Search Results for author: Hamid Jafarkhani

Found 6 papers, 0 papers with code

Signal Processing and Learning for Next Generation Multiple Access in 6G

no code implementations1 Sep 2023 Wei Chen, Yuanwei Liu, Hamid Jafarkhani, Yonina C. Eldar, Peiying Zhu, Khaled B Letaief

Wireless communication systems to date primarily rely on the orthogonality of resources to facilitate the design and implementation, from user access to data transmission.

Asynchronous Federated Learning with Bidirectional Quantized Communications and Buffered Aggregation

no code implementations1 Aug 2023 Tomas Ortega, Hamid Jafarkhani

Asynchronous Federated Learning with Buffered Aggregation (FedBuff) is a state-of-the-art algorithm known for its efficiency and high scalability.

Federated Learning Quantization

Gossiped and Quantized Online Multi-Kernel Learning

no code implementations24 Jan 2023 Tomas Ortega, Hamid Jafarkhani

In instances of online kernel learning where little prior information is available and centralized learning is unfeasible, past research has shown that distributed and online multi-kernel learning provides sub-linear regret as long as every pair of nodes in the network can communicate (i. e., the communications network is a complete graph).

Distributed Q-Learning with State Tracking for Multi-agent Networked Control

no code implementations22 Dec 2020 Hang Wang, Sen Lin, Hamid Jafarkhani, Junshan Zhang

Specifically, we assume that agents maintain local estimates of the global state based on their local information and communications with neighbors.

Q-Learning

Two-Hop Multi-UAV Relay Network Optimization with Directional Antennas

no code implementations29 Sep 2020 Carles Diaz Vilor, Hamid Jafarkhani

In this paper, we consider the multi-UAV deployment problem for a two-hop relaying system.

Fairness Scheduling +1

Using Quantization to Deploy Heterogeneous Nodes in Two-Tier Wireless Sensor Networks

no code implementations20 Jan 2019 Saeed Karimi-Bidhendi, Jun Guo, Hamid Jafarkhani

We study a heterogeneous two-tier wireless sensor network in which N heterogeneous access points (APs) collect sensing data from densely distributed sensors and then forward the data to M heterogeneous fusion centers (FCs).

Information Theory Information Theory

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