Search Results for author: Mohammad Moltafet

Found 6 papers, 0 papers with code

Semantic-aware Sampling and Transmission in Energy Harvesting Systems: A POMDP Approach

no code implementations11 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).

Optimal Semantic-aware Sampling and Transmission in Energy Harvesting Systems Through the AoII

no code implementations3 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.

Stochastic Optimization

Query-Age-Optimal Scheduling under Sampling and Transmission Constraints

no code implementations23 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.

Scheduling

Multi-Source AoI-Constrained Resource Minimization under HARQ: Heterogeneous Sampling Processes

no code implementations19 Jul 2022 Saeid Sadeghi Vilni, Mohammad Moltafet, Markus Leinonen, Marian Codreanu

Finally, we consider unknown environment and devise a learning-based transmission policy by relaxing the CMDP problem into an MDP problem using the DPP method and then adopting the deep Q-learning algorithm.

Q-Learning Scheduling

Minimizing AoI in Resource-Constrained Multi-Source Relaying Systems with Stochastic Arrivals

no code implementations10 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.

Stochastic Optimization

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