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Advanced Antenna Systems For 5g Network Deployments

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Advanced Antenna Systems for 5G Network Deployments

Advanced Antenna Systems for 5G Network Deployments Book
Author : Henrik Asplund,David Astely,Peter von Butovitsch,Thomas Chapman,Mattias Frenne,Farshid Ghasemzadeh,Måns Hagström,Billy Hogan,George Jöngren,Jonas Karlsson,Fredric Kronestedt,Erik Larsson
Publisher : Academic Press
Release : 2020-06-24
ISBN : 0128223863
Language : En, Es, Fr & De

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Book Description :

Advanced Antenna Systems for 5G Network Deployments: Bridging the Gap between Theory and Practice provides a comprehensive understanding of the field of advanced antenna systems (AAS) and how they can be deployed in 5G networks. The book gives a thorough understanding of the basic technology components, the state-of-the-art multi-antenna solutions, what support 3GPP has standardized together with the reasoning, AAS performance in real networks, and how AAS can be used to enhance network deployments. Explains how AAS features impact network performance and how AAS can be effectively used in a 5G network, based on either NR and/or LTE Shows what AAS configurations and features to use in different network deployment scenarios, focusing on mobile broadband, but also including fixed wireless access Presents the latest developments in multi-antenna technologies, including Beamforming, MIMO and cell shaping, along with the potential of different technologies in a commercial network context Provides a deep understanding of the differences between mid-band and mm-Wave solutions

Advanced Antenna Array Engineering for 6G and Beyond Wireless Communications

Advanced Antenna Array Engineering for 6G and Beyond Wireless Communications Book
Author : Yingjie Jay Guo,Richard W. Ziolkowski
Publisher : Wiley-IEEE Press
Release : 2021-06-16
ISBN : 9781119712909
Language : En, Es, Fr & De

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Book Description :

This book to describes solutions to challenges that researchers face in antenna design and installation for 5G and 6G. It begins with a review of popular multi-beam feed networks for 5G and the latest breakthroughs in 2D Butler matrix configurations and their realizations. The book then describes the published array decoupling and descattering methods to address problems of 4G/5G antenna collocation and present new solutions to the antenna pattern distortion. Next, the authors present a systematic study on differentially fed antenna arrays that are robust against interference caused by future multifunctional/multi-generation systems. The book also includes chapters on issues regarding reconfigurable leaky wave antennas. Finally, the book presents a number of novel algorithms for synthesizing and optimizing future arrays.

5G Physical Layer

5G Physical Layer Book
Author : Ali Zaidi,Fredrik Athley,Jonas Medbo,Ulf Gustavsson,Giuseppe Durisi,Xiaoming Chen
Publisher : Academic Press
Release : 2018-09-22
ISBN : 012814579X
Language : En, Es, Fr & De

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Book Description :

5G Physical Layer: Principles, Models and Technology Components explains fundamental physical layer design principles, models and components for the 5G new radio access technology – 5G New Radio (NR). The physical layer models include radio wave propagation and hardware impairments for the full range of frequencies considered for the 5G NR (up to 100 GHz). The physical layer technologies include flexible multi-carrier waveforms, advanced multi-antenna solutions, and channel coding schemes for a wide range of services, deployments, and frequencies envisioned for 5G and beyond. A MATLAB-based link level simulator is included to explore various design options. 5G Physical Layer is very suitable for wireless system designers and researchers: basic understanding of communication theory and signal processing is assumed, but familiarity with 4G and 5G standards is not required. With this book the reader will learn: The fundamentals of the 5G NR physical layer (waveform, modulation, numerology, channel codes, and multi-antenna schemes). Why certain PHY technologies have been adopted for the 5G NR. The fundamental physical limitations imposed by radio wave propagation and hardware impairments. How the fundamental 5G NR physical layer functionalities (e.g., parameters/methods/schemes) should be realized. The content includes: A global view of 5G development – concept, standardization, spectrum allocation, use cases and requirements, trials, and future commercial deployments. The fundamentals behind the 5G NR physical layer specification in 3GPP. Radio wave propagation and channel modeling for 5G and beyond. Modeling of hardware impairments for future base stations and devices. Flexible multi-carrier waveforms, multi-antenna solutions, and channel coding schemes for 5G and beyond. A simulator including hardware impairments, radio propagation, and various waveforms. Ali Zaidi is a strategic product manager at Ericsson, Sweden. Fredrik Athley is a senior researcher at Ericsson, Sweden. Jonas Medbo and Ulf Gustavsson are senior specialists at Ericsson, Sweden. Xiaoming Chen is a professor at Xi’an Jiaotong University, China. Giuseppe Durisi is a professor at Chalmers University of Technology, Sweden, and a guest researcher at Ericsson, Sweden.

5G Explained

5G Explained Book
Author : Jyrki T. J. Penttinen
Publisher : John Wiley & Sons
Release : 2019-02-20
ISBN : 1119275733
Language : En, Es, Fr & De

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Book Description :

Practical Guide Provides Students and Industry Professionals with Latest Information on 5G Mobile Networks Continuing the tradition established in his previous publications, Jyrki Penttinen offers 5G Explained as a thorough yet concise introduction to recent advancements and growing trends in mobile telecommunications. In this case, Penttinen focuses on the development and employment of 5G mobile networks and, more specifically, the challenges inherent in adjusting to new global standardization requirements and in maintaining a high level of security even as mobile technology expands to new horizons. The text discusses, for example, the Internet of Things (IoT) and how to keep networks reliable and secure when they are constantly accessed by many different devices with varying levels of user involvement and competence. 5G Explained is primarily designed for specialists who need rapid acclimation to the possibilities and concerns presented by 5G adoption. Therefore, it assumes some prior knowledge of mobile communications. However, earlier chapters are structured so that even relative newcomers will gain useful information. Other notable features include: Three modules each consisting of three chapters: Introduction, Technical Network Description and Planning of Security and Deployment Comprehensive coverage of topics such as technical requirements for 5G, network architecture, radio and core networks and services/applications Discussion of specific security techniques in addition to common-sense guidelines for planning, deploying, managing and optimizing 5G networks 5G Explained offers crucial updates for anyone involved in designing, deploying or working with 5G networks. It should prove a valuable guide for operators, equipment manufacturers and other professionals in mobile equipment engineering and security, network planning and optimization, and mobile application development, or anyone looking to break into these fields.

T Bytes Hybrid Cloud Infrastructure

T Bytes Hybrid Cloud Infrastructure Book
Author : IT-Shades
Publisher : EGBG Services LLC
Release : 2020-08-10
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This document brings together a set of latest data points and publicly available information relevant for Hybrid Cloud Infrastructure Industry. We are very excited to share this content and believe that readers will benefit from this periodic publication immensely.

Antennas and Propagation for 5G and Beyond

Antennas and Propagation for 5G and Beyond Book
Author : Qammer H. Abbasi,Syeda Fizzah Jilani,Akram Alomainy,Muhammad Ali Imran
Publisher : Institution of Engineering and Technology
Release : 2020-09-14
ISBN : 1839530979
Language : En, Es, Fr & De

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Book Description :

Transforming the way we live, work, and engage with our environment, 5G and beyond technologies will provide much higher bandwidth and connectivity to billions of devices. This brings enormous opportunities but of course the widespread deployment of these technologies faces challenges, including the need for reliable connectivity, a diverse range of bandwidths, dynamic spectrum sharing, channel modelling and wave propagation for ultra-dense wireless networks, as well as price pressures. The choice of an antenna system will also be a critical component of all node end devices and will present several design challenges such as size, purpose, shape and placement. In this edited book, the authors bring new approaches for exploiting challenging propagation channels and the development of efficient, cost-effective, scalable, and reliable antenna systems and solutions, as well as future perspectives. The book is aimed at a wide audience of industry and academic researchers, scientists and engineers as well as advanced students in the field of antennas, ICTs, signal processing and electromagnetics. It will also be useful to network and system designers, developers and manufacturers. Stakeholders, government regulators, policy makers and standards bodies can use the information provided here to better understand the effects of the technology on the market and future developments for 5G and beyond systems and networks.

5G Physical Layer

5G Physical Layer Book
Author : Ali Zaidi,Fredrik Athley,Jonas Medbo,Giuseppe Durisi,Ulf Gustavsson,Xiaoming Chen
Publisher : Academic Press
Release : 2018-08
ISBN : 9780128145784
Language : En, Es, Fr & De

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Book Description :

5G Physical Layer: Principles, Models and Technology Components gives telecommunication engineers knowledge of the principles and technology of the 5G physical layer, along with a simulator to explore different models when designing a base station and devices. Provides a unique focus on the design principles of the 5G Physical Layer Gives details on propagation, channel and hardware impairment models Includes a MATLAB based simulator, providing selected demos and exercises

5G Radio Access Network Architecture

5G Radio Access Network Architecture Book
Author : Sasha Sirotkin
Publisher : John Wiley & Sons
Release : 2020-12-07
ISBN : 1119550882
Language : En, Es, Fr & De

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Book Description :

Discover how the NG-RAN architecture is, and isn't, ready for the challenges introduced by 5G 5G Radio Access Network Architecture: The Dark Side of 5G explores foundational and advanced topics in Radio Access Network (RAN) architecture and why a re-thinking of that architecture is necessary to support new 5G requirements. The distinguished engineer and editor Sasha Sirotkin has included numerous works written by industry insiders with state of the art research at their disposal. The book explains the relevant standards and technologies from an academic perspective, but also explains why particular standards decisions were made and how a variety of NG-RAN architecture options could be deployed in real-life networks. All major standards and technologies associated with the NG-RAN architecture are discussed in this book, including 3GPP, O-RAN, Small Cell Forum, IEEE, and IETF. Readers will learn about how a re-design of the RAN architecture would ensure that 5G networks can deliver their promised throughput and low latency KPIs consistently and sustainably. The book is structured as follows: An overview of the market drivers of the NG-RAN architecture, like spectrum models, 5G-relevant regulatory considerations, and 5G radio interface technical requirements An overview of the 5G System, from the core network, to the RAN, to the radio interface protocols and physical layer, with emphasis on how these are different compared to 4G Release-15 RAN architectures defined in 3GPP, O-RAN, and Small Cell Forum RAN architecture evolution in Release-16 and Release-17 Enabling technologies, like virtualization, open source technologies, multi-access edge (MEC) computing, and operations, administration, and management (OAM) NG-RAN deployment considerations, objectives, and challenges, like costs, spectrum and radio propagation considerations, and coverage Perfect for network designers and operators who require a solid understanding of the NG-RAN architecture, 5G Radio Access Network Architecture also belongs on the bookshelves of network engineers who aim to increase their understanding of the standards and technologies relevant to the NG-RAN architecture.

LTE Advanced

LTE Advanced Book
Author : Sassan Ahmadi
Publisher : Academic Press
Release : 2013-10-10
ISBN : 0124051782
Language : En, Es, Fr & De

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Book Description :

This book is an in-depth, systematic and structured technical reference on 3GPP's LTE-Advanced (Releases 10 and 11), covering theory, technology and implementation, written by an author who has been involved in the inception and development of these technologies for over 20 years. The book not only describes the operation of individual components, but also shows how they fit into the overall system and operate from a systems perspective. Uniquely, this book gives in-depth information on upper protocol layers, implementation and deployment issues, and services, making it suitable for engineers who are implementing the technology into future products and services. Reflecting the author's 25 plus years of experience in signal processing and communication system design, this book is ideal for professional engineers, researchers, and graduate students working in cellular communication systems, radio air-interface technologies, cellular communications protocols, advanced radio access technologies for beyond 4G systems, and broadband cellular standards. An end-to-end description of LTE/LTE-Advanced technologies using a top-down systems approach, providing an in-depth understanding of how the overall system works Detailed algorithmic descriptions of the individual components’ operation and inter-connection Strong emphasis on implementation and deployment scenarios, making this a very practical book An in-depth coverage of theoretical and practical aspects of LTE Releases 10 and 11 Clear and concise descriptions of the underlying principles and theoretical concepts to provide a better understanding of the operation of the system’s components Covers all essential system functionalities, features, and their inter-connections based on a clear protocol structure, including detailed signal flow graphs and block diagrams Includes methodologies and results related to link-level and system-level evaluations of LTE-Advanced Provides understanding and insight into the advanced underlying technologies in LTE-Advanced up to and including Release 11: multi-antenna signal processing, OFDM, carrier aggregation, coordinated multi-point transmission and reception, eICIC, multi-radio coexistence, E-MBMS, positioning methods, real-time and non-real-time wireless multimedia applications

5G

5G Book
Author : Sassan Ahmadi
Publisher : Academic Press
Release : 2018-11-15
ISBN : 9780081022672
Language : En, Es, Fr & De

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Book Description :

5G: Architecture, Technology, Implementation, and Operation of 3GPP New Radio Standards is an in-depth, systematic and structured technical reference on 3GPP's New Radio standards (Release 15 and beyond), covering underlying theory, technology and implementation of the new 5G radio interface. The book describes the operation of individual components and shows how they fit into the overall system and operate from a systems perspective. Uniquely, this book gives detailed information on upper RAN protocol layers, network architecture and services, implementation and deployment issues, and applications, making it suitable for engineers who are developing 5G products and services. Reflecting on the author's 30-plus years of experience in signal processing and wireless communication system design, this book is ideal for professional engineers, researchers and graduate students working and researching in cellular communication systems, radio air-interface technologies, cellular communications protocols, advanced radio access technologies for 5G systems, and broadband cellular standards Written by a single author who has been involved in the inception and development of 3GPP 4G and 5G technologies for over 20 years Explains how individual components are interrelated and interoperate to make a complete system Covers all system functionalities, features, and their interoperation based on a clear protocol structure Provides sections on network slicing, SDN/NFV/MEC networks, massive MIMO, mmWave and cloud and virtualized RAN implementations Includes a strong focus on implementation and deployment issues

HSPA Evolution

HSPA Evolution Book
Author : Thomas Chapman,Erik Larsson,PETER von Wrycza,Erik Dahlman,Stefan Parkvall,Johan Skold
Publisher : Academic Press
Release : 2014-11-24
ISBN : 0128004347
Language : En, Es, Fr & De

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Book Description :

This book is essential reading for those wishing to obtain a systems perspective and a broad view on the background, performance and application of the latest developments in HSPA in the context of the demands on today’s mobile broadband devices and networks. It takes the reader behind the scenes of 3GPP and provides an easily accessible understanding of the basic principles, the latest steps in the standard’s evolution, and the motivations behind the development of standardized features. It covers important topics such as smartphone related features, multi-carrier and multi-antenna operation, interface architecture, heterogeneous networks and HSPA system performance. Offering full coverage of recent developments in HSPA up to Release 13, this book will provide a comprehensive description of one of the dominating standards for mobile broadband. With this book, you will: Get a guided and consistent tour through the evolutionary stages of HSPA Gain an understanding of the 3GPP standardization process, the driving forces behind it, and the need for evolution Learn about the fundamental technology components of a modern wireless communication system, such as basic link level architecture, cellular system behavior, traffic management and scheduling and system management Learn in detail the features of the latest HSPA development up to Release 13 Gain a deep insight into the means by which HSPA performance can be simulated and characterized, the factors that drive the performance of networks and user experience, and the performance expectations for the technology Obtain insight into the telecommunications market and its evolution Learn about current trends and the future direction of HSPA A full insight into the 3GPP and regulatory standardisation processes and the factors that drive evolution of the specification A walk through of the fundamental technology principles that lie behind HSPA A structured overview of the WCDMA/HSPA feature set, offering insider coverage starting from the core release 5/6 technologies and reviewing each of the added features up to and including the most recent developments in the area An overview of the frequency bands available for HSPA An insight into the radio performance requirements, their background and implications for mobiles and networks A tutorial on simulation principles for HSPA A description of the performance of HSPA features within the context of a tutorial on the factors that drive performance

Engineering Wireless based Software Systems and Applications

Engineering Wireless based Software Systems and Applications Book
Author : Jerry Gao,Simon Shim,Hsing Mei,Xiao Su
Publisher : Artech House Publishers
Release : 2006
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This comprehensive resource offers professionals detailed guidance on the engineering aspects of building software for wireless communications. From design and architecture to security and testing, the book shows how to overcome every engineering challenge encountered in successfully developing wireless software.

Introduction to Mobile Network Engineering GSM 3G WCDMA LTE and the Road to 5G

Introduction to Mobile Network Engineering  GSM  3G WCDMA  LTE and the Road to 5G Book
Author : Alexander Kukushkin
Publisher : John Wiley & Sons
Release : 2018-09-04
ISBN : 1119484170
Language : En, Es, Fr & De

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Book Description :

Summarizes and surveys current LTE technical specifications and implementation options for engineers and newly qualified support staff Concentrating on three mobile communication technologies, GSM, 3G-WCDMA, and LTE—while majorly focusing on Radio Access Network (RAN) technology—this book describes principles of mobile radio technologies that are used in mobile phones and service providers’ infrastructure supporting their operation. It introduces some basic concepts of mobile network engineering used in design and rollout of the mobile network. It then follows up with principles, design constraints, and more advanced insights into radio interface protocol stack, operation, and dimensioning for three major mobile network technologies: Global System Mobile (GSM) and third (3G) and fourth generation (4G) mobile technologies. The concluding sections of the book are concerned with further developments toward next generation of mobile network (5G). Those include some of the major features of 5G such as a New Radio, NG-RAN distributed architecture, and network slicing. The last section describes some key concepts that may bring significant enhancements in future technology and services experienced by customers. Introduction to Mobile Network Engineering: GSM, 3G-WCDMA, LTE and the Road to 5G covers the types of Mobile Network by Multiple Access Scheme; the cellular system; radio propagation; mobile radio channel; radio network planning; EGPRS - GPRS/EDGE; Third Generation Network (3G), UMTS; High Speed Packet data access (HSPA); 4G-Long Term Evolution (LTE) system; LTE-A; and Release 15 for 5G. Focuses on Radio Access Network technologies which empower communications in current and emerging mobile network systems Presents a mix of introductory and advanced reading, with a generalist view on current mobile network technologies Written at a level that enables readers to understand principles of radio network deployment and operation Based on the author’s post-graduate lecture course on Wireless Engineering Fully illustrated with tables, figures, photographs, working examples with problems and solutions, and section summaries highlighting the key features of each technology described Written as a modified and expanded set of lectures on wireless engineering taught by the author, Introduction to Mobile Network Engineering: GSM, 3G-WCDMA, LTE and the Road to 5G is an ideal text for post-graduate and graduate students studying wireless engineering, and industry professionals requiring an introduction or refresher to existing technologies.

4G LTE LTE Advanced for Mobile Broadband

4G  LTE LTE Advanced for Mobile Broadband Book
Author : Erik Dahlman,Stefan Parkvall,Johan Skold
Publisher : Academic Press
Release : 2013-12-20
ISBN : 9780124199859
Language : En, Es, Fr & De

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Book Description :

This book focuses on LTE with full updates including LTE-Advanced (Release-11) to provide a complete picture of the LTE system. Detailed explanations are given for the latest LTE standards for radio interface architecture, the physical layer, access procedures, broadcast, relaying, spectrum and RF characteristics, and system performance. Key technologies presented include multi-carrier transmission, advanced single-carrier transmission, advanced receivers, OFDM, MIMO and adaptive antenna solutions, radio resource management and protocols, and different radio network architectures. Their role and use in the context of mobile broadband access in general is explained, giving both a high-level overview and more detailed step-by-step explanations. This book is a must-have resource for engineers and other professionals in the telecommunications industry, working with cellular or wireless broadband technologies, giving an understanding of how to utilize the new technology in order to stay ahead of the competition. New to this edition: In-depth description of CoMP and enhanced multi-antenna transmission including new reference-signal structures and feedback mechanisms Detailed description of the support for heterogeneous deployments provided by the latest 3GPP release Detailed description of new enhanced downlink control-channel structure (EPDDCH) New RF configurations including operation in non-contiguous spectrum, multi-bands base stations and new frequency bands Overview of 5G as a set of well-integrated radio-access technologies, including support for higher frequency bands and flexible spectrum management, massive antenna configurations, and ultra-dense deployments Covers a complete update to the latest 3GPP Release-11 Two new chapters on HetNet, covering small cells/heterogeneous deployments, and CoMP, including Inter-site coordination Overview of current status of LTE release 12 including further enhancements of local-area, CoMP and multi-antenna transmission, Machine-type-communication, Device-to-device communication

5G System Design

5G System Design Book
Author : Wan Lei,Anthony C.K. Soong,Liu Jianghua,Wu Yong,Brian Classon,Weimin Xiao,David Mazzarese,Zhao Yang,Tony Saboorian
Publisher : Springer Nature
Release : 2019-09-09
ISBN : 3030222365
Language : En, Es, Fr & De

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Book Description :

This book presents a detailed pedagogical description of the 5G commercial wireless communication system design, from an end to end perspective. It compares and contrasts NR with LTE, and gives a concise and highly accessible description of the key technologies in the 5G physical layer, radio access network layer protocols and procedures. This book also illustrates how the 5G core and EPC is integrated into the radio access network, how virtualization and edge computer fundamentally change the way users interact with the network, as well as 5G spectrum issues. This book is structured into six chapters. The first chapter reviews the use cases, requirements, and standardization organization and activities for 5G. These are 5G requirements and not NR specifically, as technology that meets the requirements, may be submitted to the ITU as 5G technology. This includes a set of Radio Access Technologies (RATs), consisting of NR and LTE; with each RAT meeting different aspects of the requirements. The second chapter describes the air interface of NR and LTE side by side. The basic aspects of LTE that NR builds upon are first described, followed by sections on the NR specific technologies, such as carrier/channel, spectrum/duplexing (including SUL), LTE/NR co-existence and new physical layer technologies (including waveform, Polar/LDPC codes, MIMO, and URLLC/mMTC). In all cases the enhancements made relative to LTE are made apparent. The third chapter contains descriptions of NR procedures (IAM/Beam Management/Power control/HARQ), protocols (CP/UP/mobility, including grant-free), and RAN architecture. The fourth chapter includes a detailed discussion related to end-to-end system architecture, and the 5G Core (5GC), network slicing, service continuity, relation to EPC, network virtualization, and edge computing. The fifth and major chapter describes the ITU submission and how NR and LTE meet the 5G requirements in significant detail, from the rapporteur responsible for leading the preparation and evaluation, as well as some field trial results. Engineers, computer scientists and professionals with a passing knowledge of 4G LTE and a comprehensive understanding of the end to end 5G commercial wireless system will find this book to be a valuable asset. Advanced-level students and researchers studying and working in communication engineering, who want to gain an understanding of the 5G system (as well as methodologies to evaluate features and technologies intended to supplement 5G) will also find this book to be a valuable resource.

5G Mobile Communications

5G Mobile Communications Book
Author : Saad Asif
Publisher : CRC Press
Release : 2018-07-20
ISBN : 0429881347
Language : En, Es, Fr & De

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Book Description :

This book will help readers comprehend technical and policy elements of telecommunication particularly in the context of 5G. It first presents an overview of the current research and standardization practices and lays down the global frequency spectrum allocation process. It further lists solutions to accommodate 5G spectrum requirements. The readers will find a considerable amount of information on 4G (LTE-Advanced), LTE-Advance Pro, 5G NR (New Radio); transport network technologies, 5G NGC (Next Generation Core), OSS (Operations Support Systems), network deployment and end-to-end 5G network architecture. Some details on multiple network elements (end products) such as 5G base station/small cells and the role of semiconductors in telecommunication are also provided. Keeping trends in mind, service delivery mechanisms along with state-of-the-art services such as MFS (mobile financial services), mHealth (mobile health) and IoT (Internet-of-Things) are covered at length. At the end, telecom sector’s burning challenges and best practices are explained which may be looked into for today’s and tomorrow’s networks. The book concludes with certain high level suggestions for the growth of telecommunication, particularly on the importance of basic research, departure from ten-year evolution cycle and having a 20–30 year plan. Explains the conceivable six phases of mobile telecommunication’s ecosystem that includes R&D, standardization, product/network/device & application development, and burning challenges and best practices Provides an overview of research and standardization on 5G Discusses solutions to address 5G spectrum requirements while describing the global frequency spectrum allocation process Presents various case studies and policies Provides details on multiple network elements and the role of semiconductors in telecommunication Presents service delivery mechanisms with special focus on IoT

Coordination Strategies for Interference Management in MIMO Dense Cellular Networks

Coordination Strategies for Interference Management in MIMO Dense Cellular Networks Book
Author : Sandra Lagén Morancho
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The envisioned rapid and exponential increase of wireless data traffic demand in the next years imposes rethinking current cellular networks due to the available spectrum scarcity. In this regard, 3 main drivers are considered to increase the capacity of today's most advanced (4G) and future (5G and beyond) cellular networks: use more bandwidth (more Hz) through spectral aggregation, enhance the spectral efficiency per base station (BS) (more bits/s/Hz/BS) by using multi-antenna (i.e. MIMO) systems, and increase the density of BSs (more BSs/km2) through a dense and heterogeneous deployment. We focus on the last 2 drivers. First, the use of MIMO systems allows exploiting the spatial dimension for improving the capacity of a conventional point-to-point link, increasing the number of served users, and reducing unwanted emissions (interference). Second, dense heterogeneous networks are a simple and cost-effective way to boost the area spectral efficiency by densifying the network and improving the spatial re-use of the spectrum. However, increasing the BSs density entails two main technical challenges: the interference increases because neighboring BSs/users are nearer and the amount of data traffic, as well as downlink (DL) and uplink (UL) traffic asymmetry, varies over space and time more drastically since the number of users per BS is reduced. The increase of interference makes the development of efficient interference management techniques a key enabler for MIMO dense heterogeneous networks. On the other hand, the variability of the per-BS traffic amount and the DL/UL traffic asymmetry convert flexible duplexing (i.e. flexible allocation of DL/UL resources per BS) into a necessity for an efficient resource usage. Therefore, the development of resource management schemes capable of adapting to the varying traffic load, as well as interference management, becomes crucial. Accordingly, this thesis focuses on the development of advanced interference management techniques to deal with inter-cell interference in MIMO dense networks and on the design of traffic- and interference-aware resource management schemes for flexible duplexing systems in asymmetric traffic conditions. To these goals, the wide deployment of MIMO systems is capitalized to develop advanced multi-antenna signal processing techniques when full reuse of time and frequency resources among densely deployed BSs is adopted. In the first part, different statistical characterizations of the transmitted signals are analyzed to improve the capacity of wireless interference-limited MIMO channels. Advanced signaling schemes are developed and the use of improper Gaussian signaling (IGS) is investigated, which allows exploiting the real and imaginary dimensions of MIMO channels. Majorization theory is exploited to demonstrate the strict superiority of IGS. In the second part, transmit coordination strategies are proposed to manage interference in extremely dense cellular networks. The design of BSs transmit strategies (involving design of spatial transmit/receive filters, power control, and user scheduling) is coordinated to optimize different network functions while reducing the stringent requirements needed for channel estimation in dense networks. Coordination strategies for the case in which different signaling schemes coexist in the network are also derived. Further, coordination strategies for cluster-based joint transmissions are developed, where BSs are grouped into clusters and different clusters interfere to each other. The third part focuses on the design of traffic- and interference-aware duplexing techniques to make a better use of the available resources by taking into account the asymmetric traffic conditions that arise in dense networks and managing the new kinds of interference that come up under flexible duplexing. Short-term and long-term optimizations are investigated, being therefore the interference managed instantaneously and statistically, respectively.

Rolling Out 5G

Rolling Out 5G Book
Author : Biljana Badic,Christian Drewes,Ingolf Karls,Markus Mueck
Publisher : Apress
Release : 2016-06-02
ISBN : 1484215060
Language : En, Es, Fr & De

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Book Description :

Examine the challenges of 4G in the light of impending and crucial future communication needs, and review the lessons learned from an implementation and system operation perspective with an eye towards the next generation – 5G. You'll investigate key changes and additions to 5G in terms of use cases. You'll also learn about the applications for and explorations of the technology. Among all of the technological disruptions, two stand out in particular – mmWave and spectrum sharing technologies. Rolling Out 5G features detailed coverage of these two critical topics, and for the first time among 5G learning resources presents a holistic perspective on key ingredients for mobile communication in a 5G world. The authors represent highly experienced experts with valuable know-how in the field of wireless communications related research projects defining future technological trends. This unique group of talents will be able to consider the 5G technology evolution from all angles mentioned: long-term research, standardization and regulation, product design and marketization. This approach allows this much-needed book to capture the views of all key decision making stake-holders involved in the 5G definition process, and to serve readers in their roles connected with wireless communication's next generation of products and services. What You'll Learn See how 5G is expected to overcome 4G insufficiencies and challenges Examine expected 5G features, including usage of millimeter wave communication and licensed shared access Review key milestones of the next generation wireless communication technology including key standardization and regulation bodies Study new technologies and upcoming changes in feature sets and client expectations. Who This Book Is For Engineers of mobile device and infrastructure manufacturing industries, development engineers of semiconductor manufacturing industries, and engineers with a general interest in the field. Mobile network operators, along with students and business professionals in the telecommunications domain will also find the topic of interest.

Northern African Wireless Communications

Northern African Wireless Communications Book
Author : Anonim
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Northern African Wireless Communications book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

4G LTE LTE Advanced for Mobile Broadband

4G  LTE LTE Advanced for Mobile Broadband Book
Author : Erik Dahlman,Stefan Parkvall,Johan Skold
Publisher : Academic Press
Release : 2013-10-07
ISBN : 0124199976
Language : En, Es, Fr & De

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Book Description :

This book focuses on LTE with full updates including LTE-Advanced (Release-11) to provide a complete picture of the LTE system. Detailed explanations are given for the latest LTE standards for radio interface architecture, the physical layer, access procedures, broadcast, relaying, spectrum and RF characteristics, and system performance. Key technologies presented include multi-carrier transmission, advanced single-carrier transmission, advanced receivers, OFDM, MIMO and adaptive antenna solutions, radio resource management and protocols, and different radio network architectures. Their role and use in the context of mobile broadband access in general is explained, giving both a high-level overview and more detailed step-by-step explanations. This book is a must-have resource for engineers and other professionals in the telecommunications industry, working with cellular or wireless broadband technologies, giving an understanding of how to utilize the new technology in order to stay ahead of the competition. New to this edition: In-depth description of CoMP and enhanced multi-antenna transmission including new reference-signal structures and feedback mechanisms Detailed description of the support for heterogeneous deployments provided by the latest 3GPP release Detailed description of new enhanced downlink control-channel structure (EPDDCH) New RF configurations including operation in non-contiguous spectrum, multi-bands base stations and new frequency bands Overview of 5G as a set of well-integrated radio-access technologies, including support for higher frequency bands and flexible spectrum management, massive antenna configurations, and ultra-dense deployments Covers a complete update to the latest 3GPP Release-11 Two new chapters on HetNet, covering small cells/heterogeneous deployments, and CoMP, including Inter-site coordination Overview of current status of LTE release 12 including further enhancements of local-area, CoMP and multi-antenna transmission, Machine-type-communication, Device-to-device communication