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Platform Interference In Wireless Systems

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Platform Interference in Wireless Systems

Platform Interference in Wireless Systems Book
Author : Kevin Slattery,Harry Skinner
Publisher : Newnes
Release : 2011-04-08
ISBN : 9780080558561
Language : En, Es, Fr & De

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Book Description :

Intra-system EMC problems are becoming increasingly common in mobile devices, ranging from notebook PCs to cell phones, with RF/wireless capbilities. These issues range from minor annoyances to serious glitches which impede the functioning of the device. This book gives a thourough review of electromagnetic theory (including Maxwell's equations), discusses possible sources and causes of intra-system interference, shows to use models and analysis to discover potential sources of intra-system EMC in a design, how to use appropriate tests and measurements to detect intra-system EMC problems, and finally extensively discusses measures to mitigate or totally eliminate intra-system EMC problems. With more and more mobile devices incorporating wirless capability (often with multiple wireless systems, such as Bluetooth and WiFi), this book should be part of the reference shelf of every RF/wireless engineer and mobile device designer. *Addresses a growing problem in RF/wireless devices----interference created inside the devices, which impair their operation *Covers devices, ranging from laptop PCs to mobile phones to Bluetooth headsets *Explains the sources of such intra-system interference, how to detect and measure such interference, design techniques for mitigating the interference, and proven techniques for eliminating the interference

Broadband Communications via High Altitude Platforms

Broadband Communications via High Altitude Platforms Book
Author : David Grace,Mihael Mohorcic
Publisher : John Wiley & Sons
Release : 2011-06-20
ISBN : 1119957559
Language : En, Es, Fr & De

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Book Description :

A unique book with systematic and thorough coverage of HAP related issues, problems and solutions. Handbook of Broadband Communications from High Altitude Platforms provides a thorough overview and state of the art of the HAP enabling technologies, as well as describing recent research activities with most promising results. It outlines the roadmap for future development of HAPs. Focuses on placing HAPs in the perspective of current and future broadband wireless communication systems, providing the readers with an overview of the constraints affecting HAP-based broadband communications Provides a thorough overview of HAP enabling technologies, describes recent research activities with most promising results, and outlines the roadmap for future development of HAPs Covers enabling technologies and economics of HAP-based communication system including issues related to aeronautics, energetics, operating scenarios, applications and business modeling Examines the operating environment, advanced communication techniques for efficient radio link resource management, and suitable antennas Addresses multiplatform constellations, presenting the multiple HAP constellation planning procedure and discussing the networking implications of using multiple HAPs

Cognitive Radio Software Defined Radio and Adaptive Wireless Systems

Cognitive Radio  Software Defined Radio  and Adaptive Wireless Systems Book
Author : Hüseyin Arslan
Publisher : Springer Science & Business Media
Release : 2007-08-17
ISBN : 1402055420
Language : En, Es, Fr & De

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Book Description :

Today’s wireless services have come a long way since the roll out of the conventional voice-centric cellular systems. The demand for wireless access in voice and high rate data multi-media applications has been increasing. New generation wireless communication systems are aimed at accommodating this demand through better resource management and improved transmission technologies. This book discusses the cognitive radio, software defined radio, and adaptive radio concepts from several perspectives.

Securing Emerging Wireless Systems

Securing Emerging Wireless Systems Book
Author : Yingying Chen,Wenyuan Xu,Wade Trappe,YanYong Zhang
Publisher : Springer Science & Business Media
Release : 2008-11-13
ISBN : 0387884912
Language : En, Es, Fr & De

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Book Description :

Securing Emerging Wireless Systems: Lower-layer Approaches aims to fill a growing need in the research community for a reference that describes the lower-layer approaches as a foundation towards secure and reliable wireless systems. Whereas most of the references typically address cryptographic attacks by using conventional "network security" approches for securing wireless systems, the proposed book will be differentiated from the rest of the market by its focus on non-cryptographic attacks that cannot easily be addressed by using traditional methods, and further by presenting a collection of defense mechanisms that operate at the lower-layers of the protocol stack and can defend wireless systems before the effects of attacks propagate up to higher-level applications and services. The book will focus on fundamental security problems that involve properties unique to wireless systems, such as the characteristics of radio propagation, or the location of communicating entities, or the properties of the medium access control layer. Specifically, the book provides detection mechanisms and highlights defense strategies that cope with threats to wireless localization infrastructure, attacks on wireless networks that exploit entity identity (i.e. spoofing attacks), jamming and radio interference that can undermine the availability of wireless communications, and privacy threats where an adversary seeks to infer spatial and temporal contextual information surrounding wireless communications. Additionally, the authors explore new paradigms of physical layer security for wireless systems, which can support authentication and confidentiality services by exploiting fading properties unique to wireless communications.

Cognitive Radio and Interference Management Technology and Strategy

Cognitive Radio and Interference Management  Technology and Strategy Book
Author : Ku, Meng-Lin
Publisher : IGI Global
Release : 2012-08-31
ISBN : 1466620064
Language : En, Es, Fr & De

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Book Description :

Broadcast spectrum is scarce, both in terms of our ability to access existing spectrum and as a result of access rules created by governments. An emerging paradigm called cognitive radio, however, has the potential to allow different systems to dynamically access and opportunistically exploit the same frequency band in an efficient way, thereby allowing broadcasters to use spectrum more efficiently. Cognitive Radio and Interference Management: Technology and Strategy brings together state-of-the-art research results on cognitive radio and interference management from both theoretical and practical perspectives. It serves as a bridge between people who are working to develop theoretical and practical research in cognitive radio and interference management, and therefore facilitate the future development of cognitive radio and its applications.

High Altitude Platforms for Wireless Communications

High Altitude Platforms for Wireless Communications Book
Author : Alejandro Aragón-Zavala,José Luis Cuevas-Ruíz,José Antonio Delgado-Penín
Publisher : John Wiley & Sons
Release : 2008-09-15
ISBN : 0470997427
Language : En, Es, Fr & De

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Book Description :

Provides an introduction to High-Altitude Platform Stations (HAPS) technology and its applications for wireless communications High-altitude platform stations offer a promising new technology that combines the benefits of terrestrial and satellite communication systems for delivering broadband communications to users at a low cost. They are easily deployable and easy to maintain, which is why they offer a good alternative for network operators who need to find ways to get more coverage to satisfy the increasing demand for more capacity. HAPS are usually balloons, airships or unmanned aerial systems (UAS) located in the stratosphere. An enormous interest has grown worldwide to examine their use not only for broadband communications, but also for emergency services, navigation, traffic monitoring, cellular, etc. Key features include: Unique book focusing on emerging HAPS technology and its applications Provides a thorough overview of the technology including HAPS-based communications systems, antennas for HAPS, radio propagation and channel modelling issues and HAPS networking aspects Presents various HAPS-related projects and initiatives developed throughout the world (North America, Europe and Asia-Pacific) Features a comprehensive overview on both aeronautical and telecommunications regulatory aspects, which will affect the deployment and future developments in the field of HAPS High-Altitude Platform Systems for Wireless Communications will prove essential reading for postgraduate students in the field of HAPS, engineers, developers and designers involved in the design and maintenance of HAPS, aerospace engineers, and communications system planners and researchers.

Coping with Interference in Wireless Networks

Coping with Interference in Wireless Networks Book
Author : Seyed Javad Kazemitabar
Publisher : Springer Science & Business Media
Release : 2010-11-22
ISBN : 9789048199907
Language : En, Es, Fr & De

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Book Description :

Unlike wired networks where transmitters have no effect on receivers other than their own, in wireless networks we are limited by interference. The traditional routing methods are not optimal any more when it comes to a wireless medium. The maximum data rate on each link depends not only on the power in that link but also on the transmitted power from adjacent links. That is why the problem of power optimal routing needs to be solved jointly with scheduling. This suggests a cross layer design method as opposed to traditional networking where the algorithm for each layer is designed separately. In Coping with Interference in Wireless Networks we introduce several methods engaging different layers of network to mitigate interference in a wireless network.

Cognitive Wireless Networks

Cognitive Wireless Networks Book
Author : Frank H. P. Fitzek,Marcos D. Katz
Publisher : Springer Science & Business Media
Release : 2007-09-04
ISBN : 1402059795
Language : En, Es, Fr & De

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Book Description :

This book advocates the idea of breaking up the cellular communication architecture by introducing cooperative strategies among wireless devices through cognitive wireless networking. It details the cooperative and cognitive aspects for future wireless communication networks. Coverage includes social and biological inspired behavior applied to wireless networks, peer-to-peer networking, cooperative networks, and spectrum sensing and management.

Millimeter Wave Communication Systems

Millimeter Wave Communication Systems Book
Author : Kao-Cheng Huang,Zhaocheng Wang
Publisher : John Wiley & Sons
Release : 2011-04-20
ISBN : 1118102754
Language : En, Es, Fr & De

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Book Description :

The aim of this book is to present the modern design and analysis principles of millimeter-wave communication system for wireless devices and to give postgraduates and system professionals the design insights and challenges when integrating millimeter wave personal communication system. Millimeter wave communication system are going to play key roles in modern gigabit wireless communication area as millimeter-wave industrial standards from IEEE, European Computer Manufacturing Association (ECMA) and Wireless High Definition (Wireless HD) Group, are on their way to the market. The book will review up-to-date research results and utilize numerous design and analysis for the whole system covering from Millimeter wave frontend to digital signal processing in order to address major topics in a high speed wireless system. This book emphasizes the importance and the requirements of high-gain antennas, low power transceiver, adaptive equalizer/modulation, channeling coding and adaptive multi-user detection for gigabit wireless communications. In addition, the book will include the updated research literature and patents in the topics of transceivers, antennas, MIMO, channel capacity, coding, equalizer, Modem and multi-user detection. Finally the application of these antennas will be discussed in light of different forthcoming wireless standards at V-band and E-band.

Wireless Networks

Wireless Networks Book
Author : Clint Smith,Daniel Collins
Publisher : McGraw Hill Professional
Release : 2013-10-28
ISBN : 0071819886
Language : En, Es, Fr & De

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Book Description :

Design Next-Generation Wireless Networks Using the Latest Technologies Fully updated throughout to address current and emerging technologies, standards, and protocols, Wireless Networks, Third Edition, explains wireless system design, high-speed voice and data transmission, internetworking protocols, and 4G convergence. New chapters cover LTE, WiMAX, WiFi, and backhaul. You'll learn how to successfully integrate LTE, WiMAX, UMTS, HSPA, CDMA2000/EVDO, and TD-SCDMA into existing cellular/PCS networks. Configure, manage, and optimize high-performance wireless networks with help from this thoroughly revised, practical guide. Comprehensive coverage includes: Overview of 3G wireless systems UMTS (WCDMA) and HSPA CDMA2000 and EVDO TD-SCDMA and TD-CDMA LTE WiMAX VoIP WiFi Broadband system RF design considerations Network design considerations Backhaul Antenna system selection, including MIMO System design for UMTS, CDMA2000 with EVDO, TD-SCDMA, TD-CDMA, LTE, and WiMAX Communication sites including in-building and colocation guidelines 5G and beyond

Wireless Sensor Networks

Wireless Sensor Networks Book
Author : Jorge Sá Silva,Bhaskar Krishnamachari,Fernando Boavida
Publisher : Springer Science & Business Media
Release : 2010-03-02
ISBN : 3642119166
Language : En, Es, Fr & De

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Book Description :

This book constitutes the refereed proceedings of the 7th European Conference on Wireless Sensor Networks, EWSN 2010, held in Coimbra, Portugal, in Februar 2010. The 21 revised full papers presented were carefully reviewed and selected from 109 submissions. Topics of interest include hardware design and implementation, operating systems and software, middleware and macroprogramming, communication and network protocols, information and signal processing, fundamental theoretical limits and algorithms, prototypes, field experiments, testbeds, novel applications, including urban sensing, security and fault-tolerance. The papers are organized in topical sections on localization, synchronization and compression, networking, new directions, programming and architecture, as well as on link reliability.

Communications Signal Processing and Systems

Communications  Signal Processing  and Systems Book
Author : Qilian Liang,Xin Liu,Zhenyu Na,Wei Wang,Jiasong Mu,Baoju Zhang
Publisher : Springer
Release : 2019-05-04
ISBN : 9811362645
Language : En, Es, Fr & De

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Book Description :

This book brings together papers from the 2018 International Conference on Communications, Signal Processing, and Systems, which was held in Dalian, China on July 14–16, 2018. Presenting the latest developments and discussing the interactions and links between these multidisciplinary fields, the book spans topics ranging from communications, signal processing and systems. It is aimed at undergraduate and graduate electrical engineering, computer science and mathematics students, researchers and engineers from academia and industry as well as government employees.

Wireless Communications Fundamental Advanced Concepts

Wireless Communications Fundamental   Advanced Concepts Book
Author : Sanjay Kumar
Publisher : River Publishers
Release : 2015-03-31
ISBN : 8793102801
Language : En, Es, Fr & De

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Book Description :

Wireless communication is one of the fastest growing fields in the engineering world today. Rapid growth in the domain of wireless communication systems, services and application has drastically changed the way we live, work and communicate. Wireless communication offers a broad and dynamic technological field, which has stimulated incredible excitements and technological advancements over last few decades. The expectations from wireless communication technology are increasing every day. This is placing enormous challenges to wireless system designers. Moreover, this has created an ever increasing demand for conceptually strong and well versed communication engineers who understand the wireless technology and its future possibilities. In recent years, significant progress in wireless communication system design has taken place, which will continue in future. Especially for last two decades, the research contributions in wireless communication system design have resulted in several new concepts and inventions at remarkable speed. A text book is indeed required to offer familiarity with such developments and underlying concepts, to be taught in the classroom to future engineers. This is one of the motivations for writing this book. Practically no book can be up to date in this field, due to the fast ongoing research and developments. The new developments are announced almost every day. Teaching directly from the research papers in the classroom cannot build the necessary foundation. Therefore need for a textbook is unavoidable, which is integral to learning, and is an essential source to build the concept. The prime goal of this book is to cooperate in the learning process. This book is based on current research as well as classical text books in the field, and aims to provide in depth understanding on fundamental concepts, which form the basis of wireless communication and build the platform, on which current developments can be understood and future contributions can be made. This book is written in self-explanatory manner to facilitate critical thinking and to support self study. Special emphasis has been given in this book to systematically organize and present the wide domain of wireless communication technology. Extra care has been taken to present the contents and the concepts in user friendly way to enable an easy understanding. Therefore the language of this book is made to make one feel, listening to a classroom lecture. This makes learning straight forward. Sometimes, the explanation could seem to be oversimplified, this is in order to support wide spectrum of readers as well as to clarify the hazy picture. A book of this kind, which addresses a fast developing technology, the frequent use of acronyms and abbreviations is almost inevitable. A care has been taken to spell the acronyms and abbreviations as frequently as practically suitable in the text. Besides, a list of acronyms and abbreviations has also been provided.

Wireless Communications Networking and Applications

Wireless Communications  Networking and Applications Book
Author : Qing-An Zeng
Publisher : Springer
Release : 2015-10-28
ISBN : 8132225805
Language : En, Es, Fr & De

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Book Description :

This book is based on a series of conferences on Wireless Communications, Networking and Applications that have been held on December 27-28, 2014 in Shenzhen, China. The meetings themselves were a response to technological developments in the areas of wireless communications, networking and applications and facilitate researchers, engineers and students to share the latest research results and the advanced research methods of the field. The broad variety of disciplines involved in this research and the differences in approaching the basic problems are probably typical of a developing field of interdisciplinary research. However, some main areas of research and development in the emerging areas of wireless communication technology can now be identified. The contributions to this book are mainly selected from the papers of the conference on wireless communications, networking and applications and reflect the main areas of interest: Section 1 - Emerging Topics in Wireless and Mobile Computing and Communications; Section 2 - Internet of Things and Long Term Evolution Engineering; Section 3 - Resource Allocation and Interference Management; Section 4 - Communication Architecture, Algorithms, Modeling and Evaluation; Section 5 - Security, Privacy, and Trust; and Section 6 - Routing, Position Management and Network Topologies.

Autonomic Communication

Autonomic Communication Book
Author : Ioannis Stavrakakis,Michael Smirnov
Publisher : Springer
Release : 2006-02-27
ISBN : 3540329935
Language : En, Es, Fr & De

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Book Description :

This book constitutes the thoroughly refereed post-proceedings of the Second International IFIP Workshop on Autonomic Communication, WAC 2005, held in Athens, Greece in October 2005. The 22 revised full papers presented together with one keynote paper, three invited papers and two panel summaries were carefully selected during two rounds of reviewing and improvement from numerous submissions. The papers discuss the principles of Autonomic Communication (AC).

Intersystem EMC Analysis Interference and Solutions

Intersystem EMC Analysis  Interference  and Solutions Book
Author : Uri Vered
Publisher : Artech House
Release : 2018-05-31
ISBN : 1630815632
Language : En, Es, Fr & De

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Book Description :

This comprehensive new resource provides methods and tools for defining EMC requirements and techniques for performing predictions and calculations to achieve electromagnetic compatibility. This book demonstrates how radar, communications, and navigation systems can function without interference. EMC requirements for the device, platform, site, and arena level are discussed and EMC detection analysis is utilized to predict EMC problems. The book explores the interference between receiving and transmitting electronic systems and examines intersystem and intrasystem EMC. Techniques and mathematical framework for performing EMC prediction and calculations to solve electromagnetic compatibility problems are highlighted. Moreover, this book presents classic methods and several original EMC calculation procedures including new approaches in mathematical development of interference probability calculations. Readers learn how to anticipate problems and then define EMC solutions.

Heterogeneous Wireless and Visible Light Communication for the Internet of Things

Heterogeneous Wireless and Visible Light Communication for the Internet of Things Book
Author : Shengrong Yin
Publisher :
Release : 2018
ISBN :
Language : En, Es, Fr & De

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Book Description :

Connecting sensor, control, and edge devices to the Internet in a reliable and robust way is critical to the success of many big data and IoT applications. Wireless technologies enable such connectivity but have come under increasing challenge due to the proliferation of devices and increase in data requirements. Devices with wireless connectivity compete with each other in the limited spectrum resources, causing spectrum crunch and interference, which signi cantly hampers the IoT vision. In this dissertation, we study how serious the problem of interference is in wireless networks for IoT, and then propose two solutions to solve this problem. Our goal is to connect IoT devices to the Internet with reliability, robustness, and adaptiveness using edge computing algorithms and methodologies in a practical manner. One solution is to leverage the wireless interference across various IoT devices. We transformed the interference into a communication channel between these devices and evaluated its feasibility in practical environments. The communication channel was established based on the spectrum sharing by various wireless devices that are using different wireless technologies, such as WiFi, Zigbee, or Bluetooth. In this work, we have achieved one-way communication from WiFi devices to Zigbee devices. We have demonstrated the feasibility to send control signals utilizing the interference. This validates that interference utilization can be a practical solution to solve the spectrum-crunch problem. The other solution is to avoid interference by exploring new spectrum resources that can provide wireless connectivity. We adopt visible light as the communication medium since it is ubiquitous and free from wireless interference. Existing embedded LED-to-LED communication is considered a promising technique for IoT connectivity. However, low-cost embedded visible light communication (VLC) has been largely restricted by its reliability, robustness, and speed. In this work, we propose adaptive ambient light cancellation to improve the robustness of embedded VLC, we also design, implement, and open-source a novel embedded VLC platform with a 6-7x performance gain compared to state-of-the-art.