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Method, device and network system for merging virtual cells

A technology of virtual cells and areas, applied in the field of network communication, can solve the problems of low user rate, reduced RRH and user signal transmission rate, etc., to achieve the effect of eliminating strong interference, increasing the rate of signal transmission, and increasing the rate of users

Active Publication Date: 2021-12-07
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a method, device and network system for merging virtual cells, which solves the problem of strong interference between overlapping virtual cells in the prior art, which reduces the rate of signal transmission between the RRH and the user. The problem that causes the user rate of the whole network to be low

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  • Method, device and network system for merging virtual cells
  • Method, device and network system for merging virtual cells
  • Method, device and network system for merging virtual cells

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Embodiment 1

[0104] Embodiment 1. The embodiment of the present invention provides a method for merging virtual cells, such as figure 1 Shown include:

[0105] S101. Divide an overlapping area composed of at least two virtual cells in a preset area.

[0106] S102. When the first virtual cell Cell-1 and the second virtual cell Cell-2 in the overlapping area meet the merging condition, merge the first virtual cell Cell-1 and the second virtual cell Cell-2 that meet the merging condition in the overlapping area into a new virtual community Mu-Cell.

[0107] Wherein, the first virtual cell Cell-1 and the second virtual cell Cell-2 respectively belong to one of at least two virtual cells Cell, and the first virtual cell Cell-1 and the second virtual cell Cell-2 are different, the first virtual cell The cell Cell-1 provides services for at least one first UE, the second virtual cell Cell-2 provides services for at least one second UE, and the new virtual cell Mu-Cell provides services for at l...

Embodiment 2

[0109] Embodiment 2. The embodiment of the present invention provides a method for merging virtual cells, such as Figure 2-a – Figure 2-d Shown include:

[0110] Scenario 1. Embodiments of the present invention provide a method for merging virtual cells, such as Figure 2-a Shown include:

[0111] S1010. Obtain the reference signal received power RSRP value measured by the UE through the remote radio head RRH-1 in the preset area, where the remote radio head RRH-1 is any remote radio head RRH in the preset area.

[0112] S1020. Compare the RSRP value with the RSRP threshold value.

[0113] It should be noted that the RSRP threshold value refers to the minimum RSRP set by the UE; for example, if the RSRP threshold value is -130dBm, and the RSRP value measured by the UE through RRH-a is -100dBm, the measured RSRP value at this time -100dBm is greater than the RSRP threshold value -130dBm, so this RRH-a can be used as the RRH that provides services for the UE; if the RSRP v...

Embodiment 3

[0193] Embodiment 3. Embodiments of the present invention provide an implementation of a virtual cell merging method in practical applications, such as Figure 3-a , Figure 3-b as well as Figure 4-a-Figure 4-e Shown include:

[0194] It should be noted that Embodiment 3 aims to provide a method for merging virtual cells to be applied under the same-frequency condition of ultra-dense C-RAN downlink multi-antenna RRH (the RRH in the embodiment uses 2 transmit antennas and the user has a single antenna). It solves the problem of converting the interference between virtual cells into multi-user interference in the virtual cell under the condition of unified frequency reuse, combined with the layered precoding algorithm, to improve the average user spectral efficiency and the user rate of the entire network.

[0195] Step S1, according to the RSRP threshold, an initial virtual cell centered on the user is formed.

[0196] It should be noted that, in actual application, step S1...

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Abstract

Embodiments of the present invention provide a virtual cell merging method, device, and network system, which relate to the field of network communication technology, and solve the problem that strong interference will occur between overlapping virtual cells in the prior art, so that the RRH and the user The rate of signal transmission is reduced, resulting in a problem of lower user rate in the entire network. The method includes, dividing an overlapping area composed of at least 2 virtual cells in the preset area; when the first virtual cell Cell-1 and the second virtual cell Cell-2 in the overlapping area meet the merge condition, the The first virtual cell Cell-1 and the second virtual cell Cell-2 of the merge condition are merged into a new virtual cell Mu-Cell. The embodiment of the present invention is used to provide a method for merging overlapping virtual cells.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a virtual cell merging method, device and network system. Background technique [0002] Facing the demand for data traffic that will increase by thousands of times in 2020 and in the future, the fifth-generation mobile communication technology (English full name: 5th-Generation, abbreviation: 5G) system will be built on large-scale antennas, ultra-dense networking, and full-spectrum access. In the high-capacity hotspot scenario, the system capacity is increased by increasing the number of low-power nodes, so that the density of low-power nodes may reach ten times or even higher than the current deployment density of base stations, thus forming an ultra-dense network. network. [0003] In order to reduce the interference between communication cells under an ultra-dense deployment network, this problem can be solved by user-centered virtualized cell technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/18H04W24/02
CPCH04W16/18H04W24/02
Inventor 刘珊刘琪陈露夏海轮陈祎
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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