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Cell switching method and device

A cell handover and candidate cell technology, which is applied in the direction of transmission path sub-channel allocation, signaling allocation, electrical components, etc., can solve the problems of handover failure, limited configuration size, and inability to handover to the target cell, etc., and achieve the effect of handover performance improvement

Active Publication Date: 2019-10-18
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally speaking, due to cost constraints, the configuration size that a UE can store is limited
When the number of configuration signaling bits contained in the cell handover command is too large, the internal configuration restrictions of the UE may cause the source serving cell to fail to send all the cell handover commands to the UE, resulting in the UE being unable to handover to the most suitable target cell, affecting Handover performance of the UE may even cause handover failure in severe cases, affecting user experience

Method used

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  • Cell switching method and device

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Embodiment Construction

[0044] Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0045] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0046] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, componen...

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PUM

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Abstract

The invention relates to a cell switching method and device, and the method comprises the steps: transmitting a switching request message which comprises a capacity indication message of a pre-configuration parameter when the cell switching method is applied to a first base station; receiving a switching request confirmation message, wherein the switching request confirmation message comprises thepre-configuration parameter, and determining the capacity of the pre-configuration parameter according to a capacity indication message; sending a switching command according to the switching requestconfirmation message; when the cell switching method is applied to a second base station, the method comprises the following steps: receiving a switching request message; generating a switching request confirmation message according to the switching request message; sending handover request acknowledgement messages. Through the above process, the capacity of the pre-configuration parameter can belimited through the capacity indication message, so that the possibility that the switching command exceeds the configuration limitation of the user equipment is reduced, the user equipment is enabled to receive the switching command configured by a plurality of candidate target cells as much as possible, normal cell switching is ensured, and the switching performance is improved.

Description

technical field [0001] The present disclosure relates to the field of wireless communication, and in particular to a cell handover method and device. Background technique [0002] In a wireless communication system, when a user equipment (UE, User Equipment) moves from one cell to another, channel switching is required to maintain uninterrupted communication of the mobile user, and this process may be called cell switching. [0003] Generally speaking, due to cost constraints, the configuration size that can be stored in a UE is limited. When the number of configuration signaling bits contained in the cell handover command is too large, the internal configuration restrictions of the UE may cause the source serving cell to fail to send all the cell handover commands to the UE, resulting in the UE being unable to handover to the most suitable target cell, affecting Handover performance of the UE may even cause handover failure in severe cases, affecting user experience. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/08
CPCH04W36/0005H04W36/362H04W36/0058H04L5/0053
Inventor 邓云范伟
Owner SPREADTRUM COMM (SHANGHAI) CO LTD