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Rapid switching method, rapid switching device, terminal and base station

A fast handover and terminal technology, applied in the field of communication, can solve the problems of long handover time, complicated process, disadvantageous UE services, etc.

Inactive Publication Date: 2017-12-08
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] figure 1 The handover method shown is too long due to the complicated process, which is not conducive to the rapid access of the UE to the target base station to carry out corresponding services
However, how to quickly switch, there is no public technical solution for reference

Method used

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  • Rapid switching method, rapid switching device, terminal and base station
  • Rapid switching method, rapid switching device, terminal and base station
  • Rapid switching method, rapid switching device, terminal and base station

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Embodiment Construction

[0080] In order to understand the characteristics and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present invention.

[0081] Embodiments of the present invention provide a fast handover method, a fast handover device, a terminal, and a base station. During the handover process, the terminal does not perform a random access process, but directly enters a data communication process with a target base station, thereby speeding up the handover process.

[0082] The main purpose of the terminal performing the random access process is to obtain the transmission timing advance (TA). Based on this, when the terminal does not perform the random access process, the embodiment of the present inventio...

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Abstract

The invention discloses a rapid switching method, a rapid switching device, a terminal and a base station. The rapid switching method at least comprises the steps that the terminal sends an indication message for supporting a rapid switching capacity or not to a source base station; when the indication message indicates that the terminal supports the rapid switching capacity, the terminal receives a notification message which is sent by the source base station and is used for indicating rapid switching from the source base station to the target base station; and the terminal calculates a TA or obtains the TA calculated by the target base station from the notification message which is sent by the source base station and is used for indicating the rapid switching from the source base station to the target base station, cuts off data connection with the source base station and carries out data transmission and reception with the target base station.

Description

technical field [0001] The present invention relates to handover technology in the communication field, in particular to a fast handover method, a fast handover device, a terminal and a base station. Background technique [0002] In a mobile communication system, in order to ensure service quality and provide users with a good service experience, when a user equipment (UE, User Equipment) establishes a connection with the network in a certain cell, the UE still needs to send signals from the serving cell and neighboring cells. Quality is measured in order to select a suitable cell for handover to meet mobility requirements. figure 1 It is a schematic diagram of UE handover process, such as figure 1 As shown, in the Long Term Evolution (LTE, Long Term Evolution) system, the source base station (source eNB) decides to perform a handover process on the terminal (UE), sends a handover request message to the target base station (target eNB), and the target base station agrees to...

Claims

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Application Information

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IPC IPC(8): H04W36/00H04W36/08H04W36/30H04W68/00
CPCH04W36/0055H04W36/08H04W36/30H04W68/00
Inventor 陈中明
Owner ZTE CORP
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