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

Abstract

The invention discloses a cooperative wireless network sub-channel based on wireless energy collection and a power distribution method. The method comprises the following steps: continuously and iteratively determining minimum energy required by an energy collection user in a current time slot; continuously and iteratively determining the transmitting power distributed 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 remaining energy of the previous time slot is not less than the required minimum energy, continuously and iteratively determining the transmission power distributed to the cooperative user transmitter on the selected sub-channel in the second sub-time slot. The method has the advantages that the problem of limited energy of a wireless network without sustainable energy can besolved, channels and energy can be efficiently distributed, the calculation complexity is low, the residual energy of the previous time slot is utilized, and the energy utilization rate is increased.

Description

technical field [0001] The invention relates to a power allocation technology in a wireless network, in particular to a cooperative wireless network subchannel and power allocation 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 th...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a cooperative wireless network sub-channel and 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 channels and energy Resource allocation, in order to maximize the throughput of collaborative users, while reducing computational complexity, and also utilize the remaining energy of the previous time slot, improving energy utilization

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