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A cell switching method and base station

A cell handover and base station technology, applied in the field of communication, can solve the problems that the handover process cannot be sent in parallel, increase UE call drops, increase the length of the handover preparation stage, etc., so as to save the handover preparation time, improve the handover success rate, and reduce UE dropouts. The effect of the risk of words

Active Publication Date: 2019-11-05
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0006] In the existing cell handover method, the handover request can only carry one target cell. If there are multiple candidate target cells, since the handover process cannot be sent in parallel, it can only be carried out in series, which will increase the duration of the handover preparation phase and increase the Risk of UE dropped calls

Method used

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  • A cell switching method and base station
  • A cell switching method and base station
  • A cell switching method and base station

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Embodiment Construction

[0048] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] figure 1 It is a schematic flow chart of the cell switching method of the present invention, such as figure 1 shown, including the following steps:

[0050] Step 101: the source base station obtains one or more candidate cells, and sends handover request messages to the home base stations of the one or more candidate cells in sequence.

[0051] Here, the source base station may directly obtain the configured one or more candidate cells through the background network management system, and sequentially send handover request messages to the home base stations of the one or more candidate cells for handover preparation.

[0052] Preferably, after the handover request message is sequentially sent to the home base stations of the one or more candidate cells, the method further includes:

[0053] The source base station receives h...

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Abstract

The invention discloses a cell switching method. The method includes: a source base station acquires one or more candidate cells, and sends a handover request message to the home base station of the one or more candidate cells in sequence; after the source base station receives the measurement report, According to the measurement report, the candidate cell with the highest priority is determined as the target handover cell, and after it is determined that the target handover cell is successfully prepared for handover, the UE is instructed to perform handover to the target handover cell. The invention also discloses a base station. The technical solution of the present invention can reduce the handover delay caused by the cell handover process, reduce the risk of UE call drops during cell handover, improve the handover success rate, ensure the continuity of services, and improve the user experience.

Description

technical field [0001] The invention relates to communication technology, in particular to a cell switching method and a base station. Background technique [0002] The Long Term Evolution (LTE, Long Term Evolution) system uses network control and user equipment (UE, User Equipment) assistance to perform handover. The entire handover process includes three stages: handover preparation, handover execution, and handover completion. The specific switching process is as follows: [0003] In the handover preparation phase, the source evolved Node B (eNB, evolved NodeB) sends a radio resource control (RRC, Radio Resource Control) connection reconfiguration message to the UE, and receives the measurement report returned by the UE, based on the local area carried in the measurement report and the channel quality information of adjacent cells, specifically, Reference Signal Received Power (RSRP, Reference Signal Received Power) or Reference Signal Received Quality (RSRQ, Reference S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08H04W36/30
CPCH04W24/10H04W36/304H04W36/08H04W36/0033H04W36/0061H04W36/0094
Inventor 章正权
Owner ZTE CORP
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