Wi-Fi System Engineering

As service providers try to deal with our unquenchable thirst for Internet connectivity, the role of Wi-Fi has grown from a simple wireless LAN technology to a critical element of the communication mix. This course therefore focuses on the IEEE 802.11 family of technologies and in so doing, explains the architecture and operation of a Wi-Fi network. In addition, the enhancements of security and QoS (Quality of Service) are also explored.
Course Introduction
Sample Video

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Section 1 - Wi-Fi Architecture
Section 2 - Wi-Fi Operation
Section 3 - Wi-Fi Security and QoS

Topic areas covered include:

  • What is Wi-Fi?
    • The Building Blocks of a Wi-Fi Network.
    • IEEE 802.11 Standardization.
  • Where is Wi-Fi?
    • Wi-Fi Network Configurations.
    • Radio Frequencies and Coverage.
    • Orthogonal Frequency Division Multiplexing.
  • Wi-Fi Frame Structure:
    • Wi-Fi Addressing in Operation.
  • What is Wi-Fi Used For?
    • Data / Wi-Fi Offload.
    • Voice / Wi-Fi Calling.
  • Who Controls Wi-Fi?
    • Institute of Electrical and Electronics Engineers.
    • Wi-Fi Alliance.
    • Wireless Broadband Alliance.

Topic areas covered include:

  • Transferring Data across the Network:
    • Contention Resolution.
    • The Coordination Functions.
    • Interframe Spacing.
    • Random Backoff.
    • Backoff Procedure.
  • Finding a Wi-Fi Network:
    • Scanning for Wi-Fi.
    • Probing for Wi-Fi.
    • Tracking Wi-Fi Devices.
  • Joining a Wi-Fi Network:
    • Authentication.
    • Association.
    • Wi-Fi Mobility / Portability.

Topic areas covered include:

  • Native Wi-Fi Security:
    • Security Principles.
    • Security Vulnerabilities.
    • Wired Equivalent Privacy.
    • Wi-Fi Protected Access / 802.11i.
    • 802.1x / Extensible Authentication Protocol.
    • Pre Shared Key.
  • Over the Top Security:
    • IPSec.
    • IPSec Modes of Operation.
  • Quality of Service:
    • Enhanced Distributed Channel Access.
    • Arbitration Interframe Space.
    • Traffic Classification.

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.