Switching method and terminal in long evolved system

A long-term evolution system and terminal technology, applied in the field of communication, can solve problems such as service termination, system service quality degradation, and failure to consider the handover execution plan, etc., to achieve the effect of perfecting the handover process

Active Publication Date: 2012-08-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] It can be seen that there are many situations in this scenario, and these different situations are not considered in the prior art to provide a specific handover execution plan
Moreover, the current existing technology cannot support the requirements in this scenario, which may lead to a decrease in the system service quality, and may even cause the service to be terminated.

Method used

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  • Switching method and terminal in long evolved system
  • Switching method and terminal in long evolved system
  • Switching method and terminal in long evolved system

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Embodiment Construction

[0042] The core of the present invention is aimed at the characteristics of the LTE system supporting variable bandwidth technology. When the same-frequency handover is performed when the LTE system bandwidth is greater than the terminal bandwidth, different processing methods are adopted according to the frequency bands that the terminal switches to the target cell. If the terminal needs to switch to the same frequency band on the target cell, the terminal does not change the operating frequency, and directly switches to the specified frequency band of the target cell; if the terminal needs to switch to a different frequency band on the target cell, the terminal changes the operating frequency, and then directly switches to the target cell. The designated frequency band of the cell, in particular, can also be switched to the designated frequency band of the target cell through the combination of the intra-cell reconfiguration process and the handover process.

[0043] In order...

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Abstract

The utility model discloses a switching method in long-term evolution system, which comprises the following steps: a terminal receives a switch order sent by a source cell; if the terminal band width is small than that of the system, implementing switch operation according to the relationship between the frequency band to be switched to the target cell and the service frequency band of the sourcecell. The utility model also discloses a terminal, which comprises a receiving unit, a transmitting unit, a switch type informing unit, a switch mode confirming unit and a switch executing unit. The utility model has the advantages of effectively switching the terminal to the target cell and completing switch process under the condition that the system bandwidth is bigger than that of the terminal in the long-term evolution system.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a handover method and terminal in a long term evolution system. Background technique [0002] In order to make the wireless access technology of 3GPP (The 3rd Generation Partnership Project, third-generation mobile communication standardization partner project) in a favorable position in the environment of fierce competition in future mobile communication technology, it is necessary to consider the long-term evolution of the 3GPP wireless access technology ( LTE, Long Term Evolution). The goal of Long-Term Evolution is to develop a framework for radio access technologies characterized by high data rates, low response times, and optimal packet access. Therefore, the important parts that need to be studied in long-term evolution include: reducing response time, increasing user data rate, improving system capacity and coverage, etc. Among them, during the handover p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W88/00H04W36/08
Inventor 吴昊尹丽燕
Owner HUAWEI TECH CO LTD
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