Patent ID: 9537515
Date: 2017-01-03
CPC Classifications: G06K,H01Q,H04B,H04L

Claim:
1. A method of wirelessly communicating data, the method comprising: receiving electromagnetic (“EM”) radiation incident upon an antenna of a mobile device from a base station, wherein the antenna is an element of the mobile device that serves an additional purpose than just as a reflective antenna for backscatter communications, wherein the additional purpose of the antenna includes one of a conductive frame of the mobile device, a lead frame of a chip package within the mobile device, or a conductive trace on a circuit board of the mobile device; modulating a radar cross-section of the antenna between two or more states using a backscatter tag coupled to the antenna; encoding the data onto a backscatter channel of the EM radiation via the modulation of the radar cross-section; and transmitting the data to the base station over the backscatter channel.