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Energy harvesting relay commnication method and system

A technology of relay communication and energy harvesting, applied in the field of communication, to achieve the effect of strengthening the anti-interference ability of the loop

Pending Publication Date: 2021-07-23
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The source node is used to determine the first statistical information and the second statistical information according to the power allocation ratio

Method used

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  • Energy harvesting relay commnication method and system
  • Energy harvesting relay commnication method and system
  • Energy harvesting relay commnication method and system

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Embodiment Construction

[0011] refer to figure 1 . The system 100 is a full-duplex wireless relay communication system, which includes a relay node 120 for wirelessly receiving and retransmitting signals. The relay node 120 can receive a signal S1 from the source node 140 and send a transmission signal to the destination node 160 . However, only a portion of the transmitted signal (ie, signal S2 ) will be received by the destination node 160 . Another part of the transmitted signal (ie, the noise Ir) is received by the relay node 120 itself.

[0012] The source node 140 encodes the information to generate a signal S1, and the destination node 160 decodes the received signal S2. The performance of the system 100 and the power P of the signal S2 2 and the power P of signal S1 1 ratio is related. With P 2 than P 1 The higher the ratio, the better the performance of the system 100. In this embodiment, the relay node 120 is not powered by an external power source. Therefore, the total power of t...

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Abstract

The invention provides an energy harvesting relay communication method and system. The method includes the following operations: determining a first statistics of a first signal and a second statistics of a second signal according to a power split ratio and a noise level of a relay node; relaying, by the relay node, the first signal according to the power split ratio, the first statistics and the second statistics to generate the second signal; and receiving, by a destination node, the second signal.

Description

technical field [0001] The present disclosure relates to a communication method, in particular to a communication method using a relay system with an energy harvesting function to mitigate interference. Background technique [0002] In some relay communication applications, loop interference (LI) is the main performance limiting factor. The higher the LI, the lower the power of the signal that can be transmitted to the destination. Therefore, the loop anti-interference capability of the relay communication system has become an important feature in this technical field. Contents of the invention [0003] The present invention discloses an energy harvesting relay communication method, which includes the following steps: determining first statistical information of a first signal and second statistical information of a second signal according to the power distribution ratio and the noise level of the relay node; The distribution ratio, the first statistical information and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24H04W40/22H04W72/04H04B7/15
CPCH04W52/24H04W40/22H04W72/0473H04B7/15H04B7/15528H04B7/15578H04B7/15592H04B7/15535
Inventor 林哲毅张佑榕曹恒伟苏炫荣
Owner REALTEK SEMICON CORP