Method, device and system for dynamic frequency spectrum optimization

摘要

The present invention discloses a method, a device and a system for dynamic frequency spectrum optimization. The method includes: predicting a traffic distribution of terminal(s) in each cell of multiple cells; generating multiple frequency spectrum allocation schemes for the multiple cells according to the traffic distribution of the terminal(s) in each cell, wherein each frequency spectrum allocation scheme comprises frequency spectrum(s) allocated for each cell; selecting a frequency spectrum allocation scheme superior to a current frequency spectrum allocation scheme of the multiple cells from the multiple frequency spectrum allocation schemes according to at least two network performance indicators of a network in which the multiple cells are located; and allocating frequency spectrum(s) for the multiple cells using the selected frequency spectrum allocation scheme. The present invention improves the utilization rate of the frequency spectrum and optimizes the multiple network performance indicators at the same time.

主权项

1. A method for dynamic frequency spectrum optimization, comprising:
predicting, by a device for dynamic frequency spectrum optimization, a traffic distribution of at least one terminal in each cell of multiple cells; generating, by the device, first multiple frequency spectrum allocation schemes for the multiple cells according to the traffic distribution of the at least one terminal in each cell, wherein each frequency spectrum allocation scheme comprises at least one frequency spectrum allocated for each cell; selecting, by the device, a frequency spectrum allocation scheme superior to a current frequency spectrum allocation scheme of the multiple cells from the first multiple frequency spectrum allocation schemes according to at least two network performance indicators of a network in which the multiple cells are located, including selecting second multiple frequency spectrum allocation schemes superior to the current frequency spectrum allocation scheme using a genetic algorithm, according to the at least two network performance indicators of the network in which the multiple cells are located, to obtain a frequency spectrum allocation scheme set; and selecting an optimal frequency spectrum allocation scheme from the frequency spectrum allocation scheme set according to expected values of the at least two network performance indicators; and allocating, by the device, at least one frequency spectrum for the multiple cells using the selected frequency spectrum allocation scheme.