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Author: SungWon Chung (Ph. D.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
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Book Description
The continued improvement of transistor performance has increased the limit on the peak energy-efficiency of wireless transmitters. Nevertheless, the average efficiency with mobile multimedia communication is decreasing due to escalating design requirements on linearity and bandwidth. Therefore there is an increasing gap between the peak and average efficiency. Furthermore, the nature of user mobility mandates reliability over environmental changes and device aging. To address these two pervasive issues of efficiency and reliability, we pursue solutions at both the architectural and algorithmic level. This thesis proposes energy-efficient wireless transmitter architectures that also improve transmitter reliability. First, mobile adaptive predistortion to improve transmitter reliability is presented. Second, parallel segmented modulation (PSM) to improve average efficiency is introduced. A prototype PSM transmitter chip for gigabit Wi-Fi (IEEE 802.11ac VHT160 standard) is designed, which integrates a watt-level switching RF power amplifier and a subsampling observation receiver for low-power adaptive predistortion.
Author: SungWon Chung (Ph. D.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 178
Get Book Here
Book Description
The continued improvement of transistor performance has increased the limit on the peak energy-efficiency of wireless transmitters. Nevertheless, the average efficiency with mobile multimedia communication is decreasing due to escalating design requirements on linearity and bandwidth. Therefore there is an increasing gap between the peak and average efficiency. Furthermore, the nature of user mobility mandates reliability over environmental changes and device aging. To address these two pervasive issues of efficiency and reliability, we pursue solutions at both the architectural and algorithmic level. This thesis proposes energy-efficient wireless transmitter architectures that also improve transmitter reliability. First, mobile adaptive predistortion to improve transmitter reliability is presented. Second, parallel segmented modulation (PSM) to improve average efficiency is introduced. A prototype PSM transmitter chip for gigabit Wi-Fi (IEEE 802.11ac VHT160 standard) is designed, which integrates a watt-level switching RF power amplifier and a subsampling observation receiver for low-power adaptive predistortion.
Author: Guowang Miao
Publisher: Cambridge University Press
ISBN: 1107039886
Category : Computers
Languages : en
Pages : 387
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Book Description
Provides the fundamental principles and practical tools needed to design next-generation wireless networks that are both energy- and spectrum-efficient.
Author: Dr. RAJKUMAR L. BIRADAR
Publisher: Archers & Elevators Publishing House
ISBN: 8119385845
Category : Antiques & Collectibles
Languages : en
Pages : 107
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Book Description
Author: K.R. Rao
Publisher: CRC Press
ISBN: 1466566019
Category : Computers
Languages : en
Pages : 492
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Book Description
Rapid progress in software, hardware, mobile networks, and the potential of interactive media poses many questions for researchers, manufacturers, and operators of wireless multimedia communication systems. Wireless Multimedia Communication Systems: Design, Analysis, and Implementation strives to answer those questions by not only covering the underlying concepts involved in the design, analysis, and implementation of wireless multimedia communication systems, but also by tackling advanced topics such as mobility management, security components, and smart grids. Offering an accessible treatment of the latest research, this book: Presents specific wireless multimedia communication schemes that have proven to be useful Discusses important standardization processing activities regarding wireless networking Includes wireless mesh and multimedia sensor network architectures, protocols, and design optimizations Highlights the challenges associated with meeting complex connectivity requirements Contains numerous figures, tables, examples, references, and a glossary of acronyms Providing coverage of significant technological advances in their initial steps along with a survey of the fundamental principles and practices, Wireless Multimedia Communication Systems: Design, Analysis, and Implementation aids senior-level and graduate-level engineering students and practicing professionals in understanding the processes and furthering the development of today’s wireless multimedia communication systems.
Author: Paul Anthony Lettieri
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: Yang Song
Publisher:
ISBN:
Category :
Languages : en
Pages : 273
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Book Description
Author: Zoran S. Bojkovic
Publisher: CRC Press
ISBN: 1000197158
Category : Computers
Languages : en
Pages : 357
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Book Description
In bringing to the readers the book 5G Multimedia Communication: Technology, Multiservices and Deployment, the aim is to present current work and direction on the challenging subject of multimedia communications, with theoretical and practical roots. The past two decades have witnessed an extremely fast evolution of mobile cellular network technology. The fifth generation of mobile wireless systems has achieved the first milestone toward finalization and deployment by 2020. This is vital to the development of future multimedia communications. Also, it is necessary to consider 5G technology from the performance point of view by analyzing network capabilities to the operator and to the end user in terms of data rate, capacity, coverage, energy efficiency, connectivity and latency. The book is divided into three major parts with each part containing four to seven chapters: • Critical enabling technology • Multiservices network • Deployment scenarios The first part discusses enabling technologies, such as green communication, channel modeling, massive and distributed MIMO and ML-based networks. In the second part, different methodologies and standards for multiservices have been discussed. Exclusive chapters have been dedicated to each of the open research challenges such as multimedia operating in 5G environment, network slicing optimization, mobile edge computing, mobile video multicast/broadcast, integrated satellite and drone communication. The third part paved the way to deployment scenarios for different innovative services including integration of a multienergy system in smart cities, intelligent transportation systems, 5G connectivity in the transport sector, healthcare services, 5G edge-based video surveillance and challenges of connectivity for massive IoT in 5G and beyond systems. The book is written by experts in the field who introduced scientific and engineering concepts, covering the 5G multimedia communication areas. The book can be read cover-to-cover or selectively in the areas of interest for the readers. Generally, the book is intended for novel readers who could benefit from understanding general concepts, practitioners who seek guidance into the field and senior-level as well as graduate-level engineering students in understanding the process of today’s wireless multimedia communications.
Author: Jonathan Rodriguez
Publisher: Springer
ISBN: 3642351557
Category : Computers
Languages : en
Pages : 725
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Book Description
This book constitutes the thoroughly refereed post-conference proceedings of the 6th International ICST Conference on Mobile Multimedia Communications (MOBIMEDIA 2010) held in Lisbon, Portugal, in September 2010, which was accompanied by the First International Workshop on Cognitive Radio and Cooperative Strategies for POWER Saving (C2POWER 2010), the Workshop on Impact of Scalable Video Coding on Multimedia Provisioning (SVCVision 2010), and the First International Workshop on Energy-efficient and Reconfigurable Transceivers (EERT 2010). The 59 revised full papers presented were carefully reviewed and selected from numerous submissions and are organized in topical sections on advanced techniques for video transmission; multimedia distribution; modelling of wireless systems; cellular networks; mobility concepts for IMT-advances (MOBILIA); media independent handovers (MIH-4-MEDIA); and IP-based emergency applications and services for next generation networks (PEACE).
Author: Jason Thaine Stauth
Publisher:
ISBN:
Category :
Languages : en
Pages : 386
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Book Description
Author: Oswald Jumira
Publisher: John Wiley & Sons
ISBN: 111858001X
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
The last decade has witnessed an unprecedented development and growth in global wireless communications systems, technologies and network “traffic” generated over network infrastructures. This book presents state-of-the-art energy-efficient techniques, designs and implementations that pertain to wireless communication networks such as cellular networks, wireless local area networks (WLANs) and wireless ad hoc networks (WAHNs) including mobile ad hoc networks (MANETs), and wireless sensor networks (WSNs) as they are deployed across the world to facilitate “always on” reliable high-speed wireless access from anywhere, at anytime to accommodate the new paradigm of the “Internet of Things” (IoT). The pervasive and exponential growth of Wi-Fi and the impact of bandwidth-intensive applications on the energy consumption of Wi-Fi-enabled devices are discussed along with energy harvesting as an advantageous option to power WAHNs. The book aims to serve as a useful reference for researchers, students, regulatory authorities, and educators.
