UAVs and UAV Swarms for Civilian Applications: Communications and Image Processing in the SCIADRO Project

Bacco, Manlio; Chessa, Stefano; Benedetto, Marco Di; Fabbri, Davide; Girolami, Michele; Gotta, Alberto; Moroni, Davide; Pascali, Maria Antonietta; Pellegrini, Vincenzo

doi:10.1007/978-3-319-76571-6_12

Cited by 15 publications

(10 citation statements)

References 16 publications

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“…The UAV delivers an H.264 compressed video stream over an UDP-based protocol stack. 802.11g connectivity has been used to transfer data in Visual Line of Sight (VLoS) trials [33], while 4G-based data transmissions have been used in Beyond Visual Line of Sight (BVLoS) scenarios [34].…”

Section: B Unmanned Aerial Vehicle (Uav)mentioning

confidence: 99%

Monitoring Ancient Buildings: Real Deployment of an IoT System Enhanced by UAVs and Virtual Reality

et al. 2020

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The historical buildings of a nation are the tangible signs of its history and culture. Their preservation deserves considerable attention, being of primary importance from a historical, cultural, and economic point of view. Having a scalable and reliable monitoring system plays an important role in the Structural Health Monitoring (SHM): therefore, this paper proposes an Internet of Things (IoT) architecture for a remote monitoring system that is able to integrate, through the Virtual Reality (VR) paradigm, the environmental and mechanical data acquired by a wireless sensor network set on three ancient buildings with the images and context information acquired by an Unmanned Aerial Vehicle (UAV). Moreover, the information provided by the UAV allows to promptly inspect the critical structural damage, such as the patterns of cracks in the structural components of the building being monitored. Our approach opens new scenarios to support SHM activities, because an operator can interact with real-time data retrieved from a Wireless Sensor Network (WSN) by means of the VR environment. INDEX TERMS Internet of Things, structural health monitoring, virtual reality, unmanned aerial vehicles, condition monitoring.

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Section: B Unmanned Aerial Vehicle (Uav)mentioning

confidence: 99%

Monitoring Ancient Buildings: Real Deployment of an IoT System Enhanced by UAVs and Virtual Reality

et al. 2020

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“…In order to enhance overall performance with respect to power consumption, power absorption minimization is carried out to prolong the battery duration, as also proposed in [11]. Moreover, it provides a solution alternative to what proposed in [16], which considered the GStreamer framework to deliver real-time video streams from moving vehicles (such as UAVs) to fixed receivers. In particular, [16] applied multipath techniques to increase the reliability when delivering video streams, neglecting however energy consumption implications.…”

Section: Related Workmentioning

confidence: 99%

“…Moreover, it provides a solution alternative to what proposed in [16], which considered the GStreamer framework to deliver real-time video streams from moving vehicles (such as UAVs) to fixed receivers. In particular, [16] applied multipath techniques to increase the reliability when delivering video streams, neglecting however energy consumption implications. By contrast, this work provides insights on the latter by relying on the use of the WebRTC framework, focusing on power consumption and achievable Quality of Experience (QoE), in order to provide a set of different solutions to be used in scenarios with different requirements.…”

Section: Related Workmentioning

confidence: 99%

Performance Analysis of WebRTC-Based Video Streaming Over Power Constrained Platforms

Bacco

Catena

Cola³

et al. 2018

2018 IEEE Global Communications Conference (GLOBECOM)

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This work analyses the use of the WebRTC framework on resource-constrained platforms. WebRTC is a consolidated solution for real-time video streaming, and it is an appealing solution in a wide range of application scenarios. We focus our attention on those in which power consumption, size and weight are of paramount importance because of size, weight and power requirements, such as the use case of unmanned aerial vehicles delivering real-time video streams over WebRTC to peers on the ground. The testbed described in this work shows that the power consumption can be reduced by changing WebRTC default settings while maintaining comparable video quality.

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“…Consequently, it has the potential to improve both Quality of Service (QoS) and user-perceived Quality of Experience (QoE) in real-time multimedia applications. Among the scenarios stated above, those involving UAVs can largely benefit from multipath transmissions, mainly when operated over wireless networks, without Line of Sight (LoS) [1], [2].…”

Section: Introductionmentioning

confidence: 99%

Actor-Critic Scheduling for Path-Aware Air-to-Ground Multipath Multimedia Delivery

Machumilane¹,

Gotta²,

Cassarà³

et al. 2022

Preprint

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Reinforcement Learning (RL) has recently found wide applications in network traffic management and control because some of its variants do not require prior knowledge of network models. In this paper, we present a novel scheduler for real-time multimedia delivery in multipath systems based on an Actor-Critic (AC) RL algorithm. We focus on a challenging scenario of real-time video streaming from an Unmanned Aerial Vehicle (UAV) using multiple wireless paths. The scheduler acting as an RL agent learns in real-time the optimal policy for path selection, path rate allocation and redundancy estimation for flow protection. The scheduler, implemented as a module of the GStreamer framework, can be used in real or simulated settings. The simulation results show that our scheduler can target a very low loss rate at the receiver by dynamically adapting in real-time the scheduling policy to the path conditions without performing training or relying on prior knowledge of network channel models.

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UAVs and UAV Swarms for Civilian Applications: Communications and Image Processing in the SCIADRO Project

Cited by 15 publications

References 16 publications

Monitoring Ancient Buildings: Real Deployment of an IoT System Enhanced by UAVs and Virtual Reality

Monitoring Ancient Buildings: Real Deployment of an IoT System Enhanced by UAVs and Virtual Reality

Performance Analysis of WebRTC-Based Video Streaming Over Power Constrained Platforms

Actor-Critic Scheduling for Path-Aware Air-to-Ground Multipath Multimedia Delivery

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