Design Evaluation And Implementation Of A Multi Carrier Transmission System For Aeronautical Communications
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Design Evaluation And Implementation Of A Multi Carrier Transmission System For Aeronautical Communications
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Author : Erik Haas
language : en
Publisher: Herbert Utz Verlag
Release Date : 2003
Design Evaluation And Implementation Of A Multi Carrier Transmission System For Aeronautical Communications written by Erik Haas and has been published by Herbert Utz Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Ifdma For Uplink Mobile Radio Communication Systems
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Author : Alexander Arkhipov
language : en
Publisher: Herbert Utz Verlag
Release Date : 2010
Ifdma For Uplink Mobile Radio Communication Systems written by Alexander Arkhipov and has been published by Herbert Utz Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Radio Resource Management In Cellular F Tdma Smart Antenna Systems
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Author : Christian Hartmann
language : en
Publisher: Herbert Utz Verlag
Release Date : 2017-02-21
Radio Resource Management In Cellular F Tdma Smart Antenna Systems written by Christian Hartmann and has been published by Herbert Utz Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-02-21 with categories.
Zur Kapazitätserhöhung in zellularen Mobilfunksystemen eignet sich der Einsatz adaptiver Antennen an der Basisstation. Diese ermöglichen die räumliche Wiederverwendung von Kanälen innerhalb einer Zelle mittels Space Division Multiple Access (SDMA). Die Kapazitätsgewinne, die mit SDMA zu erzielen sind, hängen jedoch stark von den verwendeten Verfahren des Ressourcen Managements (RM) ab. Hierzu wurden neuartige RM-Verfahren für SDMA-Systeme entwickelt, welche die räumliche Kanalwiederverwendung innerhalb der Zelle mit verschiedenen Prinzipien der interzellularen Kanalvergabe (statische und dynamische) kombinieren. Zudem wurden die entwickelten Verfahren erweitert, um auch in hierarchisch strukturierten zellularen Netzen eingesetzt werden zu können. In ausführlichen Systemsimulationen konnte gezeigt werden, dass die neuen RM-Verfahren eine Vervielfachung der Systemkapazität mit Hilfe von SDMA ermöglichen. Zusätzlich werden analytische Modelle entwickelt und ausgewertet, die den Gewinn von Verfahren vorhersagen, welche die durch die Verwendung adaptiver Antennen reduzierte Inter-Zell-Interferenz ausnutzen (Spatial Filtering for Interference Reduction-SFIR), dies wird sowohl für F/TDMA basierte Systeme als auch für CDMA Systeme analysiert.
Scattering In Non Stationary Mobile To Mobile Communications Channels
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Author : Michael Walter
language : en
Publisher: Herbert Utz Verlag
Release Date : 2016-03-24
Scattering In Non Stationary Mobile To Mobile Communications Channels written by Michael Walter and has been published by Herbert Utz Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-24 with categories.
The aim of this thesis is to introduce a non-stationary model for the scattering in mobile-to-mobile channels. Due to the evolution of wireless technology, fixed-to-mobile communications systems are nowadays complemented by mobile-to-mobile communications systems. In the vehicular sector, mobile-to-mobile communications systems are used to enable intelligent transportation systems. Such systems aim to make transportation safer and more efficient by distributing sensor information among the cars. In the aeronautical sector, mobile-to-mobile communications systems will be used, for example, to exchange position, altitude, speed, and heading data between aircraft during flight thus allowing for a reduced separation between them. Hence, these systems are necessary to further increase the air traffic density.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1994
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Aeronautics categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1992
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Nasa Sp 7500
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1982
Nasa Sp 7500 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
Documentation Abstracts
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Author :
language : en
Publisher:
Release Date : 1987
Documentation Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Documentation categories.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1988
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Power resources categories.
Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen
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Author :
language : de
Publisher:
Release Date : 2003
Deutsche Nationalbibliographie Und Bibliographie Der Im Ausland Erschienenen Deutschsprachigen Ver Ffentlichungen written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with German imprints categories.