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Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems = = Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems =/
Reminder of title:	Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen.
Author:	Mortazavi, Sanaz.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
Description:	220 p.
Notes:	Source: Dissertations Abstracts International, Volume: 83-06, Section: B.
Contained By:	Dissertations Abstracts International83-06B.
Subject:	Wireless networks. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28847727
ISBN:	9798759928133

Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems = = Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen.
Mortazavi, Sanaz.

Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems =Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 220 p.

Source: Dissertations Abstracts International, Volume: 83-06, Section: B.

Thesis (Ph.D.)--Technische Universitaet Berlin (Germany), 2021.

This item must not be sold to any third party vendors.

The future car might well have just an electric engine and be driven by artificial intelligence. To enable the implementation of fully autonomous driving, a large number of sensors, radar nodes, and cameras must provide the required information for the central decision-making unit(s), which control(s) the actuators. For this purpose, tens of gigabits of data must be transferred between different nodes through an appropriate communication network. The traditional automotive communication networks cannot satisfy the requirements of the future car. Ethernet technology is the choice of the automotive industry for the mentioned reasons. The automotive Ethernet for the implementation of two different data rates, i.e., 100 Mbit/s and 1000 Mbit/s, have been standardized. The next outstanding standard deals with data rates of 2.5 Gbit/s, 5 Gbit/s, and 10 Gbit/s; the so-called Multi-Gigabit or Multi-Gig Ethernet. The IEEE P802.3cy taskforce will standardize the implementation of the data rates greater than 10 Gbit/s (25 Gbit/s, 50 Gbit/s, and 100 Gbit/s).As the vehicles move steadily, their electromagnetic environment continuously changes. Such changes may affect the functionality of the system and jeopardize the safety and reliability of the automotive Ethernet technology. One of the main problems for the development of automotive Multi-Gig Ethernet systems is the corresponding EMC issues. In this work, some of the essential EMC investigations into the automotive Multi-Gig Ethernet are performed and studied for the first time (to the author's knowledge). The prepared results of this work can help the semiconductor and automotive industry consider the possible EMC issues of these high-speed networks during the early design stages.The implementation of gigabit data rates assumes signal bandwidths in the gigahertz range. In such frequency domains the design of electronic components is challenging when considering the EMC issues. Accurate simulation models of the system omponents can help to reduce the costs and development times. Such simulation models should contain the corresponding high-frequency (HF) and EMC issues. One objective of this work is the development and verification of the components simulation models of the analog front-end of the automotive Ethernet for data rates of 100 Mbit/s, 1000 Mbit/s, and 2.5 Gbit/s. The simulation models of the common-mode termination, common-mode choke, low-pass filter, and the transceiver are presented. To verify the mentioned models, corresponding printed circuit boards have been developed and measured. Measurement results verify the simulation modelsFurthermore, the channel of the Multi-Gig Ethernet is studied. Different possible cable types, i.e., unshielded twisted pair, shielded twisted pair and shielded parallel pairs are studied in regards to their signal integrity and EMC suitability for their use in automotive Multi-Gig Ethernet. The EMC investigations include laboratory and in-vehicle measurements, consider HF-properties, noise immunity, and radiation. For the immunity and radiation of the channel, corresponding limits are suggested.Due to the radiation of the channel, the functionality and robustness of the other vehicle's components may be affected by the interferences. A 3D-field simulation method for the radiation of the automotive Multi-Gig channel up to 10 GHz is proposed in the latter part of this work.

ISBN: 9798759928133Subjects--Topical Terms:

1531264
Wireless networks.

Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems = = Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen.
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100 1 $a Mortazavi, Sanaz. $3 3683913
245 1 0 $a Investigation and Characterization of In-Vehicle EMC Coupling Mechanisms of Multi-Gigabit Ethernet Communication Systems = $b Untersuchung und Charakterisierung von EMV-Kopplungsmechanismen im Fahrzeug von Multi-Gigabit-Ethernet-Kommunikationssystemen.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2021
300 $a 220 p.
500 $a Source: Dissertations Abstracts International, Volume: 83-06, Section: B.
500 $a Advisor: Gerfers, Friedel;Leferink, Frank;Meisner, Joachim.
502 $a Thesis (Ph.D.)--Technische Universitaet Berlin (Germany), 2021.
506 $a This item must not be sold to any third party vendors.
520 $a The future car might well have just an electric engine and be driven by artificial intelligence. To enable the implementation of fully autonomous driving, a large number of sensors, radar nodes, and cameras must provide the required information for the central decision-making unit(s), which control(s) the actuators. For this purpose, tens of gigabits of data must be transferred between different nodes through an appropriate communication network. The traditional automotive communication networks cannot satisfy the requirements of the future car. Ethernet technology is the choice of the automotive industry for the mentioned reasons. The automotive Ethernet for the implementation of two different data rates, i.e., 100 Mbit/s and 1000 Mbit/s, have been standardized. The next outstanding standard deals with data rates of 2.5 Gbit/s, 5 Gbit/s, and 10 Gbit/s; the so-called Multi-Gigabit or Multi-Gig Ethernet. The IEEE P802.3cy taskforce will standardize the implementation of the data rates greater than 10 Gbit/s (25 Gbit/s, 50 Gbit/s, and 100 Gbit/s).As the vehicles move steadily, their electromagnetic environment continuously changes. Such changes may affect the functionality of the system and jeopardize the safety and reliability of the automotive Ethernet technology. One of the main problems for the development of automotive Multi-Gig Ethernet systems is the corresponding EMC issues. In this work, some of the essential EMC investigations into the automotive Multi-Gig Ethernet are performed and studied for the first time (to the author's knowledge). The prepared results of this work can help the semiconductor and automotive industry consider the possible EMC issues of these high-speed networks during the early design stages.The implementation of gigabit data rates assumes signal bandwidths in the gigahertz range. In such frequency domains the design of electronic components is challenging when considering the EMC issues. Accurate simulation models of the system omponents can help to reduce the costs and development times. Such simulation models should contain the corresponding high-frequency (HF) and EMC issues. One objective of this work is the development and verification of the components simulation models of the analog front-end of the automotive Ethernet for data rates of 100 Mbit/s, 1000 Mbit/s, and 2.5 Gbit/s. The simulation models of the common-mode termination, common-mode choke, low-pass filter, and the transceiver are presented. To verify the mentioned models, corresponding printed circuit boards have been developed and measured. Measurement results verify the simulation modelsFurthermore, the channel of the Multi-Gig Ethernet is studied. Different possible cable types, i.e., unshielded twisted pair, shielded twisted pair and shielded parallel pairs are studied in regards to their signal integrity and EMC suitability for their use in automotive Multi-Gig Ethernet. The EMC investigations include laboratory and in-vehicle measurements, consider HF-properties, noise immunity, and radiation. For the immunity and radiation of the channel, corresponding limits are suggested.Due to the radiation of the channel, the functionality and robustness of the other vehicle's components may be affected by the interferences. A 3D-field simulation method for the radiation of the automotive Multi-Gig channel up to 10 GHz is proposed in the latter part of this work.
520 $a Das zukunftige Auto konnte durchaus nur einen Elektromotor haben und von kunstlicher Intelligenz gesteuert werden. Um ein vollstandig autonomes Fahren zu ermoglichen, muss eine grose Anzahl von Sensoren, Radaren und Kameras die erforderlichen Informationen fur die zentrale(n) Entscheidungseinheit(en) liefern, die die Aktoren steuern. Zu diesem Zweck mussen mehrere Gigabits an Daten zwischen verschiedenen Knoten uber ein geeignetes Kommunikationsnetz ubertragen werden. Die traditionellen Kfz-Kommunikationsnetzwerke konnen die Anforderungen des zukunftigen Autos nicht erfullen. Deswegen hat sich die Automobilindustrie fur die Ethernet-Technologie entschieden. Das Automotive-Ethernet fur die Implementierung von zwei verschiedenen Datenraten, 100 Mbit/s und 1000 Mbit/s, ist bereits standardisiert worden. Der nachste noch ausstehende Standard befasst sich mit Datenraten von 2,5 Gbit/s, 5 Gbit/s und 10 Gbit/s (Multi-Gigabit-Ethernet). Die IEEE P802.3cy-Taskforce wird die Implementierung der Datenraten von mehr als 10 Gbit/s (25 Gbit/s, 50 Gbit/s und 100 Gbit/s) standardisieren.Da sich die Fahrzeuge standig bewegen, andert sich ihre elektromagnetische Umgebung. Solche Veranderungen konnen die Funktionalitat des Systems beeintrachtigen und die Sicherheit und Zuverlassigkeit der automobilen Ethernet-Technologie gefahrden. Eines der Hauptprobleme bei der Entwicklung von automobilen Multi-Gigabit-Ethernet-Systemen sind die entsprechenden elektromagnetische vertraglichkeit (EMV)-Aspekte. In dieser Arbeit wurden einige der wesentlichen EMV-Untersuchungen bzgl. automobilen Multi-Gig-Ethernet zum ersten Mal (nach Kenntnis des Autors) durchgefuhrt. Die Ergebnisse dieser Arbeit konnen der Halbleiter- und Automobilindustrie helfen, die moglichen EMV-Probleme der Automotive-Ethernet-Netzwerke bereits in den fruhen Entwicklungsphasen zu berucksichtigen.Die Implementierung von Gigabit-Datenraten setzt Signalbandbreiten im Gigahertz-Bereich voraus. In solchen Frequenzbereichen ist das Design von elektronischen Komponenten unter Berucksichtigung der EMV-Aspekte eine Herausforderung. Genaue Simulationsmodelle der Systemkomponenten konnen helfen, die Kosten und Entwicklungszeiten zu reduzieren. Solche Simulationsmodelle sollten die entsprechenden Hochfrequenz- (HF) und EMV-Probleme enthalten. Ein Ziel dieser Arbeit ist die Entwicklung und Verifikation der Komponenten-Simulationsmodelle des analogen Front-Ends vom Automotive Ethernet fur Datenraten von 100 Mbit/s, 1000 Mbit/s und 2,5 Gbit/s. Die Simulationsmodelle der Gleichtaktterminierung, der Gleichtaktdrossel, des Tiefpassfilters und des Transceivers werden vorgestellt. Um die genannten Modelle zu verifizieren, wurden entsprechende Leiterplatten entwickelt und gemessen. Die Messergebnisse validieren die Simulationsmodelle.Auserdem wurde der Ubertragungskanal des Multi-Gig-Ethernet untersucht.Verschiedene mogliche Kabeltypen, UTP (unshielded twisted pair), STP (shielded twisted pair) und SPP (shielded parallel pair), wurden hinsichtlich ihrer Signalintegritat und EMV-Eignung fur den Einsatz im Automotive Multi-Gig-Ethernet untersucht. Die Labor- und Fahrzeug-interne EMV-Untersuchungen berucksichtigen HF-Eigenschaften, Storfestigkeit und Abstrahlung der Kabel. Fur die Storfestigkeit und Abstrahlung des Kanals werden entsprechende Grenzwerte vorgeschlagen.Aufgrund der Abstrahlung des Ubertragungskanals kann die Funktionalitat der anderen Fahrzeugkomponenten beeintrachtigt werden. Eine 3D-Feldsimulationsmethode fur die Abstrahlung des automobilen Multi-Gig-Kanals bis zu 10 GHz wird in dieser Arbeit vorgeschlagen. Diese Simulationsmethode wird fur die Berechnung der eingekoppelten Spannung an verschiedenen Fahrzeugantennen als Ergebnis der Kanalstrahlung verwendet. Die vorgeschlagene Simulationsmethode kann dazu dienen, die Automobilindustrie bei der Wahl der richtigen Kabelfuhrung zu unterstutzen.
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