Wireless energy transmission method and system

A wireless energy transmission and energy technology, applied in the field of energy transmission, can solve the problems of inability to utilize multiple energy sources

Active Publication Date: 2016-03-23
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, most of the current wireless energy transfer technologies based on radio frequency are designed for a single energy so...

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  • Wireless energy transmission method and system
  • Wireless energy transmission method and system
  • Wireless energy transmission method and system

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Embodiment Construction

[0086] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0087] In order to solve the problems in the prior art, embodiments of the present invention provide a wireless energy transmission method and system.

[0088] First of all, the embodiment of the present invention provides a wireless energy transmission method, which is applied to any base station in a wireless network. The wireless network includes multiple base stations, and all base stations in the same cell can obtain the energy sent by the terminal located...

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Abstract

The embodiments of the invention provide a wireless energy transmission method and system. The method comprises: acquiring uplink pilot information sent by a terminal, and estimating downlink channel information according to the uplink pilot information; calculating an initial pre-coding combination coefficient based on large-scale channel fading information, a reference transmitting power value and the number of antennas; calculating an initial Lagrange multiplier based on the large-scale channel fading information, the initial pre-coding combination coefficient and a preset pre-coding combination coefficient formula; broadcasting the initial Lagrange multiplier to other base stations, and receiving initial Lagrange multipliers sent by the other base stations and corresponding to the other base stations one by one; adjusting the transmitting power based on the Lagrange multiplier array and a power iteration formula; on the basis of the adjusted transmitting power, calculating a pre-coding combination coefficient after the transmitting power is updated, then calculating an energy code for pre-coding the energy to be transmitted, and transmitting the pre-coded energy to the terminal. The method and the system improve the energy transmission efficiency of multiple energy sources.

Description

technical field [0001] The present invention relates to the technical field of energy transmission, in particular to a wireless energy transmission method and system. Background technique [0002] At present, in addition to transmitting electric energy to terminal devices through common wired means, the way of transmitting electric energy through wireless means is increasingly required by people. Specifically, the existing wireless energy transmission technologies mainly include: coil coupling-based wireless energy transfer technology, radio frequency-based wireless energy transfer technology, and laser-based wireless energy transfer technology. The electric energy is converted into energy forms such as electromagnetic waves or radio frequency signals for transmission, and the terminal equipment then converts the received electromagnetic waves or radio frequency signals into electric energy, and finally realizes the transmission of electric energy. [0003] Since the radio ...

Claims

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Application Information

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IPC IPC(8): H04W52/34H04W52/38H02J50/20H04B5/00
CPCH04B5/0037H04W52/346H04W52/38
Inventor 赵龙郑侃赵慧龙航
Owner BEIJING UNIV OF POSTS & TELECOMM
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