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A method for simultaneous wireless information and energy transmission based on 5G high and low frequency band

An energy transmission and wireless technology, applied in the field of wireless communication, can solve problems such as not fully considering the mixing network

Inactive Publication Date: 2018-12-25
NORTHWESTERN POLYTECHNICAL UNIV
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AI Technical Summary

Problems solved by technology

Although the existing research work has promoted the development and application of SWIPT technology, these studies only focus on single-band mobile communication systems, and do not fully consider the problem of mixed-frequency networking, while full-frequency access technology (high frequency and low frequency) It is one of the key technologies of the future 5G

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  • A method for simultaneous wireless information and energy transmission based on 5G high and low frequency band
  • A method for simultaneous wireless information and energy transmission based on 5G high and low frequency band
  • A method for simultaneous wireless information and energy transmission based on 5G high and low frequency band

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Embodiment Construction

[0089] The present invention provides a simultaneous wireless information and energy transmission method based on 5G high and low frequency bands, which is used in a 5G mobile communication system and can effectively improve the user's energy collection efficiency. The coverage area of ​​the network includes a hotspot area (HSR) and a wide area Coverage Region (WCR), users located in the WCR can only receive information from the base station through the low frequency band. Users located in the HSR can receive information from the base station through the high frequency band while harvesting energy through the low frequency band. Designed by combining optimal matching theory and Lagrange dual decomposition technology, the high frequency band is used for short-distance information transmission, and the low-frequency band realizes short-distance energy transmission and long-distance information transmission through time division multiplexing mode.

[0090] The present invention i...

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Abstract

The invention discloses a simultaneous wireless information and energy transmission method based on 5G high and low frequency band. Firstly, a wireless information and energy transmission network based on 5G high and low frequency band is designed, a model of resource allocation in high-low mixing network is established, finally, combined with the optimal matching theory and Lagrange dual decomposition, an optimal algorithm for joint power and channel assignment is designed, the coverage area of the network includes hot spot area and wide area coverage area, users located in the wide area coverage area can only receive information from the base station through the low frequency band, users located in the hot spot area can receive information from the base station through the high frequencyband, and at the same time collect energy through the low frequency band, the energy collected by the equipment in the hot spot area comes from the data signal of users in the wide area coverage area. Compared with the traditional single frequency network, the invention not only can improve the throughput of the cell edge user, but also can improve the energy collection efficiency of the cell center user, and has great advantages in energy collection efficiency and user fairness.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a simultaneous wireless information and energy transmission method based on 5G high and low frequency bands, which can be used in a 5G wireless communication system. Background technique [0002] With the development of communication technology, the fifth generation of mobile communications (5G, the fifth generation of mobile communications) is expected to achieve commercial application in 2020 and beyond. Compared with previous generations of mobile communication systems, 5G can provide users with Gbps user experience data rate and almost zero end-to-end transmission delay, which promotes some new applications (such as ultra-high-definition video, mobile cloud, virtual reality, etc.) Can be supported in mobile state. In addition to improving the user's quality of service (QoS, quality-of-service), improving the user's quality of experience (QoE, quali...

Claims

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Application Information

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IPC IPC(8): H04B17/382H04B17/391H04W72/04
CPCH04B17/382H04B17/3912H04W72/0453Y02D30/70
Inventor 翟道森张若南郭旗李彬
Owner NORTHWESTERN POLYTECHNICAL UNIV
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