WO2014206153A1

WO2014206153A1 - Service switching method and system

Info

Publication number: WO2014206153A1
Application number: PCT/CN2014/077540
Authority: WO
Inventors: 周国良
Original assignee: 中兴通讯股份有限公司
Priority date: 2013-06-24
Filing date: 2014-05-15
Publication date: 2014-12-31
Also published as: CN104244351B; CN104244351A

Abstract

Provided are a service switching method and system. The present invention relates to the field of mobile communications, and solves the problem of UE service switching in a network where a cluster communication system and an LTE system coexist. The technical solution provided by the embodiments of the present invention is applicable to a network where a cluster communication system and an LTE system coexist, and realizes a low-complexity establishment flow where an eNB processes concurrent services.

Description

Business switching method and system

Technical field

The present invention relates to the field of mobile communications, and in particular, to a service switching method and system in a coexistence network of a Long Term Evolution (LTE) system and a trunking communication system.

Background technique

With the gradual maturity of the fourth-generation mobile communication Long Term Evolution (LTE) technology, the demand for broadband communication in cluster communication is increasing. The cluster communication is no longer only the requirement of voice, and the dedicated command and scheduling of video and high-speed is realized. Communication will be the development direction of future cluster communication systems, so cluster communication will have broad development prospects through LTE technology.

Because the LTE service is widely used in the trunking communication network, the long-term coexistence of the LTE network and the cluster network determines that the base station needs to support both the LTE service and the cluster service. However, because the LTE service and the cluster service are relatively complex, the base station processes the LTE in the colleague. The complexity of services and cluster services is very high. Especially when a service is switching at the same time, it is difficult for the base station to handle the establishment of another service. Summary of the invention

The embodiment of the invention provides a service switching method and system, which solves the problem of UE service switching in a network in which a trunking communication system and an LTE system coexist.

A service switching method, in a network where an LTE system and a trunking communication system coexist, the method includes:

The source base station (eNB) receives the concurrent second communication system service establishment request sent by the user equipment (UE);

The source eNB determines whether the UE is performing the first communication system service handover; and when the determination result is yes, the source eNB delays establishing the second communication system service for the UE. Preferably, the first communication system is an LTE system, and the second communication system is a trunking communication system. Preferably, the first communication system is a trunking communication system, and the second communication system is an LTE system. Preferably, when the determining result is yes, the source eNB delays establishing the second communication system service for the UE, including:

The source eNB sends a notification message to the UE to delay establishing a second communication system service. Preferably, when the determining result is yes, the source eNB delays establishing the second communication system service for the UE, including:

The source eNB discards the concurrent second communication system service establishment request sent by the UE.

Preferably, after the step of deferring the establishment of the second communication system service for the UE, the source eNB further includes:

The destination eNB that performs the first communication system handover by the UE, after the UE performs handover to the target eNB, notifies the UE that the handover is completed;

The destination eNB again receives the concurrent second communication system service establishment request sent by the UE; the destination eNB establishes a second communication system service for the UE.

The embodiment of the present invention further provides a service switching system, including a source eNB in a network in which an LTE system and a trunking communication system coexist, and a UE in the source eNB;

The source eNB is configured to receive a second communication system service establishment request sent by the UE, determine whether the UE is performing service switching of the first communication system, and delay establishing for the UE when the determination result is yes. Second communication system service;

The UE is configured to send a concurrent second communication system service establishment request to the source eNB. Preferably, the first communication system is configured as an LTE system, and the second communication system is configured as a trunking communication system; or

The first communication system is configured as a trunking communication system, and the second communication system is configured as an LTE system. Preferably, when the source eNB delays establishing the second communication system service for the UE, the source eNB is configured to send a notification message to the UE to delay establishing the second communication system service, or discard the UE. Concurrent second communication system service establishment request sent

Preferably, the system further includes a target eNB; The destination eNB is configured to notify the UE that the handover is complete after the UE completes the handover to the target eNB, and receive a second communication system service establishment request initiated by the UE again, to establish a second for the UE. Communication system business;

And the UE is configured to initiate a second communication system service establishment request to the target eNB again after the handover to the target eNB is completed.

An embodiment of the present invention provides a service switching method and system. In a network where an LTE system and a trunking communication system coexist, the source eNB receives a concurrent second communication system service establishment request sent by the UE, and the source eNB determines whether the UE is The first communication system service switching is being performed, and when the determination result is yes, the second communication system service is deferred for the UE, and the low complexity eNB processes the concurrent service establishment process, and the cluster communication system and the LTE system are solved. The problem of UE service switching in a coexisting network. BRIEF abstract

1 is a flowchart of a service switching method according to Embodiment 1 of the present invention;

2 is a flowchart of a service switching method according to Embodiment 2 of the present invention;

FIG. 3 is a flowchart of a service switching method according to Embodiment 3 of the present invention.

Preferred embodiment of the invention

For the current LTE service and the cluster service concurrency, the embodiment of the present invention provides a service switching method and system. When the LTE service or the cluster service is in the handover phase, another service needs to be established, and the other service is deferred. After the handover is completed, another service is established, which simplifies the process of establishing LTE and cluster concurrent services by the base station, and reduces system complexity.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other without conflict.

First, the first embodiment of the present invention will be described with reference to the accompanying drawings. The embodiment of the invention provides a service switching method, and the UE is notified by a message to delay the establishment. The eNB A is the source eNB for UE service handover, the eNB B is the destination eNB, the first communication system is the LTE system, and the second communication system is the cluster system as an example. The process of completing the service switching using this method is shown in Figure 1, as follows:

1. After the UE establishes the LTE service, it needs to switch.

2. The UE initiates a service handover request to the eNB, such as handover to eNB B.

3. The eNB A processes the handover request of the UE, and the eNB B establishes a handover resource for the UE.

4. When the handover is not completed, the UE initiates concurrent cluster services.

5. After receiving the eNB A, it finds that it is currently switching, and sends a delayed notification message to the UE. 6. After the LTE service handover is completed, the eNB B notifies the UE that the handover is completed.

7. The UE initiates a concurrent cluster service setup request to the eNB B again.

8. eNB B establishes a cluster service for the UE.

When the UE is switched from the cluster system to the LTE system by using the service switching method provided by the embodiment of the present invention, the implementation principle is the same as that shown in FIG. 1, and the description is not repeated here.

Embodiment 2 of the present invention will be described below with reference to the accompanying drawings.

The embodiment of the present invention provides a service switching method, which is delayed by the discarding process: the eNB A is the source eNB for the UE service handover, the eNB B is the destination eNB, the first communication system is the LTE system, and the second communication system is The cluster system is described as an example. The process of completing the service switching using this method is shown in Figure 2, as follows:

1. After the UE establishes the LTE service, it needs to switch.

2. The UE initiates a service handover request to eNB A, such as handover to eNB B.

5. After receiving the eNB A, it finds that it is currently switching, and discards the message without processing.

6. After the LTE service handover is completed, the eNB B notifies the UE that the handover is completed. 7. The UE initiates a concurrent cluster service establishment request to the eNB B again.

8. eNB B establishes a cluster service for the UE.

When the UE is switched from the cluster system to the LTE system by using the service switching method provided by the embodiment of the present invention, the implementation principle is the same as that shown in FIG. 2, and the description is not repeated here.

Embodiment 3 of the present invention will be described below with reference to the accompanying drawings.

The embodiment of the present invention provides a service switching method, which is applicable to a network in which an LTE system and a cluster system coexist. The process of performing service switching using the method is as shown in FIG. 3, and includes:

Step 301: The source eNB receives the concurrent second communication system service establishment request sent by the UE. Step 302: The source eNB determines whether the UE is performing service switching of the first communication system.

Step 303: When the determination result is yes, the source eNB delays establishing a second communication system service for the UE.

In this step, it can be implemented in the following ways:

And the source eNB sends a notification message for deferring the establishment of the second communication system service to the UE; or the source eNB discards the concurrent second communication system service establishment request sent by the UE.

Step 304: The target eNB that performs the first communication system handover by the UE, after the UE performs handover to the target eNB, notifies the UE that the handover is complete.

Step 305: The UE sends a second communication system service establishment request to the target eNB again.

Step 306: The target eNB establishes a second communication system service for the UE.

The first communication system involved in the embodiment of the present invention is an LTE system, and the second communication system is a trunking communication system. Or, the first communication system is a trunking communication system, and the second communication system is an LTE system.

Embodiment 4 of the present invention will be described below with reference to the accompanying drawings.

The embodiment of the invention provides a service switching system, including an LTE system and a trunking communication system. a source eNB in the coexisting network and a UE under the source eNB;

The UE is configured to send a concurrent second communication system service establishment request to the source eNB. Preferably, the first communication system is an LTE system, and the second communication system is a trunking communication system; or

The first communication system is a trunking communication system, and the second communication system is an LTE system.

Preferably, when the source eNB delays establishing the second communication system service for the UE, the source eNB is configured to send a notification message to the UE to delay establishing the second communication system service, or discard the UE. Concurrent second communication system service establishment request sent

Preferably, the system further includes a destination eNB;

The destination eNB is configured to notify the UE that the handover is complete after the UE completes the handover to the target eNB, and receive a second communication system service establishment request initiated by the UE again, to establish a second for the UE. Communication system business;

The embodiment of the present invention provides a service switching method and system. In a network where the LTE system and the trunking communication system coexist, the source eNB receives the concurrent second communication system service establishment request sent by the UE, and the source eNB determines the UE. Whether the first communication system service switching is being performed, and when the determination result is yes, the second communication system service is deferred for the UE, and the low complexity eNB processes the concurrent service establishment process, and the cluster communication system and the LTE are solved. The problem of UE service switching in the network where the system coexists. It effectively reduces system complexity and simplifies the process of base station processing and concurrent establishment.

One of ordinary skill in the art will appreciate that all or part of the steps of the above embodiments may be used. The computer program can be implemented in a computer readable storage medium, the computer program being executed on a corresponding hardware platform (such as a system, device, device, device, etc.), when executed, including One or a combination of the steps of the method embodiments.

Optionally, all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.

The various devices/function modules/functional units in the above embodiments may be implemented using a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.

Each device/function module/functional unit in the above embodiments can be stored in a computer readable storage medium when implemented in the form of a software function module and sold or used as a standalone product. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

Variations or substitutions are readily conceivable within the scope of the present invention, and those skilled in the art are within the scope of the present invention. Therefore, the scope of protection of the embodiments of the invention should be determined by the scope of the claims.

Industrial Applicability The present invention provides a service switching method and system. In a network in which an LTE system and a trunking communication system coexist, the source eNB receives a concurrent second communication system service establishment request sent by the UE, and the source eNB determines the location. Whether the UE is performing the first communication system service switching, and when the determination result is yes, delaying the establishment of the second communication system service for the UE, realizing the low complexity eNB processing the concurrent service establishment process, and solving the cluster communication system The problem of UE service switching in a network coexisting with an LTE system.

Claims

claims

1. A service switching method, characterized in that, in a network where a long-term evolution (LTE) system and a trunking communication system coexist, the method includes:

The source eNB determines whether the UE is performing service switching of the first communication system; when the determination result is yes, the source eNB postpones establishing the second communication system service for the UE.

2. The service switching method according to claim 1, wherein the first communication system is an LTE system, and the second communication system is a trunking communication system.

3. The service switching method according to claim 1, wherein the first communication system is a trunking communication system, and the second communication system is an LTE system.

4. The service switching method according to claim 1 or 2 or 3, characterized in that when the source eNB determines that the result is yes, postponing the establishment of the second communication system service for the UE includes:

The source eNB sends a notification message to postpone the establishment of the second communication system service to the UE.

5. The service switching method according to claim 1 or 2 or 3, characterized in that when the source eNB determines that the result is yes, postponing the establishment of the second communication system service for the UE includes:

6. The service switching method according to claim 1 or 2 or 3, characterized in that, after the source eNB postpones the step of establishing the second communication system service for the UE when the judgment result is yes, it further includes:

After the UE completes the handover to the target eNB, the destination eNB for performing the first communication system handover by the UE notifies the UE that the handover is completed;

The destination eNB receives the concurrent second communication system service establishment request sent by the UE again; and the destination eNB establishes the second communication system service for the UE.

7. A service switching system, including a source eNB in a network where an LTE system and a trunking communication system coexist and a UE under the source eNB;

The source eNB is configured to receive a concurrent second communication system service establishment request sent by the UE, determine whether the UE is performing a first communication system service switch, and when the determination result is yes, postpone the establishment of the service for the UE. Second communication system business;

The UE is configured to send a concurrent second communication system service establishment request to the source eNB.

8. The service switching system according to claim 7, wherein,

The first communication system is configured as an LTE system, and the second communication system is configured as a trunking communication system; or,

The first communication system is configured as a trunking communication system, and the second communication system is configured as an LTE system.

9. The service switching system according to claim 7, wherein when the source eNB delays establishing the second communication system service for the UE,

The source eNB is configured to send a notification message to postpone the establishment of the second communication system service to the UE, or discard the concurrent second communication system service establishment request sent by the UE.

10. The service switching system according to claim 7, wherein the system further includes a target eNB; the target eNB is configured to notify the UE that the switching is completed after the UE completes switching to the target eNB, and receive The concurrent second communication system service establishment request initiated again by the UE establishes the second communication system service for the UE;

The UE is configured to initiate a concurrent second communication system service establishment request to the target eNB again after the handover to the target eNB is completed.