Relay auxiliary information and energy transmission method based on time slot switching

A technology of time slot switching and auxiliary information, applied in wireless communication, electrical components, circuit devices, etc., can solve problems such as large dependence, difficult control, inconvenient configuration of wireless nodes and reliable power supply

Active Publication Date: 2018-09-28
山东泰山安泰物联网科技有限公司
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  • Application Information

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Problems solved by technology

This technology makes up for the shortcomings of traditional energy collection, and solves the problem that the collection of energy from the natural environment (such as geothermal energy, wind energy, vibratio

Method used

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  • Relay auxiliary information and energy transmission method based on time slot switching
  • Relay auxiliary information and energy transmission method based on time slot switching
  • Relay auxiliary information and energy transmission method based on time slot switching

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Embodiment Construction

[0065] figure 1 Scene diagram of relay auxiliary information and energy transmission based on time slot switching for wireless energy carrying network. SWIPT relay has the functions of information transmission and energy collection. source node S 1 and S 2 Powered by the power supply, the energy of the relay R without power supply is limited, and R needs to be transferred from S 1 and S 2 The energy received and stored in the transmitted radio frequency signal is used for subsequent information transmission from relay R to destination node D. With the assistance of relay R, source node S 1 and S 2 Send independent signals x to destination node D respectively 1 and x 2 .

[0066] figure 2 It is a SWIPT relay receiver structure based on time slot switching. The receiver is composed of time slot switcher, information transceiver and energy harvester. R from S i The received signal is sent to the energy harvester for energy collection within the time of (1-σ)T / 2, and...

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Abstract

The invention discloses a relay auxiliary information and energy transmission method based on time slot switching. According to the relay auxiliary information and energy transmission method disclosedby the invention, a SWIPT relay with an energy collection function is imported, and a scene and mathematical model of the proposed relay auxiliary information and energy transmission method based ontime slot switching is provided. The system interruption performance and the energy efficiency performance are analyzed. The influence of a time slot switching factor on the SWIPT interruption performance and the energy efficiency is studied. Studies show that when a high-time-slot switching factor meets the performance requirements of the energy efficiency, a relatively low interruption probability can be obtained. Meanwhile, the influence of the source transmitting power on the SWIPT interruption performance and the energy efficiency is analyzed, and the studies show that, if the source transmitting power is high, the relatively low interruption probability can be obtained, but the energy efficiency is too low. In order to balance the interruption performance and the energy efficiency, signals cannot be transmitted at the maximum power, but should be transmitted at the 'optimal' power. By adoption of the relay auxiliary information and energy transmission method disclosed by the invention, the requirements of a wireless energy-carrying network for the interruption performance and the energy efficiency are effectively satisfied, and the balance between information transmission andenergy collection is achieved at the same time.

Description

technical field [0001] The present invention belongs to the technical field of information and communication engineering, and proposes relay receiver-assisted transmission based on time slot switching (Time Switching, TS) in the case of limited node energy in a wireless energy carrying (Simultaneous Wireless Information and Power Transfer, SWIPT) network. In the information and energy transmission method, the outage probability and energy efficiency quantitative analysis process of SWIPT network relay cooperative transmission is given. The method involves a compromise between Outage Performance (OP) and Energy Efficiency (EE) in a wireless energy-carrying network, and is mainly a TS-based relay auxiliary information and energy transmission method that achieves a trade-off between outage performance and energy efficiency in a SWIPT network. Background technique [0002] In recent years, the ever-expanding information and communication technology (Information and Communication...

Claims

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Application Information

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IPC IPC(8): H04W24/04H04W36/00H04W40/10H04W40/22H02J50/80
CPCH04W24/04H04W36/0011H04W36/0083H04W40/10H04W40/22H02J50/80
Inventor 许晓荣洪鑫龙姚英彪冯维
Owner 山东泰山安泰物联网科技有限公司
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