For a predictive model to be valuable, attenuation values for objects in the environment such as walls must be obtained. 

The tools needed are a signal generator, a signal receiver, a battery pack, a floor plan of the area being evaluated and a clipboard and pencil....

The Wireless Adjuster course, from wireless industry veteran, Devin Akin, is described as training that teaches “WLAN best practice assessment, remediation and the first 80% of troubleshooting tasks.”

The purpose of this course is three-fold:

• To teach the skills to A...

A station will search for a BSS to join by either active, passive scanning or both.  In passive scanning a STA listens to Beacons and uses the information contained in the Beacon frame to decide which BSS to join. In active scanning the STA sends a probe request.  Any...

The simplest form of roaming is reassociation.   The client always makes the decision to roam based on proprietary criteria that are most often based on RSSI.  Part 1 of this series on roaming, describes how reassociation occurs. Other types of roaming will be discusse...

Part Two:  EDCA

How is it different than DCF?

Wireless is a shared medium.   The fundamental method for sharing this medium is DCF, Distributed Coordination Function.  This is the method used when QoS is not present.  When QoS is present EDCA (Enhanced Distributed C...

Part One:  DCF

Wireless is a shared medium.   The fundamental method for sharing this medium is DCF, Distributed Coordination Function.  This is the method used when QoS is not present.  

There are 3 major steps a STA must observe to gain access to th...