Broadband digital over-the-air computation for asynchronous federated edge learning

X Zhao, L You, R Cao, Y Shao… - ICC 2022-IEEE …, 2022 - ieeexplore.ieee.org
This paper presents the first broadband digital over-the-air computation (AirComp) system
for phase asynchronous OFDM-based federated edge learning systems. Existing analog …

Short-packet physical-layer network coding

SS Ullah, SC Liew, G Liva… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper explores the application of physical-layer network coding (PNC) for short-packet
transmissions. PNC can potentially reduce the communication delay in relay-assisted …

Implementation of short-packet physical-layer network coding

SS Ullah, SC Liew, G Liva… - IEEE transactions on …, 2021 - ieeexplore.ieee.org
This paper presents the implementation and experimental evaluation of a short-packet
physical-layer network coding (PNC) system. Implementation of short-packet PNC systems …

Channel and delay estimation for asynchronous physical layer network coding

X Hu, Z Chen, F Yin - AEU-International Journal of Electronics and …, 2018 - Elsevier
Relative Delay estimation is an important issue for asynchronous physical layer network
coding (PLNC). In this paper, an fast Fourier transform (FFT) based channel and delay …

Physical-layer network coding: A random coding error exponent perspective

SS Ullah, G Liva, SC Liew - 2017 IEEE Information Theory …, 2017 - ieeexplore.ieee.org
In this work, we derive the random coding error exponent for the uplink phase of a two-way
relay system where physical layer network coding (PNC) is employed. The error exponent is …

Asynchronous Denoise and Forward Two-Way Relay Using ECPM

B Li, H Leung - IEEE Transactions on Vehicular Technology, 2023 - ieeexplore.ieee.org
In a denoise-and-forward (DNNF) two-way relay system, since the relay is at different
distances with the end users, the signals are combined with asynchronous phases and …

Coherent detection for short-packet physical-layer network coding with binary FSK modulation

Z Wang, SC Liew - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
This paper investigates coherent detection for physical-layer network coding (PNC) with
short packet transmissions in a two-way relay channel (TWRC). PNC turns superimposed …

Short packet physical-layer network coding with mismatched channel state information

SS Ullah, G Liva, SC Liew - 2018 IEEE Wireless …, 2018 - ieeexplore.ieee.org
Future multi-terminal communication networks such as machine-to-machine, telecommand
and remote control communication systems will be based on short-packet transmissions …

Secure computation-and-forward with linear codes

M Hayashi, T Wadayama… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
We discuss secure transmission via an untrusted relay when we have a multiple access
phase from two nodes to the relay and a broadcast phase from the relay to the two nodes. To …

Optimal rate-diverse wireless network coding over parallel subchannels

T Wang, SC Liew, SS Ullah - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper derives the maximum achievable sum-rate and presents the optimal
encoding/decoding framework for rate-diverse wireless network coding (RD-WNC) over …