interference

August 4, 2014

NETWORKING

The Key to Success in Tracking Mobile Devices: Symbiosis, Not Espionage

As a shopper enters a store, the retailer uses Wi-Fi to track her movements, interests, and shopping habits, providing a treasure trove of insight valuable to merchandising and product development alike. And as advances in Wi-Fi promise increasing location precision and beacons promise pinpoint loca…

July 10, 2014

NETWORKING

Winning Back the Weather Radio Channels Adds Capacity to 5GHz Wi-Fi Spectrum

In my last blog on 5 GHz spectrum, I discussed the recent FCC ruling that permitted outdoor access points to use the U-NII 1 band (5150-5250 MHz). But the story doesn’t  stop there. As mentioned last time, there are significant technical challenges to using the 5 GHz band. It is not cleared sp…

May 5, 2014

NETWORKING

Portland State University rolls out 802.11n and 5760 Series Controller

Portland State University is Oregon’s largest and most diverse public university encompassing 50 city blocks, eight schools, 226 degree programs, 29,000 students, including 1,700 international students from 91 countries, and 126,000 alumni. For the second year in a row, the US News & World Repor…

September 5, 2013

NETWORKING

Interference Detection and Mitigation with Cisco CleanAir

The previous blog on CleanAir went in depth on how MSE uses CleanAir information to locate interferers and the impact zone for each interferer. This blog takes a step back and gives an overview of the CleanAir technology. How Interference Affects Your WiFi 802.11 devices operate in the 2.4GHz and 5G…

June 26, 2013

NETWORKING

Metageek Chanalyzer Pro + Cisco CleanAir = Powerful RF Visualization

As I partake in Cisco Live! activities, I wonder how the network team handles the thousands of geeks with their 3-4 geek toys each connecting to Wi-Fi from anywhere around the convention center.  I know a thing or two about how they went about planning, but hey, there is always Murphy’s Law that cre…