Advanced Wireless Networks With Densely Deployed Antennas And Imperfect Network State Information
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Advanced Wireless Networks With Densely Deployed Antennas And Imperfect Network State Information
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Author : Guangyi Liu
language : en
Publisher:
Release Date : 2020
Advanced Wireless Networks With Densely Deployed Antennas And Imperfect Network State Information written by Guangyi Liu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
The future cellular systems with densely deployed antennas result in requirements for increased amounts of feedback for network state information. With the additional communication resources required for transmitting this overhead, in this dissertation, we study the corresponding wireless network performance analysis, as well as the optimal resource allocation and scheduling. We mostly focus on MU-MISO to illustrate potential solutions for maximizing performance. From a rate-distortion theoretic point of view, we study the minimal overhead required to achieve a speci ed distortion for MU-MISO systems, as well as advanced source coding methods to approach this minimum value. With the conclusions drawn from the research on massive MISO with outdated CSI, we study one particular type of high-speed users: autonomous vehicles (AVs). Routing algorithms for autonomous vehicles with communication constraints are proposed; also, two basic principles for optimal AV trac control with communication constraints are demonstrated.
Fundamentals Of 5g Mobile Networks
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Author : Jonathan Rodriguez
language : en
Publisher: John Wiley & Sons
Release Date : 2015-04-27
Fundamentals Of 5g Mobile Networks written by Jonathan Rodriguez and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-27 with Technology & Engineering categories.
Fundamentals of 5G Mobile Networks provides an overview of the key features of the 5th Generation (5G) mobile networks, discussing the motivation for 5G and the main challenges in developing this new technology. This book provides an insight into the key areas of research that will define this new system technology paving the path towards future research and development. The book is multi-disciplinary in nature, and aims to cover a whole host of intertwined subjects that will predominantly influence the 5G landscape, including the future Internet, cloud computing, small cells and self-organizing networks (SONs), cooperative communications, dynamic spectrum management and cognitive radio, Broadcast-Broadband convergence , 5G security challenge, and green RF. This book aims to be the first of its kind towards painting a holistic perspective on 5G Mobile, allowing 5G stakeholders to capture key technology trends on different layering domains and to identify potential inter-disciplinary design aspects that need to be solved in order to deliver a 5G Mobile system that operates seamlessly.
Proceedings
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Author : Sanjay Jha
language : en
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
Release Date : 2004
Proceedings written by Sanjay Jha and has been published by Institute of Electrical & Electronics Engineers(IEEE) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Computers categories.
Advanced Technologies And Wireless Networks Beyond 4g
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Author : Nathan Blaunstein
language : en
Publisher: John Wiley & Sons
Release Date : 2020-11-04
Advanced Technologies And Wireless Networks Beyond 4g written by Nathan Blaunstein and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-04 with Technology & Engineering categories.
A guide to the physical and mathematical-statistical approaches to personal and mobile wireless communication networks Wireless Networks Technologies offers an authoritative account of several current and modern wireless networks and the corresponding novel technologies and techniques. The text explores the main aspects of the "physical layer" of the technology. The authors—noted experts on the topic—examine the well-known networks (from 2-G to 3-G) in a historical perspective. They also illuminate the "physical layer" of networks while presenting polarization diversity analysis and positioning of any subscriber located in areas of service both for land-to-land and land-to-atmosphere communication links. The book includes clear descriptions of planning techniques for different integrated femto/pico/micro/macrocell deployments. The authors also examine new technologies of time and frequency dispersy and multiple-input and multiple-output (MIMO) modern network design in space and time domains. In addition, the text contains a discussion of a MIMO network based on multi-beam adaptive antennas. This important book: Provides an examination of current and modern wireless networks Describes various techniques of signal data capacity and spectral efficiency based on the universal stochastic approach Explains how usage of MIMO systems with adaptive multi-beam antennas increase the grade of service and quality of service of modern networks beyond 4-G Provides comparative analysis of depolarization effects and the corresponding path loss factor for rural, mixed residential, suburban, and urban land areas Written for students and instructors as well as designers and engineers of wireless communications systems, Wireless Networks Technologies offers a combination of physical and mathematical-statistical approaches to predict operational parameters of land-to-land and land-to-atmosphere personal and mobile wireless communication networks.
Fundamentals Of Ultra Dense Wireless Networks
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Author : David López-Pérez
language : en
Publisher:
Release Date : 2022
Fundamentals Of Ultra Dense Wireless Networks written by David López-Pérez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with TECHNOLOGY & ENGINEERING categories.
"Discover the fundamental characteristics of ultra-dense networks with this comprehensive text. Featuring a consistent mathematical description of ultra-dense small cell networks, whilst also covering real-world issues such as network deployment, operation and optimisation, it investigates performance metrics of coverage probability and area spectral efficiency (ASE), and addresses the aspects of ultra-dense networks that make them different from current networks. Insightful intuitions, which will assist decision makers as they migrate their services, are explained and mathematically proven. The book presents the latest review of research outcomes on ultra-dense networks, based on both theoretical analyses and network simulations, includes over 200 sources from 3GPP, the Small Cell Forum, journals and conference proceedings, and covers all other prominent topics. This is an ideal reference text for professionals who are dealing with the development, deployment, operation, and maintenance of ultra-dense small cell networks, as well as researchers and graduate students in communications"--
Advanced Wired And Wireless Networks
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Author : Tadeusz A. Wysocki
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-10-06
Advanced Wired And Wireless Networks written by Tadeusz A. Wysocki and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-06 with Computers categories.
In Part I, we bring ad-hoc networking closer to the reality of practical use. The focus is on more advanced scalable routing suitable for large networks, directed flooding useful in information dissemination networks, as well as self-configuration and security issues important in practical deployments. Part II illustrates the efforts towards development of advanced mobility support techniques (beyond traditional ""mobile phone net"") and Mobile IP technologies.
Stochastic Geometry Analysis Of Multi Antenna Wireless Networks
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Author : Xianghao Yu
language : en
Publisher: Springer
Release Date : 2019-03-27
Stochastic Geometry Analysis Of Multi Antenna Wireless Networks written by Xianghao Yu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-27 with Computers categories.
This book presents a unified framework for the tractable analysis of large-scale, multi-antenna wireless networks using stochastic geometry. This mathematical analysis is essential for assessing and understanding the performance of complicated multi-antenna networks, which are one of the foundations of 5G and beyond networks to meet the ever-increasing demands for network capacity. Describing the salient properties of the framework, which makes the analysis of multi-antenna networks comparable to that of their single-antenna counterparts, the book discusses effective design approaches that do not require complex system-level simulations. It also includes various application examples with different multi-antenna network models to illustrate the framework’s effectiveness.
Enhancing Multi User Wireless Networks With Pattern Reconfigurable Antennas
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Author : Simon Begashaw
language : en
Publisher:
Release Date : 2019
Enhancing Multi User Wireless Networks With Pattern Reconfigurable Antennas written by Simon Begashaw and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Antennas (Electronics) categories.
The explosive demand for high data rates and the need ubiquitous wireless connectivity has led to the phenomenon of network densification, the deployment of large number of base station within a geographic area. Since the radio spectrum is limited, wireless transmissions need to share a common resource which results in interference. Interference in turn creates a bottleneck on the communication rate. Recently three breakthroughs have been made to increase the capacity of wireless networks while mitigating interference : multiple input multiple output (MIMO) beamforming, interference alignment (IA) and pattern reconfigurable antennas (PRA). While a great deal of progress has been made on understanding each individually, relatively little is known about how to use these techniques in combination to increase system performance. In this dissertation, we analyze and experimentally evaluate how these new technologies can be leveraged to enhance the rate performance of communication networks. Specifically, we address three problems: i) enhancing multi-user MIMO performance with PRA, ii) improving IA performance with PRA-based antenna selection, and iii) enabling practical blind IA with PRA. To understand the impact PRAs on MU-MIMO and IA, it is necessary to evaluate their performance through measurements. Simulation-based studies often reiterate over set of simplistic channel models and unrealistic assumptions. This dissertation focuses on a measurement-based evaluation approach. For each of these problems, a hardware testbed implementation and measurement methodology is developed for evaluating the performance of the aforementioned technologies through efficient and repeatable experiments. The first two major contributions of this dissertation focus on multi-user MIMO (MU-MIMO) and IA. While the theoretical rate gains of MU-MIMO and IA are substantial, the performance gains in practical systems and measured channels have been limited. One of the key limiting factors are spatially correlated user channels. In this work, we propose MU-MIMO and IA transmission schemes that leverage the pattern diversity provided by PRAs to mitigate the effects of spatial correlation in wireless channels. PRAs are capable of dynamically adjusting their radiation pattern, providing an additional degree of freedom that can be exploited to improve MU-MIMO and IA performance by treating the array configuration and radiation characteristics as additional components in the joint optimization of adaptive system parameters. We quantify the benefits of pattern diversity on the rate performance of MU-MIMO and IA systems through extensive measurements. Furthermore, we develop efficient antenna mode selection algorithms to realize those benefits without increasing the system complexity or overhead, making these techniques suitable for practical implementation. The third contribution of this dissertation focuses on a transmission technique known as blind IA. In contrast to MU-MIMO and conventional IA, blind IA is signaling scheme that suppresses interference in multi-user systems, without the knowledge of channel state information at the transmitter (CSIT). The key to performing IA without CSIT is the use of PRAs that are capable of dynamically switching among a fixed number of radiation patterns to introduce artificial fluctuations in the channel. In this dissertation, we develop a novel implementation of a blind IA system on a software defined radio platform where each of the receivers is equipped with a PRA. Our work provides the first experimental evaluation of PRA-based blind IA schemes and demonstrates significant gains in rate and reliability over traditional orthogonal transmission schemes such as TDMA.