Patent ID: 8712332
Filing Date: 2014-04-29
Classification: H04W

Abstract:
1. A cell coverage and capacity self-optimization method in a mobile communication network, comprising: calculating spectral efficiency of a cell; if the spectral efficiency of the cell is less than a first threshold, start vertical sectorization processing of the cell to divide the cell into an inner sector and an outer sector; configuring relevant parameters of the inner sector and the outer sector to improve the spectral efficiency of the cell; calculating spectral efficiency of the outer sector; and if the spectral efficiency of the outer sector is less than a second threshold, starting inter-cell interference coordination to improve the spectral efficiency of the outer sector, and reconfiguring the relevant parameters of the inner sector and the outer sector to improve the spectral efficiency of the cell; wherein the calculating the spectral efficiency of the cell comprises: determining the spectral efficiency according to a sum of service rates of cell users and bandwidth allocated to the cell; and the calculating the spectral efficiency of the outer sector comprises: determining the spectral efficiency according to a sum of service rates of outer sector users and bandwidth allocated to the outer sector; wherein the determining the spectral efficiency according to the sum of the service rates of the cell users and the bandwidth allocated to the cell comprises: calculating the spectral efficiency according to the following formula: wherein η