Abstract: In one aspect, a wireless communication device includes an antenna configured to receive electromagnetic energy corresponding to a wireless communication signal outputted using an interrogator and to output electrical energy corresponding to the received electromagnetic energy, communication circuitry coupled with the antenna and configured to sample the electrical energy to process the wireless communication signal, synchronization circuitry coupled with the antenna and the communication circuitry and configured to generate a clock signal to control sampling of the electrical energy using the communication circuitry, wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal responsive to a plurality of transitions of the electrical energy during a first data period and wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal during a second data period including generating at least one of the tr

Abstract: A wireless communication device includes an antenna configured to receive electromagnetic energy corresponding to a wireless communication signal outputted using an interrogator and to output electrical energy corresponding to the received electromagnetic energy, communication circuitry coupled with the antenna and configured to sample the electrical energy to process the wireless communication signal, synchronization circuitry coupled with the antenna and the communication circuitry and configured to generate a clock signal to control sampling of the electrical energy using the communication circuitry, wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal responsive to a plurality of transitions of the electrical energy during a first data period and wherein the synchronization circuitry is configured to generate a plurality of transitions within the clock signal during a second data period including generating at least one of the transitions indep

Abstract: Wireless communications devices, methods of processing a wireless communication signal, wireless communication synchronization methods and a radio frequency identification device communication method are described.

Abstract: Wireless communications systems, radio frequency identification devices, wireless communications methods, and radio frequency identification device communications methods are described. In one aspect, a wireless communications system includes a reader configured to output a plurality of wireless signals including different modulation frequencies and to receive a plurality of second wireless signals, a plurality of communication devices configured to receive the first wireless signals and to output the second wireless signals using backscatter modulation and wherein the communication devices are individually configured to respond to one of the first wireless signals having a first modulation frequency at a first moment in time and to respond to one of the first wireless signals having a second modulation frequency different than the first modulation frequency at a second moment in time.

Abstract: Wireless communication systems, radio frequency identification devices, methods of enhancing a communications range of a radio frequency identification device, and wireless communication methods are described.

Abstract: Wireless communication systems, radio frequency identification devices, methods of enhancing a communications range of a radio frequency identification device, and wireless communication methods are described.

Abstract: Wireless communications devices, methods of processing a wireless communication signal, wireless communication synchronization methods and a radio frequency identification device communication method are described.

Abstract: Wireless communications systems, radio frequency identification devices, wireless communications methods, and radio frequency identification device communications methods are described. In one aspect, a wireless communications system includes a reader configured to output a plurality of wireless signals including different modulation frequencies and to receive a plurality of second wireless signals, a plurality of communication devices configured to receive the first wireless signals and to output the second wireless signals using backscatter modulation and wherein the communication devices are individually configured to respond to one of the first wireless signals having a first modulation frequency at a first moment in time and to respond to one of the first wireless signals having a second modulation frequency different than the first modulation frequency at a second moment in time.