Abstract: A Radio Frequency Identification (RFID) system according to one embodiment includes a reader having a receive antenna in communication therewith, and a plurality of transmitters in communication with the reader and spatially separated from the reader. Methods of use are also presented.

Abstract: A Radio Frequency Identification (RFID) device according to one embodiment of the present invention includes a first microstrip antenna comprising a microstrip positioned towards a first side of the device, and a Radio Frequency—(RF-)reflective back plane spaced from the microstrip of the first microstrip antenna; a second microstrip antenna comprising a microstrip positioned farther from the first side of the device than the microstrip of the first microstrip antenna, and an RF-reflective back plane spaced from the microstrip of the second microstrip antenna; and circuitry for receiving signals from the first and second microstrip antennas, wherein the first and second microstrip antennas are each independently coupled to the circuitry.

Abstract: Systems and methods for adaptive cancellation of carrier content includes receiving a signal, adaptively detecting an amount of carrier content in the received signal, generating a feedback signal for canceling out the carrier content in the incoming signal, and introducing the feedback signal for canceling out a majority of carrier content in the signal being received.

Abstract: A Radio Frequency Identification (RFID) device according to one embodiment of the present invention includes a first microstrip antenna comprising a microstrip positioned towards a first side of the device, and a Radio Frequency- (RF-)reflective back plane spaced from the microstrip of the first microstrip antenna; a second microstrip antenna comprising a microstrip positioned farther from the first side of the device than the microstrip of the first microstrip antenna, and an RF-reflective back plane spaced from the microstrip of the second microstrip antenna; and circuitry for receiving signals from the first and second microstrip antennas, wherein the first and second microstrip antennas are each independently coupled to the circuitry.

Abstract: A Radio Frequency Identification (RFID) device such as an RFID tag according to one embodiment of the present invention includes first and second sides. A first microstrip antenna extends along the first side, the first microstrip antenna comprising a microstrip positioned towards the first side, a Radio Frequency-(RF-)reflective back plane, and a dielectric spacer positioned between the microstrip and the back plane. A second microstrip antenna extends along the second side, the second microstrip antenna comprising a microstrip positioned towards the second side, an RF-reflective back plane, and a dielectric spacer positioned between the microstrip and the back plane. The first and second microstrip antennas are each independently coupled to circuitry for receiving signals from the first and second microstrip antennas.

Abstract: Systems and methods for adaptive cancellation of carrier content includes receiving a signal, adaptively detecting an amount of carrier content in the received signal, generating a feedback signal for canceling out the carrier content in the incoming signal, and introducing the feedback signal for canceling out a majority of carrier content in the signal being received

Abstract: Systems and methods for adaptive cancellation of carrier content includes receiving a signal, adaptively detecting an amount of carrier content in the received signal, generating a feedback signal for canceling out the carrier content in the incoming signal, and introducing the feedback signal for canceling out a majority of carrier content in the signal being received.

Abstract: A Radio Frequency Identification (RFID) system according to one embodiment includes a reader having a receive antenna in communication therewith, and a plurality of transmitters in communication with the reader and spatially separated from the reader. Methods of use are also presented.

Abstract: A radio frequency device such as an RFID tag according to one embodiment includes an antenna, an integrated circuit, and a structure positioned between the antenna and the integrated circuit for electrically coupling the antenna to the integrated circuit, the structure assisting in matching RF-related properties of the integrated circuit, e.g., antenna inputs thereof, and the antenna.

Abstract: A Radio Frequency Identification (RFID) device such as an RFID tag according to one embodiment of the present invention includes first and second sides. A first microstrip antenna extends along the first side, the first microstrip antenna comprising a microstrip positioned towards the first side, a Radio Frequency—(RF-)reflective back plane, and a dielectric spacer positioned between the microstrip and the back plane. A second microstrip antenna extends along the second side, the second microstrip antenna comprising a microstrip positioned towards the second side, an RF-reflective back plane, and a dielectric spacer positioned between the microstrip and the back plane. The first and second microstrip antennas are each independently coupled to circuitry for receiving signals from the first and second microstrip antennas.