CN107426795B - Method and device for processing information management message of wireless access network - Google Patents
Method and device for processing information management message of wireless access network Download PDFInfo
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Abstract
The invention discloses a method and a device for processing a wireless access network information management message. The method comprises the following steps: comparing whether the radio access network information management messages respectively coming from the same network element (such as eNodeB) and the external same-level network element (such as RNC) corresponding to the same cell are consistent; and if not, re-acquiring the radio access network information management message of the cell to the external peer network element. The invention can correct the wrong RIM message in the network element (such as eNodeB), thereby providing guarantee for UE to successfully access the network.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method and an apparatus for processing a radio access network information management message.
Background
RIM (radio access network Information Management) messages (i.e., RIM messages) of the same cell may not be consistent between different base stations. Due to the inconsistency, it may cause a UE (User Equipment) to easily have a network access failure when using the RIM message, i.e. increase the failure rate of the User to access the network.
Disclosure of Invention
The invention aims to provide a method and a device for processing a radio access network information management message, which can correct an error RIM message so as to guarantee that UE (user equipment) successfully accesses a network.
In order to solve the above technical problem, an embodiment of the present invention provides a method for processing an information management message of a radio access network, including:
comparing whether the first radio access network information management messages of the same cell respectively from the same network element and the external same level network element are consistent; and
and if the two cells are not consistent, the first radio access network information management message of the same cell is acquired again to the external peer network element.
Before the comparing whether the first radio access network information management messages from the peer network element and the external peer network element are consistent, the method further includes:
receiving a first radio access network information management message corresponding to the cell from the peer network element through an interface for communicating with the peer network element.
Wherein the method further comprises: acquiring a second radio access network information management message from the external same-level network element; and
and sending the second radio access network information management message to the peer network element through an interface for communicating with the peer network element.
Wherein, before the sending the second radio access network information management message to the peer network element, the method further comprises:
judging whether the current configuration requires to send the second radio access network information management message acquired from the external peer network element to the peer network element;
and if so, executing the step of sending the second radio access network information management message to the equivalent network element.
Wherein the interface is an X2 interface.
Wherein the first radio access network information management message includes: a system broadcasts a message;
and when the system broadcast messages corresponding to the same cell from the equivalent network element and the external peer network element are different, the system broadcast messages are inconsistent.
Wherein the first radio access network information management message includes: load information;
and when the difference between the load information corresponding to the same cell from the equivalent network element and the external equivalent network element is greater than a preset threshold, determining that the load information is inconsistent.
The peer network element is a base station or an evolved node B, and the external peer network element is a radio network controller or a base station controller.
The invention provides a processing device of wireless access network information management information, comprising:
the comparison module is used for comparing whether the first radio access network information management messages which respectively come from the same network element and the external same network element and correspond to the same cell are consistent or not; and
and an obtaining module, configured to, when the comparison module compares that the first radio access network information of the same cell is inconsistent, re-obtain the first radio access network information management message of the same cell to the external peer network element.
Wherein, still include: a receiving module, configured to receive a first radio access network information management message from the peer network element through an interface for communicating with the peer network element.
The obtaining module is further configured to obtain a second radio access network information management message from the external peer network element.
Wherein the processing device further comprises: a sending module, configured to send the second radio access network information management message to the peer network element through an interface used for communicating with the peer network element.
Wherein, still include: a judging module, configured to judge whether the current configuration requires sending the second radio access network information management message acquired from the external peer network element to the peer network element; and when the judging module judges that the requirement is met, the sending module sends the second radio access network information management message to the equivalent network element.
Wherein the interface is an X2 interface.
Wherein the first radio access network information management message includes: a system broadcasts a message; and when the system broadcast messages corresponding to the same cell from the equivalent network element and the external peer network element are different, the system broadcast messages are inconsistent.
Wherein the first radio access network information management message includes: load information; and when the difference between the load information corresponding to the same cell from the equivalent network element and the external equivalent network element is greater than a preset threshold, determining that the load information is inconsistent.
The processing device is applied to a base station or an evolved node B, the peer network element is the base station or the evolved node B, and the external peer network element is a radio network controller or a base station controller.
The invention has the beneficial effects that:
in the invention, the RIM message of the cell is not only from the external peer network element, but also from the same network element, so that whether the RIM messages from the external peer network element and the same network element for the same cell are consistent or not can be compared, if not, the current RIM message is wrong, and therefore, the RIM message of the cell is obtained again from the external peer network element to correct the RIM message, thereby ensuring that the subsequent UE can use the correct RIM message to provide guarantee for the UE to access the network.
In addition, in the invention, the function of the existing X2 interface is expanded, so that the equivalent network elements can use the X2 interface to interact RIM messages, therefore, the scheme of the invention can keep the existing networking mode unchanged without changing the architecture of the existing network, has better compatibility and is easy to realize.
Drawings
FIG. 1 is a pictorial illustration of a networking according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a RIM message interaction flow;
FIG. 3 is a flow chart diagram of a first embodiment of a method for processing RIM messages of the present invention;
FIG. 4 is a flow chart diagram of a second embodiment of a method of processing a RIM message of the present invention;
FIG. 5 is a flow chart illustrating a method for processing a RIM message according to a third embodiment of the present invention;
FIG. 6 is a flow chart illustrating a method for processing a RIM message according to a fourth embodiment of the present invention;
fig. 7 is a flowchart illustrating a fifth embodiment of a method for processing a RIM message according to the present invention;
fig. 8 is a schematic structural diagram of a first embodiment of a RIM message processing apparatus of the present invention;
fig. 9 is a schematic structural diagram of a second embodiment of a RIM message processing apparatus according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
In the embodiment of the invention, the network element judges whether the RIM message is accurate or not by comparing whether the RIM messages of the same cell corresponding to the same network element from the same network element and the external same network element are consistent or not. And if the cell information is inconsistent with the RIM information of the same cell, the RIM information of the same cell is acquired again by the external peer network element so as to realize the correction of the RIM information, thereby providing guarantee for the UE to access the network by using the RIM information. The peer Network element may be a Base Station or an evolved node B (labeled eNodeB), and the external peer Network element may be an RNC (Radio Network Controller) or a BSC (Base Station Controller). It should be noted that it is clear to those skilled in the art that the base station and the eNodeB, and the RNC and the BSC are different names of different wireless communication technologies for the same transaction, and as the wireless communication technologies develop, they may have some new names.
Referring to fig. 1, a networking diagram of the present invention is shown. As shown, the networking map includes: an RNC and a plurality of enodebs, such as eNodeB1, eNodeB2, … …, eNodeBN, where N is an integer. Wherein, the enodebs 1, the enodebs 2, … … and the enodebs are equal network elements, and the RNCs are the external peer network elements of the enodebs 1, 2, … … and the enodebs. Wherein, for the sake of easy understanding for those skilled in the art, the eNodeB will be described as an equivalent network element and the RNC will be described as an external peer network element in the following.
Among them, eNodeB1, eNodeB2, … …, eNodeBN mainly obtains RIM information from RNC through S1 interface, and how eNodeB obtains RIM information from RNC is the content familiar to those skilled in the art, which is only briefly described as follows and not described in detail: as shown in fig. 2, the eNodeB sends a RIM request to the RNC; the RNC replies to the eNodeB with a RIM response (i.e., replies to a RIM message) based on the RIM request; when the RNC finds that the RIM message is updated, the updated RIM message is actively pushed to the eNodeB. It should be noted that there may be other intermediate network elements between the eNodeB and the RNC, as known by those skilled in the art.
In the prior art, the RIM messages acquired by the eNodeB are strongly dependent on the RNC, and when an intermediate network element between the RNC and the eNodeB has a fault, it may cause inconsistency of the RIM messages acquired by the same cell between the enodebs, for example, when there is a fault between the eNodeB1 and the RNC (which may cause a delay interruption between the eNodeB1 and the RNC, thereby failing to ensure that the latest RIM messages can reach the eNodeB1 in time), and when there is no fault in the intermediate network element between the eNodeB2 and the RNC (which may ensure that the latest RIM messages can reach the eNodeB2 in time), it may cause inconsistency of the RIM messages between the eNodeB1 and the eNodeB2 with respect to the same cell. For example, since the network is clear between eNodeB2 and the RNC, eNodeB2 can obtain the latest RIM message for a cell, while eNodeB1 has a delay interruption with the RNC, the RIM message in eNodeB1 may still be the last (not currently latest) cached RIM message for the cell, resulting in inconsistency between eNodeB1 and eNodeB2 in the RIM message for the cell. This inconsistency may lead to subsequent access network failures for the UE.
On this basis, the inventor of the present invention realizes that the enodebs can communicate RIM messages with each other, and then the enodebs compare the RIM messages about the same cell respectively acquired from the RNC and other enodebs to determine whether the current RIM message of the eNodeB from the RNC may be inaccurate. If the two are not consistent, the eNodeB acquires the RIM message of the cell from the RNC again so as to correct the RIM message. It should be noted that, in the prior art, when acquiring the RIM message, the eNodeB acquires the RIM message from the RNC, but does not acquire the RIM message from another channel (e.g., eNodeB). And none of the existing related protocols, standards, or other knowledge teaches that the X2 interface between enodebs can be used to communicate RIM messages.
Therefore, the invention provides a method and a device for processing RIM messages, which can correct the RIM messages acquired from external peer network elements based on the RIM messages acquired from peer network elements. Specifically, referring to fig. 3, it is a schematic flow chart of a first embodiment of the processing method of the RIM message of the present invention. It includes:
step 31: and comparing whether the RIM messages respectively from the equivalent network element and the external equivalent network element corresponding to the same cell are consistent or not. And
step 32: if not, re-acquiring the RIM message of the cell to the external peer network element.
In step 31, the RIM message corresponding to the same cell has two sources, one is from an equivalent network element (such as other base station or eNodeB) and the other is from an external peer network element (RNC or BSC). It should be noted that after receiving the RIM message from the external peer network element, the RIM message may be cached; then, upon receiving the RIM message from the peer network element, the cached RIM message (which may be referred to as a first RIM message) is extracted from the cache and compared with the RIM message (which may be referred to as a second RIM message) from the peer network element. If the RIM messages of the first RIM message and the second RIM message with respect to the same cell are identical, any flow may not be triggered or a normal flow may be performed. If the RIM information for the same cell in the first RIM message and the second RIM message do not coincide, step 32 is triggered. If the first RIM message and the second RIM message do not relate to the same cell, any flow may not be triggered.
In step 31, acquiring the RIM message from the external peer network element may include: sending RIM request to external same network element; next, a RIM response returned by the external peer network element is received.
In this embodiment, the RIM message of the cell is not only from the external peer network element, but also from the peer network element, so that it may be compared whether the RIM messages from the external peer network element and the peer network element for the same cell are consistent, and if not, it indicates that there may be an error in the current RIM message, so that the RIM message of the cell is obtained again from the external peer network element to correct the RIM message, thereby ensuring that the subsequent UE can use the correct RIM message, i.e., providing a guarantee for the UE to access the network.
Fig. 4 is a schematic flow chart of a method for processing RIM messages according to a second embodiment of the present invention. It includes:
step 41: the RIM message is obtained from an external peer network element. And
step 42: and sending the RIM message acquired in the step 41 to the equivalent network element.
In step 41, the obtaining of the RIM message from the external peer network element may be receiving an updated RIM message pushed by the external peer network element.
In step 42, after the RIM message is acquired in step 41, a synchronization process of the RIM message between the peer network elements is then triggered, that is, the RIM message acquired in step 41 is sent to the peer network elements, for example, the RIM message is delivered through an X2 interface connected between the peer network elements. In addition, step 42 may send the RIM message acquired in step 41 to one or more peer network elements.
In this embodiment, after the local network element acquires the RIM message from the external peer network element, the acquired RIM message is synchronized to the peer network element, so that the peer network element can correct the RIM message according to the synchronized RIM message. It should be noted that the embodiment in fig. 4 may be used in combination with the embodiment in fig. 3, for example, a peer network element may send a RIM message acquired from an external peer network element to another peer network element, or may receive a RIM message from another peer network element, which is not limited in this invention.
Fig. 5 is a schematic flow chart of a method for processing RIM messages according to a third embodiment of the present invention. It includes:
step 51: the RIM message is obtained from an external peer network element. And
step 52: and judging whether the current configuration requires to send the RIM information acquired from the external peer network element to the peer network element. If yes, step 53 is executed, and if no, the flow ends.
Step 53: and sending the RIM message acquired in step 51 to the peer network element.
The difference between the embodiment of fig. 5 and the embodiment of fig. 4 is that after acquiring the RIM message from the external peer network element in step 51, step 52 reads the local configuration file, so that whether the current configuration requires (or allows) sending the RIM message to other peer network elements.
In this embodiment, the network server may set whether the peer network element needs to send the RIM message of the external peer network element to other peer network elements according to the need, so as to improve the security of the system.
It should be noted that, since the RIM message includes a very rich message content, for example, the RIM message may include a system broadcast message, a network optimization message, a network load message, a network access message, and so on, the following will describe a flow of a processing method of the RIM message by taking a system broadcast message and a network compliance message as examples through fig. 6 and fig. 7.
Fig. 6 is a schematic flow chart of a method for processing RIM messages according to a fourth embodiment of the present invention. It includes:
step 61: eNodeB1 obtains system broadcast information for cell N from the RNC.
Step 62: eNodeB1 determines whether the system broadcast information for cell N needs to be passed to all X2 interfaced enodebs based on the current configuration. If so, go to step 63, otherwise, end the process.
And step 63: eNodeB1 passes the system broadcast information for cell N to all X2 interfaced enodebs.
Step 64: after receiving the system broadcast information of the cell N transmitted by the X2 interface, the eNodeB N compares the system broadcast information with the system broadcast information of the cell N in the cache to determine whether the system broadcast information is consistent (i.e., identical). If yes, go to step 65, otherwise, end the process.
Step 65: when the inconsistency is detected, the eNodeB N initiates a procedure of acquiring the system information to the RNC again through the S1 interface.
The system broadcast information involved in the present embodiment is an example of a RIM message.
By means of the embodiment, validity of UTRA SI (UMTS terrestrial radio access system information) information can be guaranteed. The UTRA/GERA (GSM EDGE Radio Access, GSM/EDGE Radio Access network) SI is mainly used for an eNodeB to acquire System Information (SI) of a cell from the UTRAN/GERA, and then the existing information between the eNodeB and the UE is utilized to bring the UTRA/GERA SI information to the UE along with the route, so that the UE can be reselected to a GU network in an LTE network more quickly.
Fig. 7 is a schematic flow chart of a fifth embodiment of the processing method of the RIM message in the present invention. It includes:
step 71: eNodeB1 obtains load information for cell N from the RNC;
step 72: eNodeB1 determines whether cell N load information needs to be transferred to all X2 interfaced enodebs based on the current configuration. If so, go to step 63, otherwise, end the process.
Step 73: eNodeB1 passes the load information for cell N to all X2 interfaced enodebs.
Step 74: after receiving the load information of the cell N transmitted by the X2 interface, the eNodeB N compares whether the absolute value of the difference value between the load information of the cell N and the load information of the cell N in the cache is greater than a preset threshold. If the value is greater than the preset threshold, step 65 is executed, otherwise, the process is ended. If the value is less than the threshold value, the flow is ended.
Step 75: the eNodeB N initiates the procedure of acquiring the load information to the RNC again through the S1 interface.
The load information involved in the present embodiment is an example of a RIM message.
The implementation case can ensure the validity of SON transfer information. Wherein, the SON transfer function of the RIM mainly exchanges the load information of the cell among UTRAN, E-UTRAN and GERAN. This function may be for the UE to handover services between RATs (Radio Access Technologies).
The method for processing the RIM message of the present invention is described in detail above, and the apparatus for processing the RIM message of the present invention is described below. Wherein, the processing device of the RIM message can be used to execute each step in the above method flow. For example, the processing means of the RIM message may be applied to the above mentioned network element, or the processing means of the RIM message is the above mentioned network element, e.g. eNodeB.
Referring to fig. 8, it is a schematic structural diagram of a first embodiment of a RIM message processing device 8 according to the present invention. It includes:
a comparing module 81, configured to compare whether RIM messages of the same cell from the peer network element and the external peer network element are consistent. And
an obtaining module 82, configured to, when the comparison module 81 compares that the cell is inconsistent, re-obtain the RIM message of the cell to an external peer network element.
Fig. 9 is a schematic structural diagram of a second embodiment of the RIM message processing device 8 according to the present invention. Fig. 9 is compared with fig. 8, and it further includes:
a receiving module 83, configured to receive the RIM message from the peer network element. And
a sending module 84, configured to send the RIM message to the peer network element. Wherein, the receiving module 83 and the sending module 84 can both realize sending or receiving through an X2 interface; or the receiving module 83 and the sending module 84 may be integrated into a transceiver module and the X2 interface may be part of the transceiver module.
Before the sending module 84 sends the RIM message to the peer network element, it may further invoke a determining module 85 to determine whether the current configuration requires sending the RIM message obtained from the external peer network element to the peer network element; if so, the sending operation is executed.
It should be noted that details of operations executed by the modules in fig. 8 and fig. 9 are correspondingly described in the foregoing method embodiments, and therefore, the details are not repeated for brevity.
It should be noted that all modules related to the present invention are logic modules, and in practical applications, one logic unit may be one physical unit, may also be a part of one physical unit, and may also be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present invention, elements that are not so closely related to solving the technical problems proposed by the present invention are not introduced in the present embodiment, but this does not indicate that other elements are not present in the present embodiment.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (16)
1. A method for processing a radio access network information management message, comprising:
comparing whether the first radio access network information management messages of the same cell respectively from the same network element and the external same level network element are consistent; wherein, the equivalent network element is a base station or an evolved node B (labeled as eNodeB), and the external peer network element is an RNC (radio network controller) or a BSC (base station controller); and
and if the cell information is inconsistent with the first radio access network information, the first radio access network information management message of the cell is acquired again to the external peer network element.
2. The method of claim 1, wherein before the comparing whether the first ran information management messages corresponding to the cell from the peer network element and the external peer network element are consistent, the method further comprises:
receiving a first radio access network information management message corresponding to the cell from the peer network element through an interface for communicating with the peer network element.
3. The method for processing the radio access network information management message according to claim 1, wherein the method further comprises:
acquiring a second radio access network information management message from the external same-level network element; and
and sending the second radio access network information management message to the peer network element through an interface for communicating with the peer network element.
4. The method for processing the radio access network information management message according to claim 3, wherein before the sending the second radio access network information management message to the peer network element, the method further comprises:
judging whether the current configuration requires to send the second radio access network information management message acquired from the external peer network element to the peer network element;
and if so, executing the step of sending the second radio access network information management message to the equivalent network element.
5. The method for processing the radio access network information management message according to claim 2 or 3, wherein the interface is an X2 interface.
6. The method for processing the radio access network information management message according to claim 1, wherein the first radio access network information management message comprises: a system broadcasts a message;
and when the system broadcast messages corresponding to the same cell from the equivalent network element and the external peer network element are different, the system broadcast messages are inconsistent.
7. The method for processing the radio access network information management message according to claim 1, wherein the first radio access network information management message comprises: load information;
and when the difference between the load information corresponding to the same cell from the equivalent network element and the external equivalent network element is greater than a preset threshold, determining that the load information is inconsistent.
8. The method as claimed in any of claims 1 to 4 and 6 to 7, wherein the peer network element is a base station or an enodeb, and the external peer network element is a radio network controller or a base station controller.
9. An apparatus for processing a radio access network information management message, comprising:
the comparison module is used for comparing whether the first radio access network information management messages which respectively come from the same network element and the external same network element and correspond to the same cell are consistent or not; wherein, the equivalent network element is a base station or an evolved node B (labeled as eNodeB), and the external peer network element is an RNC (radio network controller) or a BSC (base station controller); and
and an obtaining module, configured to, when the comparison module compares that the first radio access network information management message is inconsistent with the second radio access network information management message, re-obtain the first radio access network information management message to the external peer network element.
10. The apparatus for processing an information management message of a radio access network according to claim 9, further comprising:
a receiving module, configured to receive the first radio access network information management message from the peer network element through an interface used for communicating with the peer network element.
11. The apparatus for processing a radio access network information management message according to claim 9,
the obtaining module is further configured to obtain a second radio access network information management message from the external peer network element;
the processing apparatus further comprises:
a sending module, configured to send the second radio access network information management message to the peer network element through an interface used for communicating with the peer network element.
12. The apparatus for processing an information management message of a radio access network according to claim 11, further comprising:
a judging module, configured to judge whether the current configuration requires sending the second radio access network information management message acquired from the external peer network element to the peer network element;
and when the judging module judges that the requirement is met, the sending module sends the second radio access network information management message to the equivalent network element.
13. The apparatus for processing an information management message of radio access network according to claim 10 or 11, characterized in that the interface is an X2 interface.
14. The apparatus for processing the radio access network information management message according to claim 9, wherein the first radio access network information management message comprises: a system broadcasts a message;
and when the system broadcast messages corresponding to the same cell from the equivalent network element and the external peer network element are different, the system broadcast messages are inconsistent.
15. The apparatus for processing the radio access network information management message according to claim 9, wherein the first radio access network information management message comprises: load information;
and when the difference between the load information corresponding to the same cell from the equivalent network element and the external equivalent network element is greater than a preset threshold, determining that the load information is inconsistent.
16. The apparatus for processing an information management message of a radio access network according to any of claims 9-12 and 14-15, wherein the apparatus is applied to a base station or an enodeb, the peer network element is the base station or the enodeb, and the external peer network element is a radio network controller or a base station controller.
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| CN101594674B (en) * | 2009-06-19 | 2011-08-24 | 中兴通讯股份有限公司 | Information interaction method used for wireless access network information management |
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| CN104105130A (en) * | 2013-04-03 | 2014-10-15 | 北京三星通信技术研究有限公司 | Load reporting method between UMTS system and LTE system and LTE system |
| US9622104B2 (en) * | 2013-05-09 | 2017-04-11 | Lg Electronics Inc. | Method and apparatus for transmitting cell load information in wireless communication system |
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