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Welcome to CellStream, Inc. - Telecom Consulting and Training!

Welcome to our home on the Internet, where we can not only share information, but also interact with each other. If you are a visitor to the site, there are a number of things to view: our FAQ'sNetworking and Computing Tips, our CellStream Blog, and other fun reading can all be found in the drop down menus above.  The Training menu provides access to our courses, our course calendar, and learning services.  The Consulting Menu provides information on our consulting services and a place to meet our consulting and teaching team.  Registered CellStream folks and our clients will log in using their private credentials to access projects, calendars and discussions.

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CellStream, Inc. - Telecom Consulting and Training!            

1-Day Instructor Led Hands On Lab Class
Available in Web Based delivery
Minimum 10 students - Maximum 30 students

We offer several Wi-Fi related courses.  The Understanding Wi-Fi 101 Fundamentals course is a prerequisite for taking more advanced courses, including Wi-Fi 5, Wi-Fi 6, Wi-Fi Security and Wi-Fi Voice and Video.  You will find other courses in the related content area below.

Course Description:wififundamentals small

This course examines Wi-Fi 802.11 Networking and Market Opportunities. This class is ideal for anyone looking for an introduction to WLAN's and how Wi-Fi supports wireless network connectivity in both the enterprise and service provider environments. This course is a 1-day course on 802.11, as part of the Wireless course offerings at CellStream. It will provide the attendee with an understanding of the basic operation and terminology of the 802.11 Wireless Networking technologies. It will discuss the how users connects to the Wi-Fi network and sends data, how Wi-Fi still works in the presence of interference, and common Wi-Fi network problems and solutions. This course will also cover changes to the Wi-Fi network to support deployment of carrier-grade hotspots and interworking with Cellular networks.

Course Objectives:

The overall objective of this one day overview is to provide sufficient insight to the main subject and thus provide a baseline for creating the next generation multimedia wireless solutions for products and services. The attendee will be provided access to ongoing Q&A and discussion for the subject. We will deliver this course via web meeting tools in two 4-hour sessions. This course is designed to meet the needs of anyone that requires insight into these Wi-Fi technologies, from managers to designers.

To develop a focused technology view targeted at Wireless 802.11 with a focus on the operational aspects of a Wi-Fi network. The following key areas are covered:

  • Introduction to the 802.11 specifications
  • 802.11 operations, including scanning, connecting, and sending data
  • Contrast DCF and PCF
  • Power Save mode
  • MAC frame format
  • Physical layer
  • Hotspot 2.0 Carrier-Grade Wi-Fi


The target audience for this course is anyone in Engineering, Test, Customer Support, Technical Marketing, or even Sales and Marketing that requires an understanding of Wi-Fi, and seeks to comprehend the challenges of Wi-Fi that can be applied to their job function.

Ideal candidates are:

  • Operations individuals that will provide Wi-Fi configuration and support wireless services
  • Network Design Engineers that need to understand Wi-Fi
  • Network Management individuals that are providing element and network management tools
  • Technical sales individuals that must be able to correlate wireless functionality
  • Technical marketing individuals that want more than just a basic understanding of Wi-Fi
  • Certification Track individuals that need to expand their knowledge and studies
  • Network Administrators

Course Prerequisites:

This course is designed to appeal to anyone needing the skills and knowledge of 802.11 and the challenges of implementing WLAN's. The ideal student will have some experience in networking and operations; however no prior knowledge is necessary.

Course Materials:

Students will be provided with a Course Student Guide via the Online School of Network Sciences as well as many course reference materials.

Related Content:

There are several related courses that explore the technical aspects of both today’s and tomorrow’s wireless networks.

Course Outline:

  • Establishing the groundwork
    • Introduction to Wi-Fi and spectrum considerations
    • Key 802.11 specifications
  • 802.11 operations
    • Contrasting 802.11 topologies
    • Beacons
    • Finding a Wi-Fi network
    • Getting authenticated on a Wi-Fi network
    • Sending data using Distribution Coordination Function (DCF)
    • How collisions are handled
    • Sending data using Point Coordination Function (PCF)
  • 802.11 MAC frame structure
    • Power save operations
    • Sending multicast and broadcast frames
    • Generic frame structure
    • Frame types
    • Multiple address fields
    • QoS frame structure
  • 802.11 physical and RF layers
    • A look at the 2.4 GHz and 5 GHz bands
    • Channel planning and deployment considerations
    • Understanding 802.11a,g OFDM parameters
    • How high data rates are achieved
    • 802.11,ac enhancements to achieve higher data rates
    • Physical Protocol Data Unit (PPDU) frame structure
  • Hotspot 2.0 Carrier Grade Wi-Fi
    • Public Hotspot market
    • Hotspot 2.0 specification
    • 802.11u Interworking with External Networks
    • Access Network Query Protocol
    • Passpoint certification program


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