Cell switching method and device

A cell switching and cell technology, applied in wireless communication, electrical components, etc., can solve the problems of reducing user experience, user service interruption, frequent switching, etc., and achieve the effect of improving user experience, reducing load, and optimizing switching effects

Inactive Publication Date: 2016-04-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the mobile speed of the terminal is relatively fast, the terminal may switch from a small cell to a small cell, and continuously switch between small areas, resulting in frequent switching, increasing the switching signaling load of the network, causing interruption or delay of user services, and reducing user experience
The terminal may also switch directly from the WLAN to the micro cell, resulting in frequent switching

Method used

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  • Cell switching method and device

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Experimental program
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Embodiment 1

[0056] Considering that the current cell switching method does not take into account the mobile speed of the terminal, which causes frequent switching of the terminal, this embodiment provides a cell switching method, such as figure 1 shown, including the following steps:

[0057] Step 101: Obtain the moving speed of the terminal.

[0058] In the method of this embodiment, the following two methods can be used to obtain the moving speed of the terminal:

[0059] In the first type, the speed is measured by the base station, and the base station can use technologies such as MIMO and frequency offset estimation to realize the measurement.

[0060] In the second type, the speed is measured by the terminal, and the terminal can realize accurate measurement of the speed through its own sensor and other measuring devices. The measurement report is periodically reported to the base station, and the speed measurement field can be directly added at the end of the measurement report me...

Embodiment 2

[0135] Such as Figure 5 As shown, this embodiment provides a cell switching device, specifically including: a speed acquisition module, a cell selection module and a cell switching module;

[0136] The speed acquiring module is used to acquire the moving speed of the terminal;

[0137] The cell selection module is used to select a handover target cell from candidate handover cells according to the moving speed of the terminal;

[0138] The cell handover module is used to handover the terminal to the handover target cell.

[0139]The cell handover device provided in this embodiment considers the moving speed factor of the terminal during cell handover, and determines a suitable handover target cell according to the moving speed of the terminal, avoiding the frequent occurrence of terminals caused by the existing cell handover that does not consider the moving speed of the terminal To solve the switching problem, optimize the switching effect and improve the user experience. ...

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Abstract

The invention discloses a cell switching method and device. The cell switching method comprises the following steps: acquiring a movement speed of a terminal; and selecting a switching target cell from candidate switching cells according to the movement speed of the terminal, and switching the terminal to the switching target cell. According to the cell switching method provided by the invention, a movement speed factor of the terminal is considered, and a proper switching target cell is determined according to the movement speed, so that the problem of frequent switching of the terminal due to miss of consideration of the movement speed of the terminal in existing cell switching is solved; the switching effect is optimized; and the user experience is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a cell switching method and device. Background technique [0002] At present, with the development of wireless communication, especially the large-scale popularization of 4G technology and future 5G technology, the distribution of wireless cells presents a multi-mode situation. GSM, UMTS, LTE, TDSCDMA, CDMA and other wireless systems coexist, which makes the cell The distribution of the distribution presents a vertical distribution structure of macro cells, micro cells, femto cells, and pico cells; at the same time, the distribution of wireless local area network WLAN is becoming more and more extensive, and there are more and more differences with the cells of multi-mode wireless systems. Interaction, and gradually towards integration. Under the converged heterogeneous network architecture, it is often necessary to switch between different standards of mu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/32
CPCH04W36/32
Inventor 侯晓辉
Owner ZTE CORP
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