Kun Zhao: 2 books

While the Chinese urban movement has successfully transferred surplus labor from the countryside to urban industries that urgently require free and cheap labor, numerous problems have arisen as a result of the unprecedented huge-scale process. Such conditions such as overcrowding, substandard housing,...

This SpringerBrief examines the use of cheap commercial passive RFID tags to achieve accurate device-free object-tracking. It presents a sensitive detector, named Twins, which uses a pair of adjacent passive tags to detect uncooperative targets (such as intruders). Twins leverages a newly observed...