Articles

26
Feb

HOW MANY BARS CAN YOU SEE?

The answer is hopefully five, meaning that you should have a very strong connection. Your signal may also be showing good numbers. But the strength of a connection or a sharp signal don’t necessarily promise an interference-free or a high-quality…
30
Jan

PtP wireless backhaul

Have you ever asked how? How do people remain connected when out at sea or in the middle of nowhere? The answer is via wireless backhaul which uses a wireless radio link as an intermediate network infrastructure between a core…
9
Jan

HOW ONE TEAM CHANGED AN ENTIRE INDUSTRY

Based on a solution introduced by Alvarion, today’s SU-MIMO and MU-MIMO services have become an integral part of Wi-Fi WAVE-2 802.11ac and cellular LTE rel 11 protocols. Designed by Mati Wax – Alvarion’s Chief Scientist – beam forming technologies enhance…
12
Dec

Kracks in WPA2 Security

Mathy Vanhoef claims that the cause of weakness in WPA2 security occurs during a 4-way handshake when an AP and client perform mutual authentication and generate session keys for data encryption. According to Vanhoef in his recent paper, Key Reinstallation…
11
Jan

Alvarion 802.11ac – Progress is here, but is your Wi-Fi ready for it?

The IEEE 802.11ac standard (approved January 2014), brought numerous new and promising capacity features mostly in the 5GHz band. The features to be rolled out in 2 certification waves.  Wave 1: Increased bandwidth to ~433Mbit/sec per 80MHz channel (Vs. 150Mbit/sec…