55 hasil untuk "Ingrid Moerman"
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Artikel Jurnal
On Fairness Degradation in Cell-Free Multi-Stream Massive MIMO With Mobile-Grade Antennas
For the commercial deployment of cell-free (CF) massive MIMO, mobile-grade antennas are envisioned for use in low-cost, low-complexity access points. It is essential to consider the practical constraints of these mobile-grade components when comparing the performance of CF and cellular networks. In…
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Artikel Jurnal
Hybrid Schedule Management in 6TiSCH Networks: The Coexistence of Determinism and Flexibility
With the emergence of the Internet of Things (IoT), Industry 4.0, and cyber-physical system concepts, there is a tremendous change ongoing in industrial applications, which is imposing increasingly diverse and demanding network dynamics and requirements with a wider and more fine-grained scale. The…
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Artikel Jurnal
Complexity Reduction in RIS Optimization: A User Grouping and Adaptive Beamforming Approach
This paper addresses a critical challenge of high computational complexity in the optimization of reconfigurable intelligent surfaces (RISs), a bottleneck that currently prevents real-time implementation in practical wireless networks. Existing iterative algorithms often exceed the channel…
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Artikel Jurnal
Machine-Vision Aided Low-Complexity Beamforming Methods for IRS Networks
This paper uses machine vision (MV) to assist communication in wireless networks, with a specific focus on intelligent reflecting surface (IRS)-assisted wireless systems. Instead of relying on traditional schemes such as alternating optimization or semidefinite relaxation, which are computationally…
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Artikel Jurnal
Performance and Architectural Tradeoffs in Scalable Cell-Free Massive MIMO
The massive number of APs is often perceived as a complexity bottleneck for the scalable deployment of Cell-free (CF) systems. In this context, we propose various system-level results and valuable insights on some of the multidimensional design challenges: the energy efficiency (EE) gap between…
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Artikel Jurnal
An Approach to Achieve Zero Turnaround Time in TDD Operation on SDR Front-End
Thanks to the digitization and softwarization of radio communication, the development cycle of new radio technologies can be significantly accelerated by prototyping on software-defined radio (SDR) platforms. However, a slow turnaround time (TT) of the front-end of an SDR for switching from…
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Artikel Jurnal
Radio Resource Management for Intelligent Neutral Host (INH) in Multi-Operator Environments
In the era of fifth-generation (5G) cellular networks and beyond, network sharing has emerged as a promising approach to address the escalating demand for spectrum and infrastructure resources. Intelligent Neutral Host (INH) is an advanced network-sharing method facilitated by Open Radio Access…
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Artikel Jurnal
A Q-Learning Scheme for Fair Coexistence Between LTE and Wi-Fi in Unlicensed Spectrum
During the last years, the growth of wireless traffic pushed the wireless community to search for solutions that can assist in a more efficient management of the spectrum. Toward this direction, the operation of long term evolution (LTE) in unlicensed spectrum (LTE-U) has been proposed. Targeting a…
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Artikel Jurnal Teks lengkap
Experimental Evaluation of Unicast and Multicast CoAP Group Communication
The Internet of Things (IoT) is expanding rapidly to new domains in which embedded devices play a key role and gradually outnumber traditionally-connected devices. These devices are often constrained in their resources and are thus unable to run standard Internet protocols. The Constrained…
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Artikel Jurnal
Broadcast Aggregation to Improve Quality of Service in Wireless Sensor Networks
In-network aggregation is used in wireless sensor networks to reduce energy consumption on sensor nodes with limited capabilities. Typically, only packets with the same destination are aggregated along the routing path and these packets are sent by unicast. While this is adequate for traditional…
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Artikel Jurnal
Making ad hoc networking a reality: problems and solutions
Despite the fact that many electronic evices are equipped with wireless interfaces and numerous publications on wireless ad hoc and mesh networking exist, these networks are seldom used in everyday life. A possible explanation is the fact that only few of the numerous theoretically promising…
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Artikel Jurnal
End-to-End Learning From Spectrum Data: A Deep Learning Approach for Wireless Signal Identification in Spectrum Monitoring Applications
This paper presents end-to-end learning from spectrum data-an umbrella term for new sophisticated wireless signal identification approaches in spectrum monitoring applications based on deep neural networks. End-to-end learning allows to: 1) automatically learn features directly from simple wireless…
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Artikel Jurnal Teks lengkap
A Survey of LoRaWAN for IoT: From Technology to Application
LoRaWAN is one of the low power wide area network (LPWAN) technologies that have received significant attention by the research community in the recent years. It offers low-power, low-data rate communication over a wide range of covered area. In the past years, the number of publications regarding…
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Artikel Jurnal
Smart container monitoring using custom-made WSN technology: from business case to prototype
Abstract This paper reports on the development of a prototype solution for tracking and monitoring shipping containers. Deploying wireless sensor networks (WSNs) in an operational environment remains a challenging task. We strongly believe that standardized methodologies and tools could enhance…
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Artikel Jurnal
RPL Mobility Support for Point-to-Point Traffic Flows towards Mobile Nodes
The “routing protocol for low-power and lossy networks” (RPL) from the IETF ROLL working group is a widely used standard to support routing in wireless sensor networks (WSNs). Although the RPL protocol was originally designed with static topologies in mind, recently a number of extensions have been…
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Artikel Jurnal
Feedback-Based Control Loop Congestion Control Algorithm for Wireless Networks
Wi-Fi plays a crucial role in connecting private professional networks by providing varying data rates based on channel quality. Despite advancements in Wi-Fi protocols, there is still a problem of throughput degradation for higher data rate devices when lower data rate devices are around, due to…
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Artikel Jurnal
Machine Learning Enabled Wi-Fi Saturation Sensing for Fair Coexistence in Unlicensed Spectrum
In the past few years, machine learning (ML) techniques have been extensively applied to provide efficient solutions to complex wireless network problems. As such, Convolutional Neural Network (CNN) and Q-learning based ML techniques are most popular to achieve harmonized coexistence of Wi-Fi with…
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Artikel Jurnal Teks lengkap
Coexistence Scheme for Uncoordinated LTE and WiFi Networks Using Experience Replay Based Q-Learning
Nowadays, broadband applications that use the licensed spectrum of the cellular network are growing fast. For this reason, Long-Term Evolution-Unlicensed (LTE-U) technology is expected to offload its traffic to the unlicensed spectrum. However, LTE-U transmissions have to coexist with the existing…
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Artikel Jurnal Teks lengkap
LoRa Scalability: A Simulation Model Based on Interference Measurements
LoRa is a long-range, low power, low bit rate and single-hop wireless communication technology. It is intended to be used in Internet of Things (IoT) applications involving battery-powered devices with low throughput requirements. A LoRaWAN network consists of multiple end nodes that communicate…