Johannes Güldenring

Multi-Connectivity Strategies for Vehicular and Robotic Communications


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ISBN:

978-3-8440-8582-2

Reihe:

Dortmunder Beiträge zu Kommunikationsnetzen und -systemen
Herausgeber: Prof. Dr.-Ing. C. Wietfeld
Dortmund

Band:

Schlagwörter:

Multi-Connectivity; Multi-RAT; Multi-Link; SKATES; CVIM; Vehicle Big Data; Rescue Robotics; Communication

Publikationsart:

Dissertation

Sprache:

Englisch

Seiten:

190 Seiten

Abbildungen:

68 Abbildungen

Gewicht:

281 g

Format:

21 x 14,8 cm

Bindung:

Paperback

Preis:

48,80 € / 61,10 SFr

Erscheinungsdatum:

Mai 2022

Kaufen:

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Zusammenfassung

The current evolution of partially and fully autonomous vehicles and robotic systems requires high-performance and reliable communication networks. This thesis proposes and analyzes the multi-connectivity solution approach SKATES for reliable and high-performant communication. SKATES combines multiple heterogeneous Radio Access Technologies (RAT) into one unified data link. In this way, high data rates, low latencies, and real-time capability can be achieved.

The SKATES multi-connectivity approach is evaluated in two realistic reference scenarios. In the first scenario, connected cars collect sensor data and contribute to a crowd-sourced big data marketplace. The focus lies on the simultaneous data collection of many thousands of vehicles, which have to successfully deliver data in a defined time to implement service guarantees. The Common Vehicle Information Model (CVIM) data model for efficiently encoding of the sensor information is proposed and evaluated. Furthermore, this thesis introduces and evaluates channel-aware multi-connectivity uploading schemes, which exploit channel quality indicators to improve data uploads.

In the second scenario, SKATES is implemented in unmanned aerial and ground robotic systems for exploration in post-disaster and rescue scenarios. These robotic systems are evaluated in extensive experimental field tests, e.g., during flight tests over the Baltic Sea. Here, the challenge is real-time teleoperation in an environment with extremely poor network coverage. The results of both scenarios prove the feasibility and robustness performance of SKATES and show that both high data rates and real-time transmissions are achieved.