Examples of backscatter systems, device, and techniques are described herein. Example
backscatter devices may utilize CSS modulation to provide backscatter signals including …

A wireless data transmitting device comprising a first antenna unit for receiving energy from
an alternating electromagnetic field and for converting the energy into an alternating current …

Examples described herein include backscatter devices which may transmit orthogonal
frequency division multiplexing (OFDM) signals. Techniques for complex analog backscatter …

Apparatuses, systems, ambient RF backscatter transceivers, and methods for
communicating using MIMO and spread spectrum coding of backscattered ambient RF …

Systems and methods to use radar systems for radio fre quency identification (RFID)
applications. In one embodi ment, radar systems are adapted to use RFID communica tions …

Abstract Systems and methods to determine motion parameters of physical objects using
radio frequency identification (RFID) tags attached to the objects. In one embodiment, a …

Examples described herein include devices and systems utilizing backscatter
communication to directly generate transmissions in accordance with wireless …

.... 2 ()() 7/0 ()() 1 814 A 1 1/2007 Steinke et al. continuation of application No. 14/696,247,
filed on 2007/0030151 A1 2 2007 Morrow Apr. 24, 2015, now Pat. No. 9,690,961, which is a …

Abstract Systems and methods to determine kinematical parameters of physical objects
using radio frequency identification (RFID) tags attached to the objects. In one embodiment …

A cellular network allocates resources to a device for transmission of a signal for finding at
least one RFID tag. The device uses the resources allocated by the cellular network to …