Introduction to Wi-Fi

Over the past twenty years, Wi-Fi has played an ever more critical role in the way we communicate; be that surfing the web, sending emails, messaging or making calls. This introduction course explores how Wi-Fi actually works in terms of the latest 802.11n (Wi-Fi 4), 802.11ac (Wi-Fi 5) and 802.11ax (Wi-Fi 6) standards, including the associated certification programs from the Wi-Fi Alliance. The course then moves on to discuss several methods of determining a device’s location, before addressing Wi-Fi Security. Finally, Wi-Fi Calling is explored in terms of supporting seamless connectivity between Wi-Fi and the 4G cellular networks.

Course Introduction
Sample Video

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Introduction to Wi-Fi
  • Topic areas covered include:
  • What is Wi-Fi?
    • The IEEE 802.11 Standards:
      • 802.11a/b/g/n/ac/ax.
      • 802.11ad/ah.
    • The Wi-Fi Alliance Programmes.
  • Wi-Fi Network Architecture:
    • The Building Blocks of a Wi-Fi Network.
    • Basic Service Sets and Extended Service Sets.
    • Using Mesh Technology to Extend Coverage.
  • Finding and Joining a Wi-Fi Network:
    • Wi-Fi Frames.
    • Wi-Fi Addressing.
    • Finding a Wi-Fi Network:
      • Scanning for Wi-Fi.
      • Probing for Wi-Fi.
    • Joining a Wi-Fi Network:
      • Authentication.
      • Association.
  • Sending and Receiving Data over Wi-Fi:
    • OFDM and OFDMA.
    • Beam Steering and MU-MIMO.
    • Modulation and Increasing Data Throughput.
    • Uplink and Downlink Data Transfer:
      • 802.11a/b/g/n.
      • 802.11ac/ax.
  • Wi-Fi Location Services:
    • Tracking a Wi-Fi Station:
      • Randomly Assigned MAC Addresses.
    • Wi-Fi Positioning System.
    • Wi-Fi Location.
  • Wi-Fi Security:
    • Wi-Fi Security Principles.
    • Wi-Fi Protected Access 1, 2 and 3.
    • WPA3 and Wi-Fi Easy Connect.
  • Wi-Fi Calling and Seamless Mobility:
    • 4G and Wi-Fi Calling.
    • Wi-Fi Passpoint and Hotspot 2.0.

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The Institute of Telecommunications Professionals (ITP)

The ITP is the UK’s leading independent institution for people who work in telecommunications. It is dedicated to promoting the professional development of members through Professional Registration, training, mentoring and qualifications. The ITP collaborates with regulators, government associations and other leading bodies on projects that are important to the future of the industry. It has worked with businesses including; BT, Cable & Wireless Worldwide, Alcatel-Lucent, Huawei and Vodafone.  Find out more about The ITP and how you can become a member.

The Continuing Professional Development Standards Office (CPD)

By providing independent accreditation, the CPD improve the quality of continuing professional development. Their marks of excellence for training providers demonstrate to individual professionals that the learning activity conforms to best practice and is appropriate for inclusion in a formal record.
Find out more about The CPD.