Search Results for author: Sumudu Samarakoon

Found 22 papers, 1 papers with code

Cooperative Multi-Agent Learning for Navigation via Structured State Abstraction

no code implementations20 Jun 2023 Mohamed K. AbdelAziz, Mohammed S. Elbamby, Sumudu Samarakoon, Mehdi Bennis

Learning a navigation policy along with a communication protocol in a MARL environment is highly complex due to the huge state space to be explored.

Multi-agent Reinforcement Learning

Federated Learning Games for Reconfigurable Intelligent Surfaces via Causal Representations

no code implementations2 Jun 2023 Charbel Bou Chaaya, Sumudu Samarakoon, Mehdi Bennis

Equivalently, this corresponds to a game played between multiple RISs, as learning agents, in heterogeneous environments.

Federated Learning

Codesign of Edge Intelligence and Automated Guided Vehicle Control

1 code implementation3 May 2023 Malith Gallage, Rafaela Scaciota, Sumudu Samarakoon, Mehdi Bennis

This work presents a harmonic design of autonomous guided vehicle (AGV) control, edge intelligence, and human input to enable autonomous transportation in industrial environments.

Navigate

How Can Optical Communications Shape the Future of Deep Space Communications? A Survey

no code implementations7 Dec 2022 Sarah Karmous, Nadia Adem, Mohammed Atiquzzaman, Sumudu Samarakoon

In this survey, we discuss the pros and cons of deep space optical communications (DSOC) and review physical and networking characteristics.

Learning, Computing, and Trustworthiness in Intelligent IoT Environments: Performance-Energy Tradeoffs

no code implementations4 Oct 2021 Beatriz Soret, Lam D. Nguyen, Jan Seeger, Arne Bröring, Chaouki Ben Issaid, Sumudu Samarakoon, Anis El Gabli, Vivek Kulkarni, Mehdi Bennis, Petar Popovski

An Intelligent IoT Environment (iIoTe) is comprised of heterogeneous devices that can collaboratively execute semi-autonomous IoT applications, examples of which include highly automated manufacturing cells or autonomously interacting harvesting machines.

Edge-computing Total Energy

Federated Distributionally Robust Optimization for Phase Configuration of RISs

no code implementations20 Aug 2021 Chaouki Ben Issaid, Sumudu Samarakoon, Mehdi Bennis, H. Vincent Poor

In this article, we study the problem of robust reconfigurable intelligent surface (RIS)-aided downlink communication over heterogeneous RIS types in the supervised learning setting.

Joint Client Scheduling and Resource Allocation under Channel Uncertainty in Federated Learning

no code implementations12 Jun 2021 Madhusanka Manimel Wadu, Sumudu Samarakoon, Mehdi Bennis

In this article we investigate the problem of client scheduling and resource block (RB) allocation to enhance the performance of model training using FL, over a pre-defined training duration under imperfect channel state information (CSI) and limited local computing resources.

Federated Learning Scheduling +1

Robust Reconfigurable Intelligent Surfaces via Invariant Risk and Causal Representations

no code implementations4 May 2021 Sumudu Samarakoon, Jihong Park, Mehdi Bennis

In this paper, the problem of robust reconfigurable intelligent surface (RIS) system design under changes in data distributions is investigated.

Predictive Ultra-Reliable Communication: A Survival Analysis Perspective

no code implementations22 Dec 2020 Sumudu Samarakoon, Mehdi Bennis, Walid Saad, Merouane Debbah

Results show that the accuracy of detecting channel blocking events is higher using the model-based method for low to moderate reliability targets requiring low sample complexity.

Survival Analysis Networking and Internet Architecture

Vehicular Cooperative Perception Through Action Branching and Federated Reinforcement Learning

no code implementations7 Dec 2020 Mohamed K. Abdel-Aziz, Cristina Perfecto, Sumudu Samarakoon, Mehdi Bennis, Walid Saad

Simulation results show the ability of the RL agents to efficiently learn the vehicles' association, RB allocation, and message content selection while maximizing vehicles' satisfaction in terms of the received sensory information.

reinforcement-learning Reinforcement Learning (RL)

BayGo: Joint Bayesian Learning and Information-Aware Graph Optimization

no code implementations9 Nov 2020 Tamara Alshammari, Sumudu Samarakoon, Anis Elgabli, Mehdi Bennis

This article deals with the problem of distributed machine learning, in which agents update their models based on their local datasets, and aggregate the updated models collaboratively and in a fully decentralized manner.

Phase Configuration Learning in Wireless Networks with Multiple Reconfigurable Intelligent Surfaces

no code implementations9 Oct 2020 George C. Alexandropoulos, Sumudu Samarakoon, Mehdi Bennis, Merouane Debbah

Reconfigurable Intelligent Surfaces (RISs) are recently gaining remarkable attention as a low-cost, hardware-efficient, and highly scalable technology capable of offering dynamic control of electro-magnetic wave propagation.

Deep Learning Assisted CSI Estimation for Joint URLLC and eMBB Resource Allocation

no code implementations12 Mar 2020 Hamza Khan, M. Majid Butt, Sumudu Samarakoon, Philippe Sehier, Mehdi Bennis

Multiple-input multiple-output (MIMO) is a key for the fifth generation (5G) and beyond wireless communication systems owing to higher spectrum efficiency, spatial gains, and energy efficiency.

Federated Learning under Channel Uncertainty: Joint Client Scheduling and Resource Allocation

no code implementations3 Feb 2020 Madhusanka Manimel Wadu, Sumudu Samarakoon, Mehdi Bennis

In this work, we propose a novel joint client scheduling and resource block (RB) allocation policy to minimize the loss of accuracy in federated learning (FL) over wireless compared to a centralized training-based solution, under imperfect channel state information (CSI).

Networking and Internet Architecture

Ultra-Reliable and Low-Latency Vehicular Communication: An Active Learning Approach

no code implementations27 Nov 2019 Mohamed K. Abdel-Aziz, Sumudu Samarakoon, Mehdi Bennis, Walid Saad

Therefore, to effectively allocate power and RBs, the proposed approach allows the network to actively learn its dynamics by balancing a tradeoff between minimizing the probability that the vehicles' AoI exceeds a predefined threshold and maximizing the knowledge about the network dynamics.

Active Learning GPR

Wireless Network Intelligence at the Edge

no code implementations7 Dec 2018 Jihong Park, Sumudu Samarakoon, Mehdi Bennis, Mérouane Debbah

), requires a novel paradigm change calling for distributed, low-latency and reliable ML at the wireless network edge (referred to as edge ML).

Face Recognition Medical Diagnosis

Distributed Federated Learning for Ultra-Reliable Low-Latency Vehicular Communications

no code implementations21 Jul 2018 Sumudu Samarakoon, Mehdi Bennis, Walid Saad, Merouane Debbah

In this paper, the problem of joint power and resource allocation (JPRA) for ultra-reliable low-latency communication (URLLC) in vehicular networks is studied.

Information Theory Information Theory

Federated Learning for Ultra-Reliable Low-Latency V2V Communications

no code implementations11 May 2018 Sumudu Samarakoon, Mehdi Bennis, Walid Saad, Merouane Debbah

It is shown that FL enables the proposed distributed method to estimate the tail distribution of queues with an accuracy that is very close to a centralized solution with up to 79\% reductions in the amount of data that need to be exchanged.

Federated Learning

Backhaul-Aware Interference Management in the Uplink of Wireless Small Cell Networks

no code implementations27 Aug 2013 Sumudu Samarakoon, Mehdi Bennis, Walid Saad, Matti Latva-aho

In this paper, a novel, backhaul-aware approach to interference management in wireless small cell networks is proposed.

Management

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