Juniper Networks, a solution provider in switching, routing, and security, has announced their intentions to acquire Mist Systems for consideration of $405 million. Sujai Hajela, CEO of Mist Systems,...
Why is there a need for BSS Coloring? To help a receiving device identify the BSS from which a receiving PPDU originates from so that there’s a reduction in...
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802.11ax (Wi-Fi 6) brings OFDMA to wireless. It’s an enhancement over OFDM which was a single-user transmission. When a signal is sent or received it is done with one...
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I decided to finally get myself a little familiar with 802.11ax. I’m not sure why but I’ve pretty much ignored it until now. In this episode, I’m going to...
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802.11w applies to robust management frames protected by Protected Management Frame (PMF). Wireless environment includes: Rogues Susceptible to eavesdropping Data traffic is usually encrypted Management frame is usually unencrypted...
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Welcome to a new episode where we speak with Troy Martin. We’re following his presentation at WLPC Prague, Effects of Rate Limiting on Wi-Fi Flow. We ask Troy to...
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Rowell is the owner of Packet6 which provides professional services in the Bay Area specializing in wireless and mobility planning, design and implementation. He got his start in IT beginning with help desk, moving on to systems administration, and then to networking.
François grew up in France were he studied in one of the top computer engineer school specializing in Network and Telecommunication. He moved to Canada at the end of his studies and started to work as a Network Engineer. He quickly found a passion for Wi-Fi networks leading him to study the technology as well as following the current market.
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CTS 162: 802.11ax OFDMA Subcarriers
With OFDMA in 802.11ax, the size of the subcarriers has been divided by 4. Going from 312.5KHz wide with OFDM to 78.125KHz wide. The symbol duration has been increased by 4 times in the meantime. Going from 3.2 microseconds...
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