no code implementations • 23 Mar 2024 • Botao Zhu, Ebrahim Bedeer, Ha H. Nguyen, Robert Barton, Jerome Henry
Energy load balancing is an essential issue in designing wireless sensor networks (WSNs).
no code implementations • 8 Nov 2023 • Botao Zhu, Ebrahim Bedeer, Ha H. Nguyen, Robert Barton, Zhen Gao
Maintaining freshness of data collection in Internet-of-Things (IoT) networks has attracted increasing attention.
no code implementations • 16 Oct 2023 • Alireza Maleki, Ha H. Nguyen, Ebrahim Bedeer, Robert Barton
Chirps spread spectrum (CSS) modulation is the heart of long-range (LoRa) modulation used in the context of long-range wide area network (LoRaWAN) in internet of things (IoT) scenarios.
no code implementations • 8 Dec 2022 • Alireza Maleki, Ha H. Nguyen, Ebrahim Bedeer, Robert Barton
In this paper, we present a device-to-device (D2D) transmission scheme for aiding long-range frequency hopping spread spectrum (LR-FHSS) LoRaWAN protocol with application in direct-to-satellite IoT networks.
no code implementations • 1 Dec 2021 • Botao Zhu, Ebrahim Bedeer, Ha H. Nguyen, Robert Barton, Jerome Henry
Employing unmanned aerial vehicles (UAVs) has attracted growing interests and emerged as the state-of-the-art technology for data collection in Internet-of-Things (IoT) networks.
no code implementations • 1 Aug 2021 • Botao Zhu, Ebrahim Bedeer, Ha H. Nguyen, Robert Barton, Jerome Henry
Toward this end, we formulate the energy consumption minimization problem as a constrained combinatorial optimization problem by jointly selecting CHs from nodes within clusters and planning the UAV's visiting order to the selected CHs.
no code implementations • 23 May 2021 • Boxin Du, Changhe Yuan, Robert Barton, Tal Neiman, Hanghang Tong
Despite the prevalence of hypergraphs in a variety of high-impact applications, there are relatively few works on hypergraph representation learning, most of which primarily focus on hyperlink prediction, often restricted to the transductive learning setting.