Fundamentals

Wi-Fi Roaming Analysis (Part 1 – Connection Control)

Advanced protocol analysis is becoming an increasingly important skill for Wi-Fi engineers as networks grow increasingly sophisticated and complex. The wireless LAN market is a tremendously innovative and fast-changing landscape, and the skills necessary to understand and dissect their inner workings are highly valuable. One of the most important aspects …

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FundamentalsTools

Nintendo vs. Cisco

Okay, that’s an admittedly a sensationalist headline, but several months ago, that didn’t seem out of line with my dilemma. From the top: I, like many other technology-centric folks like to relax with the occasional video game. Owning a few gaming platforms that support wireless connectivity such as the PlayStation …

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DesignFundamentals

So, you want to play with Multicast?… (part 1)

There. I said it. The big bad ‘M word’. Multicast. If you’re anything like I was, this was that grey area of networking that ‘only those video people’ used. You know it has something to do with some IP addresses you’ve never seen used before and you know it’s a …

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DSSS Spectral Mask
Fundamentals

DSSS with 802.11 Prime and 802.11b

The tremendous growth of Wi-Fi that is occurring right now means that many new engineers are getting into Wi-Fi. Our skills are in high demand, and new Wi-Fi engineers need the knowledge to design, build, and deploy successful wireless networks. I’m a firm advocate that it starts with fundamentals. Wi-Fi …

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FundamentalsPodcastsTools

E01 – How to Become an RF Whisperer

Welcome to episode 1 of the NSA Show Podcast! In this episode we take a look at some of the software tools used by some of the top Wireless engineers on a day to day basis. We start off by looking at Ekahau Site Survey and AirMagnet Survey Pro. Each …

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FundamentalsSurvey

Site Survey Nomenclature

The basics of site surveys: Recently I’ve discovered I’ve been using the wrong nomenclature to describe an ‘active’ site survey. I’ve always described an ‘active’ site survey as one where I’m bringing all of the survey hardware to the customer site to do an ap-on-a-stick site survey for proper access …

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