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Computer and Network Administration

Cellular/Mobile Wireless 3

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  • Overview

    This course is the third in a series about mobile cellular networking and standards. The first section of this course begins with an in-depth tutorial on RF signal propagation, fundamentals of how an antenna is used to transmit and receive signals.
    Multiple antenna techniques and antenna diversity have been incorporated into both mobile cellular and Wireless LAN (WLAN) standards, and since have become critical to achieving the goals of greater spectral efficiency and higher data rate transmissions. Therefore, it is important to understand how these technologies function as well, of which is the focus of section two.
    Section three homes in on the existing 4G Long Term Evolution (LTE) standards, which represents the technology in most cellular networks deployed throughout the world. This begins with definitions of terms used in LTE networks. Particular attention is paid to the separation of the user and control planes in the evolved packet core, covers the OFDMA air interface design and concludes with how LTE networks will evolve into 5th generation networks.
    Over the last decade, many significant advances have been made in cellular technologies, and standards have been crafted to bring them to the forefront. Section 4 focuses on four major technology advances that have been made. The first part is on the packet optical network standards used in the backhaul and core networks. The second part involves the evolution of standalone base stations to incorporating fronthaul connections with Centralized RAN architecture, advancing through the two most recent stages of Cloud RAN (C-RAN) and Heterogeneous CRAN (H-CRAN). the third part covers the use of small cells to increase coverage and density. The fourth part provides an overview of the Self Organizing Network (SON) standards used to provide a high degree of automation in today’s mobile cellular networks.
    Finally, section five provides a detailed introduction to 5G networks, which is still a development in progress. The system architecture will be presented, and the New Radio (NR) access network will be defined. This presentation includes the ITU-R’s vision for 5G and how that will be achieved using the 5G Service Based Architecture (SBA).

  • Who Should Take This Course

    Prerequisites

    This is the final course in the series focused on mobile cellular networks and standards. The topics include Advanced Antenna Systems (AAS), Long Term Evolution (LTE) standards and network architecture, and 5G networks. Therefore, it is essential to have a firm grasp of packet networks and mobile cellular technology before attending this class.

    It is highly recommended that the student attends the first two courses, Mobile Wireless Cellular Communications 1 and 2, and have obtained a high level of comprehension. It is also important that the student have an in-depth knowledge of communications packet networking protocols. It is also recommended that the student has a clear understanding of radio propagation techniques, of which the first two courses will provide.

  • Why You Should Take This Course

    Upon completion of this course, students will be able to:

    • Determine the value of an antenna system or array based on its design
    • List the techniques used at cell sites to improve the coverage and capacity of a mobile network
    • Determine how Advanced Antenna Systems (AAS) utilize multiple antenna techniques and antenna diversity to achieve beam forming and higher signal resolution
    • Differentiate between analog and digital beamforming using MIMO
    • Compare and contrast the differences between and benefits of spatial diversity and spatial multiplexing
    • Interpret the impact for the introduction of the ITU-R’s IMT-Advanced: 4G requirements
    • Evaluate the impact of the two proposal responses for 4G: LTE-Advanced and Wireless MAN Advanced
    • List the requirements of 4G mobile cellular, according to the ITU-R’s IMT-Advanced requirements
    • Summarize the modifications to the system architecture for LTE-Advanced, compared with Rel. 8
    • Analyze the evolved UTRAN architecture, defining the improved characteristics over pre-4G LTE
    • Relate the Evolved Packet Core (EPC) enhancements of LTE-Advanced to improved service capabilities
    • Evaluate the architecture of LTE-Advanced networks and list enhanced capabilities
    • Define the LTE communication protocols used by the signaling and control planes
    • List the LTE security procedures for the network access and network domain
    • Define the different elements of LTE mobility: idle mode, X2 and S1 handover
    • Describe the interworking functions between LTE-Advanced and UMTS/GPRS networks
    • Distinguish the modifications in mobile backhaul technologies with LTE-Advanced
    • List the technologies involved in the advancements of the mobile core network and backhaul transmission
    • Describe the significant innovations in RAN technology that have evolved from the standalone base stations to heterogeneous cloud RANs (H-CRANs)
    • Provide a summary of the techniques using small cell networks to increase coverage and density for mobile subscribers
    • List the key advantages of Self Organizing Network (SON) standards, and demonstrate why they have such a major impact on our existing mobile cellular networks
    • Investigate the enhancements of LTE-Advanced Pro; the 3GPPs path toward 5G
    • Understand the technologies and resulting services that will be incorporated into 5G networks
    • Define the changes to the LTE network architecture to support LTE-Advanced Pro (4.5G)
    • Discover the technologies being developed to support the cellular Internet of Things (IoT)
    • List the major specifications that define the ITU-R’s IMT-2020 requirements for 5G
    • Define the network components of a 5G network
  • Schedule
  • Course Outline

    1. Fundamentals Antennas and RF Signal Propagation

    a. Antenna Polarization

    i. Horizontal

    ii. Vertical

    b. Signal Gain: Active vs. Passive Components

    c. Using Antennas to Achieve Signal Gain

    d. Adding Antenna Sectors to Increase Network Capacity

    e. Signal Directivity

    f. Antenna Tilt

    g. How Antenna Down-Tilt is Used

    2. Multiple Antenna Techniques & Antenna Diversity

    a. Multiple Antenna Techniques

    b. Antenna Diversity Techniques in Mobile Cellular

    c. Spatial Diversity Techniques for Receive and Transmit

    d. Combining Spatial Diversity with Signal Directivity

    e. Polarization Diversity: 2G Cellular

    f. Benefits of Cross-Polarized Antennas

    g. Different Formats of Antenna Technology

    h. MISO and SIMO Antenna Formats

    i. Multiple-Input Multiple-Output (MIMO): Two Techniques used to Improve Communications Performance

    i. Spatial Diversity: Combating Multipath Scattering with MIMO

    ii. Spatial Multiplexing (SM): Increasing Channel Capacity with MIMO

    j. Introduction to Smart Antenna Systems

    i. Switched Beam (Smart Antenna) Systems

    ii. Human Analogy to Antenna Beamforming

    iii. Adaptive Array Systems (AAS): Adaptive Beamforming

    iv. Space Division Multiple Access (SDMA)

    v. Analog Beamforming with MIMO

    vi. Digital Beamforming with MIMO

    k. Enhanced MIMO Transmission Techniques in 4G LTE

    i. MIMO Antenna Arrays for LTE and 5G

    ii. Single User (SU) versus Multi-User (MU) MIMO

    iii. Increasing Cell Density and Capacity with Existing Spectrum

    3. Long Term Evolution (LTE) and 4G LTE-Advanced (LTE-A)

    a. Summary of 3GPP Releases from UMTS/WCDMA to LTE

    b. Definitions for Long Term Evolution (LTE) Terms

    c. Evolved Packet System (EPS) Architecture

    d. Adding LTE/SAE Architecture to Existing 2G/3G Network

    e. Evolved Packet Core (EPC) Nodes: User Plane (UP)

    f. Evolved Packet Core (EPC) Nodes: Control Plane (CP)

    g. Migration to Mobile Packet Core Networks

    h. LTE Bearer Service Architecture

    i. E-UTRAN Stack: Protocol Layers Overview

    j. Mobility Management Entity (MME) & Serving Gateway (SGW)

    k. LTE Radio Access Network (RAN)

    l. OFDM Signal Generation

    m. Air Interfaces: Orthogonal Frequency Division Multiple Access (OFDMA)

    n. Physical Node Consolidation: Examples of Mobile Gateways

    o. Introduction to Internetwork Packet eXchange (IPX)

    p. IP Exchange (IPX) Solution for Next Generation (NG) IP Service Interconnection

    q. 3GPP: Timetable for Releases Moving Toward 5G

    r. LTE-Advanced (LTE-A) Rel. 10: Carrier Aggregation

    4. Advances in Cellular Technologies and Standards

    a. Part A: Advances in Cellular Transport and Backhaul Networks: Packet Optical Transport Network (OTN) Defined

    i. Optical Cross-Connect Switch: Heart of an All-Optical Core Network

    ii. Ethernet Backhaul Protocol Structure

    iii. Carrier Ethernet in the Backhaul: VLAN Cross-Connect Scalability

    iv. 802.1ad Provider Bridge (Q-in-Q)

    v. New Mobile Backhaul Architecture: Based on Ethernet & IP/MPLS

    b. Part B: Innovations in Radio Access Networks (RANs) Standalone Base Station: Conventional Cell Site Architecture

    i. Contemporary BS in D-RAN Architecture

    ii. Fronthaul Connections using Radio over Fiber (RoF)

    iii. RRHs Connected to BBU Rooftop Microcell

    iv. Centralized RAN (C-RAN) Architecture: Combining Fronthaul and Backhaul Connections

    v. Centralized RAN (C-RAN) Architecture using CPRI

    vi. The Common Public Radio Interface (CPRI) Protocol

    vii. Cloud RAN (C-RAN) Architecture for LTE

    viii. 5G: Heterogeneous Cloud Radio Access Network (H-CRAN)

    ix. Mobile Network Evolution: 4G to 5G

    c. Part C: Using Small Cells to Increase Coverage & Density Increase in Mobile Subscribers and Volume of Mobile Traffic

    i. Increasing Mobile Network Capacity and Coverage Density

    ii. Expanding the Definition of Small Cells

    iii. Smart Macrocell Network Enhancements

    iv. Cell Splitting: Adding Microcells to Avoid Congestion

    v. Distributed Antenna System (DAS)

    vi. 3G UMTS Femtocell Architecture

    vii. LTE Femtocell Architecture

    viii. Heterogeneous Network Deployments

    ix. Small Cells Provide Extended Coverage

    x. Heterogeneous Networks (HetNets)

    d. Part D: Intro to Self Organizing Networks (SON) – Traditional Operational Support System (OSS) for Cellular

    i. Three Key Concepts of Self Organizing Networks (SON)

    ii. Example of SON Self-Configuration

    iii. Example of SON Self-Optimization

    iv. Example of SON Self-Healing

    5. Introduction to 5G – A Development in Progress

    a. 5G Concepts and Related Topics

    i. 5G Timeline: Progression of IMT-2020 Standards

    ii. International Mobile Telecommunications- 2020 (IMT-2020)

    iii. Enhancing Key Capabilities: From IMT-Advanced to IMT-2020

    iv. Importance of Key Capabilities in Different Usage Scenarios

    v. Industrial, Scientific and Medical (ISM) Frequency Bands

    vi. Three Key ISM Frequency Bands for Unlicensed Spectrum

    vii. World Radio Conferences (WRCs)

    viii. Mobile Network Operators Need Wireless Spectrum

    ix. Allocating Additional Spectrum Resources as Supply of Conventional Frequency Bands are Exhausted

    x. Combining LTE and 5G New Radio Technologies

    xi. Wireless Cellular Backhaul Alternatives

    xii. Initial 5G New Radio (NR) Specifications

    b. 5G System Architecture

    i. High Level Architecture

    ii. 5G RAN Architecture

    iii. User Equipment

    iv. New Radio (NR) Node B

    v. 5G Tracking Areas

    vi. 5G RAN Deployment Options

    vii. 5G Core Architecture

    1. Access a Mobility Management Function

    2. Session Management Function

    3. User Plane Function

    4. Data Network

    5. Policy Control Function

    viii. Unified Data Management

    c. 5G System (5GS) Service Based Architecture (SBA)

    i. Network functions Virtualization

    ii. SBA Model

    iii. Complimentary Network Functions for SBA

  • FAQs
    Is there a discount available for current students?

    UMBC students and alumni, as well as students who have previously taken a public training course with UMBC Training Centers are eligible for a 10% discount, capped at $250. Please provide a copy of your UMBC student ID or an unofficial transcript or the name of the UMBC Training Centers course you have completed. Online courses are excluded from this offer.

    What is the cancellation and refund policy?

    Student will receive a refund of paid registration fees only if UMBC Training Centers receives a notice of cancellation at least 10 business days prior to the class start date for classes or the exam date for exams.

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