Dual-Band 11AX - quantenna.com

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Dual-Band 11AX Quantenna Communications, Inc. 1 WHITEPAPER Dual-Band 11AX By Dr. Sigurd Schelstraete Wi-Fi Perfected Dual-Band 11AX Quantenna Communications, Inc. 2 Table of Contents 1. A Brief History of Wi-Fi ........................................ ........................................ ........................................ 3 2. A Quick Look at 11ax Features ........................................ ........................................ ........................... 4 New OFDM Symbol duration ........................................ ........................................ ........................... 4 Downlink OFDMA (DL-OFDMA) ........................................ ........................................ ...................... 4 Uplink OFDMA (UL-OFDMA).

The first Wi- Fi technology to be deployed circa 1997 was 802.11b, which operates in the 2.4 GHz ISM band and is based on spread -spectrum techniques.

  Spreads, 4 ghz