Energy harvesting method and energy receiver
An energy collection and receiver technology, applied in the computer field, can solve the problems of reduced conversion efficiency and achieve the effect of improving energy conversion efficiency
Active Publication Date: 2019-01-29
BEIJING JIAOTONG UNIV
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[0003] The key index to measure the performance of the energy harvesting circuit is the conversion efficiency of the radio frequency signal to the user's output power. The existing energy harvesting generally adopts a single energy harvesting circuit. When the input power of a single energy harvesting circuit reaches a certain threshold, the circuit will enter a saturated state and the conversion Efficiency decreases with increasing input power
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0031] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
[0032] It should be noted that like nume...
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The present invention provides an energy harvesting method and an energy receiver. The energy harvesting method is applied to a receiver in an energy harvesting system. The method includes the following steps that: signals transmitted by the transmitter of the energy harvesting system are received; the distribution ratios of the first power of the signals are acquired, wherein the first power characterizes the power of the signals after the signals pass through a channel between the transmitter and the receiver, and the distribution ratios characterize the ratios of the first power distributedto a plurality of energy harvesting circuits in the receiver; the signals are distributed according to the distribution ratios, and are inputted to the energy harvesting circuits corresponding to each of the distribution ratios; and energy outputted by the plurality of energy harvesting circuits are combined, and the combined energy is outputted to an energy receiving end matched with the receiver. With the method adopted, the saturation of the energy collecting circuits can be avoided, energy consumption is reduced, and energy conversion efficiency is improved.
Description
technical field [0001] The present invention relates to the field of computer technology, in particular to an energy collection method and an energy receiver. Background technique [0002] In the process of wireless energy harvesting, the transmitting end transmits radio frequency signals, and the receiving end can input the signal into the energy harvesting circuit for electric energy output after receiving the signal through the antenna to realize energy harvesting. [0003] The key index to measure the performance of the energy harvesting circuit is the conversion efficiency of the radio frequency signal to the user's output power. The existing energy harvesting generally adopts a single energy harvesting circuit. When the input power of a single energy harvesting circuit reaches a certain threshold, the circuit will enter a saturated state and the conversion Efficiency decreases with increasing input power. Contents of the invention [0004] In order to overcome the d...
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IPC IPC(8): H04B1/16H04B17/382
CPCH04B1/16H04B17/382
Inventor 陆杨熊轲钟章队艾渤
Owner BEIJING JIAOTONG UNIV