MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517067802 A) filed by Samsung Electronics Co. Ltd., Gyeonggi, Republic of Korea, on July 16, for 'method and device for wi-fi based presence detection.'

Inventor(s) include Chen, Guanbo; Zhu, Yuming; Chang, Hao Hsuan; Chen, Hao; Li, Songwei; Nguyen, Hoang Viet; and Advani, Siddharth K.

The application for the patent was published on Nov. 14, under issue no. 46/2025.

According to the abstract released by the Intellectual Property India: "A method for presence detection by a device is provided. The method comprise obtaining channel state information (CSI) related to a wireless fidelity, Wi-Fi; filtering the CSI to remove radio frequency (RF) interf...