Method, device and system for selecting target cell

A technology for selecting targets and target cells, which is applied in the field of communication and can solve problems such as harsh time delays

Active Publication Date: 2010-06-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the LET-A system, the end-to-end delay is more stringent

Method used

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  • Method, device and system for selecting target cell
  • Method, device and system for selecting target cell
  • Method, device and system for selecting target cell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Please refer to figure 1 , is a flow chart of a method according to an embodiment of the present invention, including the following steps:

[0036] Step 101: Determine the frequency points that the user equipment needs to measure, where the frequency points that need to be measured include: the frequency points contained in the neighboring cells of the cell where the user equipment is located filter out the overloaded frequency points in neighboring cells, and / or the neighboring cells that the user equipment is moving away from Frequency points included in the cell, and / or frequency points not supported by the user equipment;

[0037] Step 102: Notifying the user equipment to measure the frequency point to be measured;

[0038] Step 103: Receive the measurement result of the frequency point to be measured returned by the user equipment;

[0039] Step 104: Select a target cell according to the measurement results of the frequency point to be measured.

[0040] It can ...

Embodiment 2

[0041] Please refer to figure 2 , is a flow chart of the second method of the present invention, including the following steps:

[0042] Step 201: Determine the frequency points that the user equipment needs to measure, where the frequency points that need to be measured include: the frequency points included in the neighboring cells of the cell where the user equipment is located filter out the overloaded frequency points in neighboring cells, and / or the neighboring cells that the user equipment is moving away from Frequency points included in the cell, and / or frequency points not supported by the user equipment;

[0043] Step 202: Notifying the user equipment to measure the frequency point to be measured;

[0044] Step 203: Receive the measurement result of the frequency point to be measured returned by the user equipment, the measurement result of the frequency point to be measured includes the frequency point marked by the user equipment;

[0045] Step 204: Select a fre...

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PUM

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Abstract

The invention discloses a method, device and system for selecting target cell. The method disclosed by the invention includes: frequency points required to measured by user equipment are determined, wherein the frequency points required to be measured include frequency points except overload ones contained in adjacent cells of the cell where the user equipment is located, and/or frequency points contained in the adjacent cells where the user equipment is about to leave, and/or frequency points not supported by the user equipment; the user equipment is notified to measure the frequency points required to be measured; measurement result of the frequency points required to be measured returned by the user equipment is received; and a target cell is selected according to the measurement result of the frequency points required to be measured. By applying the invention, measurement delay is reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for selecting a target cell. Background technique [0002] When performing cell handover, the selected target cell is usually the eNB (Evolve Node Base Station, base station) according to the serving cell where the UE (User Equipment, user equipment) is located, selects the frequency point of the adjacent cell and sends it to the UE; the user equipment downloads to the base station Based on the measured value reported by the user equipment, the base station selects the cell where the frequency point with the strongest signal is located as the target cell. [0003] In LTE-A (Long Term Evolution Advanced, enhanced long-term evolution project), multiple bands are aggregated, and the specific bands are as follows: 450-470MHz band, 698-862MHz band, 790-862MHz band, 2.3-2.4GHz band, 3.4 -4.2GHz band, 4.4-4.99GHz band. [0004] During the res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/30
Inventor 肖登坤李安俭贺媛于映辉
Owner HUAWEI TECH CO LTD
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