Implementation and Evaluation of IEEE 802.11ax Target Wake Time Feature in ns-3

The Target Wake Time (TWT) feature has been introduced in Wi-Fi technology in 802.11ah and has been extended by IEEE 802.11ax as an optional feature. It allows stations (STAs) to sleep for some intervals and wake up at a Target Wake Time to send and receive their traffic. This feature reduces energy consumption of devices. While the standards are completed, there is no publicly available implementation of Target Wake Time (TWT) in a simulation framework.