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This paper describes the modeling, fabrication, and measurement of a method to construct true 3-D antennas for radio frequency (RF) power harvesting in millimeter-scale sensors. The goal is to create an omnidirectional RF power-harvesting structure, which can provide power even if the sensor and external power source are not perfectly aligned. Because the orientation of the sensor is not known in...
This paper describes the design, modeling, and fabrication methods of a new method to build three-dimensional integrated antenna arrays. The goal is to create a mm-scale sensor for implantation in the human body. Since the orientation of the sensor is not known in advance the antenna must work equally well in all directions. The best way to do this is to build antennas on each side of a cubic structure...
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