no code implementations • 12 Jan 2023 • Sara Khosravi, Hossein S. Ghadikolaei, Jens Zander, Marina Petrova
In this paper, we develop an algorithm for joint handover and beam tracking in millimeter-wave (mmWave) networks.
no code implementations • 31 Oct 2022 • Afsaneh Mahmoudi, José Mairton Barros Da Silva Júnior, Hossein S. Ghadikolaei, Carlo Fischione
This paper proposes Adaptive Lazily Aggregated Quantized Gradient (A-LAQ), which is a method that significantly extends LAQ by assigning an adaptive number of communication bits during the FL iterations.
no code implementations • 16 Apr 2022 • Afsaneh Mahmoudi, Hossein S. Ghadikolaei, José Mairton Barros Da Silva Júnior, Carlo Fischione
We propose an iteration-termination method that trade-offs the training performance and networking costs.
no code implementations • 1 Jan 2021 • Hossein S. Ghadikolaei, Thomas Ohlson Timoudas, Carlo Fischione
We show that our approach can substantially outperform vanilla SVRG and its variants in terms of both convergence rate and total cost of running the algorithm.
no code implementations • 3 Nov 2020 • Sara Khosravi, Hossein S. Ghadikolaei, Marina Petrova
Millimeter-wave (mmWave) communication is a promising solution to the high data rate demands in the upcoming 5G and beyond communication networks.
no code implementations • 24 Mar 2020 • Sara Khosravi, Hossein S. Ghadikolaei, Marina Petrova
We show that our method provides high rate and reliability in all locations of the user's trajectory with a minimal number of handovers.
no code implementations • 19 Mar 2020 • Hossein S. Ghadikolaei, Hadi Ghauch, Gabor Fodor, Mikael Skoglund, Carlo Fischione
Inter-operator spectrum sharing in millimeter-wave bands has the potential of substantially increasing the spectrum utilization and providing a larger bandwidth to individual user equipment at the expense of increasing inter-operator interference.
no code implementations • 10 Mar 2020 • Hossein S. Ghadikolaei, Sindri Magnusson
Moreover, it is much more robust to quantization (in terms of maintaining the true minimizer and the convergence rate) than the state-of-the-art algorithms for solving distributed optimization problems.
no code implementations • 23 Dec 2019 • Sara Khosravi, Hossein S. Ghadikolaei, Marina Petrova
We design a lightweight beam-searching algorithm for mobile millimeter-wave systems.