Traffic-aware gateway placement and queue management in flying networks

• Tipo: Artigo em Revista Científica Internacional
• Data: 2023

Autores

Coelho, A (Autor) Outra; Campos, R (Autor) FEUP; Manuel Ricardo (Autor) FEUP

Revista

Título: Ad Hoc Networks

Vol. 138

ISSN: 1570-8705

Editora: Elsevier

Indexação

ISI Web of Knowledge - 0 Citações

Scopus

Outras Informações

ID Authenticus: P-00W-WJN

DOI: 10.1016/j.adhoc.2022.103000

Abstract (EN): Unmanned Aerial Vehicles (UAVs) have emerged as adequate platforms to carry communications nodes, including Wi-Fi Access Points and cellular Base Stations. This has led to the concept of flying networks composed of UAVs as a flexible and agile solution to provide on-demand wireless connectivity anytime, anywhere. However, state of the art works have been focused on optimizing the placement of the access network providing connectivity to ground users, overlooking the backhaul network design. In order to improve the overall Quality of Service (QoS) offered to ground users, the placement of Flying Gateways (FGWs) and the size of the queues configured in the UAVs need to be carefully defined to meet strict performance requirements. The main contribution of this article is a traffic-aware gateway placement and queue management (GPQM) algorithm for flying networks. GPQM takes advantage of knowing in advance the positions of the UAVs and their traffic demand to determine the FGW position and the queue size of the UAVs, in order to maximize the aggregate throughput and provide stochastic delay guarantees. GPQM is evaluated by means of ns-3 simulations, considering a realistic wireless channel model. The results demonstrate significant gains in the QoS offered when GPQM is used.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 17