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Education & Training

One Day Course Descriptions – For In-Person Or Online Training

An Introduction to Wi-Fi

One Day Course (6 hours of instruction)

Wi-Fi systems are the most widely deployed wireless technologies in the world today. Yet, they receive less attention these days than cellular technologies like LTE. Despite the fact that Wi-Fi systems carry higher volumes of mobile data, operate at higher data rates than LTE, they are almost like commodity items that people don't think too much about but rather, take for granted.

However, Wi-Fi systems are actually very sophisticated systems that were created to satisfy difficult and challenging requirements. For example, they operate in unlicensed bands, with very severe emission limits; also, they need to provide high data rates because they are in direct "competition" with wired LANs using technologies like Ethernet with super-fast rates; furthermore, in some scenarios, Wi-Fi systems are deployed in a somewhat distributed manner, without strong centralized control. Thus, challenges of interference management and resource sharing arise. Additionally, different types of traffic might need to be given different treatment (QoS), resulting in additional challenges from the resource sharing and interference management perspectives. These other technical challenges have been handled over the years (as different members of the Wi-Fi family of technologies have been created) through a variety of solutions and approaches, some of which are pretty ingenious from an engineering point of view.

We will explore these along with the solutions and approaches. Examples of such creative solutions include the various coordination functions at the MAC layer (e.g., DCF, PCF, etc.) spread spectrum, OFDM, etc., to handle challenging constraints at the physical layer while trying to achieve high data rates.

Wi-Fi Security

One Day Course (6 hours of instruction)

Everyone uses Wi-Fi.  However, most people may not have a strong understanding of what the differences are between the available security options, like WPA, WPA-PSK, WPA2, TKIP, AES, etc. You may even have heard that WEP is supposed to be bad, but you are not be sure how WPA and WPA2 improve on it. Furthermore, because Wi-Fi security started from something very weak, and then was improved in stages, it can be very helpful to trace through the various generations of Wi-Fi security, and thus gain a better understanding of wireless security.

This course explains the motivations for wireless and Wi-Fi security and describes initial attempts with open authentication, WEP-based authentication, WEP encryption, etc.  We will then explore the many problems with WEP, its use of keys, etc.; and ways that it can be broken.  We’ll then discuss how WPA, as a stopgap measure, addresses some of the issues with WEP and how WPA2 is even more secure.  The IEEE 802.1X model, and the difference between PSK and enterprise modes will then be explained.

IoT and M2M Essentials

One Day Course (6 hours of instruction)

Machine-to-Machine (M2M) products and services are an essential component of the Internet of Things. This one day essentials course covers the most important things you need to consider when developing a new Internet of Things or Machine-to-Machine product or service. This course covers the following topics:

  • Common IoT / M2M applications
  • IoT / M2M communications architecture
  • Major elements of an IoT / M2M solution
  • Technology choice selection
  • Development and implementation issues
  • Testing and certification
  • IoT / M2M business ecosystem
LTE Fundamentals: The Essentials

One Day Course (6 hours of instruction)

LTE is the wireless cellular system that comes after 3G. Designed from the ground up as a long term evolution of the 3G systems, it came with a new OFDMA-based air interface and an All-IP Network to provide many improvements over the 3G cellular networks. Unlike earlier cellular packet technologies like HSPA (which are constrained to operate within the frameworks of 3G networks), LTE is deeply optimized for wireless data throughout all the layers of its protocol stack. In this one-day course, we review the fundamentals of LTE. Why LTE is used and how it works will be discussed.

Beyond LTE: LTE Advanced, LTE Advanced Pro, and 5G

One Day Course (6 hours of instruction)

LTE is the most successful wireless cellular system in the world today. It serves our voracious appetite for more and more mobile data, but the demand for mobile data continues to grow, and LTE-Advanced and LTE-Advanced Pro are emerging. Whereas LTE-Advanced can in some ways be considered the first "true" 4G system, LTE-Advanced Pro is already heading firmly towards the support of new applications and capabilities on the path towards 5G. 5G is in some ways still a catalog of concepts, some more fleshed out than others, but by 2020 should become more concrete. This course covers:

  • motivations for going beyond LTE, and eventually towards 5G
  • new application scenarios such as MTC and D2D that are strong drivers for 5G
  • technology innovations in LTE-Advanced and LTE-Advanced Pro: carrier aggregation, CoMP, HetNets, relaying, LAA, NB-IOT., etc.
  • concepts on 5G (network densification, etc.) from IMT-2020, etc.
  • Massive-MIMO, millimeter wave, 5G new RAT, NFV, network slicing, and other technologies that are expected to be part of 5G
LTE Performance and Optimization Framework

One Day Course (6 hours of instruction)

This course provides specialized information related to long term evolution (LTE) radio access network (RAN) optimization from a non-vendor perspective, providing an overview of all the aspects of the radio access network for LTE with respect to performance and optimization.

Conventionally a wireless technology course details and lists the important problems a technology solves, describes solution architecture, how it operates and specific use cases. However, this course is different than a standard technology course. This course focuses on the optimization techniques and areas to target when it comes to 4G LTE Optimization and Performance.

4G LTE is a purely packet switched network technology and it comes with its own set of optimizing challenges such coverage, interference, mobility, capacity and quality. In this course we will address how the above-mentioned performance challenges can be solved in 4G LTE Optimization.

LTE Optimization mainly refers to the pre-optimization and the continuous optimization before and after the network is launched. This course covers RAN aspects of 4G LTE Optimization starting with the six different types of key performance indicators (KPIs) defined in third generation partnership project (3GPP) standard, including topics such as how each one of these KPIs are computed, what parameters and configuration affect these KPIs, and how these KPIs can be optimized. This course also covers the practical aspects of these KPIs and how it will affect the end consumer experience.

Optimization in 4G LTE is different than 2G and 3G technology, therefore conventional optimization techniques are not applicable for 4G LTE, hence a dedicated course for LTE Optimization is more helpful to answer your 4G LTE specific questions.

Course participants will be provided with starting points to consider and to investigate whenever they are faced with a throughput optimization problem in LTE. The instructor provides practical industry wisdom on how to think and apply the knowledge in everyday optimization scenarios.

Nanoscale Communication Networks

One Day Course (6 hours of instruction)

This course explains the IEEE 1906.1-2015 - Recommended Practice for Nanoscale and Molecular Communication Framework standard. It includes an introduction to theoretical background as well as practical implementation and use-cases. Successful completion of this course will enable one to apply the standard to improve interoperability of simulation modules and actual system components. A precise description of what a nanoscale communication network is and the minimum requirements to define it are provided. A framework for nanoscale communication networks is specified using universal building blocks. The 20 standard metrics for nanoscale communication networks will be covered in-depth. A reference model in the network simulation 3 (ns-3) is discussed to provide a practical embodiment of the standard. Finally, use-cases of the standard are described to provide practical examples of applications of the standard.

Visible Light Communications: The High Bandwidth Alternative to WiFi

One Day Course (6 hours of instruction)

The visible light spectrum is 1000 times larger than the entire radio frequency spectrum of 300 GHz, and this simple fact provides the motivation to use visible light as a high bandwidth alternative to radio. The applications range from gigabit interconnects in data centers, through mobile networking in homes and offices to point-to-point long range wireless backhaul links outdoors. We will set the scene by looking at existing conventional wireless access technology and state clearly its limitations. Then we will go on to provide a general background to the subject of optical wireless communications, followed by a brief summary of the history of visible light communication VLC). We will discuss the relationship between VLC and LiFi (light fidelity), introducing the major advantages of VLC and LiFi and discuss existing challenges. Recent key advancements in physical layer techniques that led to transmission speeds greater than 10 Gbps will be discussed. Moving on, we introduce channel modelling techniques, and show how this technology can be used to create fully-fletched cellular networks achieving orders of magnitude improvements of area spectral efficiency compared to current technologies. The challenges that arise from moving from a static point-to-point visible light link to a LiFi network that is capable of serving hundreds of mobile and fixed nodes will be discussed. An overview of recent standardization activities will be provided. Lastly, we will discuss commercialization challenges of this disruptive technology.

Background Concepts of Optical Communication Systems

One Day Course (6 hours of instruction)

Optical communication systems have provided ever-increasing data transmission capacities, and there is a set of core concepts that are fundamental to understanding many of the crucial technical areas. The intent of this course is to provide key background information to enable participants to facilitate an understanding of more advanced topics in this area. Participants will be provided with an overview of the field that concentrates on a number of specific topics, including: 1. Introduction to optical systems (point-to-point links, reconfigurable networks, line/client, switching techniques) 2. Communications concepts (SNR, ISI, BER, PRBS, eye diagrams, link budget, data standards) 3. Channel multiplexing techniques (time, wavelength, subcarrier, space, polarization) 4. Fiber-based data-degrading effects (loss, chromatic dispersion, polarization-mode dispersion, polarization-dependent loss) 5. Amplifiers (EDFA and Raman, gain flattening, gain transients) 6. Nonlinear effects, dispersion management and fiber types 7. Modulation formats, capacity and data constellations (OOK, PSK, QAM, OFDM) 8. Direct and coherent detection schemes 9. Mitigating data impairments: optical (tunable compensators) and electronic (DSP, FEC) 10. Basics of lightwave system modeling

Designing the Green Internet

One Day Course (6 hours of instruction)

Is it true that the Internet consumes more than 3% of all energy in World?
Does a search on the Internet consume the same amount of energy as preparing a cup of coffee?
... Or more in general, how can we allow the Internet to grow without depleting the World's energy resources?

The course will provide an up-to-date review of the main issues in energy saving in today and in tomorrow's Internet. The presentation of the different subjects will be based on analytical models, simulation analysis and actual measurements, and enable the attendees to gain both theoretical and practical insights to the design of energy efficient networking solutions. Current case studies will be presented that include:

  • energy consumption breakdown of a typical cellular network provider
  • energy consumption breakdown of a typical data center
  • actual measurements on energy consumption from a real WiFi testbed
  • application of green paradigm to the design of next generation radio networks
High Throughput Satellites

One Day Course (6 hours of instruction)

This day-long course presents the configuration and application of high throughput satellite (HTS) systems that were first introduced around 2000 and represent an important capability to provide broadband interactive services from space-based repeaters. We address the selection of orbit, frequency band (generally those between 10 and 30 GHz), and how best to configure the satellite communications payload for the intended service. Essential elements include: spot beams for frequency reuse and elevated levels of EIRP and G/T; cross connect systems including physical connections and digital processing “channelizer” configurations; high-power platforms in GEO; and efficient amplifier designs. Users of these capabilities would represent individual consumers, enterprises and governments, for fixed and mobile platforms. Technology for implementing the ground segment, user terminals, and applications will be addressed at the subsystem level, with identification of key technologies to facilitate a cost/effective application system. Limitations will be discussed that relate to the available spectrum, GEO and non-GEO orbits, radiowave propagation, amplifiers and antennas, and interface with the public Internet and private networks.

Satellite Data Communications and VSAT Networks

One Day Course (6 hours of instruction)

Satellite data networks have become an important tool of corporations, government agencies as well as consumers needing remote access to the Internet. In this intermediate level, one-day course the instructor reviews the design and use of such networks, which employ inexpensive very small aperture terminals (VSATs).  The instructor will provide up-to-date information and methodologies to employ communications satellites specifically for data communications and the Internet. The focus is unique because it combines theory and practice, addressing currently available technology solutions as well as the foundations needed to understand them.

Network Function Virtualization (NFV), Software-Defined Networking (SDN) and the Road to 5G

One Day Course (6 hours of instruction)

This course provides an end-to-end understanding of Network Function Virtualization (NFV) and Software-Defined Networking (SDN), and the end to end aspects and road to 5G. The building blocks and roadmap for an increasingly user-centric and on-demand dynamic delivery, business-aware operation and service-oriented architecture are outlined. The vision, requirements, key enabling technologies and architectural considerations for 5G are discussed, along with transformations and new possibilities, challenges and realities, and timeline.

In this end-to-end context, role and functions of NFV, SDN, Cloud and Edge Computing, Slicing, Multi-Domain Orchestration, Open Source, Analytics, and Densification roadmap are detailed, as they enable agility, modularity, flexibility, sustainability, programmability and efficiency. Network and business transition and transformation requirements, considerations and challenges are discussed in how they provide a service-oriented and business-agile environment, offering network on-demand and anything-as-a-service (XaaS), for a wide range of use cases and requirements, including enhanced mobile and immersive broadband and human-machine interaction with critical / low latency and massive Internet of Things (IoT).

Technical Writing and Presentation for ESL Engineers

One Day Course (6 hours of instruction)

Technical writing and presentation for an engineer for which English is a second language (ESL) can at times be harder than the technical expertise the engineer attempts to convey. Without the proper communication skills in English, technical contributions could be drastically discounted and dismissed within the technical community. Beyond the known English grammar and common language usage, this course will explain the key factors to overcome cultural difference, logic inference and body language diversity.

This course will highlight the subtleties of English awkwardness in a case-by-case approach based on excerpts of reviewed papers from submissions to many international consumer electronics, communications, and computer conferences. The instructor will lead you through corrections made about the English errors, which happen more often than one would expect, even among reputable and experienced engineers.  Reconstruction in more authentic American English style will also be demonstrated.

Wireless Positioning and Location Technologies

One Day Course (6 hours of instruction)

Where am I? Where are you? These are arguably the most frequently asked questions that cellular subscribers expect answers to as an adjunct to the basic communication function of their handsets. Location based services are featured in widely used applications in cellular communication – emergency services, weather forecast delivery, social networking, targeted advertising, navigation, are just a few. Not only cellular -- positioning/location technologies are dominant in virtually all wireless network deployments for a myriad of commercial, industrial, governmental and military uses. 

This one day course will give you a firm introduction to the how and the why of wireless positioning. In it, you will learn about the E911 emergency calling rules and compliance methods, the fundamentals of GPS and other satellite navigation systems, time of arrival and time difference of arrival techniques, signal strength methods and angle of arrival location. In addition to cellular, the course discusses positioning issues within important short-range network environments and implementations, including WLAN (Wi-Fi), WPAN, and UWB. Finally, we will attempt to predict the directions that positioning and location technologies will be going to in the future.

Take this course to gain an understanding of:

  • the physical and geometrical properties of location technologies
  • FCC E911 requirements, how they provided the impetus for the development of location awareness and LBS (location based services) applications in cellular terminals, and the various methods of compliance
  • the basics of GPS positioning, its limitations and accuracy
  • path loss and statistical received signal strength location methods, their advantages and limitations
  • why AOA (angle of arrival) location technology is likely to gain prominence in the near future
  • how location awareness is specified for cellular networks, including LTE and LTE advanced
  • positioning technologies in non-cellular networks – WLAN, WPAN, RFID, and UWB
Introduction to Professional Wireless Communications

One Day Course (6 hours of instruction)

Take this one day online course to understand basic wireless principles. Taught from a non-technical perspective for anyone to appreciate, the course starts with a brief look at how wireless has developed from ancient times to today and goes on to define radio, spectrum and mobility terms. The electromagnetic spectrum, propagation and antennas are introduced along with modulation and access methods. Wireless systems are addressed giving you a look at protocols and layers, wireless networks and design features.You will also understand the systems, protocols and mechanisms needed to support mobility in communications. Wireless Standards are introduced along with the types of telecommunications networks: cellular, vehicular, sensor, RFID, satellite and others. Services, applications and devices including smartphones and other wireless communication devices are explored.This training course is ideal for professionals who need to stay competitive in today’s job market with up-to-date knowledge of technologies, products and services in the Mobile Telecommunications Industry.

Wireless Communications Engineering: Current Practice on Seven Key Areas

One Day Course (6 hours of instruction)

Explore the fundamental evolution of wireless communications in a one day online course that addresses the following key areas: RF engineering, wireless access technologies, network and service architecture, network management and security, infrastructure, operational standards, regulations, policies and agreements. 

By taking this course, you will better understand:

  • The network components that comprise a wireless communications system architecture
  • The evolution of IEEE 802.11, 3GPP, and 3GPP2 standard technologies
  • Fundamental engineering techniques of antenna systems and communications engineering
  • Impacts to radio frequency propagation
  • The evolution of wireless access technologies including FDMA, TDMA, CDMA, and OFDMA
  • An overview of the LTE RAN and the Evolved Packet Core
  • An overview of LTE protocol layering and channels
  • Example peak throughput calculations for IEEE 802.11 and LTE
  • An overview of TCP/IP architecture and operation fundamentals
  • A review of the Service Delivery Platform Architecture

An overview of agreements, standards, policies, and regulations for wireless networks is also addressed.

Optical Communication Technologies for 5G Wireless

One Day Course (6 hours of instruction)

In this full-day course, the instructor aims to provide an up-to-date overview of the emerging optical communication technologies for next-generation wireless networks such as 5G. Participants will have an opportunity to broaden their knowledge on the emerging applications of optical networks in future wireless networks, deepen their understanding of the state-of-the-art optical communication technologies, and explore new R&D opportunities in the field of converged fixed-mobile networks. Get a comprehensive and in-depth overview of all the technologies, standards, and development efforts associated with 5G-oriented optical networks.

Software Defined Networking for Optical Networks: A Practical Introduction

One Day Course (6 hours of instruction)

This is an introductory course to Software Defined Networking (SDN) as a control plane (CP) technology for optical networks. The course will cover the main drivers, uses, key benefits, current trends and underlying technologies around the concept of an SDN control plane focusing, notably, on transport networks and covering mainly the aggregation and core network segments.

The main part of the course will describe the main SDN concepts and functions, starting with common layered architectures, addressing both functional aspects (elements and interfaces) as well as protocol ones (stacks, encodings, formats) while presenting how common control plane functions -- resource discovery, inventory, topology and connection management – are implemented.

In particular, the course will present common trends such as the use of Openflow or Netconf/Restconf, Model Driven development, telemetry and data analytics and the use of Yang as a unified data modeling language. Existing open source projects (e.g. ODL, ONOS,..), initiatives (e.g. OpenROADM, OpenConfig) and tools / frameworks (e.g., pyang) will also be briefly introduced by means of examples.

The final part of the course will concentrate on describing more complex use case scenarios, related to the applicability to multi-domain and multi-layer networks. Architectures based on either hierarchical or peer models will be examined, highlighting issues such as scalability, topology visibility or confidentiality, and covering the concepts and roles of abstraction and orchestration. Finally, driven by the need to offer services beyond network connectivity provisioning, the course will end up discussing the current and new trends in control plane design, providing and overview of network virtualization, network slicing and the ongoing integration of SDN and NFV.

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