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Ambient backscatter technology has attracted much attention recently, because it enables battery-free devices, such as tags or sensors, to communicate through wireless energy harvesting and radio backscattering. Existing studies about ambient backscatter assume that the tags have only two states: backscatter or non-backscatter. Actually, some references have shown that the tags can readily realize...
Devices that harvest power from radio-frequency (RF) signals are generally referred to as RF-powered devices. One emerging technology that enables RF-powered devices to communicate with others is ambient backscatter. In this paper, we study the problem of signal detection and analyse the uplink bit error rate (BER) performance for RF-powered devices utilizing ambient backscatter. Specifically, we...
Ambient backscatter is a new communication technology that utilizes ambient radio frequency signals to enable battery-free devices to communicate with each other. In this paper, we study the problem of signal detection and bit error rate (BER) performance for this novel communication system that utilizes ambient backscatter and multiple receiving antennas. Specifically, we first build up the theoretical...
Ambient backscatter is a new communication technology that utilizes ambient radio frequency signals of other systems to enable battery-free devices, such as tags and sensors, to communicate with each other. This paper investigates the physical layer security problem for ambient backscatter communication systems with multiple tags/sensors. Specifically, a new protocol is suggested to facilitate communication...
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