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Author: Chong-Jing Chen Publisher: ISBN: 9781109509304 Category : Languages : en Pages : 153
Book Description
Wireless technologies have enabled mobility and convenience by eliminating cumbersome wires. Wireless sensor nodes must be made small and low power without sacrificing performance. In addition to task scheduling, the densely distributed wireless sensor nodes must run communication protocols to achieve better utilization and reliable communication. While many researchers work on wireless sensor networks that are densely distributed, they assume low duty cycling and trivial data rate. Unfortunately, this is a great mismatch with many real-world applications that require the high data rate. Furthermore, most wireless communication protocols are too complicated to be used on compact wireless sensor nodes with limited RAM and ROM. To address these issues, we propose a lightweight multiple access control protocol to enable relatively high data rate and densely distributed deployment. It can achieve reliable communication on resource-constrained wireless sensor nodes and minimizes the protocol complexity to reduce the memory footprint. The protocol can also work under high utilization of air bandwidth without collision. While civil engineers are concerned about the sampling rate at 100 Hz for structure monitoring. our system with this protocol can scale up to 50 wireless sensor nodes and streamreal-time data in the same frequency channel at 100 Hz sampling rate. We also propose a compact, multi-channel protocol with high scalability and small memory footprint. This multiple access control protocol enables wireless sensor nodes to transmit sensing data over multiple frequency channels to achieve a higher throughput than a system with only a single frequency channel. We integrate our protocol with a giant tiled display system, HIPerWall, to show the real-time sensing data at a high resolution without downsampling. Last, we perform a thorough evaluation to study the channel characteristics of a wearable wireless sensor node. We vary several different parameters, the RF transmission power, distance, height, and angle to observe the packet loss rates. These experimental results can be used for constructing a more reliable wireless communication for wireless sensor networks.
Author: Chong-Jing Chen Publisher: ISBN: 9781109509304 Category : Languages : en Pages : 153
Book Description
Wireless technologies have enabled mobility and convenience by eliminating cumbersome wires. Wireless sensor nodes must be made small and low power without sacrificing performance. In addition to task scheduling, the densely distributed wireless sensor nodes must run communication protocols to achieve better utilization and reliable communication. While many researchers work on wireless sensor networks that are densely distributed, they assume low duty cycling and trivial data rate. Unfortunately, this is a great mismatch with many real-world applications that require the high data rate. Furthermore, most wireless communication protocols are too complicated to be used on compact wireless sensor nodes with limited RAM and ROM. To address these issues, we propose a lightweight multiple access control protocol to enable relatively high data rate and densely distributed deployment. It can achieve reliable communication on resource-constrained wireless sensor nodes and minimizes the protocol complexity to reduce the memory footprint. The protocol can also work under high utilization of air bandwidth without collision. While civil engineers are concerned about the sampling rate at 100 Hz for structure monitoring. our system with this protocol can scale up to 50 wireless sensor nodes and streamreal-time data in the same frequency channel at 100 Hz sampling rate. We also propose a compact, multi-channel protocol with high scalability and small memory footprint. This multiple access control protocol enables wireless sensor nodes to transmit sensing data over multiple frequency channels to achieve a higher throughput than a system with only a single frequency channel. We integrate our protocol with a giant tiled display system, HIPerWall, to show the real-time sensing data at a high resolution without downsampling. Last, we perform a thorough evaluation to study the channel characteristics of a wearable wireless sensor node. We vary several different parameters, the RF transmission power, distance, height, and angle to observe the packet loss rates. These experimental results can be used for constructing a more reliable wireless communication for wireless sensor networks.
Author: Zaman, Noor Publisher: IGI Global ISBN: 1466601027 Category : Technology & Engineering Languages : en Pages : 656
Book Description
"This book focuses on wireless sensor networks and their operation, covering topics including routing, energy efficiency and management"--
Author: Pedro José Marrón Publisher: Springer Science & Business Media ISBN: 3642191851 Category : Computers Languages : en Pages : 236
Book Description
This book constitutes the refereed proceedings of the 8th European Conference on Wireless Sensor Networks, EWSN 2011, held in Bonn, Germany, in February 2011. The 14 revised full papers presented were carefully reviewed and selected from 87 submissions. The papers are organized in topical sections on routing and mobility, optimization techniques, MAC protocols, algorithms, and systems and abstractions.
Author: Kazem Sohraby Publisher: John Wiley & Sons ISBN: 0470112751 Category : Technology & Engineering Languages : en Pages : 325
Book Description
Infrastructure for Homeland Security Environments Wireless Sensor Networks helps readers discover the emerging field of low-cost standards-based sensors that promise a high order of spatial and temporal resolution and accuracy in an ever-increasing universe of applications. It shares the latest advances in science and engineering paving the way towards a large plethora of new applications in such areas as infrastructure protection and security, healthcare, energy, food safety, RFID, ZigBee, and processing. Unlike other books on wireless sensor networks that focus on limited topics in the field, this book is a broad introduction that covers all the major technology, standards, and application topics. It contains everything readers need to know to enter this burgeoning field, including current applications and promising research and development; communication and networking protocols; middleware architecture for wireless sensor networks; and security and management. The straightforward and engaging writing style of this book makes even complex concepts and processes easy to follow and understand. In addition, it offers several features that help readers grasp the material and then apply their knowledge in designing their own wireless sensor network systems: * Examples illustrate how concepts are applied to the development and application of * wireless sensor networks * Detailed case studies set forth all the steps of design and implementation needed to solve real-world problems * Chapter conclusions that serve as an excellent review by stressing the chapter's key concepts * References in each chapter guide readers to in-depth discussions of individual topics This book is ideal for networking designers and engineers who want to fully exploit this new technology and for government employees who are concerned about homeland security. With its examples, it is appropriate for use as a coursebook for upper-level undergraduates and graduate students.
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: Geyong Ming Publisher: Nova Publishers ISBN: 9781600217135 Category : Computers Languages : en Pages : 498
Book Description
Recent years have witnessed tremendous growth in the population of mobile users demanding high performance, reliability and quality-of-service (QoS). Wireless networks are undergoing rapid developments and dramatic changes in the underlying technologies, in order to cope with the difficulties posed by the scarce wireless resource as well as keep up with the increasing day-to-day demand for cost-effective service of multimedia applications. Predicting and optimising the performance and QoS of wireless networks using analytical modelling, simulation experiments, monitoring and testbed-based measurements are crucial to the proper design, tuning, resource management and capacity planning of such networks. This book is dedicated to review important developments and results, explore recent state-of-the-art research and discuss new strategies for performance modelling, analysis and enhancement of wireless networks. The objective is to make analytical modelling, simulation and measurement tools, and innovative performance evaluation methodology possible and understandable to a wider audience.
Author: Matin, M.A. Publisher: IGI Global ISBN: 1466651717 Category : Technology & Engineering Languages : en Pages : 638
Book Description
"This book brings together advanced research on diverse topics in wireless communications and networking, including the latest developments in broadband technologies, mobile communications, wireless sensor networks, network security, and cognitive radio networks"--
Author: John R. Vacca Publisher: CRC Press ISBN: 1466569727 Category : Computers Languages : en Pages : 438
Book Description
This handbook provides a complete professional reference and practitioner's guide to today's advanced sensor networking technologies. It focuses on both established and recent sensor networking theory, technology, and practice. Specialists at the forefront of the field address immediate and long-term challenges and explore practical solutions to a wide range of sensor networking issues. The book covers the hardware of sensor networks, wireless communication protocols, sensor networks software and architectures, wireless information networks, data manipulation, signal processing, localization, and object tracking through sensor networks.
Author: Sasan Adibi Publisher: Springer ISBN: 3319128175 Category : Technology & Engineering Languages : en Pages : 1160
Book Description
This book offers a comprehensive report on the technological aspects of Mobile Health (mHealth) and discusses the main challenges and future directions in the field. It is divided into eight parts: (1) preventive and curative medicine; (2) remote health monitoring; (3) interoperability; (4) framework, architecture, and software/hardware systems; (5) cloud applications; (6) radio technologies and applications; (7) communication networks and systems; and (8) security and privacy mechanisms. The first two parts cover sensor-based and bedside systems for remotely monitoring patients’ health condition, which aim at preventing the development of health problems and managing the prognosis of acute and chronic diseases. The related chapters discuss how new sensing and wireless technologies can offer accurate and cost-effective means for monitoring and evaluating behavior of individuals with dementia and psychiatric disorders, such as wandering behavior and sleep impairments. The following two parts focus on architectures and higher level systems, and on the challenges associated with their interoperability and scalability, two important aspects that stand in the way of the widespread deployment of mHealth systems. The remaining parts focus on telecommunication support systems for mHealth, including radio technologies, communication and cloud networks, and secure health-related applications and systems. All in all, the book offers a snapshot of the state-of-art in mHealth systems, and addresses the needs of a multidisciplinary audience, including engineers, computer scientists, healthcare providers, and medical professionals, working in both academia and the industry, as well as stakeholders at government agencies and non-profit organizations.
Author: Chong-Jing Chen
Author: Chong-Jing Chen
Author: Zaman, Noor
Author: Pedro José Marrón
Author: Kazem Sohraby
Author: Patrick Sénac
Author: Xiaolong Zheng
Author: Geyong Ming
Author: Matin, M.A.
Author: John R. Vacca
Author: Sasan Adibi