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Detalhes

Detalhes

017
Publicações

2021

Joint Traffic-Aware UAV Placement and Predictive Routing for Aerial Networks

Autores
Almeida, EN; Coelho, A; Ruela, J; Campos, R; Ricardo, M;

Publicação
AD HOC NETWORKS

Abstract

2021

Reproducible MIMO operation in ns-3 using trace-based wi-fi rate adaptation

Autores
Lamela, V; Fontes, H; Ruela, J; Ricardo, M; Campos, R;

Publicação
WNS3 2021: 2021 Workshop on ns-3, Virtual Event, USA

Abstract
Today, wireless networks are operating in increasingly complex environments, impacting the evaluation and validation of new networking solutions. Simulation, although fully controllable and easily reproducible, depends on simplified physical layer and channel models, which often produce optimistic results. Experimentation is also influenced by external random phenomena and limited testbed scale and availability, resulting in hardly repeatable and reproducible results. Previously, we have proposed the Trace-based Simulation (TS) approach to address the problem. TS uses traces of radio link quality and position of nodes to accurately reproduce past experiments in ns-3. Yet, in its current version, TS is not compatible with scenarios where Multiple-In-Multiple-Out (MIMO) is used. This is especially relevant since ns-3 assumes perfectly independent MIMO radio streams. In this paper, we introduce the Trace-based Wi-Fi Station Manager Model, which is capable of reproducing the Rate Adaptation of past Wi-Fi experiments, including the number of effective radio streams used. To validate the proposed model, the network throughput was measured in different experiments performed in the w-iLab.t testbed, considering Single-In-Single-Out (SISO) and MIMO operation using IEEE 802.11a/n/ac standards. The experimental results were then compared with the network throughput achieved using the improved TS and Pure Simulation (PS) approaches, validating the new proposed model and confirming its relevance to reproduce experiments previously executed in real environments. © 2021 ACM.

2020

On the Reproduction of Real Wireless Channel Occupancy in ns-3

Autores
Cruz, R; Fontes, H; Ruela, J; Ricardo, M; Campos, R;

Publicação
Proceedings of the 2020 Workshop on ns-3, WNS3 2020, Gaithersburg, MD, USA, June 17-18, 2020

Abstract

2019

A Routing Metric for Inter-flow Interference-aware Flying Multi-hop Networks

Autores
Coelho, A; Almeida, EN; Ruela, J; Campos, R; Ricardo, M;

Publicação
2019 IEEE SYMPOSIUM ON COMPUTERS AND COMMUNICATIONS (ISCC)

Abstract

2019

Repeatable and Reproducible Wireless Networking Experimentation through Trace-based Simulation

Autores
Lamela, V; Fontes, H; Oliveira, T; Ruela, J; Ricardo, M; Campos, R;

Publicação
2019 INTERNATIONAL CONFERENCE ON WIRELESS AND MOBILE COMPUTING, NETWORKING AND COMMUNICATIONS (WIMOB)

Abstract