Radio Resource Management in Cellular F/TDMA Smart Antenna Systems

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Publisher : Herbert Utz Verlag
ISBN 13 : 3831645418
Total Pages : 208 pages
Book Rating : 4.8/5 (316 download)

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Book Synopsis Radio Resource Management in Cellular F/TDMA Smart Antenna Systems by : Christian Hartmann

Download or read book Radio Resource Management in Cellular F/TDMA Smart Antenna Systems written by Christian Hartmann and published by Herbert Utz Verlag. This book was released on 2017-02-21 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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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Publisher : Herbert Utz Verlag
ISBN 13 : 3831645515
Total Pages : 164 pages
Book Rating : 4.8/5 (316 download)

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Book Synopsis Scattering in Non-Stationary Mobile-to-Mobile Communications Channels by : Michael Walter

Download or read book Scattering in Non-Stationary Mobile-to-Mobile Communications Channels written by Michael Walter and published by Herbert Utz Verlag. This book was released on 2016-03-24 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

GSM - Architecture, Protocols and Services

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Publisher : John Wiley & Sons
ISBN 13 : 9780470741726
Total Pages : 338 pages
Book Rating : 4.7/5 (417 download)

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Book Synopsis GSM - Architecture, Protocols and Services by : Jörg Eberspächer

Download or read book GSM - Architecture, Protocols and Services written by Jörg Eberspächer and published by John Wiley & Sons. This book was released on 2008-12-23 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: With around 3 billion subscribers, GSM is the world's most commonly used technology for wireless communication. Providing an overview of the innovations that have fuelled this phenomena, GSM: Architecture, Protocols and Services, Third Edition offers a clear introduction to the field of cellular systems. Special emphasis is placed on system architecture and protocol aspects, and topics range from addressing concepts through mobility management to network management. This third edition contains around 25% new and reworked material and has been thoroughly updated to encompass recent advances and future trends. It serves as both an introductory textbook for graduate students as well as a reference resource for telecommunications engineers and researchers. This edition: Presents capacity enhancement methods like sectorization, the application of adaptive antennas for Spatial Filtering for Interference Reduction (SFIR) and Space Division Multiple Access (SDMA) Provides a detailed introduction to GPRS, HSCSD, and EDGE for packet-switched services and higher data rates Features updated coverage on the vastly expanded range of GSM services, including an examination of Multimedia Messaging Service (MMS) Adopts a highly graphical approach with numerous illustrations

Mobile and Wireless Communications Networks

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Publisher : Springer
ISBN 13 : 0387231501
Total Pages : 510 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Mobile and Wireless Communications Networks by : Elizabeth M. Belding-Royer

Download or read book Mobile and Wireless Communications Networks written by Elizabeth M. Belding-Royer and published by Springer. This book was released on 2006-08-17 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mobile Ad hoc NETworks (MANETs) has attracted great research interest in recent years. A Mobile Ad Hoc Network is a self-organizing multi-hop wireless network where all hosts (often called nodes) participate in the routing and data forwarding process. The dependence on nodes to relay data packets for others makes mobile ad hoc networks extremely susceptible to various malicious and selfish behaviors. This point is largely overlooked during the early stage of MANET research. Many works simply assume nodes are inherently cooperative and benign. However, experiences from the wired world manifest that the reverse is usually true; and many works [3] [10] [9] [8] [12] [19] have pointed out that the impact of malicious and selfish users must be carefully investigated. The goal of this research is to address the cooperation problem and related security issues in wireless ad hoc networks. As a rule of thumb, it is more desirable to include security mechanisms in the design phase rather than continually patching the system for security breaches. As pointed out in [2] [1], there can be both selfish and malicious nodes in a mobile ad hoc network. Selfish nodes are most concerned about their energy consumption and intentionally drop packets to save power. The purpose of malicious nodes, on the other hand, is to attack the network using various intrusive techniques. In general, nodes in an ad hoc network can exhibit Byzantine behaviors.

Third-Generation Systems and Intelligent Wireless Networking

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Publisher : John Wiley & Sons
ISBN 13 : 9780470845196
Total Pages : 446 pages
Book Rating : 4.8/5 (451 download)

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Book Synopsis Third-Generation Systems and Intelligent Wireless Networking by : J. S. Blogh

Download or read book Third-Generation Systems and Intelligent Wireless Networking written by J. S. Blogh and published by John Wiley & Sons. This book was released on 2002-04-29 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Of Non-Wraparound Network Performance -- Wrap-around Network Performance Results -- Performance Results over a LOS Channel -- Performance Results over a Multipath Channel -- Performance over a Multipath Channel using Power Control -- Performance of an AQAM based Network using Power Control -- UTRA, Adaptive Arrays and Adaptive Modulation -- Direct Sequence Code Division Multiple Access -- UMTS Terrestrial Radio Access -- Spreading and Modulation -- Common Pilot Channel -- Power Control -- Uplink Power Control -- Downlink Power Control -- Soft Handover -- Signal-to-Interference plus Noise Ratio Calculations -- Downlink -- Uplink -- Multi-User Detection -- Simulation Results -- Simulation Parameters -- The Effect of Pilot Power on Soft Handover Results -- Fixed Received Pilot Power Thresholds without Shadowing -- Fixed Received Pilot Power Thresholds with 0.5 Hz Shadowing -- Fixed Received Pilot Power Thresholds with 1.0 Hz Shadowing -- Relative Received Pilot Power Thresholds without Shadowing -- Relative Received Pilot Power Thresholds with 0.5 Hz Shadowing -- Relative Received Pilot Power Thresholds with 1.0 Hz Shadowing -- E[subscript c]/I[subscript o] Power Based Soft Handover Results -- Fixed E[subscript c]/I[subscript o] Thresholds without Shadowing -- Fixed E[subscript c]/I[subscript o] Thresholds with 0.5 Hz Shadowing -- Fixed E[subscript c]/I[subscript o] Thresholds with 1.0 Hz Shadowing -- Relative E[subscript c]/I[subscript o] Thresholds without Shadowing.

Resource Allocation and MIMO for 4G and Beyond

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Publisher : Springer Science & Business Media
ISBN 13 : 1461480574
Total Pages : 557 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Resource Allocation and MIMO for 4G and Beyond by : Francisco Rodrigo Porto Cavalcanti

Download or read book Resource Allocation and MIMO for 4G and Beyond written by Francisco Rodrigo Porto Cavalcanti and published by Springer Science & Business Media. This book was released on 2013-10-23 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book will be a comprehensive collection of advanced concepts related to 4th generation wireless communication systems. It will be divided into two main parts: resource allocation and transceiver architectures. These two research areas are at the core of the recent advances experimented by wireless communication systems. Each chapter will cover a relevant, timely, topic with two focuses: a first part which is of tutorial and survey nature, reviews the state of the art in that topic, followed by a more deep treatment including current research topics, case studies and performance analysis.

Optimizing Wireless Communication Systems

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Publisher : Springer Science & Business Media
ISBN 13 : 1441901558
Total Pages : 542 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Optimizing Wireless Communication Systems by : Francisco Rodrigo Porto Cavalcanti

Download or read book Optimizing Wireless Communication Systems written by Francisco Rodrigo Porto Cavalcanti and published by Springer Science & Business Media. This book was released on 2009-07-31 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: In June 2000, GTEL (Wireless Telecommunications Research Group) at the F- eral University of Ceara ́ was founded by Professor Rodrigo Cavalcanti and his c- leagues with the mission of developing wireless communications technology and impact the development of the Brazilian telecommunications sector. From the start, this research effort has been supported by Ericsson Research providing a dynamic environment where academia and industry together can address timely and relevant research challenges. This book summarized much of the research output that has resulted from GTEL’s efforts. It provides a comprehensive treatment of the physical and multiple access layers in mobile communication systems describing different generations of systems but with a focus on 3G systems. The team of Professor C- alcanti has contributed scienti cally to the development of this eld and built up an impressive expertise. In the chapters that follow, they share their views and kno- edge on the underlying principles and technical trade-offs when designing the air interface of 3G systems. The complexity of 3G systems and the interaction between the physical and m- tiple access layers present a tremendous challenge when modeling, designing, and analyzing the mobile communication system. Herein, the authors tackle this pr- lem in an impressive manner. Their work is very much in line with the developments in 3GPP providing a deeper understanding of the evolution of 3G and also future enhancements.

Radio Resource Management for Wireless Networks

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Author :
Publisher : Artech House Publishers
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Radio Resource Management for Wireless Networks by : Jens Zander

Download or read book Radio Resource Management for Wireless Networks written by Jens Zander and published by Artech House Publishers. This book was released on 2001 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM contains: RUNE (Rudimentary Network Emulator) software

Smart Antennas for Wireless Communications

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Publisher : McGraw Hill Professional
ISBN 13 : 0071588957
Total Pages : 288 pages
Book Rating : 4.0/5 (715 download)

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Book Synopsis Smart Antennas for Wireless Communications by : Frank Gross

Download or read book Smart Antennas for Wireless Communications written by Frank Gross and published by McGraw Hill Professional. This book was released on 2005-10-05 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart antennas boost the power of a wireless network, saving energy and money and greatly increasing the range of wireless broadband. Smart Antennas is a rigorous textbook on smart antenna design and deployment.

Smart Antennas for 5G+

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Publisher : John Wiley & Sons
ISBN 13 : 1394210507
Total Pages : 326 pages
Book Rating : 4.3/5 (942 download)

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Book Synopsis Smart Antennas for 5G+ by : David A. Sánchez-Hernández

Download or read book Smart Antennas for 5G+ written by David A. Sánchez-Hernández and published by John Wiley & Sons. This book was released on 2024-11-27 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive reference text for the development of advanced antenna systems for 5G and beyond Smart Antennas for 5G+ addresses the transformation that simple, conventional antennas have gone through to fulfill the complex and challenging performance expectations of 5G wireless communications and beyond. It also describes the 5G physical layer including the gNodeB, basics of the propagation channel, and user equipment (UE) specific antenna aspects. The authors present various broadband antennas covering mmW bands for 5G+ and B5G applications, explore recent developments in array calibration and plane wave generators, and consider future challenges for 5G+ radio system testing. Novel key performance indicators in which not only conventional RF parameters, but also other parameters and overall radio performance, are examined. The huge shrinkage which was prioritized in 4G modules are now combined with extremely versatile and precise beamforming capacities, thermal mitigation, and link budget compensation design strategies that bring antennas into a new era. As such, antenna integration, flexible and 3D printed elements, the use of metamaterials, and advanced testing of new features are key elements of this book. Additional topics covered in Smart Antennas for 5G+ include: Beamforming, beam-steering, power control, cell breathing, and many other 5G concepts that make the evaluation of a 5G antenna structure a complex process Multi-probe anechoic chamber, reverberation chamber, and wireless cable solutions, RF testing of the 5G antenna systems, and small-cell repeaters for 5G/B5G beamforming Powering and sensing applications in 5G+ printed electronic steerable antenna arrays for reconfigurable intelligent surfaces that stem from metasurfaces 3GPP/ITU standards and models for 5G MIMO base station antennas, propagation channel modeling, and link budget considerations The connection between complex but realistically used designs and the way testing has evolved to determine the value of novel designs makes Smart Antennas for 5G+ a must-have resource for advanced engineers as well as newcomers in the field of 5G wireless communications.

The 13th IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications

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Publisher :
ISBN 13 :
Total Pages : 596 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis The 13th IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications by :

Download or read book The 13th IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications written by and published by . This book was released on 2002 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conference Proceedings

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Publisher :
ISBN 13 :
Total Pages : 754 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Conference Proceedings by :

Download or read book Conference Proceedings written by and published by . This book was released on 2004 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:

44th IEEE Vehicular Technology Conference

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Publisher :
ISBN 13 :
Total Pages : 754 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis 44th IEEE Vehicular Technology Conference by :

Download or read book 44th IEEE Vehicular Technology Conference written by and published by . This book was released on 1994 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mobile Communications

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Publisher : Springer
ISBN 13 :
Total Pages : 594 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Mobile Communications by : Christoph G. Günther

Download or read book Mobile Communications written by Christoph G. Günther and published by Springer. This book was released on 1994 with total page 594 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Global System for Mobile Communication met with wide acceptance in 1993. Its technical conception has significant advantages over the first generation of cellular systems. Digital European Cordless Telecommunications will provide similar advantages. In Europe, the second generation of wireless communication is established and a Universal Mobile Telecommunications System is currently being conceived. All this leads to a natural subdivision of current research into four categories: new and improved usage of existing standards, signal processing algorithms that are simpler or closer to the optimum, forther development of existing systems, and work that will ultimately lead to new system proposals. This volume presents the proceedings of a seminar at which all these categories were covered."--PUBLISHER'S WEBSITE.

Proceedings, RAWCON 98

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Publisher : Institute of Electrical & Electronics Engineers(IEEE)
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.X/5 (4 download)

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Book Synopsis Proceedings, RAWCON 98 by : IEEE Microwave Theory and Techniques Society

Download or read book Proceedings, RAWCON 98 written by IEEE Microwave Theory and Techniques Society and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1998 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: These papers from RAWCON '98 offer an interdisciplinary focus at the intersection between radio-frequency and communications engineering. Topics include: broadband wireless systems concepts; system architecture and networking; and system modelling and measurement.

Fundamentals of Wireless Communication

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Publisher : Cambridge University Press
ISBN 13 : 9780521845274
Total Pages : 598 pages
Book Rating : 4.8/5 (452 download)

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Book Synopsis Fundamentals of Wireless Communication by : David Tse

Download or read book Fundamentals of Wireless Communication written by David Tse and published by Cambridge University Press. This book was released on 2005-05-26 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook takes a unified view of the fundamentals of wireless communication and explains cutting-edge concepts in a simple and intuitive way. An abundant supply of exercises make it ideal for graduate courses in electrical and computer engineering and it will also be of great interest to practising engineers.

Proceedings & Exhibition--future Access

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Publisher :
ISBN 13 :
Total Pages : 564 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings & Exhibition--future Access by :

Download or read book Proceedings & Exhibition--future Access written by and published by . This book was released on 1997 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: