WO2016095593A1

WO2016095593A1 - Mobility robustness optimization method and base station device

Info

Publication number: WO2016095593A1
Application number: PCT/CN2015/091170
Authority: WO
Inventors: 曾美艳; 王振东
Original assignee: 华为技术有限公司
Priority date: 2014-12-19
Filing date: 2015-09-30
Publication date: 2016-06-23
Also published as: CN104581682A

Abstract

A mobility robustness optimization (MRO) method and a base station device, which are used for solving the problem that an existing MRO method cannot transmit some messages when there is no X2 link connection between base stations. The base station device (40) comprises a processing module (430), a first transceiver module (410) or a second transceiver module (420). The processing module (430) is used for generating a message that needs to be sent to a second base station device through an X2 link. The first transceiver module (410) is used for, if there is no X2 link between the base station device (40) and the second base station device, sending the message to a third-party device that is connected to the base station device (40) through the X2 link, so that the third-party device sends the message to the second base station device. The second transceiver module (420) is used for, if there is no X2 link between the base station device (40) and the second base station device, initiating setup of the X2 link from the base station device (40) to the second base station device, and sending the message to the second base station device through the established X2 link.

Description

Mobile robust optimization method and base station equipment

The present application claims priority to Chinese Patent Application No. 201410820340.9, entitled "Mobile Robust Optimization Method and Base Station Equipment", filed on December 19, 2014, the entire contents of which are incorporated herein by reference. In the application.

Technical field

The present invention relates to the field of communications technologies, and in particular, to a mobile robustness optimization method and a base station device.

Background technique

Mobile Robust Optimization (MRO) is a method for the base station to adjust and optimize the network mobility parameters by detecting the failure of the UE connection. According to the protocol TS 36.300, the base station can detect the failure of the UE connection by acquiring the information that the UE has failed to connect. However, in some scenarios, the base station cannot obtain the reconstruction information of the user equipment (User Equipment, UE), which affects the detection of the base station.

For example, if the UE accesses the base station (eNodeB) 1, a radio link failure (RLF) occurs, and then the UE reestablishes to the base station 2, the base station 2 needs to send a re-establishment information such as an RLF INDICATION message to the base station 1. . In this scenario, if there is no X2 link connection between the base station 1 and the base station 2, the reconstruction information cannot be transmitted to the base station 1 where the RLF occurs, and the base station 1 in which the RLF occurs cannot perform the self-tuning optimization of the mobility parameters. Network KPI (Key Performance Indicator) cannot be solved by automatic optimization.

For example, the UE reports a UE InformationResponse message carrying the RLF Report to the base station 1. The base station 1 determines from the RLF Report that the base station 1 needs to send the reconstruction information before the UE has previously performed RLF at the base station 2. For example, an RLF INDICATION message is sent to the base station 2. In this scenario, if there is no X2 link connection between the base station 1 and the base station 2, the reconstruction information cannot be transmitted to the base station 2 where the RLF occurs, and the base station 2 in which the RLF occurs cannot perform the self-tuning optimization of the mobility parameters. Network KPIs cannot be solved by automatic optimization.

In summary, in the MRO operation, some messages need to be transmitted through the X2 link between the base stations. If there is no X2 connection between the two base stations, the message cannot be transmitted from one base station to another.

Summary of the invention

The embodiments of the present invention provide a mobile robustness optimization method and a base station device to solve the problem that the existing MRO method cannot transmit certain messages when there is no X2 link connection between the base stations.

A first aspect of the present invention provides a base station device, including: a processing module, a first transceiver module or a second transceiver module; wherein the processing module is configured to generate a message that needs to be sent to the second base station device by using an X2 link; The first transceiver module is configured to: if there is no X2 link between the base station device and the second base station device, send the message to a third-party device that establishes an X2 link with the base station device Transmitting the message to the second base station device by using a third-party device, where the second transceiver module is configured to initiate establishment if there is no X2 link between the base station device and the second base station device And to the X2 link from the base station device to the second base station device, the message is sent to the second base station device by using the established X2 link.

With reference to the first aspect, in a first possible implementation, the processing module includes: a first receiving unit, configured to receive a radio resource control connection reestablishment request RRCConnectionReestablishmentRequest message reported by the user equipment UE, or receive a user reported by the UE The device information is replied to the UEInformationResponse message, and the first determining unit is configured to determine, according to the RRCConnectionReestablishmentRequest message or the UEInformationResponse message, whether to send a radio link failure indication RLF INDICATION message to the second base station device, where the first generating unit is configured to determine If necessary, generate an RLF INDICATION message that needs to be sent to the second base station device over the X2 link.

With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the processing module includes: a second receiving unit, configured to receive, by the third base station device, a radio link failure indication RLF INDICATION message a second determining unit, configured to determine, according to the RLF INDICATION message, whether a handover report HANDOVER REPORT message needs to be sent to the second base station device, and a second generating unit, configured to send, by the X2 link, the request to the second base station device The HANDOVER REPORT message of the second base station device.

With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a third possible implementation, the first transceiver module includes: a query unit, configured to establish from the base station Finding a neighbor relationship with the second base station device in at least one base station device having an X2 link a fourth base station device, configured to send the message to the fourth base station device, and send the message to the second base station device by using the fourth base station device.

With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a fourth possible implementation, the first transceiver module includes: a second sending unit, configured to: Sending to the centralized control device that establishes an X2 link with the base station device, and sending the message to the second base station device by using the centralized control device.

With reference to the first aspect or the first or second possible implementation manner of the first aspect, in a fifth possible implementation, the second transceiver module includes: a third sending unit, configured to send an X2 link Establishing a request message to the second base station device, and a third receiving unit, configured to receive an X2 link setup response message returned by the second base station device, to establish an X2 from the base station device to the second base station device link.

A second aspect of the present invention provides a mobile robustness optimization (MRO) method, including: a first base station device generates a message that needs to be sent to a second base station device by using an X2 link; if the first base station device and the first If there is no X2 link between the two base station devices, the first base station device sends the message to a third-party device that establishes an X2 link with the first base station device, and sends the message by using a third-party device. Giving the second base station device; or the first base station device initiates establishing an X2 link from the first base station device to the second base station device, and the message is sent through the established X2 link Sended to the second base station device.

With reference to the second aspect, in a first possible implementation manner, the sending, by the first base station device, the message that needs to be sent to the second base station device by using the X2 link includes: receiving, by the first base station device, the radio resource control reported by the user equipment UE The connection re-establishment request RRCConnectionReestablishmentRequest message, or the user equipment information reported by the UE is returned to the UEInformationResponse message; according to the RRCConnectionReestablishmentRequest message or the UE InformationResponse message, it is determined whether the radio link failure indication RLF INDICATION message needs to be sent to the second base station device; If necessary, generate an RLF INDICATION message that needs to be sent to the second base station device over the X2 link.

With reference to the first possible implementation manner of the second aspect, in a second possible implementation manner, the sending, by the first base station device, the message that needs to be sent to the second base station device by using the X2 link includes: The base station device receives the third base station device to send a radio link failure indication RLF INDICATION message, and determines, according to the RLF INDICATION message, whether to send a handover report HANDOVER REPORT message to the second base station device; if the determination is required, the generation needs to pass the X2 link. A HANDOVER REPORT message sent to the second base station device.

With the second aspect or the first or second possible implementation manner of the second aspect, in a third possible implementation, the first base station device sends the message to the first base station device Establishing a third-party device with an X2 link, and sending, by the third-party device, the message to the second base station device includes: the first base station device from at least one base station that establishes an X2 link with the first base station And identifying, by the device, a fourth base station device that has a neighbor relationship with the second base station device; sending the message to the fourth base station device, where the message is sent by the fourth base station device Second base station device.

With reference to the second aspect or the first or second possible implementation manner of the second aspect, in a fourth possible implementation, the first base station device sends the message to the first base station device Establishing a third-party device with an X2 link, and sending, by the third-party device, the message to the second base station device includes: the first base station device sending the message to the first base station device to establish an X2 The centralized control device of the link sends the message to the second base station device by using the centralized control device.

With reference to the second aspect or the first or second possible implementation manner of the second aspect, in a fifth possible implementation manner, the first base station device initiates establishment to the first base station device to the The X2 link of the second base station device includes: the first base station device sends an X2 link setup request message to the second base station device; and receives an X2 link setup response message returned by the second base station device to establish a slave The X2 link of the first base station device to the second base station device.

It can be seen that, in some feasible implementation manners of the present invention, when the base station device needs to send a message to the second base station device by using the X2 link, if there is no X2 link between the base station device and the second base station device, The following technical effects are obtained: the third party device sends a message to the second base station device, or initiates an X2 link, and sends a message to the second base station device through the established X2 link.

Solving how to pass the current no X2 link connection between the base station device and the second base station device The problem of interest, and thus, does not affect the base station equipment to obtain reconstruction information, etc., which is beneficial to the base station equipment to perform self-tuning optimization of network mobility parameters.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments and the prior art description will be briefly described below. Obviously, the drawings in the following description are only some implementations of the present invention. For example, other drawings may be obtained from those skilled in the art without any inventive effort.

FIG. 1 is a flowchart of a mobile robustness optimization method according to an embodiment of the present invention;

2a-2c are flow charts of an MRO method in several application examples of the present invention;

3a-3c are flow charts of an MRO method in another application example of the present invention;

4a-4f are schematic structural diagrams of a base station device according to several embodiments of the present invention.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is an embodiment of the invention, but not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

As defined in the TS 36.300 protocol, the MRO passes the RLF INDICATION and HANDOVER REPORT messages between the base stations (eNodeBs) to identify that the handover is too late, the handover is too early, and the handover to the wrong cell scenario is performed for network self-optimization. The RLF INDICATION, HANDOVER REPORT message is defined in TS 36.423, and these two messages can only be transmitted on the X2 link. When there is no X2 link between eNodeBs, these two messages cannot be transmitted, which affects the self-optimization of network mobility parameters.

To this end, an embodiment of the present invention provides a technical solution for how to transmit an RLF INDICATION, HANDOVER REPORT message when there is no X2 link between base station devices.

Detailed description will be made below through specific embodiments.

Referring to FIG. 1, an embodiment of the present invention provides a mobile robustness optimization method, which may include:

110. The first base station device generates a message that needs to be sent to the second base station device by using the X2 link.

In the MRO method of the LTE (Long Term Evolution) system, a base station device may need to send a message, for example, reconstruction information, to another base station device through an X2 link between the base stations, so that the base station device can acquire the reconstruction information in real time, Perform mobile parameter self-optimization.

In the embodiment of the present invention, the message that the first base station device needs to send to the second base station device by using the X2 link, for example, may be an RLF INDICATION message, or a HANDOVER REPORT message, or may be other messages, which is not limited by the present invention. .

In the MRO of the existing LTE system, the first base station device may need to send a message to the second base station device through the X2 link, and the following are the following:

The first one is that the first base station device receives an RRC (Radio Resource Control) ConnectionReestablishmentRequest message reported by the user equipment (UE), and determines whether it is necessary to send RLF INDICATION according to the RRCConnectionReestablishmentRequest message. The link failure indication message is sent to the second base station device; for example, if the message indicates that the UE is from the cell of the second base station device before the RLF, the first base station device determines that the RLF INDICATION message needs to be sent to the second base station device, and then generates An RLF INDICATION message that needs to be sent over the X2 link.

The second base station device receives the UEInformationResponse message sent by the user equipment, and determines whether the RLF INDICATION message needs to be sent to the second base station device according to the UEInformationResponse message; the UEInformationResponse message carries the RLF Report (Report), if the first base station device needs to send an RLF INDICATION message to the second base station device according to the RLF Report decision, generate an RLF INDICATION message that needs to be sent through the X2 link.

The third type is that the first base station device receives the RLF INDICATION message sent by the third base station device, and determines, according to the RLF INDICATION message, whether the handover report HANDOVER REPORT message needs to be sent to the second base station device; if the decision is required, the generation needs to pass the X2 A HANDOVER REPORT message sent by the link to the second base station device.

For example, after receiving the RLF INDICATION, the first base station device checks whether a UE CONTEXT RELEASE message has been sent, and if it has been sent, checks the UE stay time. If the dwell time is less than the threshold, and the source cell before the UE is found to be the cell of the second base station device from the corresponding UE history information, the UE is switched from the second base station device to the first base station device, and the first base station device is used. The RLF occurs when the cell stays for a short time. At this time, the first base station device needs to send a HANDOVER REPORT message to the second base station device, and tells the second base station that the handover occurs too early.

It should be noted that the foregoing several situations are examples. In actual applications, there may be other situations in which a message needs to be sent through the X2 link, and details are not described herein again.

120. If there is no X2 link between the first base station device and the second base station device, the first base station device sends a message to the third-party device that establishes the X2 link with the first base station device, and the message is sent by the third-party device. Sending to the second base station device; or, the first base station device initiates establishing an X2 link from the first base station device to the second base station device, and sends the message to the second base station device through the established X2 link.

In the embodiment of the present invention, if the first base station device needs to send a message to the second base station device through the X2 link, and there is no X2 link between the first base station device and the second base station device, the message transmission can be implemented in the following manner. :

A. The first base station device sends the message to a third-party device that has an X2 link with the first base station device, and sends the message to the second device by using a third-party device. Base station equipment. The third-party device may be another base station device, or may be a centralized control device such as a dedicated network management system.

For example, the third device is a fourth base station device, and the foregoing manner may be specifically:

A1: The first base station device finds, from at least one base station device that has an X2 link with the first base station, a fourth base station device that has a neighbor relationship with the second base station device; Sending to the fourth base station device, the message is sent by the fourth base station device to the second base station device.

The first base station device may obtain the neighbor relationship between the base station devices from the messages used for establishing the X2 link in the process of establishing an X2 link with the other base stations.

Wherein, if the fourth base station device has an X2 link connection with the second base station device, the fourth base station device directly forwards the message to the second base station device; if the fourth base station device and the second base station device do not have When the X2 link is connected, the fourth base station device continues to send the message to other base station devices that have a neighbor relationship with the second base station device, and repeats the forwarding step until the message is sent to the second base station device. In the foregoing forwarding process, if a certain base station device has forwarded the message, if the message that needs to be forwarded is received again, the forwarding may not be continued.

For example, the third-party device is a centralized control device. The above manner may specifically be:

A2. The first base station device sends the message to a centralized control device that establishes an X2 link with the first base station device, and sends the message to the second base station device by using the centralized control device.

The centralized control device may be, for example, a network management device (network management).

B. In another mode, the first base station device initiates establishing an X2 link from the first base station device to the second base station device, and sends the message to the established X2 link. The second base station device.

In some embodiments, the first base station device initiates the establishment of an X2 link from the first base station device to the second base station device, and may include: the first base station device sends an X2 link setup request message to Receiving, by the second base station device, an X2 link setup response message returned by the second base station device, to establish an X2 link from the first base station device to the second base station device.

It can be understood that the foregoing solution in the embodiment of the present invention may be specifically implemented in a base station device.

To facilitate a better understanding of the technical solutions provided by the embodiments of the present invention, the following describes the application examples in several specific scenarios.

Referring to FIG. 2a, an MRO method flow of an application example of the present invention may include:

The first base station device (eNodeB1) receives the RRC ConnectionReestablishmentRequest message reported by the UE, and determines that the RLF INDICATION message needs to be sent to the second base station device (eNodeB2); the eNodeB1 finds one and the eNodeB2 from at least one eNodeB that has an X2 link with the eNodeB1. An eNodeB having a neighbor relationship, such as a fourth base station device (eNodeB4); the eNodeB1 sends an RLF INDICATION message to the eNodeB 4, and sends an RLF INDICATION message to the eNodeB 2 through the eNodeB 4.

Referring to FIG. 2b, the MRO method flow of an application example of the present invention may include:

The eNodeB1 receives the UEInformationResponse message that is reported by the UE and includes the RLF Report, and determines that the RLF INDICATION message needs to be sent to the eNodeB2. The eNodeB1 is established from the eNodeB1. In at least one eNodeB of the X2 link, an eNodeB having a neighbor relationship with the eNodeB2, for example, an eNodeB4 is found; the eNodeB1 sends an RLF INDICATION message to the eNodeB4, and sends an RLF INDICATION message to the eNodeB2 through the eNodeB4.

Referring to FIG. 2c, the MRO method flow of an application example of the present invention may include:

The eNodeB1 receives the RLF INDICATION message sent by the third base station device (eNodeB3), and determines that the HANDOVER REPORT message needs to be sent to the eNodeB2. The eNodeB1 finds an eNodeB that has a neighbor relationship with the eNodeB2 from at least one eNodeB that has an X2 link with the eNodeB1. For example, eNodeB4; eNodeB1 sends an RLF INDICATION message to eNodeB4, and sends an RLF INDICATION message to eNodeB2 through eNodeB4.

In the above three embodiments of FIG. 2a, 2b and 2c, the first base station device sends a message to the second base station device by using a third-party device, for example, the fourth base station device. In other modes, the method for the first base station device to send a message to the second base station device by using the centralized control device is similar to that shown in FIG. 2a, 2b, and 2c, and only needs to modify the eNodeB4 in the figure to be a centralized control device. This article will not be detailed.

Referring to FIG. 3a, an MRO method flow of another application example of the present invention may include:

The eNodeB1 receives the RRC ConnectionReestablishmentRequest message reported by the UE, and determines that the RLF INDICATION message needs to be sent to the eNodeB2. The eNodeB1 can search the neighbor relationship table, obtain the global information of the eNodeB2, and initiate the X2 link of the eNodeB1 to the eNodeB2 according to the global information of the obtained eNodeB2. After the X2 link is established, the RLF INDICATION message is sent to the eNodeB2 through the established X2 link.

Referring to FIG. 3b, the MRO method flow of an application example of the present invention may include:

The eNodeB1 receives the UEInformationResponse message that is sent by the UE and includes the RLF Report message, and determines that the RLF INDICATION message needs to be sent to the eNodeB2. The eNodeB1 can search the neighbor relationship table, obtain the global information of the eNodeB2, and initiate the X2 chain of the eNodeB1 to the eNodeB2 according to the global information of the obtained eNodeB2. Self-establishment of the path; after the X2 link is established, the RLF INDICATION message is sent to the eNodeB2 through the established X2 link.

Referring to FIG. 3c, the MRO method flow of an application example of the present invention may include:

The eNodeB1 receives the RLF INDICATION message sent by the eNodeB3, and determines that the HANDOVER REPORT message needs to be sent to the eNodeB2; the eNodeB1 can search the neighbor relationship table to obtain The global information of the eNodeB2 is used to initiate the self-establishment of the X2 link of the eNodeB1 to the eNodeB2 according to the obtained global information of the eNodeB2. After the X2 link is established, the RLF INDICATION message is sent to the eNodeB2 through the established X2 link.

In the foregoing three embodiments of FIG. 3a, 3b, and 3c, the first base station device initiates the establishment of the X2 link, and after the X2 link setup of the first base station device to the second base station device is completed, the message is sent through the established X2 link. To the second base station device.

The method of the embodiment of the present invention will be described in detail above with reference to several application examples.

It can be seen from the above that in some feasible implementation manners of the present invention, by adopting the foregoing technical solution, the following technical effects are obtained: if there is no X2 link between the first base station device and the second base station device, when the first base station device needs When the message is sent to the second base station device by using the X2 link, the message may be sent to the second base station device by using the third-party device, or the X2 link may be initiated, and the message is sent to the second base station device by using the established X2 link. Therefore, the problem of message delivery when there is no X2 link connection between the first base station device and the second base station device is achieved, and the problem that the message cannot be transmitted when there is no X2 link connection between the base stations in the prior art is solved, thereby It does not affect the base station equipment to obtain reconstruction information, etc., which is beneficial to the base station equipment to perform self-tuning optimization of network mobility parameters.

In order to better implement the above solution of the embodiments of the present invention, related devices for cooperating to implement the above solutions are also provided below.

Referring to FIG. 4a, an embodiment of the present invention provides a base station device 40, which may include:

a processing module 430, a first transceiver module 410 and/or a second transceiver module 420;

The processing module 430 is configured to generate a message that needs to be sent to the second base station device by using the X2 link;

The first transceiver module 410 is configured to: if there is no X2 link between the base station device and the second base station device, send the message to a third party that establishes an X2 link with the base station device. The device sends the message to the second base station device by using a third-party device;

The second transceiver module 420 is configured to initiate establishment of an X2 link from the base station device to the second base station device if there is no X2 link between the base station device and the second base station device And transmitting the message to the second base station device by using the established X2 link.

Referring to FIG. 4b, in some embodiments of the present invention, the processing module 430 includes:

The first receiving unit 4301 is configured to receive a radio resource control connection reestablishment request RRCConnectionReestablishmentRequest message reported by the user equipment UE, or receive the user equipment information reported by the UE to reply to the UEInformationResponse message;

The first determining unit 4302 is configured to determine, according to the RRCConnectionReestablishmentRequest message or the UEInformationResponse message, whether to send a radio link failure indication RLF INDICATION message to the second base station device;

The first generating unit 4303 is configured to generate, if the decision is necessary, an RLF INDICATION message that needs to be sent to the second base station device by using an X2 link.

Referring to FIG. 4c, in some embodiments of the present invention, the processing module 430 includes:

a second receiving unit 4304, configured to receive, by the third base station device, a radio link failure indication RLF INDICATION message;

a second determining unit 4305, configured to determine, according to the RLF INDICATION message, whether a handover report HANDOVER REPORT message needs to be sent to the second base station device;

The second generating unit 4306 is configured to generate a HANDOVER REPORT message that needs to be sent to the second base station device by using an X2 link, if the decision is required.

Referring to FIG. 4d, in some embodiments of the present invention, the first transceiver module 410 includes:

The querying unit 4101 is configured to find, from at least one base station device that has an X2 link with the base station, a fourth base station device that has a neighbor relationship with the second base station device;

The first sending unit 4102 is configured to send the message to the fourth base station device, and send the message to the second base station device by using the fourth base station device.

Referring to FIG. 4e, in some embodiments of the present invention, the first transceiver module 410 includes:

The second sending unit 4103 is configured to send the message to a centralized control device that establishes an X2 link with the base station device, and send the message to the second base station device by using the centralized control device.

Referring to FIG. 4f, in some embodiments of the present invention, the second transceiver module 420 includes:

a third sending unit 4201, configured to send an X2 link setup request message to the second base station device;

The third receiving unit 4202 is configured to receive an X2 link setup response message returned by the second base station device, to establish an X2 link from the base station device to the second base station device.

It is to be understood that the functions of the respective functional modules of the base station device in the embodiments of the present invention may be specifically implemented according to the method in the foregoing method embodiments. For the specific implementation process, reference may be made to the related description in the foregoing method embodiments, and details are not described herein again.

It can be seen that, in some feasible implementation manners of the present invention, by adopting the foregoing technical solution, the following technical effects are obtained: if there is no X2 link between the base station device and the second base station device, when the base station device needs to pass the X2 link When the message is sent to the second base station device, the message may be sent to the second base station device by using the third-party device, or the X2 link may be initiated, and the message is sent to the second base station device by using the established X2 link; The problem of message delivery when there is no X2 link connection between the base station device and the second base station device is solved, and the problem that the message cannot be transmitted when there is no X2 link connection between the base stations in the prior art is solved, thereby not affecting the acquisition and reconstruction of the base station device. Information, etc., is beneficial to the base station equipment to perform self-tuning optimization of network mobility parameters.

The embodiment of the present invention further provides a computer storage medium, where the computer storage medium can store a program, and the program includes some or all of the steps of the MRO method described in the foregoing method embodiments.

In the above embodiments, the descriptions of the various embodiments are different, and the parts that are not described in detail in a certain embodiment can be referred to the related description of other embodiments.

It should be noted that, for the foregoing method embodiments, for the sake of brevity, they are all described as a series of action combinations, but those skilled in the art should understand that the present invention is not limited by the described action sequence, because In accordance with the present invention, certain steps may be performed in other sequences or concurrently. In addition, those skilled in the art should also understand that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

A person skilled in the art may understand that all or part of the various steps of the foregoing embodiments may be performed by a program to instruct related hardware. The program may be stored in a computer readable storage medium, and the storage medium may include: ROM, RAM, disk or CD.

The mobile robustness optimization method and the base station device provided by the embodiments of the present invention are described in detail above. The principles and implementation manners of the present invention are described in the specific examples. The description of the above embodiments is only used for To help understand the method of the present invention and its core idea; at the same time, for those skilled in the art, according to the idea of the present invention, in the specific embodiment and application range In view of the above, the contents of this specification are not to be construed as limiting the invention.

Claims

A base station device, comprising:

a processing module, a first transceiver module or a second transceiver module; wherein

The processing module is configured to generate a message that needs to be sent to the second base station device by using an X2 link;

The first transceiver module is configured to: if there is no X2 link between the base station device and the second base station device, send the message to a third-party device that establishes an X2 link with the base station device Transmitting the message to the second base station device by using a third-party device;

The second transceiver module is configured to initiate an X2 link from the base station device to the second base station device if there is no X2 link between the base station device and the second base station device, The message is sent to the second base station device over the established X2 link.
The device according to claim 1, wherein the processing module comprises:

a first receiving unit, configured to receive a radio resource control connection reestablishment request RRCConnectionReestablishmentRequest message reported by the user equipment UE, or receive a UEInformationResponse message sent by the user equipment information reported by the UE;

a first determining unit, configured to determine, according to the RRCConnectionReestablishmentRequest message or the UEInformationResponse message, whether to send a radio link failure indication RLF INDICATION message to the second base station device;

The first generating unit is configured to generate, if the decision is necessary, an RLF INDICATION message that needs to be sent to the second base station device by using an X2 link.
The device according to claim 2, wherein the processing module comprises:

a second receiving unit, configured to receive, by the third base station device, a radio link failure indication RLF INDICATION message;

a second determining unit, configured to determine, according to the RLF INDICATION message, whether a handover report HANDOVER REPORT message needs to be sent to the second base station device;

And a second generating unit, configured to generate a HANDOVER REPORT message that needs to be sent to the second base station device by using an X2 link, if the decision is required.
The device according to any one of claims 1 to 3, wherein the first transceiver module comprises:

a locating unit, configured to find, from at least one base station device that has an X2 link with the base station, a fourth base station device that has a neighbor relationship with the second base station device;

The first sending unit is configured to send the message to the fourth base station device, and send the message to the second base station device by using the fourth base station device.
The device according to any one of claims 1 to 3, wherein the first transceiver module comprises:

And a second sending unit, configured to send the message to a centralized control device that establishes an X2 link with the base station device, and send the message to the second base station device by using the centralized control device.
The device according to any one of claims 1 to 3, wherein the second transceiver module comprises:

a third sending unit, configured to send an X2 link setup request message to the second base station device;

And a third receiving unit, configured to receive an X2 link setup response message returned by the second base station device, to establish an X2 link from the base station device to the second base station device.
A mobile robust optimization MRO method, comprising:

The first base station device generates a message that needs to be sent to the second base station device by using the X2 link;

If there is no X2 link between the first base station device and the second base station device,

The first base station device sends the message to a third-party device that has an X2 link with the first base station device, and sends the message to the second base station device by using a third-party device;

or,

The first base station device initiates establishment of an X2 link from the first base station device to the second base station device, and sends the message to the second base station device by using the established X2 link.
The method according to claim 7, wherein the first base station device generates a message that needs to be sent to the second base station device by using the X2 link, including:

The first base station device receives the radio resource control connection reestablishment request RRCConnectionReestablishmentRequest message reported by the user equipment UE, or receives the user equipment information reported by the UE to reply to the UEInformationResponse message;

Determining whether a radio link failure indication RLF needs to be sent according to the RRCConnectionReestablishmentRequest message or the UE InformationResponse message The INDICATION message is sent to the second base station device;

If the decision is required, an RLF INDICATION message that needs to be sent to the second base station device over the X2 link is generated.
The method according to claim 8, wherein the sending, by the first base station device, the message that needs to be sent to the second base station device by using the X2 link comprises:

Receiving, by the first base station device, a radio link failure indication RLF INDICATION message, and determining, according to the RLF INDICATION message, whether a handover report HANDOVER REPORT message needs to be sent to the second base station device;

If the decision is needed, a HANDOVER REPORT message is generated that needs to be sent to the second base station device over the X2 link.
The method according to any one of claims 7 to 9, wherein the first base station device sends the message to a third party device that establishes an X2 link with the first base station device, by a third party. Sending, by the device, the message to the second base station device includes:

The first base station device finds, from at least one base station device that has an X2 link with the first base station, a fourth base station device that has a neighbor relationship with the second base station device;

Sending the message to the fourth base station device, and sending the message to the second base station device by using the fourth base station device.
The method according to any one of claims 7 to 9, wherein the first base station device sends the message to a third party device that establishes an X2 link with the first base station device, by a third party. Sending, by the device, the message to the second base station device includes:

The first base station device sends the message to a centralized control device that has an X2 link with the first base station device, and sends the message to the second base station device by using the centralized control device.
The method according to any one of claims 7 to 9, wherein the first base station device initiates establishing an X2 link from the first base station device to the second base station device, including:

The first base station device sends an X2 link setup request message to the second base station device;

Receiving an X2 link setup response message returned by the second base station device to establish an X2 link from the first base station device to the second base station device.