Integrated Sensing and Communications (ISAC) is a design paradigm in which a single wireless system simultaneously performs both data communication and environmental sensing functions, sharing the same hardware, spectrum, and transmitted signals for both purposes. It matters for the field because it eliminates the need for dedicated sensing transmitters — such as the ICMP Ping-based setups dominant in CSI research — enabling more practical, energy-efficient deployments that leverage ambient or ongoing Wi-Fi traffic for sensing tasks like gesture recognition or localization. Key variants include passive ISAC, where sensing is performed purely on existing communication signals without any dedicated probing, and active ISAC, where waveforms are jointly designed to optimize both communication throughput and sensing accuracy.
Source Papers
- A survey on CSI-based Wi-Fi sensing datasets and models with a focus on reproducibility ↗ — A survey on CSI-based Wi-Fi sensing datasets and models with
- Doppler Effect: Analyses and Applications in Wireless Sensing and Communications ↗ — Doppler Effect: Analyses and Applications in Wireless Sensin
- Towards Energy Efficient Wireless Sensing by Leveraging Ambient Wi-Fi Traffic ↗ — Towards Energy Efficient Wireless Sensing by Leveraging Ambi
- WiGNN: WiFi-Based Cross-Domain Gesture Recognition Inspired by Dynamic Topology Structure ↗ — WiGNN: WiFi-Based Cross-Domain Gesture Recognition Inspired