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Method for processing switching between heterogeneous systems

A heterogeneous system and handover decision-making technology, applied in connection management, electrical components, wireless communication, etc., can solve handover failure and other problems, and achieve the effect of ensuring continuity

Inactive Publication Date: 2009-07-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] The purpose of the present invention is to provide a method for handling handover between heterogeneous systems to solve the problem of handover failure due to the fact that the target base station and the pre-registered base station are not the same base station during the formal handover process after pre-registration

Method used

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  • Method for processing switching between heterogeneous systems
  • Method for processing switching between heterogeneous systems
  • Method for processing switching between heterogeneous systems

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0038] In this embodiment, the MME sends a connection establishment request to the pre-registered base station, and the pre-registered base station then performs information interaction with the target base station, such as figure 2 Shown is a schematic flow diagram of Embodiment 1 of the present invention, and the flow includes:

[0039] Steps 200-204 are basically the same as the prior art, except that the source base station makes a handover decision after receiving the measurement report of the target system from TE, and decides to switch to a new target base station, and the target base station is not the same as the pre-registered base station. a base station.

[0040] Step 205: The source base station sends a connection establishment request to the MME, and the request carries a pre-registered base station identifier (static sector ID) and a newly selected target base station identifier (selected sector ID);

[0041] Step 206: MME sends a connection establishment requ...

Embodiment 2

[0061] In this embodiment, the MME sends a connection establishment request to the target base station, and the target base station then performs information interaction with the pre-registered base station, such as image 3 Shown is the schematic flow chart of embodiment 2 of the present invention, and this flow process comprises:

[0062] Steps 300 to 304 are the same as steps 100 to 104 in the prior art, except that the source base station makes a handover decision after receiving the TE's measurement report on the target network, and decides to switch to another target base station, and the target base station is the same as the target network. The registered base station is not the same base station.

[0063] Step 305: The source base station sends a connection establishment request to the MME, and the request carries a pre-registered base station identifier (static sector ID) and a newly selected target base station identifier (selected sector ID);

[0064] Step 306: Th...

Embodiment 3

[0078] Such as Figure 4 Shown is a schematic flow chart of an alternative implementation of the present invention. In this embodiment, the pre-registered base station no longer meets the handover requirements of the TE, and the pre-registered base station selects a new target base station according to the measurement report of the TE. The process includes:

[0079] Step 400-step 403 is the same as step 100-step 103 in the prior art;

[0080] Step 404: TE sends a connection establishment request to the source base station, and the request carries the measurement report of the target system;

[0081] Step 405: The source base station sends a connection establishment request to the MME, and the request carries the measurement report of the target system;

[0082] Step 406: MME sends a connection establishment request to the pre-registered base station, and the request carries the measurement report of the target system;

[0083] Step 407a-step 416 are the same as step 207a-ste...

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Abstract

The invention discloses a method for treating switching among heterogeneous systems, which comprises that an MME receiving source base station sends a connection establishment request, and the request carries a pre-registration base station mark; the pre-registration base station receives the connection establishment request from the MME; and a transmission channel is established between the pre-registration base station and a target base station. The invention also discloses a base station and a system, which are used for treating the switching among the heterogeneous systems. By using the method, the device and the system provided by the invention, if the pre-registration base station is not the same as the target when in formal switching, the failure of switching among the heterogeneous systems can be avoided when a pre-registration switching is carried out.

Description

technical field [0001] The invention relates to a mobile communication system, in particular to a method for handling handover between heterogeneous systems. Background technique [0002] At present, the development of communication technology is changing with each passing day, and various new access technologies emerge in an endless stream. Since the networks corresponding to various access technologies usually have their own suitable coverage and application scenarios, in order to realize ubiquitous communication services, multi-mode terminals supporting multiple access technologies emerge as the times require. A network using different access technologies is called a heterogeneous system. A multi-mode terminal that supports multiple access technologies, that is, multiple heterogeneous systems, must solve a problem: how the multi-mode terminal seamlessly switches and roams among the heterogeneous systems it supports. [0003] Regarding the handover between heterogeneous ...

Claims

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Application Information

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IPC IPC(8): H04W36/14H04W36/30H04W72/04H04W76/02
Inventor 刘海帅杨来靳维生黄龙贵
Owner HUAWEI TECH CO LTD
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