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WPA3 Security Enhancements
Posted by Hemant Chaskar on Apr 12, 2018
WPA3 Security Image

The current standard for security over WiFi links is WPA2. WiFi Alliance recently announced plans to introduce WPA3 for improvements to WiFi security. While no technical details on WPA3 have been announced, there are clues in the announcement and in the technical literature, to what WPA3 may contain. This blog reviews security protocols, namely OWE and Dragonfly, that are believed to be introduced in WPA3.

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802.11ax: Optimistic CSMA for Efficient Channel Reuse in WiFi
Posted by Hemant Chaskar on Jul 9, 2016

802.11ax is the new 802.11 standard currently in the making. Unlike earlier 802.11 standards that mainly focused on increasing raw link speeds, the design objective now is to increase airtime efficiency. One feature it introduces is OFDMA (Orthogonal Frequency-Division Multiple Access) to address the airtime inefficiency caused by short WiFi frames. The other is dynamic sensitivity control, which modifies traditional CSMA (Carrier Sense Multiple Access) to address airtime inefficiency caused by co-channel interference during channel reuse.