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Passive RFID technology has been widely applied, but mainly for an automatic identification of objects like in logistics applications. In this paper, as a novel approach the passive RFID system is applied to stream data transmission, where the RFID reader sends stream data and tags receive them. The extremely low power consumption of the passive tag system relieves a limited battery lifetime problem...
An ultra-low-power baseband controller in wireless endoscopic capsule is designed in asynchronous circuits based on the 2-wire protocols. The controller is adaptive to different data rates defined by an external reference data rate clock source. Other than the ultra low power property, the controller has the advantages of high bandwidth utilization efficiency and low complexity. The interfaces for...
In many DSP applications (image and voice processing, baseband symbol decoding in high quality communication channels) several dBs of SNR loss can be tolerated without noticeable impact on system level performance. For power optimization in such applications, voltage overscaling can be used to operate the arithmetic circuitry slower than the critical circuit path delay while incurring tolerable SNR...
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