When it comes to cellular in the U.S. there are two major carriers, AT&T and Verizon, and everybody else. While Sprint and T-Mobile both also compete in the national market, they have far fewer subscribers and a reputation for poor coverage. This has essentially been the state of affairs since Cingular bought AT&T Wireless in 2004Continue reading “Hotspot 2.0 Can Disrupt the Cellular Marketplace”
Tag Archives: wifi
Channel Planning isn’t Easy for Algorithms
If you’ve ever had to create a manual channel plan where spectrum is scarce, you know how hard it is to get it right. You run out of virgin spectrum, then the difficult choice of channel reuse is encountered. Often, what looks acceptable on an architectural plan, doesn’t hold up to post-deployment validation. Two AP’sContinue reading “Channel Planning isn’t Easy for Algorithms”
eduroam – Secure, Automatic Roaming Between WLAN’s
eduroam (education roaming) is the secure worldwide federated network access service developed for the international research and education community. I’ve been really intrigued by the WLAN phenomenon eduroam which has swept across much of Europe and is being deployed in many US universities this academic year. This is a secure WLAN roaming technology, but itContinue reading “eduroam – Secure, Automatic Roaming Between WLAN’s”
Frame by Frame 