Wireless network sub-channel power distribution method based on wireless energy collection

An energy harvesting and channel power technology, applied in wireless communication, energy consumption reduction, transmission monitoring, etc., can solve the problems of no sustainable energy and limited wireless network energy, etc.

Pending Publication Date: 2019-10-25
NINGBO UNIV
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a wireless network sub-channel power allocation method based on wireless energy collection, which can solve the problem of limited energy in wireless networks without sustainable energy, and can efficiently allocate resources for channels and energy , in order to achieve the purpose of maximizing the throughput of cooperative users, while reducing the computational complexity, and also utilizing the remaining energy of the previous time slot, improving the energy utilization rate

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  • Wireless network sub-channel power distribution method based on wireless energy collection
  • Wireless network sub-channel power distribution method based on wireless energy collection
  • Wireless network sub-channel power distribution method based on wireless energy collection

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0038] The present invention proposes a wireless network sub-channel power allocation method based on wireless energy collection, figure 1 A cooperative wireless network based on wireless energy harvesting technology is given, figure 2 Provide the block flow chart of the inventive method, the inventive method comprises the following steps:

[0039] Step 1. In the cooperative wireless network, there is a cooperative user and an energy harvesting user, the cooperative user is composed of a cooperative user transmitter and a cooperative user receiver, and the energy harvesting user is composed of an energy harvesting user transmitter and an energy harvesting user receiver; The bandwidth of the total channel of the cooperative wireless network is recorded as B; a current time slot to be processed in the cooperative wireless network is defined as...

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Abstract

The invention discloses a wireless network sub-channel power distribution method based on wireless energy collection. The method comprises the following steps: continuously iterating to determine minimum energy required by an energy collection user in a current time slot; continuously iterating to determine the transmitting power allocated to the cooperative user transmitter on the selected sub-channel in the first sub-time slot, and further calculating the energy collected by the energy collection user transmitter in the current time slot; when the sum of the obtained energy and the residualenergy of the previous time slot is not less than the required minimum energy, continuously iterating to determine the transmitting power allocated to the cooperative user transmitter on the selectedsub-channel in the second sub-time slot; continuously iterating to determine the transmitting power allocated to the energy harvesting user transmitter on the selected sub-channel in the second sub-time slot, and further calculating the actual throughput of the energy harvesting user in the current time slot; and when the actual throughput is not smaller than the minimum throughput, completing thedistribution of the transmitting power. The method has the advantages of low calculation complexity and high energy utilization rate.

Description

technical field [0001] The invention relates to a power distribution technology in a wireless network, in particular to a wireless network sub-channel power distribution method based on wireless energy collection. Background technique [0002] With the rapid development of wireless communication technology, the limited energy of wireless network has become a major challenge limiting the development of wireless communication technology. Aiming at the problem of limited energy in wireless networks, there are currently two main ideas in the industry. The first is to use larger-capacity batteries, which are limited by the size of the battery; the other is to introduce wireless energy harvesting technology to solve wireless network problems. The problem of insufficient energy. In recent years, wireless energy harvesting has entered the stage of history. Unlike traditional battery-driven communication systems, wireless networks can obtain energy from the environment through wirel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04B17/382
CPCH04W72/0473H04W72/0446H04B17/382Y02D30/70
Inventor 金明孙铭阳
Owner NINGBO UNIV
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