Mimicking GFSK Modulation for WiFi-to-BLE Cross Technology Communication
Chaeyeong Lee, Moonbeom Kim, Sungrae Cho, Jeongyeup Paek · 2023
In the 2.4 GHz ISM band, mutual interference occurs due to the excessive competition for channel resources among various wireless network technologies that adopt different physical (PHY) and MAC standards. To address this issue, cross technology communication (CTC) techniques facilitate direct communication between heterogeneous wireless technologies in the overlapped frequencies. In this paper, we propose a novel method for WiFi-to-BLE CTC that makes a WiFi signal appear like BLE’s Gaussian frequency shift keying (GFSK) signal. This method has not been attempted in previous PHY-CTC studies. The possibility of the newly suggested approach is demonstrated through the GNURadio simulations.