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Method for determining target base station in switching process

A technology of target base station and handover process, which is applied in the field of handover and determination of the target base station, which can solve problems such as inability to guarantee, achieve good communication quality, and satisfy the effect of communication quality

Active Publication Date: 2010-02-17
CHINA POTEVIO INFORMATION IND
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Problems solved by technology

[0017] Based on the above problems, it is proposed in the prior art to increase the real-time load information transmitted periodically between adjacent eNBs by proprietary signaling. However, since the real-time load information of each eNB is transmitted periodically, the source eNB is determining the target The load information based on the eNB does not really reflect the current load status of each candidate eNB, and there is still no guarantee that the target eNB can well meet the communication quality of the UE after the handover is completed.

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Embodiment Construction

[0025] The core idea of ​​the present invention is that after receiving the handover request from the source eNB, the candidate target eNB returns its own real-time load information to the source eNB, and the source eNB returns the real-time load information to the source eNB according to the received real-time load information and the measurement report sent by the UE. The target eNB is determined from each candidate target eNB, and the measurement value in the measurement report includes the power value of the signal received by the UE from the eNB.

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0027] figure 2 It is a flowchart of a method for determining a target base station during a handover process provided by a method embodiment of the present invention, as shown in figure 2 As shown, t...

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Abstract

The embodiment of the invention discloses a method for determining a target eNB in a switching process. The method comprises that: after receiving a switching request of a source eNB, an alternative target eNB feeds self real-time load information back to the source eNB; and the source eNB determines the target eNB from each alternative target eNB according to a measurement value in a measurementreport sent by UE and the load information, wherein the measurement value in the measurement report means a power value of a signal of the eNB received by the UE. The embodiment of the invention can comprehensively consider the measurement report sent by the UE and the current load condition of the alternative target eNB to determine the target eNB so as to ensure the communication quality betweenthe determined target eNB and the UE.

Description

technical field [0001] The present invention relates to handover technology in the communication field, in particular to a method for determining a target base station (eNB) during handover. Background technique [0002] User equipment (User Equipment, UE) will switch between eNBs to improve communication quality. The time spent by the UE in performing handover is called handover delay, and the handover delay is an important factor affecting communication quality. [0003] In the existing Long Term Evolution (Long Term Evolution, LTE) system, the source eNB selects the target eNB according to the measurement report from the UE. The measured value in the measurement report refers to the power value of the signal received by the UE from the eNB, and the power value is obtained by the UE measuring the power value of the signal from each eNB. The handover process is introduced below by taking the handover of the current LTE system through the X2 interface as an example. [00...

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Application Information

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IPC IPC(8): H04Q7/38H04Q7/34H04L1/16
Inventor 胡静伍振兴
Owner CHINA POTEVIO INFORMATION IND
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