CHARLES: Channel-quality-adaptive over-the-air federated learning over wireless networks

J Mao, H Yang, P Qiu, J Liu… - 2022 IEEE 23rd …, 2022 - ieeexplore.ieee.org
… (channelquality-aware over-the-air local estimating and scaling). Our CHARLES algorithm
performs channel … scaling to mitigate the impacts of wireless channel fading. We establish the …

Channel modeling and over-the-air signal quality at 3.5 GHz for 5G new radio

EI Adegoke, E Kampert, MD Higgins - IEEE Access, 2021 - ieeexplore.ieee.org
… In this article, 5G NR signals are used to evaluate the over-the-air (OTA) error vector
magnitude (EVM) within a line-of-sight (LoS) rural/urban environment. For the same receiver …

Optimized power control for over-the-air computation in fading channels

X Cao, G Zhu, J Xu, K Huang - IEEE Transactions on Wireless …, 2020 - ieeexplore.ieee.org
… structure: if the product of the channel quality and power budget for each device, called …
the quality indicator as the product of its power budget and channel power gain (ie, Pk|hk|2 …

Over-the-air computation with imperfect channel state information

Y Chen, G Zhu, J Xu - 2022 IEEE 23rd International Workshop …, 2022 - ieeexplore.ieee.org
channel inversion power control as in (9). For the WDs with sufficient transmit power and/or
good channel quality … a regularized channel inversion structure; for the other WDs with limited …

Over-the-air computation in OFDM systems with imperfect channel state information

Y Chen, H Xing, J Xu, L Xu, S Cui - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
… the over-the-air computation (AirComp) in an orthogonal frequency division multiplexing (OFDM)
system with imperfect channel … to find high-quality though suboptimal solutions for the …

Gradient and channel aware dynamic scheduling for over-the-air computation in federated edge learning systems

J Du, B Jiang, C Jiang, Y Shi… - IEEE Journal on Selected …, 2023 - ieeexplore.ieee.org
… , overthe-air computation (AirComp) is emerging as a promising solution by using the
superposition characteristics of wireless channelsquality considering the device data, channel

Deep learning based over-the-air channel estimation using a ZYNQ SDR platform

B Banerjee, Z Khan, JJ Lehtomäki, M Juntti - IEEE Access, 2022 - ieeexplore.ieee.org
… test over-the-air (OTA) deep learning driven channel estimation … deep learning driven channel
estimation platform which … deep learning solution for wireless channel estimators. To this …

Channel modelling for multiprobe overtheair MIMO testing

P Kyösti, T Jämsä, JP Nuutinen - International Journal of …, 2012 - Wiley Online Library
overtheair (OTA) test setup for multiple‐input‐multiple‐output (MIMO) capable terminals
with emphasis on channel … chamber requires unconventional radio channel modelling, namely…

Over-the-air computing under adaptive channel state estimation

NG Evgenidis, VK Papanikolaou… - … on Wireless and …, 2022 - ieeexplore.ieee.org
… through the use of high quality oscillators need to be … through the wireless channel is prone
to channel fading and … and are our primary concern over the available resources is taken to …

Cluster-based radio channel emulation for over-the-air testing of automotive wireless systems

P Berlt, F Wollenschläger… - 2017 11th European …, 2017 - ieeexplore.ieee.org
… This paper discusses a modular approach for antenna constellations for overthe-air tests in
… suitability for reliable channel emulation. The criterion adapted to evaluate the quality of the …