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Cell handover method, device and system

A cell handover, source cell technology, applied in the field of communications, can solve problems such as low handover efficiency and long service interruption time

Active Publication Date: 2021-06-15
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a cell switching method, device, and system to at least solve the problem of low switching efficiency caused by long service interruption time during the switching process of related cells

Method used

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  • Cell handover method, device and system
  • Cell handover method, device and system
  • Cell handover method, device and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] In this embodiment, a cell handover method is provided, image 3 is a flow chart according to an embodiment of the present invention, such as image 3 As shown, the process includes the following steps:

[0066] S302. Receive a handover command for instructing the terminal to switch from the source cell to the target cell, where the handover command carries first time information used to indicate that the terminal is in the source cell, and / or is used to indicate that the terminal is in the target cell. Secondary time information used;

[0067] S304. Control the terminal to communicate in the source cell according to the first time information, and control the terminal to communicate in the target cell according to the second time information;

[0068] S306. After completing the terminal's access to the target cell according to the communication in the target cell, determine that the terminal handover is successful.

[0069] Optionally, in this embodiment, the above ...

Embodiment 2

[0171] In this embodiment, a cell handover method is provided, Figure 7 is a flow chart according to an embodiment of the present invention, such as Figure 7 As shown, the process includes the following steps:

[0172] S702. Send a handover command to the terminal for instructing the terminal to switch from the source cell to the target cell, where the handover command carries the first time information used to indicate that the terminal is in the source cell, and / or is used to indicate that the terminal is in the target cell. Second time information used by the community;

[0173] S704, communicate with the terminal in the source cell according to the first time information;

[0174] S706. After the terminal accesses the target cell according to the communication in the target cell, disconnect the connection with the terminal.

[0175] Optionally, in this embodiment, the above cell switching method may be applied, but not limited to, to a base station corresponding to a ...

Embodiment 3

[0243] This embodiment also provides a cell handover device, which is used to implement the above embodiments and preferred implementation modes, and what has been described will not be repeated. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

[0244] Figure 8 is a structural block diagram of a cell handover device according to an embodiment of the present invention, such as Figure 8 As shown, the device includes:

[0245] 1) The receiving unit 802 is configured to receive a handover command for instructing the terminal to switch from the source cell to the target cell, where the handover command carries first time information used to indicate that the terminal is used in the source cell, and / or ...

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Abstract

The invention provides a cell switching method, device and system. Wherein, the method includes: receiving a handover command for instructing the terminal to switch from the source cell to the target cell, wherein the handover command carries the first time information used for instructing the terminal to use in the source cell, and / or is used for instructing the terminal The second time information used in the target cell; control the terminal to communicate in the source cell according to the first time information, and control the terminal to communicate in the target cell according to the second time information; when the terminal communicates with the target cell according to the communication in the target cell After accessing, it is determined that the terminal handover is successful. The present invention solves the problem of low switching efficiency in the prior art when performing cell switching on ordinary terminals or terminals with low connection support capabilities, and further achieves the effect of maintaining uninterrupted services and improving switching efficiency.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a cell switching method, device and system. Background technique [0002] figure 1 It is a schematic diagram of a protocol stack between a user equipment or a terminal (User Equipment, referred to as UE) and a base station (eNodeB, referred to as eNB) according to related technologies, as shown in figure 1 As shown, the protocol stack of the interface between UE and eNB in ​​the Long Term Evolution (LTE for short) system is divided into the following protocol layers from bottom to top: physical layer (Physical layer, PHY for short), media access control layer (Media Access Control, referred to as MAC), radio link control layer (Radio Link Control, referred to as RLC), packet data convergence layer (Packet Data Convergence Protocol, referred to as PDCP), radio resource control layer (Radio Resource Control, referred to as RRC) ). Among them, the PHY layer mainly transmits inf...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W36/08H04W74/08
CPCH04W36/0005H04W36/0077H04W36/0083H04W36/08H04W74/0833
Inventor 陈中明
Owner ZTE CORP