The invention discloses a PCI (physical cell identify) distribution method in a 3D-MIMO (3-dimension multiple input multiple output) sector virtualization system. Virtual sectors formed by 3D-MIMO sector virtualization are divided according to the horizontal direction and the vertical direction; the PCI is divided into different sets according to different module values and form an ordered set sequence; the set sequences are allocated to the virtual sectors in a clockwise or anticlockwiuse circulation moving mode according to the number of virtual sectors in the horizontal direction. The method has the advantages that the problem of PCI collision due to PCI resource insufficiency caused by 3D-MIMO sector virtualization is effectively relieved; the PEC collision between virtual sectors between adjacent cells and the PCI collision between the virtual sectors inside the cells can be avoided; the cell measurement accuracy is improved.

PCI (physical cell identify) distribution method in 3D-MIMO (3-dimension multiple input multiple output) sector virtualization system

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PCI (physical cell identify) distribution method in 3D-MIMO (3-dimension multiple input multiple output) sector virtualization system