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Radio Protocols For Lte And Lte-advanced Ebook Download


R&D engineers working in cellular communication systems, radio air-interface technologies, cellular telecommunication protocols, advanced radio access technologies for 4G/5G systems, or broadband cellular standards. Post graduate students and university researchers in mobile and wireless communications




radio protocols for lte and lte-advanced ebook download



Giving readers a valuable understanding of LTE radio protocols, this book covers LTE (Long-Term Evolution) Layer 2/3 radio protocols as well as new features including LTE-Advanced. It is divided into two sections to differentiate between the two technologies' characteristics. The authors systematically explain the design principles and functions of LTE radio protocols during the development of mobile handsets. The book also provides essential knowledge on the interaction between mobile networks and mobile handsets.


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.


This book begins with an introduction to the LTE-Advanced/IMT-Advanced systems and an overview of the 3GPP standards evolution and standardization process. The unique, top-down systems approach taken in this book necessitates beginning with the review of the overall network architecture and later examination of each and every significant network element in the evolved packet system (EPS) in Chapter 2. Once the access network and core network aspects of the LTE/LTE-Advanced systems are described, we turn our attention to the reference model and protocol structure of LTE/LTE-Advanced and discuss the operation and behavior of each entity (base station, mobile station, femto-cells, and relay stations) as well as functional components and their interactions, logical interfaces, protocol stack, and protocol terminations in Chapter 3. The remaining chapters of this book are organized consistently with the order of the protocol layers on the user-plane and control-plane, starting from the network layer and moving down to the physical layer. Each protocol layer has been described in a separate chapter in order for the readers to clearly understand the functions and operation of each layer. The overall operation of the mobile station and the base station and their corresponding state machines are described in Chapter 4. Perhaps, this chapter is the most important part of the book as far as understanding the general operation of the system is concerned. Chapter 5 describes the radio resource control functions and protocols. The packet data convergence protocol, radio link control, and medium access control sublayers are described in Chapters 6, 7, and 8, respectively. The description of downlink and uplink physical layer algorithms and protocols has been divided into two separate parts (Chapters 9 and 10) for further clarity and structure. There are many commonalities between LTE Rel-8, 9, 10, and 11; however, release-specific features/functionalities, algorithms, or protocols which have been introduced in subsequent releases are clearly distinguished in the content so that they are not confused with the legacy components throughout the book. In this book, the term E-UTRA or LTE refers to both LTE and LTE-Advanced radio access technologies everywhere except where the feature or functionality does not exist or is not supported in the previous releases. The performance evaluation of LTE-Advanced against IMT-Advanced requirements is described in Chapter 11 where the performance metrics are defined and link-level and system-level simulation methodologies and parameters are elaborated. The theory and operation of LTE Rel-11 coordinated multi-point transmission/reception and LTE Rel-10/11 carrier aggregation schemes are described in Chapters 12 and 13. Multi-radio coexistence and enhanced inter-cell interference coordination techniques used in LTE Rel-10/11 are described in Chapter 14. In Chapter 15, we describe the positioning methods and evolved multimedia broadcast/multicast services. Each chapter contains a theoretical description of the features/functions and scrutinizes the real-life and practical implementation and deployment issues and remedies.


SeungJune Yi, SungDuck Chun, YoungDae Lee, SungJun Park and SungHoon Jung, all of LG ElectronicsThe author team have been working on radio protocol standards in 3GPP (3rd Generation Partnership Project) for more than 10 years. Their major work is standardization of Layer2/3 radio protocols covering various 3GPP systems like UMTS, HSPA, LTE, and LTE-Advanced. They have also participated in writing the book LTE, The UMTS Long Term Evolution: From Theory To Practice, edited by Stefania Sesia, as section authors for "User Plane Protocols". YoungDae Lee was the rapporteur of TR25.905 Improvement of Multimedia Broadcast / Multicast Service (MBMS) in UTRAN. SeungJune Yi is currently the rapporteur of TS36.323 LTE PDCP specification.


These are the peak data speeds that the network can theoretically generate, but due to the nature of the radio signal, e.g. path loss and multiple users accessing the network simultaneously, the peak speeds are never achieved in real life. The average download speeds with LTE are considerably lower, which you can read about in our dedicated post on average LTE and LTE-Advanced speeds.


EPS fallback represents a change of two connections. With respect to the connection to the core network, voice packets and protocols switch from the 5GC to the EPS. With respect to the radio interface connection, a handover from 5G NR to LTE takes place. RAT-fallback maintains the connection to the 5GC but changes the 5G NR RAT to LTE. A third possible implementation of voice services incorporates an enhancement of the existing LTE base station architecture. The legacy eNB will be extended to a next generation NodeB (ng-eNB). The ng-eNB uses the 5G protocol layer PDCP instead of the LTE protocol layer PDCP, but the underlaying radio protocols are still LTE-based. Compared to a VoLTE connection, the advantage with this approach is that there will be an end-to-end voice connection with sustaining of the QoS profile, otherwise a mapping from LTE QoS to 5G QoS within the network is required. 350c69d7ab


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