#20YearsofWiFi and a new Wi-Fi 6 Past 802.11 wireless enhancements have delivered higher data rates and wider channels but haven't addressed efficiency challenges in Wi-Fi networks. Wi-Fi traffic jams are still inevitable. Despite the higher data rates and the 40/80/160 MHz channels used by 802.11n/ac radios, multiple factors create traffic congestion in Wi-Fi networks. Wi-Fi 6 focuses on high efficiency with technology to address the inefficient use of the Wi-Fi medium. Inside...