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Book
FDTD Modeling of EM Field inside Microwave Cavities
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Year: 2017 Publisher: Singapore : Springer Singapore : Imprint: Springer,

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This book deals with the EM analysis of closed microwave cavities based on a three-dimensional FDTD method. The EM analysis is carried out for (i) rectangular microwave ovens and (ii) hybrid-cylindrical microwave autoclaves at 2.45 GHz. The field distribution is first estimated inside domestic rectangular ovens in xy-, yz-, and zx-plane. Further, the RF leakage from the oven door is determined to study the effect of leakage radiation on wireless communication at 2.45 GHz. Furthermore, the EM analysis of the autoclave is carried out based on 3D FDTD using staircase approximation. In order to show the capability of autoclaves (excited with five source) for curing the aerospace components and materials, the field distribution inside autoclave cavity is studied in presence of aerospace samples. The FDTD based modelling of oven and autoclave are explained with the appropriate expressions and illustrations.


Book
Fiber-Wireless Convergence in Next-Generation Communication Networks : Systems, Architectures, and Management
Authors: --- ---
Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book investigates new enabling technologies for Fi-Wi convergence. The editors discuss Fi-Wi technologies at the three major network levels involved in the path towards convergence: system level, network architecture level, and network management level. The main topics will be: a. At system level: Radio over Fiber (digitalized vs. analogic, standardization, E-band and beyond) and 5G wireless technologies; b. Network architecture level: NGPON, WDM-PON, BBU Hotelling, Cloud Radio Access Networks (C-RANs), HetNets. c. Network management level: SDN for convergence, Next-generation Point-of-Presence, Wi-Fi LTE Handover, Cooperative MultiPoint. • Addresses the Fi-Wi convergence issues at three different levels, namely at the system level, network architecture level, and network management level • Provides approaches in communication systems, network architecture, and management that are expected to steer the evolution towards fiber-wireless convergence • Contributions from leading experts in the field of Fiber-Wireless Convergence.


Book
RF and Microwave Microelectronics Packaging II
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Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Reviews RF, microwave, and microelectronics assembly process, quality control, and failure analysis Bridges the gap between low cost commercial and hi-res RF/Microwave packaging technologies Engages in an in-depth discussion of challenges in packaging and assembly of advanced high-power amplifiers This book presents the latest developments in packaging for high-frequency electronics. It is a companion volume to “RF and Microwave Microelectronics Packaging” (2010) and covers the latest developments in thermal management, electrical/RF/thermal-mechanical designs and simulations, packaging and processing methods, and other RF and microwave packaging topics. Chapters provide detailed coverage of phased arrays, T/R modules, 3D transitions, high thermal conductivity materials, carbon nanotubes and graphene advanced materials, and chip size packaging for RF MEMS. It appeals to practicing engineers in the electronic packaging and high-frequency electronics domain, and to academic researchers interested in understanding the leading issues in the commercial sector. It is also a good reference and self-studying guide for students seeking future employment in consumer electronics.


Book
Grundkurs Hochfrequenztechnik : Eine Einführung
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ISBN: 365818163X Year: 2017 Publisher: Wiesbaden : Springer Fachmedien Wiesbaden : Imprint: Springer Vieweg,

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Ziel dieses Lehrbuches ist eine kompakte und verständliche Vermittlung des hochfrequenztechnischen Grundlagenwissens. Dazu gehört das Verständnis der Wellenausbreitung sowie der daraus resultierenden Phänomene Reflexion und Interferenz. Weiter nimmt das typische Handwerkszeug des HF-Technikers – das SMITH-Diagramm – breiten Raum ein. Ein Praxisbezug wird hergestellt durch Beschreibung von typischen HF-Bauteilen, Arbeitsmitteln und Methoden. Der Inhalt Leitungstheorie Wellenimpedanz Wellenlänge Reflexionsfaktor Leitungstransformation VSWR SMITH-Diagramm Anpassung Koaxialleitung Symmetrische Leitung Mikro-Streifenleitung Rechteckhohlleiter Aktive und passive n-Tore Wellengrößen Wellenquelle Wellensumpf s-Parameter Streumatrix Zirkulator Reflexionsfaktor-Messbrücke Richtkoppler Signalflussdiagramme MASON-Regel Gleichförmige ebene Welle Antennen Spektrum- und Netzwerkanalyse, EMV-Messtechnik Die Zielgruppen Studierende in Bachelor-Studiengängen der Elektrotechnik, Informationstechnik, Kommunikationstechnik oder Mechatronik sowie Wiedereinsteiger und Autodidakten Der Autor Prof. Dr.-Ing. Frieder Strauß ist seit 1995 Professor für Elektrotechnik an der Technischen Hochschule Bingen, wo er die Fächer Elektrische Messtechnik, Hochfrequenztechnik und EMV vertritt. Vorher war er acht Jahre in der Entwicklungsabteilung eines renommierten Messgeräteherstellers im Bereich Hochfrequenzmesstechnik tätig.


Book
Routing and Wavelength Assignment for WDM-based Optical Networks : Quality-of-Service and Fault Resilience
Authors: --- --- ---
Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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This book presents an in-depth treatment of routing and wavelength assignment for optical networks, and focuses specifically on quality-of-service and fault resiliency issues. It reports on novel approaches for the development of routing and wavelength assignment schemes for fault-resilient optical networks, which improve their performance in terms of signal quality, call blocking, congestion level and reliability, without a substantial increase in network setup cost. The book first presents a solution for reducing the effect of the wavelength continuity constraint during the routing and wavelength assignment phase. Further, it reports on an approach allowing the incorporation of a traffic grooming mechanism with routing and wavelength assignment to enhance the effective channel utilization of a given capacity optical network using fewer electrical-optical-electrical conversions. As a third step, it addresses a quality of service provision scheme for wavelength-division multiplexing (WDM)-based optical networks. Lastly, the book describes the inclusion of a tree-based fault resilience scheme in priority-based dispersion-reduced wavelength assignment schemes for the purpose of improving network reliability, while maintaining a better utilization of network resources. Mainly intended for graduate students and researchers, the book provides them with extensive information on both fundamental and advanced technologies for routing and wavelength assignment in optical networks. The topics covered will also be of interest to network planners and designers.


Book
Wellenausbreitung : Grundlagen – Modelle – Messtechnik – Verfahren
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ISBN: 3658152842 Year: 2017 Publisher: Wiesbaden : Springer Fachmedien Wiesbaden : Imprint: Springer Vieweg,

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Die Wellenausbreitung bestimmt maßgebend die Übertragungsverfahren in der Funkkommunikation und beeinflusst in vielen anderen HF-Anwendungen die Systemauslegung. Grundlegende Kenntnisse über das, was zwischen Sende- und Empfangsantenne geschieht, sind deshalb für eine plangemäße Funktion entscheidend. Ziel des Buches ist, dem Leser diese Kenntnisse zu vermitteln sowie ihn in die Lage zu versetzen, Probleme und Möglichkeiten in Zusammenhang mit der Wellenausbreitung zu verstehen und beurteilen zu können. Die zweite Auflage wurde sorgfältig überarbeitet und teilweise deutlich ergänzt. Weitere Beispiele zur Erläuterung der Theorie wurden eingefügt. Der Inhalt Reflexion, Transmission, Beugung und Streuung Troposphäre und Ionosphäre Mehrwegeausbreitung, Kanalmodellierung Messverfahren von Funkkanälen Peiltechnik incl. MUSIC und ESPRIT Mehrantennensysteme im Mobilfunk (MIMO) Räumliche Entzerrung (Zero-Forcing, Matched-Filter, MMSE) Die Zielgruppen Studierende der Nachrichten- und Hochfrequenztechnik Entwicklungsingenieure im Bereich der Funkkommunikation, Radar- und Antennentechnik Der Autor Prof. Dr.-Ing. Bernhard Rembold war Lehrstuhlinhaber und Leiter des Instituts für Hochfrequenztechnik an der RWTH Aachen. Davor war er bei AEG Telefunken und Nachfolgeorganisationen zunächst in der Vorentwicklung Millimeterwellentechnik und dann als Entwicklungsleiter in verschiedenen HF-Geschäftsfeldern (Hochleistungssender, Mobilfunk und Funkaufklärung) tätig. Er hat an der RWTH-Aachen und an der TU Darmstadt Nachrichten- und Hochfrequenztechnik studiert und bei Prof. Zinke promoviert.


Book
Die Maxwell'schen Gleichungen : Vom Strömungsfeld des Gleichstroms zum Strahlungsfeld des Hertz'schen Dipols
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ISBN: 3658166479 Year: 2017 Publisher: Wiesbaden : Springer Fachmedien Wiesbaden : Imprint: Springer Vieweg,

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Im Zentrum des Bandes steht die Herleitung der Maxwell'schen Gleichungen und deren Lösung. Die Stationen auf diesem Weg sind die Gesetze des Strömungsfeldes, der Elektrostatik und Magnetostatik. Der Band richtet sich an Studenten der Elektrotechnik und Informationstechnologie und an Studenten des Faches Physik mit dem Ziel, ihnen den Einstieg in die Vorlesung Elektromagnetische Feldtheorie zu erleichtern. Der Band baut auf den Kenntnissen auf, die in den Leistungskursen Physik und Mathematik der Gymnasien und Gesamtschulen vermittelt werden und ist zum Gebrauch neben den Vorlesungen gedacht. Besonderer Wert wird auf ausführliche Erklärungen in Textform in Verbindung mit vielen Abbildungen gelegt. Alle Formeln werden Schritt für Schritt hergeleitet. Der Inhalt Potential- und Strömungsfeld des Gleichstroms Potentialgleichungen Verschiebungsdichte Energiedichte Induktionsgesetz Durchflutungsgesetz Magnetisches Vektorpotential Gesetz von Biot-Savart Kontinuitätsgleichung Verschiebungsstrom Erste und zweite Maxwell'sche Gleichung Wellengleichungen Nah- und Fernfeld des Hertz'schen Dipols Feldstärkekomponenten im Zeitbereich – Feldlinien des Hertz'schen Dipols Antennenkennwerte Die Zielgruppen Studierende der Elektrotechnik und Informationstechnologie sowie Studenten der Fachrichtung Physik Der Autor Prof. Dipl.-Ing. Jürgen Donnevert hat auf den Gebieten Übertragungssysteme, Optische Nachrichtentechnik, Richtfunktechnik und Mobilkommunikation gelehrt.


Book
Fiber-Wireless Convergence in Next-Generation Communication Networks : Systems, Architectures, and Management
Authors: --- ---
Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

This book investigates new enabling technologies for Fi-Wi convergence. The editors discuss Fi-Wi technologies at the three major network levels involved in the path towards convergence: system level, network architecture level, and network management level. The main topics will be: a. At system level: Radio over Fiber (digitalized vs. analogic, standardization, E-band and beyond) and 5G wireless technologies; b. Network architecture level: NGPON, WDM-PON, BBU Hotelling, Cloud Radio Access Networks (C-RANs), HetNets. c. Network management level: SDN for convergence, Next-generation Point-of-Presence, Wi-Fi LTE Handover, Cooperative MultiPoint. • Addresses the Fi-Wi convergence issues at three different levels, namely at the system level, network architecture level, and network management level • Provides approaches in communication systems, network architecture, and management that are expected to steer the evolution towards fiber-wireless convergence • Contributions from leading experts in the field of Fiber-Wireless Convergence.


Book
RF and Microwave Microelectronics Packaging II
Authors: ---
Year: 2017 Publisher: Cham : Springer International Publishing : Imprint: Springer,

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Abstract

Reviews RF, microwave, and microelectronics assembly process, quality control, and failure analysis Bridges the gap between low cost commercial and hi-res RF/Microwave packaging technologies Engages in an in-depth discussion of challenges in packaging and assembly of advanced high-power amplifiers This book presents the latest developments in packaging for high-frequency electronics. It is a companion volume to “RF and Microwave Microelectronics Packaging” (2010) and covers the latest developments in thermal management, electrical/RF/thermal-mechanical designs and simulations, packaging and processing methods, and other RF and microwave packaging topics. Chapters provide detailed coverage of phased arrays, T/R modules, 3D transitions, high thermal conductivity materials, carbon nanotubes and graphene advanced materials, and chip size packaging for RF MEMS. It appeals to practicing engineers in the electronic packaging and high-frequency electronics domain, and to academic researchers interested in understanding the leading issues in the commercial sector. It is also a good reference and self-studying guide for students seeking future employment in consumer electronics.


Book
FDTD Modeling of EM Field inside Microwave Cavities
Authors: --- ---
Year: 2017 Publisher: Singapore : Springer Singapore : Imprint: Springer,

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Abstract

This book deals with the EM analysis of closed microwave cavities based on a three-dimensional FDTD method. The EM analysis is carried out for (i) rectangular microwave ovens and (ii) hybrid-cylindrical microwave autoclaves at 2.45 GHz. The field distribution is first estimated inside domestic rectangular ovens in xy-, yz-, and zx-plane. Further, the RF leakage from the oven door is determined to study the effect of leakage radiation on wireless communication at 2.45 GHz. Furthermore, the EM analysis of the autoclave is carried out based on 3D FDTD using staircase approximation. In order to show the capability of autoclaves (excited with five source) for curing the aerospace components and materials, the field distribution inside autoclave cavity is studied in presence of aerospace samples. The FDTD based modelling of oven and autoclave are explained with the appropriate expressions and illustrations.

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