Machine Learning based detection of multiple Wi-Fi BSSs for LTE-U CSAT

11/21/2019
by   Vanlin Sathya, et al.
0

According to the LTE-U Forum specification, a LTE-U base-station (BS) reduces its duty cycle from 50 co-channel Wi-Fi basic service sets (BSSs) from one to two. The detection of the number of Wi-Fi BSSs that are operating on the channel in real-time, without decoding the Wi-Fi packets, still remains a challenge. In this paper, we present a novel machine learning (ML) approach that solves the problem by using energy values observed during LTE-U OFF duration. Observing the energy values (at LTE-U BS OFF time) is a much simpler operation than decoding the entire Wi-Fi packets. In this work, we implement and validate the proposed ML based approach in real-time experiments, and demonstrate that there are two distinct patterns between one and two Wi-Fi APs. This approach delivers an accuracy close to 100 (ED) approaches.

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