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User selection method based on cluster type wireless energy supply communication network

A wireless energy supply and communication network technology, applied in wireless communication, power management, electrical components, etc., can solve problems such as waste

Active Publication Date: 2019-08-02
XI AN JIAOTONG UNIV
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, in the information transmission stage, the previous literature seldom considers the use of variable power to send information, but uses fixed power to send information, which also leads to a certain waste of energy collected in the energy harvesting stage.

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  • User selection method based on cluster type wireless energy supply communication network
  • User selection method based on cluster type wireless energy supply communication network
  • User selection method based on cluster type wireless energy supply communication network

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Embodiment Construction

[0065] The present invention provides a user selection method based on a cluster-type wireless energy supply communication network. Based on the user-selected cluster-type wireless energy supply communication network, three user selection schemes are proposed: random selection (RS), maximum harvested energy (ME ) and maximum harvested energy and information (MEI). Considering this kind of cluster network, the energy beacon is used as the cluster head of the PCP network to provide power for wireless charging for users to communicate; in the information transmission stage, consider changing the power to send information, that is, use the collected energy to send information; The information receiver is composed of a plurality of information receivers. For the three schemes of RS, ME and MEI, the outage probability of the system is analyzed, and the theoretical derivation is simulated and verified. Among the three schemes proposed, MEI has the best performance, followed by RS, an...

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Abstract

The invention discloses a user selection method based on a cluster type wireless energy supply communication network. The cluster type wireless energy supply communication network comprises a user, areceiver or an energy beacon PB. each user has a radio frequency energy collection capability; all devices are equipped with a single omnidirectional antenna. the position of the PB is modeled by adopting a homogeneous Poisson point process model; wherein N is a positive integer, N is a positive integer and is expressed as PB, N users are placed in a circle with PB as a cluster center, the users adopt an HTT mode to collect energy first and then adopt random selection of the users, maximum collected energy or maximum collected energy and information to transmit information, the whole durationis 1, the duration of an energy collection stage is 1, and the duration of an information transmission stage is (1-2); according to the method, in the energy collection stage, the energy collection capability is improved, and support is provided for solving the wireless charging problem of the energy limited system.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a user selection method based on a cluster type wireless power supply communication network. Background technique [0002] In a wireless powered communication network, the location models of power beacons (PBs) and users and receivers largely determine the characteristics of the entire network. In existing studies, the locations of energy beacons and IoT devices are often modeled using Poisson point processes (PPPs). This model considers the location of the energy beacon and the location of the IoT device to be spatially independent and unrelated. The advantage of using this model is that the spatial position can be reasonably modeled, and the calculation is relatively simple. However, this model does not take into account the characteristics of the wireless power supply network itself and the impact of the actual environment on equipment deployment. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/24H04W52/28H02J50/20
CPCH02J50/20H04W52/242H04W52/243H04W52/283
Inventor 张超刘小楚
Owner XI AN JIAOTONG UNIV
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