Device-Free Radio Vision for Assisted Living: Leveraging wireless channel quality information for human sensing Wireless propagation is conventionally considered as the enabling tool for transporting information

摘要

It?s not difficult. Every time I lift my arm, it distorts a small electromagnetic field that is maintained continuously across the room. Slightly different positions of my hand and fingers produce different distortions and my robots can interpret these distortions as orders. I only use it for simple orders: Come here! Bring tea! and so on.