of
wireless devices. The TRP is evaluated by integration of the power density over a surface …
wireless devices. The TRP is evaluated by integration of the power density over a surface …
Comparing channel emulation algorithms by using plane waves and spherical vector waves in multiprobe anechoic chamber setups
This paper evaluates the performances of channel emulation algorithms in the multiprobe
anechoic chamber (MPAC) by using plane wave (PW) and spherical vector wave (SVW) …
anechoic chamber (MPAC) by using plane wave (PW) and spherical vector wave (SVW) …
Correction of over-the-air transmit and receive wireless device performance errors due to displaced antenna positions in the measurement coordinate system
GF Hamberger, JA Antón, SJ Lachner… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
Over-the-air (OTA) performance evaluation for wireless devices require electromagnetic field
measurements in the far-field (FF). This is typically achieved by using one or multiple test …
measurements in the far-field (FF). This is typically achieved by using one or multiple test …
Validation of Over-The-Air testing accuracy at mid-range distance for massive MIMO base stations
5G base stations are gradually evolving into Active Antenna Systems, improving the link
budget with beam-steering capabilities. As such antenna arrays are typically eight …
budget with beam-steering capabilities. As such antenna arrays are typically eight …
On the minimum range length for performing accurate direct far-field over-the-air measurements
B Derat, GF Hamberger… - 2019 Antenna …, 2019 - ieeexplore.ieee.org
Over-the-air (OTA) performance evaluation requires large investments in anechoic
environments. The question of minimizing the test distance is hence critical, and even more …
environments. The question of minimizing the test distance is hence critical, and even more …
Comparisons of channel emulation methods for state-of-the-art multi-probe anechoic chamber based millimeter-wave over-the-air testing
The sectored multi-probe anechoic chamber (MPAC) is regarded as a promising millimeter-
wave (mmWave) over-the-air (OTA) testing solution. However, there are still debates in the …
wave (mmWave) over-the-air (OTA) testing solution. However, there are still debates in the …
Microwave tomography data deconstruct of spatially diverse c-band scatter components using clustering algorithms
Communication signals that propagate through free space are subject to multi-path
interference due to scattering by various objects in the propagation channel. The effect is …
interference due to scattering by various objects in the propagation channel. The effect is …
[图书][B] Dielectrically Loaded Quad-ridge Flared Horns for Ultra Wideband Reflector Feed Applications in Radio Astronomy
J Flygare - 2022 - search.proquest.com
Reflector-based radio telescopes are used as tools for observations in both radio astronomy
and space geodesy. To observe the weak sources in space, highly sensitive receivers …
and space geodesy. To observe the weak sources in space, highly sensitive receivers …
On Convergence of the upper bound on the ratio of gain to quality factor
An antenna's practical far-field distance can be estimated from the upper bound on the ratio
of its gain to quality factor. This upper bound is an infinite series that can be truncated based …
of its gain to quality factor. This upper bound is an infinite series that can be truncated based …