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002
Publications

2020

Ramble: Opportunistic Crowdsourcing of User-Generated Data using Mobile Edge Clouds

Authors
Garcia, M; Rodrigues, J; Silva, J; Marques, ERB; Lopes, LMB;

Publication
2020 Fifth International Conference on Fog and Mobile Edge Computing (FMEC)

Abstract

2018

Video Dissemination in Untethered Edge-Clouds: A Case Study

Authors
Rodrigues, J; Marques, ERB; Silva, J; Lopes, LMB; Silva, F;

Publication
Distributed Applications and Interoperable Systems - Lecture Notes in Computer Science

Abstract

2018

Panoptic, Privacy over Edge-Clouds

Authors
Freitas, T; Rodrigues, J; Bogas, D; Coimbra, M; Martins, R;

Publication
6th IEEE International Conference on Future Internet of Things and Cloud, FiCloud 2018, Barcelona, Spain, August 6-8, 2018

Abstract

2017

Using Edge-Clouds to Reduce Load on Traditional WiFi Infrastructures and Improve Quality of Experience

Authors
Pinto Silva, PMP; Rodrigues, J; Silva, J; Martins, R; Lopes, L; Silva, F;

Publication
1st IEEE International Conference on Fog and Edge Computing, ICFEC 2017, Madrid, Spain, May 14-15, 2017

Abstract
Crowd-sourcing the resources of mobile devices is a hot topic of research given the game-changing applications it may enable. In this paper we study the feasibility of using edge-clouds of mobile devices to reduce the load in traditional WiFi infrastructures for video dissemination applications. For this purpose, we designed and implemented a mobile application for video dissemination in sport venues that retrieves replays from a central server, through the access points in the WiFi infrastructure, into a smartphone. The fan's smartphones organize themselves into WiFi-Direct groups and exchange video replays whenever possible, bypassing the central server and access points. We performed a real-world experiment using the live TV feed for the Champions League game Benfica-Besiktas with the help of a group of volunteers using the application at the student's union lounge. The analysis of the logs strongly suggests that edge-clouds can significantly reduce the load in the access points at such large venues and improve quality of experience. Indeed, the edge-clouds formed were able to serve up to 80% of connected users and provide 56% of all downloads requested from within. © 2017 IEEE.

2017

Towards a middleware for mobile edge-cloud applications

Authors
Rodrigues, J; Marques, ERB; Lopes, LMB; Silva, FMA;

Publication
Proceedings of the 2nd Workshop on Middleware for Edge Clouds & Cloudlets - MECC '17

Abstract