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Cell switching method and device, storage medium, user equipment and network equipment

A cell handover and user equipment technology, applied in electrical components, wireless communication, etc., can solve the problem of low data transmission rate

Active Publication Date: 2019-05-07
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Using the existing NR protocol will cause the UE to use the default BWP to transmit data for a long time after the handover is completed, and the data transmission rate is low

Method used

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  • Cell switching method and device, storage medium, user equipment and network equipment
  • Cell switching method and device, storage medium, user equipment and network equipment
  • Cell switching method and device, storage medium, user equipment and network equipment

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Embodiment Construction

[0051] Those skilled in the art understand that, as mentioned in the background art, adopting the current NR protocol will cause the UE to use the default BWP to transmit data for a long period of time after the handover is completed, and the data transmission rate is low.

[0052] An embodiment of the present invention provides a cell handover method. First, the UE receives the measurement control information sent by the source cell. The measurement control information includes information about the BWP supported by each neighboring cell, and the BWP includes a default BWP and a service BWP, so that The UE can know the default BWP and service BWP of each neighboring cell before cell switching; then according to the measurement control information, the UE can measure the BWP supported by each neighboring cell in advance before cell switching to obtain a measurement report , the measurement report may at least include measurement results of the default BWP of each neighboring ce...

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PUM

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Abstract

A cell switching method and device, a storage medium, user equipment and network equipment, the method comprising: receiving measurement control information sent by a source cell, the measurement control information comprising a BWP supported by each neighbor cell, the BWP comprising a default BWP and a service BWP; Measuring the BWP of each neighbor cell according to the measurement control information to obtain a measurement report which at least comprises the measurement result of the default BWP of each neighbor cell; Sending a measurement report to the source cell, so that the source celldetermines a target cell; Receiving a switching command sent by the source cell, wherein the switching command comprises a default BWP of the target cell and configuration information associated witha service BWP of the target cell; And accessing the target cell according to the default BWP, and determining the adopted service BWP according to the configuration information so as to continue service transmission by using the adopted service BWP. Through the scheme of the invention, the rate bottom falling time caused by switching can be reduced as much as possible, and the data transmission rate is improved.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a cell switching method and device, storage medium, user equipment, and network equipment. Background technique [0002] In order to adapt to the different bandwidth capabilities of different user equipment (UE), the Fifth-Generation mobile communications (5G) system introduces a new concept "bandwidth part" while setting a large bandwidth to increase the communication rate. (Band Width Part, BWP for short)", so that the UE can be allocated a BWP that matches its bandwidth capability. The 5G system divides BWP into default BWP and service BWP. The default BWP is the minimum bandwidth that satisfies the UE's access to the 5G system. Normally, the default BWP is narrowband, which cannot achieve high-speed data transmission; the service BWP is broadband, which can perform high-speed data transmission. Considering that the network does not know the bandwidth capability...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W24/10
Inventor 孙宇
Owner SPREADTRUM COMM (SHANGHAI) CO LTD