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Ditemukan 15821 dokumen yang sesuai dengan query
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Sharp, Ian G.
"This book focuses on non-GNSS positioning systems and approaches. Although it addresses both theoretical and practical aspects, the primary focus is on engineering practice. This is achieved by providing in-depth studies on a number of major topics such as tracking system architecture, link budget, system design, implementation, testing, and performance evaluation. It studies four positioning application cases in detail: covert vehicle tracking, horse racing, rowing, and tracking for field sports.
Its comprehensive and systematic treatment of practical issues in wireless positioning makes the book particularly suitable for readers who are interested in learning about practical wireless positioning solutions. It will also benefit researchers, engineers and graduate students in fields such as positioning and navigation, geospatial engineering and telecommunications."
Singapore: Springer Singapore, 2019
e20501138
eBooks  Universitas Indonesia Library
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Gui, Guan
"This SpringerBrief introduces the basics of wireless powered communication networks (WPCNs). In particular, the background and concept of WPCNs are briefly discussed. Moreover, this brief provides an extensive study of the recent developments in this area from an optimization perspective. Wireless powered communication network (WPCN) is a new network paradigm for IoT, where wireless devices (WDs) are powered by radio frequency (RF) based wireless power transfer (WPT) to eliminate the need for recharging or replacing the batteries manually and to prolong their lifetime.In this context, the brief also discusses some optimization problems for state-of-the-art scenarios of wireless powered communication networks.
The target audiences for this SpringerBrief are researchers, engineers, and undergraduate and graduate-level students, who are studying or working in wireless powered communication networks and its performance optimization."
Switzerland: Springer Cham, 2019
e20502878
eBooks  Universitas Indonesia Library
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"This book presents on the latest research findings, and innovative research methods and development techniques related to the emerging areas of broadband and wireless computing from both theoretical and practical perspectives.
Information networking is evolving rapidly with various kinds of networks with different characteristics emerging and being integrated into heterogeneous networks. As a result, a number of interconnection problems can occur at different levels of the communicating entities and communication networks’ hardware and software design. These networks need to manage an increasing usage demand, provide support for a significant number of services, guarantee their QoS, and optimize the network resources.
The success of all-IP networking and wireless technology has changed the way of life for people around the world, and the advances in electronic integration and wireless communications will pave the way for access to the wireless networks on the fly. This in turn means that all electronic devices will be able to exchange the information with each other in a ubiquitous way whenever necessary."
Switzerland: Springer Cham, 2019
e20502887
eBooks  Universitas Indonesia Library
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Gao, Yue
"This SpringerBrief discusses the applications of spare representation in wireless communications, with a particular focus on the most recent developed compressive sensing (CS) enabled approaches. With the help of sparsity property, sub-Nyquist sampling can be achieved in wideband cognitive radio networks by adopting compressive sensing, which is illustrated in this brief, and it starts with a comprehensive overview of compressive sensing principles. Subsequently, the authors present a complete framework for data-driven compressive spectrum sensing in cognitive radio networks, which guarantees robustness, low-complexity, and security.
Particularly, robust compressive spectrum sensing, low-complexity compressive spectrum sensing, and secure compressive sensing based malicious user detection are proposed to address the various issues in wideband cognitive radio networks. Correspondingly, the real-world signals and data collected by experiments carried out during TV white space pilot trial enables data-driven compressive spectrum sensing. The collected data are analysed and used to verify our designs and provide significant insights on the potential of applying compressive sensing to wideband spectrum sensing.
This SpringerBrief provides readers a clear picture on how to exploit the compressive sensing to process wireless signals in wideband cognitive radio networks. Students, professors, researchers, scientists, practitioners, and engineers working in the fields of compressive sensing in wireless communications will find this SpringerBrief very useful as a short reference or study guide book. Industry managers, and government research agency employees also working in the fields of compressive sensing in wireless communications will find this SpringerBrief useful as well."
Switzerland: Springer Cham, 2019
e20502870
eBooks  Universitas Indonesia Library
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Brehmer, Johannes
"This monograph develops a framework for modeling and solving utility maximization problems in nonconvex wireless systems. The first part develops a model for utility optimization in wireless systems. The model is general enough to encompass a wide array of system configurations and performance objectives. Based on the general model, a set of methods for solving utility maximization problems is developed in the second part of the book. The development is based on a careful examination of the properties that are required for the application of each method. This part focuses on problems whose initial formulation does not allow for a solution by standard methods and discusses alternative approaches. The last part presents two case studies to demonstrate the application of the proposed framework. In both cases, utility maximization in multi-antenna broadcast channels is investigated."
Berlin: [, Springer], 2012
e20418198
eBooks  Universitas Indonesia Library
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"Wireless networking technologies are witnessed to become the integral part of industry, business, entertainment and daily life. Encyclopedia of Wireless Networks is expected to provide comprehensive references to key concepts of wireless networks, including research results of historical significance, areas of current interests, and growing directions in the future wireless networks. It can serve as a valuable and authoritative literature for students, researchers, engineers, and practitioners who need a quick reference to the subjects of wireless network technology and its relevant applications. "
Switzerland: Springer Cham, 2019
e20503330
eBooks  Universitas Indonesia Library
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"WSN merupakan jaringan sensor berskala besar dengan sumber daya yang terbatas. WSN digunakan pada aplikasi yang bersifat spesifik seperti untuk militer, survei, industri sampai pada pemakaian umum. Masalah yang dihadapi WSN adalah keterbatasan sumber daya dan jaringan yang selalu berubah sehingga membutuhkan algoritma yang tepat."
600 TEKNOSAINS 1:11 (2015)
Artikel Jurnal  Universitas Indonesia Library
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"This book constitutes the refereed proceedings of the 9th European Conference on Wireless Sensor Networks, EWSN 2012, held in Trento, Italy, in Februar 2012. The 16 revised full papers presented were carefully reviewed and selected from 78 submissions. The papers are organized in topical sections on communication and security, system issues, reliability, localization and smart cameras, and hardware and sensing."
Berlin: Springer, 2012
e20406447
eBooks  Universitas Indonesia Library
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Bayu Bumida Stani
"Usia baterai yang terbatas dari embedded system dan mobile devices mengakibatkan baterai itu harus sering di recharge atau solusi yang lain adalah dengan mengganti baterai tersebut. Salah satu solusi untuk membuat embedded system dan personal device dapat beroperasi terus-menerus, yaitu dengan memanfaatkan energi matahari dan sistem fotovoltaik. Skripsi ini bertujuan untuk merancang bangun modul penyuplai daya dengan memanfaatkan energi matahari sebagai pengganti baterai untuk modern embedded system dan aplikasi-aplikasi daya rendah. Salah satu contoh dari embedded system daya rendah adalah sensor node IEEE 802.15.4/Zigbee yang digunakan pada WSN. Embedded system ini berbasis pada Freescale System-in-Package MC13213 dan sudah termasuk RF transceiver untuk aplikasi-aplikasi ZigBee. Daya yang dibutuhkan oleh alat ini adalah < 1mW untuk keadaan stand-by dan mencapai sekitar 50mW untuk keadaan aktif. Modul penyuplai daya ini dapat dibagi menjadi tiga bagian, yaitu power supply, rangkaian input (maximum power point tracker), dan rangkaian output. Modul ini ditargetkan untuk menyuplai embedded system daya rendah khususnya wireless sensor node dengan tegangan kerja 3,3 volt dan konsumsi daya sampai dengan 50 miliwatt. ;The limited battery lifetime of modern embedded systems and mobile devices necessitates frequent battery recharging or replacement. One of the solution to make embedded systems and personal devices operate continuously is utilizing the solar energy and photovoltaic system. This final project aims to design a power supply module by utilizing solar energy as a replacement of battery for modern embedded system and low power application. The example of low power embedded system is IEEE 802.15.4/ZigBee sensor node used in Wireless Sensor Network (WSN). This embedded system is based on Freescale System-in-Package MC13213 including an IEEE 802.15.4 RF transceiver for ZigBee applications. The power consumption of the wireless device provided by the manufacturer with sensors and microcontroller in standby condition is < 1wW, while the power consumption reaches approximately 50mW when microcontroller and sensors are active. This power supply module can be divided into three parts, power supply circuit, input circuit (maximum power point tracker), and the output circuit. This module is targeted to supply low power embedded systems, especially wireless sensor node with the operating voltage of 3.3 volt and the power consumption up to 50 mW.

The limited battery lifetime of modern embedded systems and mobile devices necessitates frequent battery recharging or replacement. One of the solution to make embedded systems and personal devices operate continuously is utilizing the solar energy and photovoltaic system. This final project aims to design a power supply module by utilizing solar energy as a replacement of battery for modern embedded system and low power application. The example of low power embedded system is IEEE 802.15.4/ZigBee sensor node used in Wireless Sensor Network (WSN). This embedded system is based on Freescale System-in-Package MC13213 including an IEEE 802.15.4 RF transceiver for ZigBee applications. The power consumption of the wireless device provided by the manufacturer with sensors and microcontroller in standby condition is < 1wW, while the power consumption reaches approximately 50mW when microcontroller and sensors are active. This power supply module can be divided into three parts, power supply circuit, input circuit (maximum power point tracker), and the output circuit. This module is targeted to supply low power embedded systems, especially wireless sensor node with the operating voltage of 3.3 volt and the power consumption up to 50 mW."
2011
S124
UI - Skripsi Open  Universitas Indonesia Library
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Shankar, K.
"This book offers an essential guide to Wireless Sensor Networks, IoT Security, Image Processing, Secure Information Systems, and Data Encryption. In addition, it introduces students and aspiring practitioners to the subject of destination marketing in a structured manner. It is chiefly intended for researcher students in the areas of Wireless Sensor Networks and Secure Data Communication (including image encryption, and intrusion detection systems), academics at universities and colleges, IT professionals, policymakers and legislators.
Given its content, the book can be used as a reference text for both undergraduate and graduate studies, in courses on Wireless Sensor Networks, Secure Image Processing, and Data Encryption applications. The book is written in plain and easy-to-follow language and explains each main concept the first time it appears, helping readers with no prior background in the field. As such, it is a “must-read” guide to the subject matter."
Switzerland: Springer Cham, 2019
e20503221
eBooks  Universitas Indonesia Library
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