no code implementations • 11 Nov 2023 • Abolfazl Zakeri, Mohammad Moltafet, Marian Codreanu
Then, for both AoII under the perfect channel setup and distortion, we express the belief as a function of the age of information (AoI).
no code implementations • 3 Apr 2023 • Abolfazl Zakeri, Mohammad Moltafet, Marian Codreanu
Then, for the perfect channel setup, we effectively truncate the corresponding belief space and solve the MDP problem using the relative value iteration method.
no code implementations • 23 Sep 2022 • Abolfazl Zakeri, Mohammad Moltafet, Markus Leinonen, Marian Codreanu
This letter provides query-age-optimal joint sampling and transmission scheduling policies for a heterogeneous status update system, consisting of a stochastic arrival and a generate-at-will source, with an unreliable channel.
no code implementations • 10 Mar 2022 • Abolfazl Zakeri, Mohammad Moltafet, Markus Leinonen, Marian Codreanu
The CMDP problem is solved by transforming it into an MDP problem using the Lagrangian relaxation method.
no code implementations • 3 Nov 2021 • Ali Nouruzi, Abolfazl Zakeri, Mohamad Reza Javan, Nader Mokari, Rasheed Hussain, Ahsan Syed Kazmi
In specific, the obtained results show that the average number of admitted requests of the network increases by 7 up to 14% and the network utilization cost decreases by 5 and 20 %.
no code implementations • 10 Sep 2021 • Abolfazl Zakeri, Mohammad Moltafet, Markus Leinonen, Marian Codreanu
We propose an algorithm that obtains a stationary deterministic near-optimal policy, establishing a benchmark for the system.
1 code implementation • 2 Feb 2021 • Amirhossein Shaghaghi, Abolfazl Zakeri, Nader Mokari, Mohammad Reza Javan, Mohammad Behdadfar, Eduard A Jorswieck
In this paper, we propose a Zero-Touch, deep reinforcement learning (DRL)-based Proactive Failure Recovery framework called ZT-PFR for stateful network function virtualization (NFV)-enabled networks.
no code implementations • 17 Jan 2021 • Abolfazl Zakeri, Ata Khalili, Mohammad Reza Javan, Nader Mokari, Eduard A Jorswieck
This paper studies a novel approach for successive interference cancellation (SIC) ordering and beamforming in a multiple antennas non-orthogonal multiple access (NOMA) network with multi-carrier multi-user setup.
no code implementations • 1 Nov 2020 • Abolfazl Zakeri, Mohammad Parvini, Mohammad Reza Javan, Nader Mokari, Eduard A Jorswieck
To further improve the system capacity, non-orthogonal multiple access (NOMA) is proposed as a candidate for multiple access schemes for future cellular networks.
Signal Processing
no code implementations • 22 Jul 2020 • Maryam Moghimi, Abolfazl Zakeri, Mohammad Reza Javan, Nader Mokari, Derrick Wing Kwan Ng
Caching phase where the contents are saved in the storage of the BSs, and 2.
no code implementations • 14 Jul 2019 • Abolfazl Zakeri, Narges Gholipoor, Mohammad Reza Javan, Nader Mokari, Eduard A. Jorswieck
Simulation results demonstrate that the proposed heuristic algorithm and framework outperforms the existing ones by 34% on average in cost reduction.