09 Apr '17, 6pm

IEEE 802.11ax: Not just another higher #data rate

802.11ax, the next-generation WLAN standard, promises greater capacity and more robust data transmission than previous Wi-Fi standards. It represents the most fundamental change in Wi-Fi operation since 802.11n, which first emerged in products in 2004 with the promise of 100 Mbits/s data speeds. 802.11ax is first and foremost designed to tackle the problem of network capacity, which has become a larger issue in dense environments such as airports, sporting events, and campuses. 802.11ax borrows heavily from LTE, utilizing technology proven in cellular networks to increase system capacity by as much as ten times more users for the same spectrum. Thus, there are many new system aspects in 802.11ax requiring validation that have been unknown in the Wi-Fi community. OFDM evolves to OFDMA The biggest change with 802.11ax over earlier WLAN systems is the adoption of orthogonal f...

Full article: http://www.edn.com/design/test-and-measurement/4458212/80...

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