LTE (long term evolution) single-card dual-standby multimode terminal and PS (packet switching) service switching method thereof

A single-card dual-standby, multi-mode terminal technology, applied in the field of communication, can solve problems such as increasing data delay, achieve the effects of reducing switching delay, avoiding interruption, and improving network resource efficiency

Active Publication Date: 2012-04-11
HONOR DEVICE CO LTD
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Problems solved by technology

[0017] An embodiment of the present invention provides an LTE single-card dual-standby multi-mode terminal and a PS service switching method thereof, aiming to solve the problem that the

Method used

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[0054] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0055] See figure 2 , The PS service switching method for LTE single-card dual-standby multi-mode terminal provided by the first embodiment of the present invention includes the following steps:

[0056] S101. The LTE single-card dual-standby multimode terminal reports to the handover source system that it has single-card dual-standby capability through a measurement report in the handover preparation phase;

[0057] Wherein, after step S101, the method may further include:

[0058] After the LTE single-card dual-standby multi-mode terminal receives the handover command sent by the handover source s

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Abstract

The invention is applicable to the technical field of communication and provides an LTE (long term evolution) single-card dual-standby multimode terminal and a PS (packet switching) service switching method thereof. The method comprises the following steps that: the LTE single-card dual-standby multimode terminal reports to a switch source system that the single-card dual-standby ability is available through a measurement report in a switch preparation stage; before a downlink channel between the LTE single-card dual-standby multimode terminal and a switch target system is established, the LTE single-card dual-standby multimode terminal receives downlink data from a base station of the switch source system; after the downlink channel between the LTE single-card dual-standby multimode terminal and the switch target system is established and the original data path of the switch source system is removed, the LTE single-card dual-standby multimode terminal finishes the PS service switch between an LTE system and a 2G/3G system; and the LTE single-card dual-standby multimode terminal closes a service channel of the switch source system and receives a downlink data stream from the switch target system. Through the invention, the switch delay of data service is reduced, and the switch interruption of the data service is avoided; and moreover, a network element does not need to establish a transfer channel when in switching, thus the efficiency of network resources is improved.

Description

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Claims

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Application Information

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Owner HONOR DEVICE CO LTD
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