WAP (wireless) technology Books

243 products


  • Cooperative Wireless Communications

    Taylor & Francis Ltd Cooperative Wireless Communications

    Out of stock

    Book SynopsisCooperative devices and mechanisms are increasingly important to enhance the performance of wireless communications and networks, with their ability to decrease power consumption and packet loss rate and increase system capacity, computation, and network resilience. Considering the wide range of applications, strategies, and benefits associated with cooperative wireless communications, researchers and product developers need a succinct understanding of relevant theory, fundamentals, and techniques to navigate this challenging field. Cooperative Wireless Communications provides just that.Assesses Applications, Benefits, and Methods of Cooperative Strategies This comprehensive reference handbook contains useful background to develop and implement cooperative mechanisms for infrastructure-based wireless systems and self-organizing multi-hop wireless networks (e.g., ad hoc, mesh, peer-to-peer, and Table of ContentsPART I Fundamentals Capacity of Cooperative Channels: Three Terminal Case Study. Capacity Limits in Cooperative Cellular Systems. Low-Complexity Strategies for Cooperative Communications. Orthogonal Opportunistic Relaying for CooperativeWireless Communications. Cross-Layer Design for CooperativeWireless Communication. Power Allocation in CooperativeWireless Networks. Joint Power Allocation and Partner Selection in CD Systems. Topology Control in CooperativeWireless Ad Hoc Networks. Game Theory and Cooperation Analysis. Cooperative Cognitive Radio. PART II Techniques Cooperative Diversity of Generalized Distributed Antenna Systems. Cooperative ARQ Protocols. Impact of Cooperative Transmission on Network Routing. Cooperative Relaying in Multihop Cellular Networks. Cooperative Radio Resource Management for Heterogeneous Networks. Cooperative Caching in Wireless Multimedia Sensor Networks. Cooperative Security in Peer-to-Peer and Mobile Ad Hoc Networks. Application Cooperation in Wireless Mesh Networks. Cooperation and Interference in Wireless Mesh Networks. Cooperation in Wireless Sensor and Actor Networks. Self-Healing Wireless Sensor Networks. Index.

    Out of stock

    £114.00

  • CRC Handbook of Modern Telecommunications

    Taylor & Francis Inc CRC Handbook of Modern Telecommunications

    Out of stock

    Book SynopsisAddressing the most dynamic areas of the ever-changing telecommunications landscape, the second edition of the bestselling CRC Handbook of Modern Telecommunications once again brings together the top minds and industry pioneers in wireless communication networks, protocols, and devices. In addition to new discussions of radio frequency identification (RFID) and wireless sensor networks, including cognitive radio networks, this important reference systematically addresses network management and administration, as well as network organization and governance, topics that have evolved since the development of the first edition. Extensively updated and expanded, this second edition provides new information on: Wireless sensor networks RFID Architectures Intelligent Support Systems Service delivery integration with the Internet Information life cycle and service level management Management ofTable of ContentsVoice and Data Communications. Computer Telephone Integrated (CTI). Voice over IP. Local Area Networks. RFID Architecture and Protocols. Design of Wireless Sensor Network Applications, Hardware and Software. Multimedia Applications for Cognitive Radio Networks. Intranets. Internet and Intranet Management Concepts, Virtual Private Networking Solutions. Web-Enabled Data Warehousing. Web Performance Management.Application Performance Management. Electronic Technologies. Internet Protocols, Role of Open Source Software. Summary and Trends. Network Management and Administration. Management Concepts, Management of Emerging Technologies. Management-Related Standards. Management Function, Support Systems for Service Providers. Support Processes for Service Providers. Management Frameworks and Applications. Intelligence Support Systems. Management of Sensor Networks. Solution Architectures. Summary and Trends. Network Organization and Governance. Information Life Cycle Management. Information Technology Alignment with Businesses. Business Intelligence and Analytics. Service-Level Management. Management Services and Outsourcing. Network Management Organization. Best Practices Benchmarks for Service Providers. Summary and Trends. Future Telecommunications Services. User Needs. Application Trends. Systems and Service Integration for Management. New Produce and Service Creation. Telecommunications Tariffing. Telecommunications Strategies.

    Out of stock

    £180.50

  • Brief Notes in Advanced DSP

    Taylor & Francis Inc Brief Notes in Advanced DSP

    1 in stock

    Book SynopsisBased on the authors' research in Fourier analysis, Brief Notes in Advanced DSP: Fourier Analysis with MATLAB addresses many concepts and applications of digital signal processing (DSP). The included MATLAB codes illustrate how to apply the ideas in practice.The book begins with the basic concept of the discrete Fourier transformation and its properties. It then describes lifting schemes, integer transformations, the discrete cosine transform, and the paired transform method for calculating the discrete Hadamard transform. The text also examines the decomposition of the 1D signal by so-called section basis signals as well as new forms of 2D signal/image representation and decomposition by direction signals/images. Focusing on Fourier transform wavelets and GivensHaar transforms, the last chapter discusses the problem of signal multiresolution.This book presents numerous interesting problems and concepts of unitary trTable of ContentsDiscrete Fourier Transform. Integer Fourier Transform. Cosine Transform. Hadamard Transform. Paired Transform-Based Decomposition. Fourier Transform and Multiresolution. References. Index.

    1 in stock

    £128.25

  • Automotive Antenna Design and Applications

    Taylor & Francis Inc Automotive Antenna Design and Applications

    1 in stock

    Book SynopsisThe steady evolution of wireless communication technologies continues to pave the way for the implementation of innovative services and devices in modern vehicles. These include analog and digital audio broadcasting radio, satellite radio, GPS, cell phones, and short range communication devices. Such applications require the use multiple antennas operating in different frequency ranges.Automotive Antenna Design and Applications thoroughly examines traditional and new advanced automotive antennas, including the principles, designs, and techniques used to reduce antenna dimensions without significant degradation of communication quality. The contents of this book are based on cutting-edge data collected from numerous technical papers, patents, and patent applications. It presents an overview of many commercially available automotive antennas and covers features that have become standard in automotive applications, such as printed-on car glass antennasTable of ContentsAutomotive Antennas Overview: Patents, Papers, and Products. Basic Antenna Parameters and Definitions. Active and Diversity Receiving Antenna Systems. Audio Broadcasting Antennas. Cellular Antennas. TV Antennas for Cars. Satellite Radio Antennas. GPS Antennas. Antennas for Short Range Communication.

    1 in stock

    £147.25

  • Transmission Techniques for Emergent Multicast

    Taylor & Francis Inc Transmission Techniques for Emergent Multicast

    1 in stock

    Book SynopsisDescribing efficient transmission schemes for broadband wireless systems, Transmission Techniques for Emergent Multicast and Broadcast Systems examines advances in transmission techniques and receiver designs capable of supporting the emergent wireless needs for multimedia broadcast and multicast service (MBMS) requirements. It summarizes the research and development taking place in wireless communications for multimedia MBMS and addresses the means to improved spectral efficiency to allow for increased user bit rate, as well as increased capacity of the digital cellular radio network.The text highlights essential requirements for new services, providing a clear understanding of the corresponding fundamentals and theory needed to fulfill such requirements. Although the schemes and transmission and detection techniques presented are applicable to a wide range of digital communication systems, including wireless, cellular, and satellite, the text maintTable of ContentsIntroduction. Transmission Techniques for Broadband Systems. Channel Estimation. Hierarchical Constellations. Multi-Antenna Systems. Multiresolution Techniques for MBMS. Appendix: WCDMA Channel Model. Channel Characterization. Channel Model Construction. References. Index.

    1 in stock

    £114.00

  • Emerging Wireless Networks

    Taylor & Francis Inc Emerging Wireless Networks

    Out of stock

    Book SynopsisAn authoritative collection of research papers and surveys, Emerging Wireless Networks: Concepts, Techniques, and Applications explores recent developments in next-generation wireless networks (NGWNs) and mobile broadband networks technologies, including 4G (LTE, WiMAX), 3G (UMTS, HSPA), WiFi, mobile ad hoc networks, mesh networks, and wireless sensor networks. Focusing on improving the performance of wireless networks and provisioning better quality of service and quality of experience for users, it reports on the standards of different emerging wireless networks, applications, and service frameworks.The book begins by appraising the management challenges in emerging wireless networks. It examines the state-of-the-art in mobility management for IP-based mobile networks, at both the network and link layers. Proposing an integrated network architecture design for NGWNsincluding wireless local, metropolitan, and wide area networksit analyzes WLAN/3GTable of ContentsMOBILITY MANAGEMENT AND NETWORKS CONVERGENCE. Management Challenges for Emerging Wireless Networks. Mobility Management for All-IP Mobile Networks. Integrated Network Architecture Design for Next-Generation Wireless Systems. WLAN/3G Convergence and Advanced Mobility Features. CROSS-LAYER DESIGN AND SESSION CONTINUITY. Mobile VPNs Architectures: Challenges and Issues. Cross-Layer Handover for Mobile WiMAX Networks. Service Continuity Support in Self-Organizing IMS Networks. Vehicular Communication Networks – Challenges, Solutions and Services. RESOURCE MANAGEMENT AND COGNITIVE NETWORKS. Network Coding Approach to Improve TCP Throughput in Wireless Networks. Network Selection and Spectrum Sharing for Cognitive Radio Systems. Network Selection and Congestion Avoidance Control. Efficient Spectrum Band Packing for Hosting Multiple Wireless Systems.

    Out of stock

    £180.50

  • WideBand SlowWave Systems

    Taylor & Francis Inc WideBand SlowWave Systems

    1 in stock

    Book SynopsisThe field of electromagnetics has seen considerable advances in recent years, based on the wide applications of numerical methods for investigating electromagnetic fields, microwaves, and other devices. Wide-Band Slow-Wave Systems: Simulation and Applications presents new technical solutions and research results for the analysis, synthesis, and design of slow-wave structures for modern electronic devices with super-wide pass-bands. It makes available, for the first time in English, significant research from the past 20 years that was previously published only in Russian and Lithuanian. The authors examine electrodynamics, multiconductor lines, and numerical methods for the modeling, simulation, analysis, and design of various super-wide-band slow-wave structures, including helical, meander, and gutter-type systems. The book features: The electrodynamic method for analysis of helical structures containing periodical inhomogeneities ThTrade Review"... valuable information for scientists, engineers and students related to investigation, design and applications of the wide-band slow-wave structures ... based on the valuable experience of known experts in the field of the wide-band electrodynamic systems"—Jonas Stankunas, Director of Antanas Gustaitis' Aviation Institute of Vilnius Gediminas Technical University Table of ContentsIntroduction. Analysis of Nonhomogeneous Helical Systems Using Electrodynamical Methods. Multiconductor Line Method. Calculation of Characteristic Impedances of Multiconductor Lines. Models and Properties of Slow-Wave Systems. Investigation of Slow-Wave Systems Applying Versatile Electromagnetic Simulation and Design Tools. Investigation of Slow-Wave Structures Using Synergy of Various Methods. Application of Slow-Wave Structures for Deflection of Electron Beams. Application of Slow-Wave Systems for Delay. Computer-Aided Design of Electrodynamical Delay Lines. Index.

    1 in stock

    £237.50

  • Window Functions and Their Applications in Signal

    Taylor & Francis Inc Window Functions and Their Applications in Signal

    1 in stock

    Book SynopsisWindow functionsotherwise known as weighting functions, tapering functions, or apodization functionsare mathematical functions that are zero-valued outside the chosen interval. They are well established as a vital part of digital signal processing. Window Functions and their Applications in Signal Processing presents an exhaustive and detailed account of window functions and their applications in signal processing, focusing on the areas of digital spectral analysis, design of FIR filters, pulse compression radar, and speech signal processing.Comprehensively reviewing previous research and recent developments, this book: Provides suggestions on how to choose a window function for particular applications Discusses Fourier analysis techniques and pitfalls in the computation of the DFT Introduces window functions in the continuous-time and discrete-time domains Considers two implementation strategies of window functions in the time- anTrade Review"I think this book gives an excellent overview of window functions and their applications in a variety of DSP applications. It describes a huge amount of different windows and it describes the properties of these windows. It also describes the use of windows in a large number of applications. It helps the reader by choosing a proper window for a particular application. As far as I know it is the first general book about this important subject."—Ad van den Enden, DSP Consultancy "An excellent text that covers all aspect of window functions. A must for anyone with interest in utilising windows for signal processing."—Palaniappan Ramaswamy, University of Wolverhampton "A book dedicated to window functions was indeed missing. Congratulations on filling the void."—Professor Nadav Levanon, Department of Electrical Engineering Systems, Tel Aviv University, Israel "I think this book gives an excellent overview of window functions and their applications in a variety of DSP applications. It describes a huge amount of different windows and it describes the properties of these windows. It also describes the use of windows in a large number of applications. It helps the reader by choosing a proper window for a particular application. As far as I know it is the first general book about this important subject."—Ad van den Enden, DSP Consultancy"An excellent text that covers all aspect of window functions. A must for anyone with interest in utilising windows for signal processing."—Palaniappan Ramaswamy, University of Wolverhampton "A book dedicated to window functions was indeed missing. Congratulations on filling the void."—Professor Nadav Levanon, Department of Electrical Engineering Systems, Tel Aviv University, Israel Table of ContentsFourier Analysis Techniques for Signal Processing. Pitfalls in the Computation of DFT. Review of Window Functions. Performance Comparison of Data Windows. Discrete-Time Windows and Their Figures of Merit. Time-and Frequency-Domain Implementations of Windows. FIR Filter Design Using Windows. Application of Windows in Spectral Analysis. Applications of Windows. Index.

    1 in stock

    £180.50

  • Building Sensor Networks

    Taylor & Francis Inc Building Sensor Networks

    Out of stock

    Book SynopsisFor all the interest that wireless sensor networks have created over the past decade, there are few examples to show that they are truly delivering on this promise and anticipation. What is missing? Deviating from the usual focus on routing and energy efficiency, Building Sensor Networks: From Design to Applications attempts to stitch together the path from conceptual development of applications, on one end, to actual complete applications at the other. With this change in perspective, the book examines important facets of wireless sensor networks (WSNs) that are not often discussed in the literature.From Design Practices to the Networking Protocols that Glue Applications TogetherOrganized into three sections, the book presents insights from international experts representing both industry and academia. The first section, on design practices, explores alternative ways to approach the tasks of developing a suitable WSN solutionTable of ContentsIntroduction. Design Practices: Dynamic Profiling and Optimization Methodologies for Sensor Networks. Stochastic Inference in Wireless Sensor Networks. Implementation of Wireless Sensor Network Systems with PN-WSNA Approaches. Real-Time Search in the Sensor Internet. Networking Protocols: Traffic Management in Wireless Sensor Networks. Decision-Tree Construction for Event Classification in Distributed Wearable Computers. A Network Structure for Delay-Aware Applications in Wireless Sensor Networks. Distributed Modulation Classification in the Context of Wireless Sensor Networks. Application Experiences: Challenges in Wireless Chemical Sensor Networks. Low-Power, Extensive Sensor Networks from the Wired Perspective. Maritime Data Management and Analytics: A Survey of Solutions Based on Automatic Identification System. Above and Below the Ocean Surface: A WSN Framework for Monitoring the Great Barrier Reef. Index.

    Out of stock

    £185.25

  • Opportunistic Networking

    Taylor & Francis Inc Opportunistic Networking

    1 in stock

    Book SynopsisOpportunistic networking, by definition, allows devices to communicate whenever a window of opportunity is available. Many emerging technologies employ opportunistic exchanges of information. This book addresses this trend in communications engineering, taking into account three specific areasvehicular, device-to-device (D2D), and cognitive radiowhile describing the opportunistic communication methods of each. From smart homes to smart cities, smart agriculture to never-die-networks and beyond, the text explores the state of the art of opportunistic networking, providing the latest research, developments, and practices in one concise source.Table of ContentsIntroduction. Opportunistic Networking and Applications. Mobile Ad hoc Networks: Rapidly Deployable Emergency Communications. Opportunistic Vehicular Communications. Routing Protocols in Opportunistic Networks. Smart Environments: Exploiting Passive RFID Technology for Indoor Localization. Smart Homes: Practical Guidelines. Smart Agriculture based on Wireless Sensor Networks. Cognitive Radio Networks. Never Die Network: A Perspective of Opportunistic Networks.

    1 in stock

    £94.50

  • Multimedia over Cognitive Radio Networks

    Taylor & Francis Inc Multimedia over Cognitive Radio Networks

    1 in stock

    Book SynopsisWith nearly 7 billion mobile phone subscriptions worldwide, mobility and computing have become pervasive in our society and business. Moreover, new mobile multimedia communication services are challenging telecommunication operators. To support the significant increase in multimedia trafficespecially videoover wireless networks, new technological infrastructure must be created. Cognitive Radio Networks (CRNs) are widely regarded as one of the most promising technologies for future wireless communications. This book explains how to efficiently deliver video, audio, and other data over CRNs.Covering advanced algorithms, protocols, and hardware-/software-based experiments, this book describes how to encode video in a prioritized way to send to dynamic radio links. It discusses different FEC codes for video reliability and explains how different machine learning algorithms can be used for video quality control. It also explains how to use readily available software tools to buildTable of ContentsNetwork Architecture to Support Multimedia over CRN. Advanced Network Protocols for Multiimedia over CRN. Artificial Intelligence for Multimedia over CRN. Other Important Designs.

    1 in stock

    £117.00

  • Analytical Evaluation of Nonlinear Distortion

    Taylor & Francis Inc Analytical Evaluation of Nonlinear Distortion

    Out of stock

    Book SynopsisDue to their ability to support reliable high quality of service as well as spectral and power efficiency, multicarrier modulation systems have found increasing use in modern communications services. However, one of the main drawbacks of these systems is their vulnerability to nonlinear distortion effects. Analytical Evaluation of Nonlinear Distortion Effects on Multicarrier Signals details a unified approach to well-known analytical results on memoryless nonlinearities that takes advantage of the Gaussian behavior of multicarrier signals.Sharing new insights into the behavior of nonlinearly distorted multicarrier signals, the book begins with a review of the fundamental principles of multicarrier transmission and multicarrier-based systems. Next, it covers well-known results on nonlinear distortion of Gaussian signals and examines the accuracy of the use of Gaussian approximation for evaluating nonlinear effects. It also considers the performance of various muTable of ContentsIntroduction. Multicarrier Transmission. Nonlinear Distortion of Gaussian Signals. Accuracy of the Gaussian Approximation for the Evaluation of Nonlinear Effects. Nonlinear Effects in Specific Multicarrier Systems. Output Autocorrelation for Polar Memoryless Nonlinearities with Gaussian Inputs. Analytical Results for Specific Nonlinearities. Exact Characterization of a Polar Memoryless Nonlinearity with Characteristic g(R) = R5. Approximated Symbol Error Rate for Cross QAM Constellations.

    Out of stock

    £85.49

  • Advances in Visual Data Compression and

    Apple Academic Press Inc. Advances in Visual Data Compression and

    1 in stock

    Book SynopsisVisual information is one of the richest and most bandwidth-consuming modes of communication. To meet the requirements of emerging applications, powerful data compression and transmission techniques are required to achieve highly efficient communication, even in the presence of growing communication channels that offer increased bandwidth.Presenting the results of the author's years of research on visual data compression and transmission, Advances in Visual Data Compression and Communication: Meeting the Requirements of New Applications provides a theoretical and technical basis for advanced research on visual data compression and communication.The book studies the drifting problem in scalable video coding, analyzes the reasons causing the problem, and proposes various solutions to the problem. It explores the author's Barbell-based lifting coding scheme that has been adopted as common software by MPEG. It also proposes a unified framework forTable of ContentsBasis for Compression and Communication. Information Theory. Hybrid Video Coding. Communication. Scalable Video Coding. Progressive Fine Granularity Scalable (PFGS) Coding. Motion Threading for 3D Wavelet Coding. Barbell-Lifting Based 3D Wavelet Coding. Directional Transforms. DirectionalWavelet Transform. Directional DCT Transform. Directional Filtering Transform. VISION-BASED COMPRESSION. Edge-Based Inpainting. Cloud-Based Image Compression. Compression for Cloud Photo Storage. Compressive Communication. Compressive Data Gathering. Compressive Modulation. Joint Source and Channel Coding. DCast: Distributed Video Multicast. Denoising in Communication. MIMO Broadcasting with Receiver Antenna Heterogeneity. Future Work. Computational Information Theory.

    1 in stock

    £114.00

  • Cognitive Networks

    Taylor & Francis Inc Cognitive Networks

    1 in stock

    Book SynopsisA cognitive network makes use of the information gathered from the network in order to sense the environment, plan actions according to the input, and make appropriate decisions using a reasoning engine. The ability of cognitive networks to learn from the past and use that knowledge to improve future decisions makes them a key area of interest for anyone whose work involves wireless networks and communications.Cognitive Networks: Applications and Deployments examines recent developments in cognitive networks from the perspective of cutting-edge applications and deployments. Presenting the contributions of internationally renowned experts, it supplies complete and balanced treatment of the fundamentals of both cognitive radio communications and cognitive networksâtogether with implementation details.The book includes case studies and detailed descriptions of cognitive radio platforms and testbeds that demonstrate how to build real-world cognitive radiTable of ContentsIntroduction. Spectrum Sensing. Network Coding and Design. Routing. Dynamic Radio Spectrum Access. Vehicular Cognitive Networks and Applications.

    1 in stock

    £133.00

  • Radio Wave Propagation and Channel Modeling for

    Taylor & Francis Inc Radio Wave Propagation and Channel Modeling for

    1 in stock

    Book SynopsisThe accurate design of earthspace systems requires a comprehensive understanding of the various propagation media and phenomena that differ depending on frequencies and types of applications. The choice of the relevant channel models is crucial in the design process and constitutes a key step in performance evaluation and testing of earthspace systems. The subject of this book is built around the two characteristic cases of satellite systems: fixed satellites and mobile satellite systems.Radio Wave Propagation and Channel Modeling for EarthSpace Systems discusses the state of the art in channel modeling and characterization of next-generation fixed multiple-antennas and mobile satellite systems, as well as propagation phenomena and fade mitigation techniques. The frequencies of interest range from 100 MHz to 100 GHz (from VHF to W band), whereas the use of optical free-space communications is envisaged.Examining recent research advances in space-timeTable of ContentsNext-Generation MIMO Satellite Systems: From Channel Modeling to System Performance Evaluation. Propagation Phenomena and Modeling for Fixed Satellite Systems: Evaluation of Fade Mitigation Techniques. Mobile Satellite Channel Characterization. Land Mobile Satellite Channel Models. Propagation Effects on Satellite Navigation Systems. Tropospheric Attenuation Synthesizers. Review of Space–Time Tropospheric Propagation Models. Impact of Clouds from Ka Band to Optical Frequencies. Aeronautical Communications Channel Characteristics and Modeling: From Legacy toward Future Satellite Systems. Stratospheric Channel Models. Index.

    1 in stock

    £117.00

  • EventBased Control and Signal Processing

    Taylor & Francis Inc EventBased Control and Signal Processing

    1 in stock

    Book SynopsisEvent-based systems are a class of reactive systems deployed in a wide spectrum of engineering disciplines including control, communication, signal processing, and electronic instrumentation. Activities in event-based systems are triggered in response to events usually representing a significant change of the state of controlled or monitored physical variables. Event-based systems adopt a model of calls for resources only if it is necessary, and therefore, they are characterized by efficient utilization of communication bandwidth, computation capability, and energy budget. Currently, the economical use of constrained technical resources is a critical issue in various application domains because many systems become increasingly networked, wireless, and spatially distributed.Event-Based Control and Signal Processing examines the event-based paradigm in control, communication, and signal processing, with a focus on implementation in networked sensor and control Trade Review"This book is a good example of a publication that is written to help the curious reader learn fundamental and advanced material on the topics of event-based control and signal processing. It contains several views on these subjects, explained in focused chapters that use a clear language and that keep mathematical explanations at a reasonable level of complexity. Overall, [this book provides] a very good starting point for learning event-based control and signal processing."—Paolo Carbone, University of Perugia, Italy"This book is a good example of a publication that is written to help the curious reader learn fundamental and advanced material on the topics of event-based control and signal processing. It contains several views on these subjects, explained in focused chapters that use a clear language and that keep mathematical explanations at a reasonable level of complexity. Overall, [this book provides] a very good starting point for learning event-based control and signal processing."—Paolo Carbone, University of Perugia, ItalyTable of ContentsEvent-Based Control: Introduction and Survey. Event-Driven Control and Optimization in Hybrid Systems. Reducing Communication by Event-Triggered Sampling. Event-Triggered versus Time-Triggered Real-Time Systems: A Comparative Study. Distributed Event-Based State-Feedback Control. Periodic Event-Triggered Control. Decentralized Event-Triggered Controller Implementations. Event-Based Generalized Predictive Control. Model-Based Event-Triggered Control of Networked Systems. Self-Triggered and Team-Triggered Control of Networked Cyber-Physical Systems. Efficiently Attentive Event-Triggered Systems. Event-Based PID Control. Time-Periodic State Estimation with Event-Based Measurement Updates. Intermittent Control in Man and Machine. Event-Based Data Acquisition and Digital Signal Processing in Continuous Time. Event-Based Data Acquisition and Reconstruction—Mathematical Background. Spectral Analysis of Continuous-Time ADC and DSP. Concepts for Hardware-Efficient Implementation of Continuous-Time Digital Signal Processing. Asynchronous Processing of Nonstationary Signals. Event-Based Statistical Signal Processing. Spike Event Coding Scheme. Digital Filtering with Nonuniformly Sampled Data: From the Algorithm to the Implementation. Reconstruction of Varying Bandwidth Signals from Event-Triggered Samples.

    1 in stock

    £199.50

  • Advances in CommunicationsBased Train Control

    Taylor & Francis Inc Advances in CommunicationsBased Train Control

    Out of stock

    Book SynopsisWith rapid population explosion, improving rail transit speed and capacity is strongly desirable around the world. Communication-based train control (CBTC) is an automated train control system using high capacity bidirectional trainground communications to ensure the safe operation of rail vehicles. This book presents the latest advances in CBTC research. The contributed chapters from leading experts in the field cover different aspects of modelling, analysis, design, testing, management, deployment, and optimization of CBTC systems.Advances in Communications-Based Train Control Systems begins with the background and evolution of train signaling/train control systems. It introduces the main features and architecture of CBTC systems and describes current challenges and successful implementations around the world. Subsequent contributed chapters discuss such key research areas as Nondestructive testing techniques that can be employed to inspect rails and faTable of ContentsIntroduction to Communications-Based Train Control. Testing Communications-Based Train Control. Safe Rail Transport via Nondestructive Testing Inspection of Rails and Communications-Based Train Control Systems. Modelling the Wireless Channels in Underground Tunnels for Communications-Based Train Control Systems. Modelling the Wireless Channels with Leaky Waveguide for Communications-Based Train Control Systems. Communication Availability in Communications-Based Train Control Systems. A Novel Communications-Based Train Control System with Coordinated Multipoint Transmission and Reception. A Novel Handoff Scheme with Multiple-Input and Multiple-Output for Communications-Based Train Control Systems. Networked Control for a Group of Trains in Communications-Based Train Control Systems with Random Packet Drops. Cognitive Control for Communications-Based Train Control Systems.

    Out of stock

    £161.50

  • Building Android Apps in Python Using Kivy with

    APress Building Android Apps in Python Using Kivy with

    1 in stock

    Book Synopsis Start building Python-based Android applications using Kivy with Android Studio. Through in-depth examples, this book teaches you everything you need to create your first Android application in Python and publish on Google Play. Building Android Apps in Python Using Kivy with Android Studio takes you through the basics of Kivy by discussing its application structure, widgets, and event handling. The KV language is then introduced for separating the logic and GUI by adding widgets within a KV file. You will then learn how to utilize Android camera using Kivy, build the HTTP server using Flask, and create and manage multiple screens to help you design your own applications. Through detailed step-by-step instructions, you will create your first multi-level cross-platform game that includes animation and sound effects. Following this, the process of converting the Kivy application into an Android application using Buildozer and Python-4-Android is covered iTable of Contents

    1 in stock

    £49.49

  • Third Generation Internet Revealed

    APress Third Generation Internet Revealed

    2 in stock

    Book SynopsisThis book covers the inexorable exhaustion of the IPv4 address space, the interim fix to this based on Network Address Translation (NAT) and Private Addresses, and the differences between IPv4 and IPv6. It will help you understand the limitations and problems introduced by the use of NAT and introduce you to the far simpler network and software designs possible, using a larger, unified address space.IPv6, a mature and viable replacement for IPv4, is currently used by more than 36% of all global Internet traffic. Wireless telephone service providers in many countries have migrated their networks to IPv6 with great success. The elimination of NAT and Private Addresses has vastly simplified network design and implementation. Further, there are now enough public addresses allocated to accommodate all anticipated uses for the foreseeable future.Most networking products and software, especially open-source software, are already fully IPv6 compliant. Today, no business shTable of Contents1. Introduction 2. History of Computer Networks up to IPv4 3. Review of IPv4 4. The Depletion of the IPv4 Address Space 5. IPv6 Deployment Progress 6. IPv6 Core Protocols 7. IPSec and IKEv2 8. Transition Mechanisms 9. IPv6 on Mobile Devices 10. DNS 11. The Future of Messaging with No NAT 12. IPv6 Related Organizations 13. IPv6 Projects

    2 in stock

    £40.49

  • Managing the PSTN Transformation

    Taylor & Francis Inc Managing the PSTN Transformation

    1 in stock

    Book SynopsisWhile there are many scholarly books and papers that cover the technical issues behind the public switched telephone network (PSTN) migration, few books describe exactly how to manage the migration process economically. Filling this need, Managing the PSTN Transformation: A Blueprint for a Successful Migration to IP-Based Networks reflects the latest understanding of the challenges behind migrating customers from the old PSTN network to an IP infrastructure. The IP transformation blueprint described in this book is not a theoretical cookbook that describes how this could work. Instead, the book presents a blueprint that is the product of countless hours of work by hundreds of individuals at Deutsche Telekom (DT) over almost two years. The book presents insights gained as the DT team migrated the entire public switched telephone network in Macedonia to an Internet protocol-based platform. It illustrates the various types of challenges the team faced iTable of ContentsOverarching Topics. Migration Plan. Product Portfolio Roadmap. NT/ IT Roadmap. Business Case Framework. Go to Market

    1 in stock

    £59.84

  • Wireless Network Performance Enhancement via

    Taylor & Francis Inc Wireless Network Performance Enhancement via

    1 in stock

    Book SynopsisDirectional antenna technologies have made significant advancements in the last decade. These advances have opened the door to many exciting new design opportunities for wireless networks to enhance quality of service (QoS), performance, and network capacity. In this book, experts from around the world present the latest research and development in wireless networks with directional antennas. Their contributed chapters provide detailed coverage of the models, algorithms, protocols, and applications of wireless networks with various types of directional antennas operating at different frequency bands.Wireless Network Performance Enhancement via Directional Antennas: Models, Protocols, and Systems identifies several interesting research problems in this important field, providing an opportunity to learn about solid solutions to these issues. It also looks at a number of practical hardware designs for the deployment of next-generation antennas, as well as efficient networTable of ContentsDirectional Antennas. Introduction: Switched/Steered Directional Antennas for Networking. Design and Optimization of Wideband Log-Periodic Dipole Arrays under Requirements for High Gain, High Front-to-Back Ratio, Optimal Gain Flatness, and Low Side Lobe Level: The Application of Invasive Weed Optimization. Directional MAC. Discovery Strategies for a Directional Wake-Up Radio in Mobile Networks. Medium Access Control for Wireless Networks with Directional Antennas. IEEE 802.11ad Wireless Local Area Network and Its MAC Performance. Millimeter Wave. MAC Layer Protocols for Wireless Networks with Directional Antennas. Millimeter-Wave Wireless Networks: A Medium Access Control Perspective. Directional MAC Protocols for 60 GHz Millimeter Wave WLANs. Performance Improvements of mm-Wave Wireless Personal Area Networks Using Beamforming and Beamswitching. Applications of Directional Networking in Military Systems. MIMO. Design and Implementation of Directional Antenna-Based LOS-MIMO System for Gbps Wireless Backhaul. MIMO and Cooperation in Cognitive Radio-Based Wireless Networks: State-of-the-Art and Perspectives. Advanced Topics. Directional Antennas and Beamforming for Cognitive Radio-Based Wireless Networks. Multicast Algorithm Design for Energy-Constrained Multihop Wireless Networks with Directional Antennas. Connectivity of Large-Scale Wireless Networks with Directional Antennas. Bounds on the Lifetime of Wireless Sensor Networks with Lossy Links and Directional Antennas. Applications. Utilization of Directional Antennas in Flying Ad Hoc Networks: Challenges and Design Guidelines. Military Networks Enabled by Directional Antennas. Military Applications of Directional Mesh Networking. Collaborative and Opportunistic Content Dissemination via Directional Antennas. The Evolution of Directional Networking Systems Architecture.

    1 in stock

    £99.75

  • Nonlinear Digital Filtering with Python

    Taylor & Francis Inc Nonlinear Digital Filtering with Python

    1 in stock

    Book SynopsisNonlinear Digital Filtering with Python: An Introduction discusses important structural filter classes including the median filter and a number of its extensions (e.g., weighted and recursive median filters), and Volterra filters based on polynomial nonlinearities. Adopting both structural and behavioral approaches in characterizing and designing nonlinear digital filters, this book: Begins with an expedient introduction to programming in the free, open-source computing environment of Python Uses results from algebra and the theory of functional equations to construct and characterize behaviorally defined nonlinear filter classes Analyzes the impact of a range of useful interconnection strategies on filter behavior, providing Python implementations of the presented filters and interconnection strategies Proposes practical, bottom-up strategies for designing more complex and capable filters from simpler components in a way that preserves the Trade Review"The authors bring the reader from the consolidated world of linear filters into the variegate universe of nonlinear filters, and show how the main subclasses of digital nonlinear filters can be described on the basis of their structural and/or behavioral characteristics. This approach is complemented by the use of a free, open-source computing environment—Python—for the implementation of the nonlinear digital filters presented in each chapter."—Giovanni L. Sicuranza, University of Trieste, Italy Table of ContentsIntroduction. Python. Linear and Volterra Filters. Median Filters and Some Extensions. Forms of Nonlinear Behavior. Composite Structures: Bottom-Up Design. Recursive Structures and Stability.

    1 in stock

    £99.75

  • Electromagnetic Boundary Problems

    Taylor & Francis Inc Electromagnetic Boundary Problems

    Out of stock

    Book SynopsisElectromagnetic Boundary Problems introduces the formulation and solution of Maxwell's equations describing electromagnetism. Based on a one-semester graduate-level course taught by the authors, the text covers material parameters, equivalence principles, field and source (stream) potentials, and uniqueness, as well as: Provides analytical solutions of waves in regions with planar, cylindrical, spherical, and wedge boundaries Explores the formulation of integral equations and their analytical solutions in some simple cases Discusses approximation techniques for problems without exact analytical solutions Presents a general proof that no classical electromagnetic field can travel faster than the speed of light Features end-of-chapter problems that increase comprehension of key concepts and fuel additional research Electromagnetic Boundary Problems uses generalized functions consistently to treat problems that would Trade Review"… a unique title by two authors whose in-depth knowledge of this material and ability to present it to others are hardly matched. While the book provides distinguishing coverage and presentation of many topics, some discussions cannot be found elsewhere. I highly recommend this outstanding piece, bringing great value as both a textbook and reference text."—Branislav M. Notaros, Colorado State University, Fort Collins, USA"… useful for students, researchers, engineers, and teachers of electromagnetics. Today, in many universities, this discipline is taught by teachers who do not have much research experience in electromagnetism. That is why this textbook, written by world-known specialists and showing how electromagnetics courses should be built and taught, is very important. The authors have made clearer several aspects of electromagnetism which are poorly highlighted in earlier-published literature."—Guennadi Kouzaev, Norwegian University of Science and Technology, Trondheim"Graduate students and learners of electromagnetics of any age and status: If you have not had a chance to attend graduate-level courses taught by great professors like Edward F. Kuester and David C. Chang, here comes opportunity knocking on your door. Electromagnetic Boundary Problems is borne out of course notes prepared, used, corrected, and perfected by the authors over the years at the University of Colorado, Boulder. This is a book of gems." —IEEE Antennas and Propagation, October 2016Table of ContentsMaxwell's Equations and Sources. Potential Representations of the Electromagnetic Field. Fundamental Properties of the Electromagnetic Field. Radiation by Simple Sources and Structures. Scattering by Simple Structures. Propagation and Scattering in More Complex Regions. Integral Equations in Scattering Problems. Approximation Methods. Appendices.

    Out of stock

    £182.12

  • Handbook on Session Initiation Protocol

    Taylor & Francis Inc Handbook on Session Initiation Protocol

    1 in stock

    Book SynopsisSession Initiation Protocol (SIP), standardized by the Internet Engineering Task Force (IETF), has emulated the simplicity of the protocol architecture of hypertext transfer protocol (HTTP) and is being popularized for VoIP over the Internet because of the ease with which it can be meshed with web services. However, it is difficult to know exactly how many requests for comments (RFCs) have been published over the last two decades in regards to SIP or how those RFCs are interrelated.Handbook on Session Initiation Protocol: Networked Multimedia Communications for IP Telephony solves that problem. It is the first book to put together all SIP-related RFCs, with their mandatory and optional texts, in a chronological and systematic way so that it can be used as a single super-SIP RFC with an almost one-to-one integrity from beginning to end, allowing you to see the big picture of SIP for the basic SIP functionalities. It is a book that network designers, software developers,Table of ContentsNetworked Multimedia Services. Basic Session Initiation Protocol. SIP Message Elements. Addressing in SIP. SIP Event Framework and Packages. Presence and Instant Messaging in SIP. Media Transport Protocol and Media Negotiation. DNS and ENUM in SIP. Routing in SIP. User and Network-Asserted Identity in SIP. Early Media in SIP. Service and Served-User Identity in SIP. Connections Management and Overload Control in SIP. Interworking Services in SIP. Resource Priority and Quality of Service in SIP. Call Services in SIP. Media Server Interfaces in SIP. Multiparty Conferencing in SIP. Security Mechanisms in SIP. Privacy and Anonymity in SIP. Appendices.

    1 in stock

    £225.00

  • Introduction to Radio Engineering

    Taylor & Francis Inc Introduction to Radio Engineering

    Out of stock

    Book SynopsisThe book introduces the basic foundations of high mathematics and vector algebra. Then, it explains the basic aspects of classical electrodynamics and electromagnetism. Based on such knowledge readers investigate various radio propagation problems related to guiding structures connecting electronic devices with antenna terminals placed at the different radar systems. It explains the role of antennas in process of transmission of radio signals between the terminals. Finally, it shows the relation between the main operational charactistics of each kind of radar and the corresponding knowledge obtained from the previous chapters.Table of ContentsMathematical Foundations for Radio Engineering: Basic Definitions, Operations, and Differential Vectors. Differential Operators in Classical Electrodynamics. Introduction in Classical Electrodynamnics: Electromagnetic Waves. Electromagnetic Waves Propagation in Various Media. Reflection and Refraction of Electromagnwetic Waves. Guiding Structures and Guiding Waves: Types of Guiding Structures and Types of Guiding Waves. Transmission Lines. Coaxial Cables. Waveguides. Antennas Fundamentals: Basic Characteristics and Types of Antennas. Radar Fundamentals: Radars. MM-Wave Radars. Guided GPRs Based on Leaky Coaxial Cables. Ground Penetrating Radars and Remote Sensing Systems.

    Out of stock

    £112.50

  • Convex Optimization for Signal Processing and

    Taylor & Francis Inc Convex Optimization for Signal Processing and

    1 in stock

    Book SynopsisConvex Optimization for Signal Processing and Communications: From Fundamentals to Applications provides fundamental background knowledge of convex optimization, while striking a balance between mathematical theory and applications in signal processing and communications. In addition to comprehensive proofs and perspective interpretations for core convex optimization theory, this book also provides many insightful figures, remarks, illustrative examples, and guided journeys from theory to cutting-edge research explorations, for efficient and in-depth learning, especially for engineering students and professionals. With the powerful convex optimization theory and tools, this book provides you with a new degree of freedom and the capability of solving challenging real-world scientific and engineering problems.Table of Contents Preface Chapter 1: Mathematical Background Chapter 2: Convex Sets Chapter 3: Convex Functions Chapter 4: Convex Optimization Problems Chapter 5: Geometric Programming Chapter 6: Linear Programming and Quadratic Programming Chapter 7: Second-order Cone Programming Chapter 8: Semidefinite Programming Chapter 9: Duality Chapter 10: Interior-point Methods Appendix: Convex Optimization Solvers

    1 in stock

    £117.00

  • The Future X Network

    Taylor & Francis Inc The Future X Network

    1 in stock

    Book SynopsisWe are at the dawn of an era in networking that has the potential to define a new phase of human existence. This era will be shaped by the digitization and connection of everything and everyone with the goal of automating much of life, effectively creating time by maximizing the efficiency of everything we do and augmenting our intelligence with knowledge that expedites and optimizes decision-making and everyday routines and processes.The Future X Network: A Bell Labs Perspective outlines how Bell Labs sees this future unfolding and the key technological breakthroughs needed at both the architectural and systems levels. Each chapter of the book is dedicated to a major area of change and the network and systems innovation required to realize the technological revolution that will be the essential product of this new digital future.Table of ContentsThe Future X Network. The Future of the Enterprise. The Future of Security. The Future of Wide Area Networks. The Future of Cloud. The Future of Wireless Access. The Future of Broadband Access. The Future of the Enterprise LAN. The Future of Communications. The Future of Information. The Future of the Internet of Things. The Future of the Home. The Future of Network Operations. The Future of Network Energy.

    1 in stock

    £52.24

  • New Directions in Wireless Communications Systems

    Taylor & Francis Inc New Directions in Wireless Communications Systems

    Out of stock

    Book SynopsisBeyond 2020, wireless communication systems will have to support more than 1,000 times the traffic volume of today''s systems. This extremely high traffic load is a major issue faced by 5G designers and researchers. This challenge will be met by a combination of parallel techniques that will use more spectrum more flexibly, realize higher spectral efficiency, and densify cells. Novel techniques and paradigms must be developed to meet these goals. The book addresses diverse key-point issues of next-generation wireless communications systems and identifies promising solutions. The book''s core is concentrated to techniques and methods belonging to what is generally called radio access network.Table of ContentsMeasurements and Modelling. RF Channel Modelling for 5G Systems. MM-Wave Channels for 5G Systems. Basics on the Theory of Fading Channels and Diversity. Multicarrier Techniques for 5G Systems. Receiver Architectures for Fading Channels. MIMO Techniques for 5G Systems. RF Planning for Next Generation Systems. Low-complexity Downlink Multi-user Precoding Combined with Beam Selection. Management of Resources in Virtual Radio Networks. Relays and Cooperative Techniques for 5G Systems. Radio Resources Management Optimization in Cognitive Radio Networks. Non-Ionizing Radiation for 5G Systems. Emerging Technologies for Mobile Health.

    Out of stock

    £126.00

  • Advanced Security Issues of IoT Based 5G Plus

    Nova Science Publishers Inc Advanced Security Issues of IoT Based 5G Plus

    1 in stock

    Book SynopsisAdvanced IoT based wireless communication has recently received a lot of attention due to a wide range of industry 4.0 applications such as security solutions of CPS in vehicular communication, E_Healthcare over secure wireless communication, privacy issues of E_Learning via cost and energy efficient wireless network communication, etc. In these applications, physical data is continuously monitored by the IoT-based sensor nodes to facilitate the current situations, 5G network management, security solutions, etc. in industry 4.0 environment. Despite the many security issues considered in existing wireless communication in the industry 4.0 applications, IoT based 5G and 5G+ wireless communication will enhance the future security issues including cybersecurity solutions. The aim of this book to deliver the best services with minimum cost and maximum security in all industry 4.0 applications. For instance, medical priority services against the available sources and devices (IoT, sensors, decision-making units, etc.), patient monitoring services against the waiting list and the population, and security services of CPS against the energy efficiency and the battery lifetime are challenging critical problems in the industry 4.0. This book covers some improvement methods in security influence to future communication they are cybersecurity issues of IoT based 5G and 5G+ communication systems. These methods can be considered through the efficient channel coding scheme, efficient traffic management, bandwidth guard, cybersecurity solutions, etc. Requirements for future communication such 5G+ support to illustrate the security issues in selected applications of industry 4.0 such as learning style transformation. Sensors are typically capable of wireless communication and are significantly utilized in many applications such as medical communication with IoT-based 5G infrastructure. Despite many security solutions of communication technologies, decision making, dynamic and intelligent solutions based on sensors, IoT devices, CPS, etc. will be minimizing energy costs and maximizing security issues of industry 4.0. The field of advanced IoT-based 5G+ wireless communication networks merge a lot of functions like secure transmission capacities with latest multiple access schemes, computation of best latency and energy efficiency, and secure communication with location-based services, etc. This book covers many functionalities through the important examples and applications used in industry 4.0.Table of ContentsFor more information, please visit our website at:https://novapublishers.com/shop/advanced-security-issues-of-iot-based-5g-plus-wireless-communication-for-industry-4-0/

    1 in stock

    £113.59

  • Wireless Systems & Mobile Computing

    Nova Science Publishers Inc Wireless Systems & Mobile Computing

    Out of stock

    Book SynopsisSix chapters address the aspects of wireless systems that support mobile computing. Topics include: the protocols for service discovery in dynamic and mobile networks, delay techniques for reducing PCS signalling traffic, two-tier gateways, Markov modulated poison process model, fuzzy bandwidth allocation controllers, and fuzzy connection admission control. Diagrams and charts are featured. Contributors are computer scientists and engineers from Florida, China, and Taiwan.

    Out of stock

    £69.74

  • RF Power Amplifiers for Wireless Communications

    Artech House Publishers RF Power Amplifiers for Wireless Communications

    15 in stock

    Book SynopsisReviewing the previous edition, "IEEE Microwave Magazine" boasted, "anyone designing power amplifiers will find this book thought provoking and useful." Professionals in the field agreed as the book went on to be one of our top-selling RF design titles. This extensively revised edition of "RF Power Amplifiers for Wireless Communications" offers practitioners a comprehensive, practical, and up-to-date understanding of how to tackle a PA (power amplifier) design with confidence and quickly determine the cause of malfunctioning hardware. Among the numerous updates, the Second Edition includes five new chapters on some of today's most important topics, such as class AB PAs at GHz frequencies; switching PA modes at GHz frequencies; signals, modulation systems, and PA nonlinearities; power amplifier bias circuit design; and load-pull techniques. Supported with nearly 200 illustrations, the book contains the most complete survey of RF PA efficiency enhancement and linearization techniques in a single volume.Table of ContentsLinear PA Design. Conventional High-Efficiency Amplifier Modes. Class AB PAs at GHz Frequencies. Practical Design of Class AB PAs. Overdrive and the Class F Mode. Switching Mode Amplifiers for RF Applications. Switching PA Modes at GHz Frequencies. Signals, Modulation Systems, and PA Nonlinearities. Efficiency Enhancement Techniques. Power Amplifier Bias Circuit Design. Power Amplifier Architecture. PA Linearization Techniques.

    15 in stock

    £133.00

  • Medium Access Control in Wireless Networks

    Nova Science Publishers Inc Medium Access Control in Wireless Networks

    Out of stock

    Book SynopsisWireless technologies and applications are becoming one of the fastest growing and most promising areas in recent years. To accommodate data transmission by multiple stations sharing the scarce wireless bandwidth, a medium access control (MAC) protocol plays a crucial role in scheduling packet transmission fairly and efficiently. The emerging wireless networks, such as ad-hoc networks, sensor networks or mesh networks, are mostly multi-hop based and in distributed manner, which brings a lot of problems and challenges in designing fine-tuned MAC protocols tailored for modern wireless network. In this book, the authors give complete and in-depth overviews to the classic medium access control algorithms and the related protocols, as well as their applications in various wireless data networks especially the most successful Wireless Local Area Networks (WLAN). The book consists of three major parts. Part I of this book, including Chapters 1-7, is emphasising on the fundamentals of medium access control algorithms and protocols. Chapter 1 provides an introduction to the wireless networks, such as overview of wireless networks, problems and challenges of the wireless networks, and the classifications of MAC protocols as well as the performance metrics. Chapter 2 introduces important collision resolution algorithms applied in medium access controls, for example, the splitting algorithm and the backoff algorithm. Chapter 3 reviews the hybrid access control algorithms that combine both contention and allocation schemes. A series of important collision avoidance schemes are introduced in Chapters 4-7 respectively, with a specific design goal covered in each chapter. Chapter 4 focuses on the multi-channel MAC protocols for collision avoidance; Chapter 5 introduces the concepts of power control and power management in medium access control and how they can be applied in MAC protocol design; Chapter 6 presents how to provide Quality-of- Service (QoS) to multimedia wireless networks, in either centralised or distributed manner; and Chapter 7 explains how the smart antennas can be applied in the medium access control to provide high channel throughput and low packet collision.

    Out of stock

    £162.74

  • From Problem to Solution: Wireless Sensor

    Nova Science Publishers Inc From Problem to Solution: Wireless Sensor

    Out of stock

    Book Synopsis

    Out of stock

    £73.49

  • Young Women with Unplanned Pregnancies in

    Nova Science Publishers Inc Young Women with Unplanned Pregnancies in

    2 in stock

    Book SynopsisObjectives: This book examined the decision making process and health seeking patterns of low-income young women with unplanned pregnancies who opted for abortion, putting baby up for adoption, or keeping the baby. Methods: Research methodology in this book focused on formative research utilising qualitative data. The study was conducted covering all five shelters and low-income communities in Bangkok, Thailand. The data collection was through Focus Group Discussions, and in-depth interview. Forty-five cases were purposively recruited into the study. The data were analysed using content analysis. Results: From the qualitative research, the results indicated that the majority of the young women tended to select abortion as their first choice, while a few cases continued their pregnancies to term without any attempt to terminate the pregnancy. These women tended to delay seeking assistance once they found out their pregnancy situation. Majority of the low-income young women were more likely to resort self-medication as their first alternative, which was sometimes hazardous to their health. Decision on self-medication or abortions with unskilled personnel sometimes resulted in serious and life-threatening complications. Many pregnancy-termination situations resulted from self-medication. While most of these women made the important decision themselves, they still sought advice, guidance, and support from their partners, peers and parents. When the first attempt failed, they would seek a second or third attempt until they felt it was not possible to achieve what they had planned. Most women with unplanned pregnancies knew that they had options regarding termination of their pregnancies but their main concern was confidentiality. Consequently, the women who wanted to terminate their pregnancies adopted three patterns of action, i.e., 1) visiting drugstores / grocery stores, 2) visiting private clinics or hospitals, and 3) using physical pressure or vigorous actions. Most of the women realised that private clinics provided effective methods for terminating pregnancy, but due to its high cost, they would first resort self-medication or self-management. If they were not successful, they would then visit a private clinic and asked others to support the cost. Understanding the women''s decisions making process and their health seeking patterns utilisation allows us to understand their decision and course of actions. The program managers, implementers, providers, partners, parents/relatives, and friends should do as much as possible to support the decision of the women in order to provide better information and services to reduce the impact, both physical and mental, of their selected choice.

    2 in stock

    £38.24

  • Mathematical Modeling & Characterization of

    Nova Science Publishers Inc Mathematical Modeling & Characterization of

    Out of stock

    Book SynopsisThe statistical characteristics of wireless Internet traffic is very interesting and complicated. New tools and concepts are needed to address the issue of modelling and analysis of wireless Internet traffic. In this book, the authors present the relevant concepts in a clear but concise manner, with teletraffic engineers or researchers as the intended audience in mind.

    Out of stock

    £39.74

  • Wireless Networks: Research, Technology &

    Nova Science Publishers Inc Wireless Networks: Research, Technology &

    Out of stock

    Book SynopsisCoverage problem is an important and fundamental issue in sensor networks, which reflects how well a sensor network is monitored or tracked by a sensor. The current research on coverage problem in sensor networks are reviewed in this book. Specifically, two types of sensor coverage are investigated: area coverage and target coverage. In addition, the degree to which the goals of pervasive Internet and network access have been realised with community wireless networks is explored. Call-level performance modelling and QoS Assessment of W-CDMA networks is also addressed. In particular, multi-service teletraffic models suitable for the QoS assessment of W-CDMA networks is looked at. Angle of arrival (AOA) estimation is a significant technology in wireless networks, which can be exploited to locate mobile units, enhance communication efficiency and network capacity, and support location-aided routing. The many different high-resolution algorithms for AOA estimation is discussed. The performance of the algorithms is analysed and compared, and evaluated against theoretical lower bounds. One of the most important network security objectives is authentication, which means to know who send the data and where it came from. An intelligent authentication and key agreement mechanism for e-Hospital applications is proposed in this book. In addition, a mathematical model for calculating the coverage fraction in wireless sensor networks (WSNs) is addressed. Furthermore, a comprehensive survey of recent researches on intentional mobility of WSN''s is given. An overview of the cognitive radio technology and latest research developments in different layers of the protocol stack are discussed. Important topics such as wide-band spectrum sensing, transceiver architecture and dynamic spectrum allocation are reviewed as well. An overview of how satellite networking affects TCP (Transmission Control Protocol) is examined. The main performance enhancing techniques encountered in the literature is also looked at. A mobile network architecture which addresses the handoff delays and protocol overheads of NEMO are presented. The feasibility of the architecture is evaluated by comparing its performance with state of the art proposals using both analytical and empirical data. Finally, an Art Colony Optimisation (ACO) based method is proposed to reduce the computational and communication overhead for wireless networks.

    Out of stock

    £129.74

  • Mobile User Interface Analysis & Design: A

    Nova Science Publishers Inc Mobile User Interface Analysis & Design: A

    Out of stock

    Book Synopsis

    Out of stock

    £44.99

  • Wireless Communications & Spectrum Management by

    Nova Science Publishers Inc Wireless Communications & Spectrum Management by

    1 in stock

    Book Synopsis

    1 in stock

    £139.49

  • Maximizing the Wireless Spectrum for Economic

    Nova Science Publishers Inc Maximizing the Wireless Spectrum for Economic

    1 in stock

    Book Synopsis

    1 in stock

    £146.24

  • Bluetooth & Wireless Local Area Networks:

    Nova Science Publishers Inc Bluetooth & Wireless Local Area Networks:

    Out of stock

    Book Synopsis

    Out of stock

    £63.74

  • From LTE to LTE-Advanced Pro and 5G

    Artech House Publishers From LTE to LTE-Advanced Pro and 5G

    2 in stock

    Book SynopsisThis book examines the new features of LTE technologies and how they integrate into existing LTE networks. The authors provide an in-depth coverage of how the air interface is structured at the physical level and how the related link protocols are designed and work. It contains detailed chapters on the end-to-end data transfer optimization mechanisms based on the TCP. Readers will find information about OFDMA, and how DFT is used to implement it, SON specifications and realization and potential 5G solutions, as considered in releases 14 and beyond, the migration paths, and the challenges involved with the latest updates and standardization process. The book gives an insight into core network architecture, including the protocols and signaling used for both data and voice services, parameter estimations, and network planning and sizing.Trade ReviewA well written book providing network design practitioners a comprehensive summary with practical details of the standards and technologies behind 4G LTE, LTE-Advanced (-Pro) and 5G. This network design handbook is a must have for Policy Makers, CTO's, radio- and core network engineers of cellular telecom operators to implement optimal current and future LTE networks. -- Werner Noz * Trend Communications International *Clear concise description of components and features which form the LTE solution, and how these entities will evolve as we move from LTE towards 5G. -- Robert Ivers * TfL London *Table of ContentsThe Underlying DFT Concepts and Formulations; The Air Interface Architecture and Operation; The Coverage-Capacity Planning and Analysis; Pre-Launch Parameter Planning and Resource Allocation; Radio Resource Control and Mobility Management; Inter-Cell Interference Management in LTE; SON Technologies in LTC; EPC Network Architecture, Planning and Dimensioning Guideline; LTE_Advanced Main Enhancements; Optimization for TCP Operation in 4G and Other Networks; Voice over LTE (VOLTE); LTE-Advance Pro-Enhanced LTE Features; Towards 5G

    2 in stock

    £108.00

  • Software-Defined Radio for Engineers

    Artech House Publishers Software-Defined Radio for Engineers

    Out of stock

    Book SynopsisBased on the popular Artech House classic, Digital Communication Systems Engineering with Software-Defined Radio, this book provides a practical approach to quickly learning the software-defined radio (SDR) concepts needed. It explains how to create wireless design prototypes using SDR for real-world testing and experimentation and discusses advanced wireless communication techniques such as OFDM, LTE, WLA, and hardware targeting. Readers will gain an understanding of the core concepts behind wireless hardware, such as the radio frequency front-end, analog-to-digital and digital-to-analog converters, as well as various processing technologies. The book also includes details about HDL code generation and deployment as well as orthogonal frequency division multiplexing. This volume includes chapters on timing estimation, matched filtering, frame synchronization message decoding, and source coding. It concludes with coverage of the WLAN toolbox with OFDM beacon reception and the LTE toolbox with downlink reception. Multiple case studies are presented throughout the book, and MATLAB and Simulink source codes are included to assist students and professionals with projects in the field.Table of ContentsWhat is SDR; Signal & System Overview; Probability Review; Digital Communications Review; Coarse and Fine Frequency Correction; Timing Estimation and Matched Filtering; Frame Synchronization Message Decoding, and Source Coding; Equalization; Orthogonal Frequency Division Multiplexing; HDL Code Generation and Deployment; WLAN Toolbox: OFDM Beacon Reception; LTE Toolbox: Downlink Reception; Appendix SDR, FFT, SNR, and Signal Manipulation.

    Out of stock

    £114.30

  • Designing Delay-Tolerant Applications for

    Artech House Publishers Designing Delay-Tolerant Applications for

    Out of stock

    Book SynopsisThis comprehensive resource explains how network application engineers benefit from store-and-forward protocols. It reviews the motivation and design of delay tolerant networks (DTNs) and presents a series of design patterns, with examples, for developing and deploying delay-tolerant applications. The rationale for delay-tolerant applications as an evolution of standard solutions to current terrestrial internet networking challenges is presented. Similarities between internet architectures and DTN features are described, along with an overview of the history of DTNs, the architecture defining modern DTNs, and the Bundle Protocol transport mechanism. The book identifies emerging, advanced networking concepts that require delay tolerance and presents network design patterns as a general way of reasoning about these concepts. Delay-tolerance is explained, and how it can be used to cache content in a network, perform open-loop autonomous control of nodes, annotate messages to reduce traffic needs, perform distributed error correction, implement in-network data fusion, and operationalize regional administration. The book discusses special considerations unique to DTNs that must be accommodated by delay-tolerant applications, examples of using these patterns, and a case study for their deployment.Table of ContentsIntroduction; A Brief History of Challenged Networking; Delay-Tolerant Architectures; Patience on the Wire: The DTN Bundle Protocol; How the Internet Does It: Approaches and Patterns for DTN-Like Problems; Where the Internet is Not Enough: DARPA, NASA, and Disruption Tolerance; Advanced Networking Architectures; Application Services and Design Patterns; The Offshore Oracle Pattern: Centralizing Reporting Structures; The Training Wheels Pattern: Performing Asynchronous, Open-Loop Control; The Stowaway Pattern: Propagating State Information; The Network Watchdog Pattern: Error Detection and Recovery; The Checkpoint Pattern: Reducing Retransmissions; The Wormhole Pattern: Encapsulating for Uncertainty; What Can Go Wrong Along the Way: Special Considerations in DTNs; Case Studies for Delay-Tolerant Applications.

    Out of stock

    £114.00

  • Implementing Full Duplexing for 5G

    Artech House Publishers Implementing Full Duplexing for 5G

    Out of stock

    Book SynopsisThis exciting new book examines the feasibility of using a method of doubling the capacity of cellular networks by simultaneously transmitting and receiving signals at the same frequency, a process known as full duplexing (FD). To realize full duplexing, changes in the hardware of the cell- base stations, relaying equipment, “hot spot” access points and mobile phones are necessary to prevent the hardware’s transmitters from interfering with their own receivers. This requires looking at how to separate the strong transmitted signal from the very weak received signal, a process requiring both hardware (analog) changes and more complex digital signal processing. Different ways of achieving that goal are examined. The books reviews the merits of hardware changes involving new duplexing components that may be different depending on the frequency band and cell hardware being used.Developing full duplex (FD) systems in 5G LTE cellular communications and what can be achieved with ferrite-based circulators in terms of size reduction and performance enhancement, especially at millimetric frequencies, is considered. The relative merits of ferrite and non-ferrite circulators are compared in terms of their fundamental materials and device technologies, such as isolation, insertion loss, bandwidth and non-linearity. FD in the entire 5G cell is also examined and its resulting range of equipment and device communication. This includes front-hauling, more sophisticated back and front-hauling, backhaul beam switching, and cell extenders and relays, all of which could involve FD.Table of ContentsFull Duplexing; Self Interference; SI reduction-Solutions from Academic Groups; Non-Reciprocal Magnetism Physics; Practical Spatio-Temporal circulation approaches; Limitations of Semiconductor based Circulators; Current Ferrite Circulator Technology; Unbiased Ferrite Devices; Newer Transmission Line Technologies; New Materials and Packaging; Comparison of Ferrite and Semi-conductor based Circulators for Full Duplex; Future Full Duplex 5G Applications

    Out of stock

    £124.20

  • Wearable Antennas and Electronics

    Artech House Publishers Wearable Antennas and Electronics

    Out of stock

    Book SynopsisThis book presents a practical and comprehensive guide to game-changing and state-of-the-art wearable antennas and RF electronics and their applications. Written by leading experts, the book details how to weave clothing into functional antennas and sensors to serve as unobtrusive devices for medical monitoring, athletic performance tracking, body-area network communications, and a host of other applications. You will learn about the latest advances in materials and electronics along with new and unexplored opportunities in functionalizing fabrics for sensing and wireless connectivity; understand materials selection for diverse wearable applications; gain practical insight into the newest class of embroidered e-textiles; and learn how to engineer flexible and wearable sensors. Wearable Antennas and Electronics covers basic approaches for wearable technology and their applications. You will also get an expert preview of promising future directions and paths for research opportunities. This is a must-have resource for anyone working in the growing industry of wearables and body-area devices, including engineers, researchers, faculty, and graduate students.Table of ContentsIntroduction; Basic Approaches for Printing and Weaving Wearables; Wearable Electronics with Flexible, Transferable, and Remateable Components; Wearable Antennas; Wearable Sensors; Wearable RF Harvesting; Radiofrequency Finger Augmentation Devices for Tactile Internet; Wearable Imaging Technologies; Wearable Wireless Power Transfer Systems.

    Out of stock

    £132.30

  • Wi-Fi 6 Protocol and Network

    Artech House Publishers Wi-Fi 6 Protocol and Network

    4 in stock

    Book SynopsisWith more than 15 billion Wi-Fi enabled devices, Wi-Fi has proven itself as a technology that has successfully evolved over the past 25 years. The need for high-speed connectivity is growing, as Wi-Fi has evolved into a fundamental utility that is expected to be available everywhere. This comprehensive resource covers six generations of Wi-Fi standards including protocol, implementation, and network deployment for both residential and enterprise environments. It will provide readers with a new understanding of how to approach and debug basic Wi-Fi problems, and will grant those wondering whether to pick 5G or Wi-Fi 6 for their product the clarity needed to make an informed decision. Readers will find in-depth coverage of Wi-Fi encryption and authentication methods, including explorations of recently uncovered security vulnerabilities and how to fix them. This book also provides detailed information on the implementation of Wi-Fi, including common regulatory and certification requirements, as well its associated challenges. This book also provides direction on the placement of Wi-Fi access points in indoor locations. It introduces the most recent Wi-Fi 6E certification, which defines requirements for devices operating on the newly opened 6 GHz band. Wi-Fi 6 is then compared with 5G technology, and this resource provides insight into the benefits of each as well as how these two technologies can be used to complement each other.Table of ContentsIntroduction; Wi-Fi 1 to 5 Overview; Wi-Fi 6; Wi-Fi Security; Wi-Fi Implementation; Wi-Fi 6E; Wi-Fi Deployment; 5G Overview and Wi-Fi Comparison; Conclusion.

    4 in stock

    £98.10

  • Spectrum Wars: The Rise of 5g and Beyond

    Artech House Publishers Spectrum Wars: The Rise of 5g and Beyond

    Out of stock

    Book SynopsisThis exciting new book, which builds on the author's previous book, Spectrum Wars: The Policy and Technology Debate, discusses the evolution of spectrum use and management caused by the rise of 5G and beyond in all wireless technologies, from terrestrial wireless, including mobile and fixed, to non-terrestrial including satellite and drone technologies. A survey of these new technologies and use cases are included, allowing the reader to understand the technical, operational, and commercial context of these systems. This book addresses how the traditional methods used in evaluating spectrum management have changed, including the use and need of low, medium, and high band spectrum to meet user demands and the use of tools such as spectrum sharing to make available much needed spectrum for 5G and beyond. The book also examines how governments are making additional spectrum available for all uses, including recent spectrum auctions, clearing, and shared networks. Public policy challenges, such as the digital divide and the impact of the pandemic, are explored in relation to their impact on spectrum management. Finally, the evolution to 6G that is already occurring, and the impact that 6G will likely have on spectrum management in the future, is reviewed. Written by an expert in the field, this book provides a thoughtful approach to the overall spectrum management regime from allocating spectrum to having it released into the market for 5G and beyond.Table of ContentsIntroduction: The Changing World of Spectrum; The Evolving International Spectrum Regulatory Landscape; The Evolving Domestic Spectrum Regulatory Landscape; 5G Technology Overview; 5G and Beyond: Drivers of Change, Use Cases Driving 5G, Future Challenges and the Race to Be First; Meeting the Growing Demand for Spectrum for 5G for All Technologies; Enabling the Use of Additional Spectrum for 5G; 6G and Beyond; Conclusion: Challenges Ahead.

    Out of stock

    £98.10

  • Introduction to Mobile Communications and

    NY Research Press Introduction to Mobile Communications and

    Out of stock

    Book Synopsis

    Out of stock

    £103.95

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