User selection method for multi-user wireless energy transmission system

A wireless energy transmission and multi-user technology, applied in the user selection field of a multi-user wireless energy transmission system, can solve problems such as limiting multi-user diversity gain and limited search range

Active Publication Date: 2022-03-01
广东奎晟信息科技有限公司
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  • Application Information

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Problems solved by technology

[0004]The above two user selection methods are based on the user with the best channel quality for user selection, and their search range is very limited, which limits the diversity gain of multiple users

Method used

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  • User selection method for multi-user wireless energy transmission system
  • User selection method for multi-user wireless energy transmission system
  • User selection method for multi-user wireless energy transmission system

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Embodiment Construction

[0052] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0053] It should be noted that references in this specification to "one embodiment", "embodiment", "example embodiment" and the like mean that the described embodiment may include specific features, structures or characteristics, but not every Embodiments must include those specific features, structures or characteristics. Furthermore, such expressions are not referring to the same embodiment. Further, when specific features, structures or characteristics are described in conjunction with an embodiment, whether or not there is an explicit description, it has been indicated that it is within the kn...

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Abstract

The invention provides a user selection method for a multi-user wireless energy transmission system, and the method comprises the steps: taking the maximum average transmission rate of a wireless information decoding terminal ID as a target function, and meeting the constraint condition of the minimum required energy QE collected by an energy collection terminal EH, constructing a mathematical model between the wireless information decoding terminal ID and the energy acquisition terminal EH; respectively quantizing and pre-coding receiving channels of the energy acquisition terminal EH and the wireless information decoding terminal ID; and according to the re-pre-coded energy acquisition terminal EH and the wireless information decoding terminal ID, optimizing the constructed mathematical model between the wireless information decoding terminal ID and the energy acquisition terminal EH, and adaptively selecting the optimal wireless information decoding terminal ID. According to the method, under the condition that the total feedback bandwidth is fixed, user selection can be self-adapted under different parameter configurations, so that the maximum value of the total transmission rate of the wireless information decoding terminal user is achieved.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a user selection method for a multi-user wireless energy transmission system. Background technique [0002] Currently, greedy user selection methods and orthogonal user selection methods are mainly used for multi-user hybrid energy transmission and wireless communication transmission system selection. Among them, the greedy user selection method is a user selection method that directly takes the total transmission rate of multiple users as the optimization goal. The specific method is: the scheduler first selects the user with the highest reachable rate. Then, in each iteration, calculate the total transmission rate of the new user set composed of each remaining user and the selected cooperative users, and then select the user set with the highest total transmission rate as the new user set of this iteration . If any newly added user set cannot increase the tota...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/0456H04B17/382H04B17/391H04W24/02H04W28/02H04W28/22
CPCH04B7/0456H04B17/391H04B17/382H04W24/02H04W28/0221H04W28/22
Inventor 桂鑫黄晓鹏石俊峰
Owner 广东奎晟信息科技有限公司
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