802.11 and Community WiFi Technical Overview

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802.11 and Community WiFi Technical Overview


WiFi is a fundamental home and enterprise network component. Through new generations of Hotspots and new business models, Community WiFi is now extending further, in particular to offload 4G networks. This 3 hour workshop outlines WiFi architecture, radio interfaces, protocols and how developments in Community WiFi are underpinning current deployments.

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Who would benefit from this course?

Those in technical roles associated with the WiFi rollouts and operations. Course participants may include project managers, network operators, policy staff, service providers, management staff and engineers.


The workshop begins with an overview of 802.11 standards developments and the WiFi Alliance. The 802.11 architecture, key protocols and frame types are outlined, along with addressing mechanisms and management operations. 802.11n and 802.11ac radio interfaces are then considered, along with emerging 60 GHz band WiGig technologies.

WiFi security techniques are then reviewed, followed by an overview of WiFi Direct and Miracast services. Community WiFi mechanisms are then examined, in particular Next Generation Hotspots (NGH) and the WiFi Alliance Passport mechanisms. The workshop concludes with an overview of current public WiFi deployments and associated business models

Course Objectives

Participants completing this course should be able to:

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  • Describe the 802.11 standards and the WiFi Alliance role
  • Outline the 802.11 architecture, key protocols and addressing mechanisms
  • Describe the 802.11n and 802.11ac wireless interface capabilities
  • List the key WiFi managements operations, and describe how they work
  • Understand the WiFi security architecture, and how it operates in home and enterprise networks
  • Outline current WiFi Alliance developments: WiFi Direct and Mirapoint
  • Describe how WiFi Passport, Hotspot 2,0 and the 3GPP ANDSF framework support Community WiFi services
  • Describe the WiFi Hotspot market place, and current WiFi rollouts and business models