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IEEE 802.11ax (WiFi 6) & WiFi 6E (6GHz channels)

2 Day Course
Code PWS285

Overview

This course is designed to give the delegate an understanding of the IEEE 802.11ax deployments which is a high efficiency release and multi-user environment.
Using OFDMA and Resource Units the technology can support multiple users at the same time by allocating resources in advance.
We will investigate the requirements to allow multi-user in what has historically been a one at a time technology.
Starting with a brief overview of WLAN in general we will identify the necessary changes to existing frame structures and other measurement procedures to allow for multi-user deployment and future deployment and integration with the 3GPP 5G Core Network environment.

Objectives

Upon completion of this course the delegate will be able to:

Understand the basic WLAN procedures such as NAV Timers and Back-Off Timers

Understand the basic deployment of OFDMA technology

Explain the Data Frames, Management Frames & Control Frames required for WiFi 6

Understand the basic concepts of MU-MIMO

Explain BSS Colour & Spatial Reuse

View detailed Course Modules

Modules

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802.11 Medium Access (8 topics)

  • Distributed Coordination Function (DCF)
  • Physical Carrier Sense
  • Virtual Carrier Sense
  • Pseudo-Random Backoff Timer
  • Interframe Spacing
  • Hybrid Coordination Function (HCF)
  • Enhanced Distributed Channel Access (EDCA)
  • HCF Controlled Channel Access (HCCA)

802.11 MAC (12 topics)

  • MAA Header
  • Frame Control Field
  • Duration/ID Field
  • MAC Layer Addressing
  • Sequence Control Field
  • QoS Control Field
  • HT Control Field
  • 802.11 Frame Body
  • Management Frames
  • Control Frames
  • Data Frames
  • Power Management

802.11ax: High Efficiency (HE) (25 topics)

  • 802.11ax = WiFi6
  • WiFi Traffic Congestion
  • HE Overview
  • Multi-user (MU)
  • OFDMA
  • Subcarriers
  • Resource Units
  • Trigger Frames
  • Downlink OFDMA
  • Uplink OFDMA
  • Buffer Status Reports
  • Operating Mode Indication
  • MU-MIMO
  • BSS Colour & Spatial Reuse
  • OBSS
  • BSS Colour
  • Spatial Reuse Operation
  • Target Wake Time
  • Additional 802.11ax PHY & MAC Capabilities
  • 1024 QAM
  • Long Symbol Time Guard Intervals
  • 802.11ax PHY Headers
  • Multi-TID AMPDU
  • WiFi Certified 6
  • WiFi 6E Channelisation

An introduction to WiFi 7 (A brief look at WiFi 7) (5 topics)

  • Key Features of WiFi 7
  • 320 MHz Channels
  • 4K QAM
  • Multi-Link Operation & Deterministic Latency
  • Multi-Resource Units (RU) & Puncturing
WiFi Training Courses

What Our Customers Say

“The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

— Technical Trainer, Aviat Networks

“Overall the course was really good, the trainer really understood the material and was very approachable.”

— Customer Training Manager, Aviat Networks

“Excellent course, informative and well-paced.”

— CSE, Cisco

“Course was very well outlined. Topics were great and bridged many gaps.”

— System Engineer, Cable & Wireless

“An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

— Broadcast Engineer, Cisco

“Definitely an excellent intro. Left me interested in learning more.”

— Broadcast Engineer, Eircom

“Excellent training course with real examples and practical classroom demonstrations.”

— Transport Designer, Orange

“Instructor knowledge and experience was excellent.”

— Solutions Engineer, Akamai

“Excellent course, very clear and well organised. Course content delivery was very good.”

— Assistant Engineer, Dhiraagu

“Very informative and appropriate.”

— Network Support Technician, BT

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