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A relay selection method for eh energy harvesting cooperative communication network

A cooperative communication and network relay technology, which is applied in the field of EH cooperative communication network relay selection, can solve problems such as unreachable, and achieve the effects of no loss of system capacity, good applicability, and optimized energy use

Inactive Publication Date: 2020-07-28
GUANGXI NORMAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing technical means cannot meet the above requirements.

Method used

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  • A relay selection method for eh energy harvesting cooperative communication network
  • A relay selection method for eh energy harvesting cooperative communication network
  • A relay selection method for eh energy harvesting cooperative communication network

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Embodiment Construction

[0061] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0062] figure 1 A flowchart of a method for selecting a relay in an EH collaborative communication network provided by an embodiment of the present invention;

[0063] Such as figure 1 Shown, a kind of EH cooperative communication network relay selection method comprises the following steps:

[0064] Establishing a link connection relationship from one or more source nodes to multiple relay nodes and from the multiple relay nodes to multiple destination nodes, wherein the first time slot is set as the source node sends data to the relay node and the The process of the relay node receiving data, the second time slot is set as the process of the relay node sending data to the destination node and the destination nod...

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Abstract

The invention provides an EH energy harvesting collaborative communication network relay selection method. The method includes the following steps: establishing a link connection between one or a plurality of source nodes to a plurality of relay nodes and a plurality of relay nodes to a plurality of destination nodes, configuring a first time slot to be a process wherein a source node transmits data to a relay node and the relay node receives data, configuring a second time slot to be a process wherein the relay node transmits data to the destination node and the destination node receives data; and in the second time slot, computing the signal-to-noise ratio of respective relay nodes, selecting the relay node which has the maximum signal-to-noise ratio to transmit data to the destination node which requests a service. According to the invention, the method, with the objective of guaranteeing stable and continuing communication, can optimize energy usage and cause no damage to system capacity. Since relay users use same transmitted powers and also use different transmitted powers, the method herein separately provides different methods in selecting relays. In addition to the aforementioned advantages, the method and has better adaptability.

Description

technical field [0001] The present invention mainly relates to the technical field of wireless communication, in particular to a method for selecting a relay in an EH cooperative communication network. Background technique [0002] The current concept of green and environmentally friendly life has been deeply rooted in the hearts of the people. Reducing carbon emissions and mitigating the impact of the greenhouse effect has become the goal pursued by people all over the world, and the communication industry is no exception. Energy harvesting (EH), which obtains energy from renewable energy sources such as solar energy, wind energy, thermal energy, and radio frequency (RF) energy to drive communication devices and networks, has shown bright prospects for realizing green communication. [0003] In the existing cooperative relay selection research, less consideration is given to the scenario where the relay node has multiple transmission channels and provides services for multi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/155H04B17/40H04W40/08H04W40/22
CPCH04B7/15542H04B17/40H04W40/08H04W40/22Y02D30/70
Inventor 周忠瑶肖琨
Owner GUANGXI NORMAL UNIV
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