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Author: Nicola Altan Publisher: Universal-Publishers ISBN: 159942374X Category : Languages : en Pages : 141
Book Description
Wireless Metering Networks (WMN), a special class of Wireless Sensor Networks (WSN), consisting of a large number of tiny inexpensive sensor nodes are a viable solution for many problems in the field of building automation, especially if the expected lifetime of the network permits to synchronize the network maintenance with the schedule for routine maintenance of the building. In order to meet the resulting energy constraints, the nodes have to operate according to an extremely low duty cycle schedule. The existence of an energy efficient MAC Layer protocol, the adoption of a robust time synchronization mechanism and the implementation of effective network discovery and maintenance strategies are key elements for the success of a WMN project. The main goal of this work was the development of a set of algorithms and protocols which enable the low energy / low power operation in the considered family of WMNs.The development and validation of a propagation model reproducing the characteristics of the indoor radio environment was a necessary step in order to obtain appropriate instruments for the evaluation of the quality of the proposed solutions. The author suggests a simple localized heuristic algorithm which permits the integration of all sensor nodes into a tree-like failure tolerant routing structure and also provides some basic continuous adaptation capabilities of the network structure.A subsequent extension of the basic algorithm makes the network able of self healing. An innovative approach to the solution of the synchronization problem based on a reformulation of the original problem into an estimation problem permitted the development of an efficient time synchronization mechanism. This mechanism, which makes an opportunistic usage of the beacon signals generated by the MAC layer protocol, permits an effective reduction of the synchronization error between directly communicating nodes and, indirectly, introduces a global synchronization among all nodes. All the proposed solutions have been developed for a specific network class. However, since the presence of a low duty cycle scheduling, the adoption of a beacon enabled MAC protocol and the presence of limited hardware resources are quite general assumptions, the author feels confident about the applicability of the proposed solution to a much wider spectrum of problems.
Author: Nicola Altan Publisher: Universal-Publishers ISBN: 159942374X Category : Languages : en Pages : 141
Book Description
Wireless Metering Networks (WMN), a special class of Wireless Sensor Networks (WSN), consisting of a large number of tiny inexpensive sensor nodes are a viable solution for many problems in the field of building automation, especially if the expected lifetime of the network permits to synchronize the network maintenance with the schedule for routine maintenance of the building. In order to meet the resulting energy constraints, the nodes have to operate according to an extremely low duty cycle schedule. The existence of an energy efficient MAC Layer protocol, the adoption of a robust time synchronization mechanism and the implementation of effective network discovery and maintenance strategies are key elements for the success of a WMN project. The main goal of this work was the development of a set of algorithms and protocols which enable the low energy / low power operation in the considered family of WMNs.The development and validation of a propagation model reproducing the characteristics of the indoor radio environment was a necessary step in order to obtain appropriate instruments for the evaluation of the quality of the proposed solutions. The author suggests a simple localized heuristic algorithm which permits the integration of all sensor nodes into a tree-like failure tolerant routing structure and also provides some basic continuous adaptation capabilities of the network structure.A subsequent extension of the basic algorithm makes the network able of self healing. An innovative approach to the solution of the synchronization problem based on a reformulation of the original problem into an estimation problem permitted the development of an efficient time synchronization mechanism. This mechanism, which makes an opportunistic usage of the beacon signals generated by the MAC layer protocol, permits an effective reduction of the synchronization error between directly communicating nodes and, indirectly, introduces a global synchronization among all nodes. All the proposed solutions have been developed for a specific network class. However, since the presence of a low duty cycle scheduling, the adoption of a beacon enabled MAC protocol and the presence of limited hardware resources are quite general assumptions, the author feels confident about the applicability of the proposed solution to a much wider spectrum of problems.
Author: Nel Samama Publisher: John Wiley & Sons ISBN: 1119421853 Category : Technology & Engineering Languages : en Pages : 372
Book Description
Provides technical and scientific descriptions of potential approaches used to achieve indoor positioning, ranging from sensor networks to more advanced radio-based systems This book presents a large technical overview of various approaches to achieve indoor positioning. These approaches cover those based on sensors, cameras, satellites, and other radio-based methods. The book also discusses the simplification of certain implementations, describing ways for the reader to design solutions that respect specifications and follow established techniques. Descriptions of the main techniques used for positioning, including angle measurement, distance measurements, Doppler measurements, and inertial measurements are also given. Indoor Positioning: Technologies and Performance starts with overviews of the first age of navigation, the link between time and space, the radio age, the first terrestrial positioning systems, and the era of artificial satellites. It then introduces readers to the subject of indoor positioning, as well as positioning techniques and their associated difficulties. Proximity technologies like bar codes, image recognition, Near Field Communication (NFC), and QR codes are covered—as are room restricted and building range technologies. The book examines wide area indoor positioning as well as world wide indoor technologies like High-Sensitivity and Assisted GNSS, and covers maps and mapping. It closes with the author's vision of the future in which the practice of indoor positioning is perfected across all technologies. This text: Explores aspects of indoor positioning from both theoretical and practical points of view Describes advantages and drawbacks of various approaches to positioning Provides examples of design solutions that respect specifications of tested techniques Covers infra-red sensors, lasers, Lidar, RFID, UWB, Bluetooth, Image SLAM, LiFi, WiFi, indoor GNSS, and more Indoor Positioning is an ideal guide for technical engineers, industrial and application developers, and students studying wireless communications and signal processing.
Author: Inderpreet Kaur Publisher: BoD – Books on Demand ISBN: 183969355X Category : Technology & Engineering Languages : en Pages : 124
Book Description
This book discusses the use of smart metering technology (SMT) in diverse areas including electrical power grids, communications, transportation, and more. Chapters cover such topics as smart meters, off-grid electrification, standardized risk management procedures for mini-grids, and SMT in academics, among others.
Author: Alejandro A. Aragón-Zavala Publisher: John Wiley & Sons ISBN: 1119004551 Category : Technology & Engineering Languages : en Pages : 440
Book Description
Indoor Wireless Communications: From Theory to Implementation provides an in-depth reference for design engineers, system planners and post graduate students interested in the vastly popular field of indoor wireless communications. It contains wireless applications and services for in-building scenarios and knowledge of key elements in the design and implementation of these systems. Technologies such as Wireless Local Area Networks, Bluetooth, ZigBee, Indoor Optical Communications, WiMAX, UMTS and GSM for indoor environments are fully explained and illustrated with examples. Antennas and propagation issues for in-building scenarios are also discussed, emphasizing models and antenna types specifically developed for indoor communications. An exhaustive survey on indoor wireless communication equipment is also presented, covering all available technologies including antennas, distribution systems, transceivers and base stations.
Author: Patrick Sénac Publisher: Springer Science & Business Media ISBN: 3642291562 Category : Computers Languages : en Pages : 467
Book Description
This book constitutes the thoroughly refereed post-conference proceedings of the First International ICST Conference on Wireless Communications and Applications, ICWCA 2011, held in Sanya, China, in August 2011. The 43 revised full papers presented were carefully reviewed and selected from around 90 submissions and cover a wide range of topics as mobile ad hoc networks, sensor networks, network architectural design, network protocol design, local area networks, MAC, routing, and transport protocols, quality of service provisioning, reliability and fault tolerance issues, resource allocation and management, signal processing, medical imaging, data aggregation techniques, security and privacy issues, wireless computing and applications for wireless network as smart grid, agriculture, health care, smart home, conditional monitoring, etc.
Author: Lakhmi C. Jain Publisher: Springer Nature ISBN: 981165168X Category : Technology & Engineering Languages : en Pages : 343
Book Description
This book gathers selected papers presented at the 4th International Conference on Wireless Communications and Applications (ICWCA 2020), held at Hainan University, China. The second volume will involve research works aimed at the contemporary applications: emerging wireless/mobile applications, context and location-aware wireless services; wireless telemedicine and e-health services; intelligent transportation systems; RFID technology and application; cognitive radio and sensor-based applications; content distribution in wireless home environment and many others.
Author: Jozef Wozniak Publisher: Springer Science & Business Media ISBN: 3642038409 Category : Computers Languages : en Pages : 387
Book Description
This book constitutes the refereed proceedings of the Second IFIP WG 6.8 Joint Conference on Wireless and Mobile Networking, WMNC 2009, held in Gdansk, Poland, in September 2009. The 30 thoroughly revised papers presented together with one invited talk were selected from 65 submissions. The papers are evenly split among three tracks: Personal Wireless Communications (PWC), Wireless Sensor and Actors Networks (WSAN) and Mobile and Wireless Communications Networks (MWCN) reflecting the state of the art, current discussions, and development trends in wireless and mobile networks and services. They are divided in topical sections on IMS interoperability; QoS and multimedia support; network design; sensor networks; trust management and competitive networking; location algorithms; evolution of 3G, 3G/4G and future generation systems; and handover mechanisms.
Author: David D. Coleman Publisher: John Wiley & Sons ISBN: 9780470099605 Category : Computers Languages : en Pages : 593
Book Description
One of the fastest-growing certifications on the market, CWNA is rapidly becoming the premier professional wireless certification for network administrators. It is also the foundation-level exam for the complete Certified Wireless Network Professional program. Now you can join the move to Wi-Fi and prepare for your certification with this comprehensive and targeted study guide. This value-packed book includes: Practical information on designing, installing, and managing wireless networks, including the new 802.11 standards Challenging practice questions and hands-on exercises A test engine with bonus exams and over 150 electronic flashcards A pre-assessment test A detailed glossary Inside, find authoritative coverage of all exam PW0-100 objectives, including: Radio Technologies Antenna Concepts Wireless LAN Hardware and Software Network Design, Installation, and Management Wireless Standards and Organizations 802.11 Network Architecture Wireless LAN Security Troubleshooting Performing Site Surveys Featured on the CD SYBEX TEXT ENGINE: Test your knowledge with advanced testing software. Includes all chapter review questions and bonus exams. ELECTRONIC FLASHCARDS: Reinforce your understanding with flashcards that can run on your PC, Pocket PC, or Palm handheld. Also on CD, you'll find the entire book in searchable and printable PDF, as well as valuable tools, demo software, and white papers that will supplement your certification preparation. Visit www.sybex.com Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
Author: Khaldoun Al Agha Publisher: Springer ISBN: 0387347380 Category : Computers Languages : en Pages : 189
Book Description
Position-based routing was originally developed for packet radio networks in the 1980s [6]. It received renewed interest during the last few years as a method for routing in mobile wireless ad hoc and sensor networks [1, 2, 4]. The general idea of is to select the next hop based on position information such that the packet is forwarded in the geographical direction of the destination. Position-based routing can be divided into two main components: the location service and position-based forwarding. The location service [5, 13] is used for mapping the unique identifier (for example an IP address) of a node to its geographical position. In mobile ad hoc networks, providing accurate location service for position based routing, with low communication overhead, appears to be more difficult task than routing itself [13]. In case of sensor networks, however, destination is a sink or base station whose position is made available to source sensors by flooding. Position-based forwarding is performed by a node to select one of its neighbors as the next hop the packet should be forwarded to. Usually, the following information is required for the forwarding decision: the node's own geographical position, the position of all neighbors within transmission range and the position of the destination. Based on this information, the forwarding node selects one of its neighbors as the next hop such that the packet makes progress toward the geographical position of the destination.
Author: Sunil Cheruvu Publisher: Apress ISBN: 1484228960 Category : Computers Languages : en Pages : 251
Book Description
Break down the misconceptions of the Internet of Things by examining the different security building blocks available in Intel Architecture (IA) based IoT platforms. This open access book reviews the threat pyramid, secure boot, chain of trust, and the SW stack leading up to defense-in-depth. The IoT presents unique challenges in implementing security and Intel has both CPU and Isolated Security Engine capabilities to simplify it. This book explores the challenges to secure these devices to make them immune to different threats originating from within and outside the network. The requirements and robustness rules to protect the assets vary greatly and there is no single blanket solution approach to implement security. Demystifying Internet of Things Security provides clarity to industry professionals and provides and overview of different security solutions What You'll Learn Secure devices, immunizing them against different threats originating from inside and outside the networkGather an overview of the different security building blocks available in Intel Architecture (IA) based IoT platformsUnderstand the threat pyramid, secure boot, chain of trust, and the software stack leading up to defense-in-depth Who This Book Is For Strategists, developers, architects, and managers in the embedded and Internet of Things (IoT) space trying to understand and implement the security in the IoT devices/platforms.
Author: Nicola Altan
Author: Nicola Altan
Author: Nel Samama
Author: Inderpreet Kaur
Author: Alejandro A. Aragón-Zavala
Author: Patrick Sénac
Author: Lakhmi C. Jain
Author: Jozef Wozniak
Author: David D. Coleman
Author: Khaldoun Al Agha
Author: Sunil Cheruvu