10 papers
System-Level Evaluation of Uplink Access Schemes for Ambient IoT
Douglas Dziedzorm Agbeve, Henrique Duarte Moura, Andrey Belogaev +1
Ambient Internet of Things (A-IoT) devices operate under stringent energy constraints, relying on harvested power in the W-to-mW range and limited energy storage. The A-IoT air…
Adaptive Contention-based Random Access for Uplink Reporting in 3GPP Ambient IoT Networks
David E. Ruiz-Guirola, Samer Nasser, Bikramjit Singh +6
Ambient Internet of Things (A-IoT) targets energy harvesting (EH), battery-less devices as a simple connectivity solution for extensive ultra-low-power deployments. These devices t…
RF-Zero-Wire: Design and Analysis of Multi-Hop Low-latency Symbol-synchronous RF Communication
Xinlei Liu, Andrey Belogaev, Jonathan Oostvogels +3
The latency gap between wired and wireless networks poses a challenge in the adoption of wireless technologies in latency-sensitive scenarios. The gap is especially notable in mult…
Symbol-Synchronous Communication for Ultra-Low-Power Multi-Hop Ambient IoT Networks
Xinlei Liu, Andrey Belogaev, Jeroen Famaey
Ambient Internet of Things (A-IoT) devices, as a critical enabler of future green IoT networks, have attracted broad interest from both industry and academia due to their ability t…
Evaluating UORA-Based Polling Mechanism for Latency-Sensitive Uplink Traffic in Wi-Fi Networks
Douglas Dziedzorm Agbeve, Andrey Belogaev, Chris Blondia +1
IEEE 802.11ax (Wi-Fi 6) introduced Orthogonal Frequency Division Multiple Access (OFDMA), which enables simultaneous transmissions through centralized resource allocation. However,…
Design and Evaluation of IEEE 802.11ax Uplink Orthogonal Frequency Division Multiple Random Access in ns-3
Douglas Dziedzorm Agbeve, Andrey Belogaev, Jeroen Famaey
Wi-Fi networks have long relied on the Enhanced Distributed Channel Access (EDCA) mechanism, allowing stations to compete for transmission opportunities. However, as networks becom…
A2P: A Scalable OFDMA Polling Algorithm for Time-Sensitive Wi-Fi Networks
Douglas Dziedzorm Agbeve, Andrey Belogaev, Wim Sandra +2
Over the years, advancements such as increased bandwidth, new modulation and coding schemes, frame aggregation, and the use of multiple antennas have been employed to enhance Wi-Fi…
A Primer on AP Power Save in Wi-Fi 8: Overview, Analysis, and Open Challenges
Roger Sanchez-Vital, Andrey Belogaev, Carles Gomez +2
Wi-Fi facilitates the Internet connectivity of billions of devices worldwide, making it an indispensable technology for modern life. Wi-Fi networks are becoming significantly dense…
Low-latency Symbol-Synchronous Communication for Multi-hop Sensor Networks
Xinlei Liu, Andrey Belogaev, Jonathan Oostvogels +4
Wireless sensor networks (WSNs) have received great interest due to their scalability, energy efficiency, and low-cost deployment. By utilizing multi-hop communication, WSNs can co…
Dedicated Restricted Target Wake Time for Real-Time Applications in Wi-Fi 7
Andrey Belogaev, Xiaoman Shen, Chun Pan +3
Real-time applications (RTA) tend to play a crucial role in people's everyday life. Such applications are among the key use cases for the next generations of wireless technologies.…