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Base station switching method used for terminal

A base station handover and terminal technology, applied in the field of communication and information, can solve the problems of long interruption delay, service interruption, and inability to meet the continuity of user data access, and achieve the effect of realizing information exchange and reducing handover interruption delay.

Active Publication Date: 2018-10-09
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the existing handover process is usually a data interaction process after the terminal establishes a connection with the target base station. During the handover process, if the connection with the source serving cell is always maintained and the data exchange is performed Continuous deterioration will gradually cause the source serving cell to be unable to serve the terminal, resulting in service interruption and long interruption delay, which cannot meet the user's demand for data access continuity

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  • Base station switching method used for terminal
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  • Base station switching method used for terminal

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] During the LTE handover process, the uplink / downlink data interaction process can only be performed after the terminal and the target cell complete the uplink synchronization process. The handover interruption delay is long, which cannot meet the requirement of 0ms interruption delay for 5G NR handover. The fifth generation of communi...

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Abstract

The invention provides a base station switching method used for a terminal. The method includes steps: the terminal receives a switching command from a source base station; the terminal interacts witha target base station about an uplink / downlink data PDCP state report; and after the interaction of the uplink / downlink data PDCP state report is completed, the terminal and the target base station perform transmission of uplink / downlink data. According to the method, information interaction of the uplink / downlink data PDCP state report can be realized in a process of establishing uplink synchronization by the terminal and the target base station, and the transmission of the uplink / downlink can be performed in time so that technical effects of rapid interaction with the target base station and reduced time delay of switching interruption are achieved.

Description

technical field [0001] The invention relates to the field of communication and information technology, in particular to a base station switching method for a terminal. Background technique [0002] With the continuous development of wireless communication technology, users have put forward more urgent demands for ultra-high traffic density, ultra-high connection density and ultra-high mobility. In this regard, following the third-generation mobile communication technology and the fourth-generation mobile communication technology, the "Third Generation Partnership Project" (3GPP) will introduce the fifth-generation mobile communication (5G) technology, which has greater data capacity and New Radio Access Technology in 3GPP (NR) technology with faster data processing speed to meet the demand for larger data volume and the demand for smaller transmission delay. In the fifth-generation mobile communication technology, due to the diversification of services, higher requirements ...

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Application Information

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IPC IPC(8): H04W24/10H04W36/08
CPCH04W24/10H04W36/08
Inventor 高兴航田文强
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD