Alternative WLAN Project Lifecycle

Alternative WLAN Project Lifecycle   This is an alternative WLAN Project Lifecycle consisting of the following four core stages and two complimentary activities:   Define Design Deploy Diagnose Validate Communicate   The WLAN Project Lifecycle can be entered via any stage.  There is no defined start or end as the WLAN Lifecyle continually cycles through…

Failure Happens – Site Reliability Engineering (SRE)

Failure Happens – Site Reliability Engineering (SRE) Mistakes are proof that you are trying.   Site Reliability Engineering (SRE) helps further the evolution of the DevOps unification.  DevOps is a concept describing the goal of uniting the traditional silos between software development and operation teams.  An oversimplification of the caricature between these two cultures describes…

Guest on ClearToSend Podcast

Guest on Clear To Send Podcast – Episode 256 (2^8) If you haven’t already heard of ClearToSend – it is a podcast for wireless network engineers.  It is hosted by @rowelldionicio and @vergesfrancois who together have released over 250 episodes across audio and video formats.  If you are into Wi-Fi at all, I highly recommend subscribing…

Extreme Private-PSK (PPSK)

Extreme Private-PSK (PPSK) This post provides an overview of the Private Pre-shared Key (PPSK) feature available in Extreme Networks’ access points connected to ExtremeIQ. Explanations below provide greater detail with additional context and options for advanced configuration; however, it takes less than 5 minutes to configure a PPSK enabled SSID with three unique PPSKs to…

Wi-Fi Generation Names

Wi-Fi Generation Names In October 2018, the Wi-Fi Alliance (WFA @ wi-fi.org) announced a new marketing scheme to brand different generations of Wi-FiTM. The initial three brands are summarized in the following table as described in the WFA Generational Wi-Fi User Guide. Highest level of technology supported Generation Name Band (GHz) 802.11ax Wi-Fi 6 2.4…

Using AirPort Utility to collect RSSI

Apple developed a utility to manage your Wi-Fi network and assist connecting to Airport base stations.  It is NOT installed by default in iOS and there are some settings that may need tweaking each time you want to run the application.  The AirPort Utility has several features, but the ones I’m really interested in are:…

WirelessHART Spectrum

WirelessHART is based on the IEEE 802.15.4-2006 standard – meaning specific flavours of the standard have been adopted by WirelessHART.  This blog with address the channel and modulation characteristics defined in the IEEE 802.15.4-2006 standard and which features and combinations were specifically adopted by WirelessHART. The 802.15.4 standard titled “Wireless Medium Access Control (MAC) and…

ZigBee/BLE packet capture with NXP KW41Z

ZigBee/BLE packet capture with NXP KW41Z   Quick blog to document the procedure I used to install the software required to packet capture ZigBee and BLE traffic using the NXP KW41Z. You can find hardware details about the NXP KW41Z on the NXP website.  There are a few different hardware models, so be sure to…