Transmission method and device of energy and information in wireless energy supply communication network

A communication network and wireless energy supply technology, which is applied in the field of energy and information transmission, and can solve the problems of inappropriate full-duplex transmission mode and low network throughput.

Active Publication Date: 2017-01-04
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned transmission method has the following problems: firstly, the prior art adopts the half-duplex transmission mode, which causes the overall throughput of the network to be low; secondly, the transmission protocol of the prior art is only suitable for the half-duplex transmission mode, not for full-duplex manual transfer mode

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  • Transmission method and device of energy and information in wireless energy supply communication network
  • Transmission method and device of energy and information in wireless energy supply communication network
  • Transmission method and device of energy and information in wireless energy supply communication network

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Embodiment 1

[0095] An embodiment of the energy and information transmission method in the wireless energy supply communication network of the present invention, such as figure 1 As shown, it is applied to a full-duplex source node S in a wireless power supply communication network, and the wireless power supply communication network also includes a full-duplex relay node R and a destination node D;

[0096] method such as figure 2 shown, including:

[0097] S201: Obtain a signal to be transmitted, and perform beamforming on the signal to be transmitted by using a preset first beamforming vector to obtain a first signal;

[0098] Specifically, the first beamforming vector is:

[0099] w s o p t = ηP m | h ~ r s v v | ...

Embodiment 2

[0165] In this embodiment, on the basis of the first embodiment above, the Simplifies to:

[0166] To sum up, in the embodiment of the present invention, the energy obtained by the source node from the received second signal is maximized, and the complexity of calculating the optimal value of the beamforming factor is reduced.

Embodiment 3

[0168] In this embodiment, on the basis of the first embodiment above, the Simplifies to:

[0169] To sum up, in the embodiment of the present invention, the signal transmitted from the relay node to the destination node is maximized, and the complexity of calculating the optimal value of the beamforming factor is reduced.

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Abstract

The embodiment of the invention provides a transmission method and a device of energy and information in a wireless energy supply communication network. By using a full duplex communication mode and designing beam forming factors for a source node and a relay node, self-interference generated in the full duplex communication process is reduced and throughout of the network is increased. The source node obtains energy from signals sent by the relay node and from signals sent by itself, so energy efficiency sent by the source node can be increased.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a method and device for transmitting energy and information in a wireless energy supply communication network. Background technique [0002] Energy and environmental issues are common challenges facing the world today. The proportion of carbon emissions and energy consumption in the information and communication technology industry is growing rapidly, and the wireless communication industry occupies an important position in energy conservation and emission reduction. Therefore, the low-carbon, healthy and efficient green communication system has attracted people's attention and has a good application prospect. As an alternative to traditional energy sources such as wind energy and solar energy, radio frequency is regarded as a new and viable energy source. The radio frequency energy harvesting technology that converts radio frequency energy into electrical energy...

Claims

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Application Information

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IPC IPC(8): H04B7/155H04B7/06H02J50/20
CPCH04B7/0617H04B7/15571
Inventor 李立华张平王智王惠中田辉
Owner BEIJING UNIV OF POSTS & TELECOMM
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