CN105722127B - Relay node management method and operation maintenance center - Google Patents
Relay node management method and operation maintenance center Download PDFInfo
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- CN105722127B CN105722127B CN201410734411.3A CN201410734411A CN105722127B CN 105722127 B CN105722127 B CN 105722127B CN 201410734411 A CN201410734411 A CN 201410734411A CN 105722127 B CN105722127 B CN 105722127B
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Abstract
The invention discloses a relay node management method, which comprises the following steps: when an Operation Maintenance Center (OMC) determines that a Relay Node (RN) is accessed, converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN; and acquiring the dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information. The invention also discloses an Operation and Maintenance Center (OMC).
Description
Technical Field
The present invention relates to an Operation Maintenance management technology, and in particular, to a relay node management method and an Operation and Maintenance Center (OMC) in a Long Term Evolution (LTE) system.
Background
With the rapid development of mobile data services, the concept of Relay Node (RN) is introduced in order to expand the wireless coverage, reduce dead-angle areas in communication, balance load, transfer services in hot spot areas, save the transmission power of User Equipment (UE), and the like. As shown in fig. 1, the RN has two functions, on one hand, as a UE accessing a network to establish a bearer and other related operations, and on the other hand, as an evolved node b (eNB, eNodeB) to provide access for the UE; a Donor base station (DeNB, Donor-eNB) provides wireless access for the RN; the Type1 Type RN can establish an independent cell belonging to itself, and the RN can work like a base station in its cell, such as sending reference signals, scheduling UE, etc. The Type2 Type RN does not have its own independent cell, but only assists the DeNB in data transmission.
The RN establishes S1 connection with the DeNB, the DeNB is regarded as a unique Mobility Management Entity (MME), all S1 signaling related to the UE is sent to the DeNB through the S1 connection, and the DeNB sends the S1 signaling to the MME; similarly, the RN establishes a unique X2 connection with the DeNB, and X2 signaling between the RN and other enbs is forwarded through the DeNB, as shown in fig. 2.
When the RN is started, eNB broadcast information of the position where the RN is located is scanned first, and the eNB is accessed; then obtaining initial parameters and a DeNB identification list of the position from the OMC, and attaching the initial parameters and the DeNB identification list to the DeNB; then the RN acquires parameters through the DeNB, and after S1 connection and X2 connection with the DeNB are established, the RN is started successfully.
In the prior art, the OMC manages the RN by depending on the DeNB, and when the OMC performs parameter configuration and parameter modification on the RN, the OMC needs to know the DeNB information of the RN to perform corresponding operation, so that management and maintenance of the RN are high in complexity and low in efficiency.
Disclosure of Invention
In view of this, embodiments of the present invention are expected to provide a relay node management method and an OMC, which can effectively reduce complexity of management and maintenance of an RN by the OMC and greatly improve working efficiency of the OMC.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a relay node management method, which comprises the following steps:
when an operation maintenance center OMC determines that a relay node RN accesses, converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN;
and acquiring the dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information.
In the above scheme, before the OMC determines the RN access, the method further includes:
and the OMC creates an RN network element object, sets an RN switch in a wireless node, and establishes the association relation between the RN and a receiving base station DeNB when the wireless node is determined to be the RN according to the set RN switch.
In the foregoing scheme, the establishing the association relationship between the RN and the DeNB includes: setting a base station function IDentity (ID) of the RN to be the same as the base station function ID of the DeNB.
In the foregoing solution, the acquiring the dynamic attribute change information of the RN includes:
and acquiring dynamic attribute change information actively reported by the RN, and/or regularly inquiring and acquiring the dynamic attribute change information of the RN.
In the above scheme, the acquiring the dynamic attribute change information actively reported by the RN includes:
and receiving a plurality of trap messages actively and continuously reported by the RN, and extracting dynamic attribute change information of the RN from the trap messages.
The embodiment of the present invention further provides an OMC, where the OMC includes: a synchronization module and an update module; wherein,
the synchronization module is used for converting preset attribute information of the RN into an attribute file and synchronizing the attribute file to the RN when the RN is determined to be accessed;
and the updating module is used for acquiring the dynamic attribute change information of the RN and updating the dynamic attribute information table of the RN according to the dynamic attribute change information.
In the above scheme, the OMC further includes:
and the creating module is used for creating an RN network element object, setting an RN switch in the wireless node, and creating the association relation between the RN and the DeNB when the wireless node is determined to be the RN according to the set RN switch.
In the foregoing solution, the creating module is specifically configured to set the base station function ID of the RN to be the same as the base station function ID of the DeNB.
In the above scheme, the update module is specifically configured to acquire dynamic attribute change information actively reported by the RN, and/or periodically query and acquire the dynamic attribute change information of the RN.
In the foregoing scheme, the update module is specifically configured to receive multiple trap messages actively and continuously reported by the RN, and extract dynamic attribute change information of the RN in the trap messages.
According to the relay node management method and the OMC provided by the embodiment of the invention, when the OMC determines that the RN is accessed, the OMC converts preset attribute information of the RN into an attribute file and synchronizes the attribute file to the RN; and acquiring the dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information. Therefore, when the RN is subjected to parameter configuration and modification, the DeNB information does not need to be concerned, the complexity of management and maintenance of the RN by the OMC is effectively reduced, and the working efficiency of the OMC is greatly improved.
Drawings
FIG. 1 is a functional diagram of a RN in the prior art;
FIG. 2 is a diagram illustrating a connection relationship between an RN and a DeNB in the prior art;
fig. 3 is a schematic flowchart of a relay node management method according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a relay node management method according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an operation and maintenance center according to an embodiment of the present invention.
Detailed Description
In the embodiment of the invention, when the OMC determines the access of the RN, the preset attribute information of the RN is converted into an attribute file, and the attribute file is synchronized to the RN; and acquiring the dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information.
Fig. 3 is a flowchart illustrating a relay node management method according to an embodiment of the present invention; as shown in fig. 3, the flow of the relay node management method in the embodiment of the present invention includes:
step 301: when the OMC determines that the RN is accessed, converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN;
here, the attribute information of the RN is system configuration information of the RN, and includes: area identification (tracking Area Code), Cell IDentity (Cell IDentity), Cell selection/reselection parameters, etc.;
converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN comprises the following steps:
the OMC generates a preset attribute file from the attribute information of the RN, sends a file acquisition message to the RN, and the RN acquires the attribute file according to the file acquisition message; wherein, the file acquisition message comprises address information of the attribute file and the like; the attribute file can be an XML attribute file, and the generation of the attribute file from the attribute information of the RN is to convert the attribute information of the RN into the XML file; thus, the RN can easily analyze and load the attribute information.
Further, before this step, the method further includes: the OMC creates an RN network element object, sets an RN switch in a wireless node, and establishes an association relation between the RN and the DeNB when the wireless node is determined to be the RN according to the set RN switch;
here, the OMC creates an RN network element object, that is, the RN is set as a network element the same as the DeNB, so that the RN does not depend on the DeNB, and the DeNB is only used as a channel between the OMC and the RN;
the determining that the wireless node is the RN according to the set RN switch comprises: the OMC determines that the RN switch is enabled; the RN switch is an RN identifier and is used for identifying whether the current wireless node is an RN or not;
the RN switch enables a parameter value which can be identified for the RN to be 1, and identifies the wireless node as the RN so as to be different from other network elements; the RN switch is turned off, and the parameter value of the RN mark is 0, which indicates that the current base station is a common base station;
the establishing of the association relationship between the RN and the DeNB comprises the following steps: setting a base station Function identity (ENB Function ID) of the RN to be the same as the ENB Function ID of the DeNB;
here, setting the ENB Function ID of the RN to be the same as the ENB Function ID of the DeNB, indicating that the RN is an affiliated node of the DeNB, thereby establishing the association relationship between the RN and the DeNB; multiple RNs may depend on the same DeNB, that is, ENB Function IDs of the multiple RNs may be set to be the same as the ENB Function ID of the same DeNB.
Step 302: acquiring dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information;
here, before the updating the dynamic attribute information table of the RN according to the dynamic attribute change information, the method further includes: the OMC establishes a dynamic attribute information table of the RN, and is used for maintaining the dynamic attribute information of the RN;
the acquiring the dynamic attribute change information of the RN includes:
acquiring dynamic attribute change information actively reported by the RN, and/or regularly inquiring and acquiring the dynamic attribute change information of the RN;
the acquiring of the dynamic attribute change information actively reported by the RN includes: receiving a plurality of trap messages actively and continuously reported by the RN when the dynamic attribute information of the RN changes, and extracting the dynamic attribute change information of the RN in the trap messages; here, the number of the trap messages may be set according to an actual situation, and preferably may be three, so that it is ensured that the OMC can still obtain the dynamic attribute change information actively reported by the RN when a certain trap message is lost; the dynamic attribute change information of the RN is changed dynamic attribute information of the RN, and the dynamic attribute information of the RN includes: international Mobile Subscriber Identity (IMSI), anonymous key enablement flag, cell enablement flag, etc.; the anonymous key enabling identifier is used for identifying whether an anonymous key is used, and the cell enabling identifier is used for opening or closing a cell;
when the dynamic attribute information of the RN changes, the OMC is informed to acquire the changed dynamic attribute data of the RN in a trap message mode, so that the required network flow is small, and the network burden is small;
the timing query and the obtaining of the dynamic attribute information of the RN include: the OMC sends a dynamic attribute information query request to the RN at regular time, and obtains the current dynamic attribute information of the RN according to the message replied by the RN; here, the time for the OMC to send the dynamic attribute information query request to the RN may be set according to actual conditions.
The updating the dynamic attribute information table of the RN according to the dynamic attribute change information includes: the OMC updates the dynamic attribute information of the RN in the dynamic attribute information table of the RN according to the dynamic attribute change information, sends a Simple Network Management Protocol (SNMP) message to inform the RN, and stores the updated dynamic attribute information table information of the RN when the SNMP message is determined to be successfully sent; here, the sending of the SNMP message is determined to be successful, that is, the OMC receives the message that the receiving of the RN feedback is successful.
Fig. 4 is a flowchart illustrating a relay node management method according to a second embodiment of the present invention; as shown in fig. 4, the flow of the relay node management method in the embodiment of the present invention includes:
step 401: the OMC creates an RN network element object, sets an RN switch in a wireless node, and establishes an association relation between the RN and the DeNB when the wireless node is determined to be the RN according to the set RN switch;
here, the OMC creates an RN network element object, that is, the RN is set as a network element identical to the DeNB, so that the RN does not need to depend on the DeNB;
the determining that the wireless node is the RN according to the set RN switch comprises: the OMC determines that the RN switch is enabled; the RN switch is an RN identifier and is used for identifying whether the current wireless node is an RN or not;
the RN switch enables a parameter value which can be identified for the RN to be 1, and identifies the wireless node as the RN so as to be different from other network elements; the RN switch is turned off, and the parameter value of the RN mark is 0, which indicates that the current base station is a common base station;
the establishing of the association relationship between the RN and the DeNB comprises the following steps: setting the ENB Function ID of the RN to be the same as the ENB Function ID of the DeNB;
here, setting the ENB Function ID of the RN to be the same as the ENB Function ID of the DeNB, indicating that the RN is an affiliated node of the DeNB, thereby establishing the association relationship between the RN and the DeNB; multiple RNs may depend on the same DeNB, that is, ENB Function IDs of the multiple RNs may be set to be the same as the ENB Function ID of the same DeNB.
It should be noted that, this step only needs to be executed when the relay node management method in the embodiment of the present invention is applied for the first time, and the subsequent step can be directly applied.
Step 402: when the OMC determines that the RN is accessed, converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN;
here, the attribute information of the RN includes: area identification (tracking Area Code), Cell Identity (Cell Identity), Cell selection/reselection parameters, etc.;
converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN comprises the following steps:
the OMC generates a preset attribute file from the attribute information of the RN, sends a file acquisition message to the RN, and the RN acquires the attribute file according to the file acquisition message; wherein, the file acquisition message comprises address information of the attribute file and the like; the property file may be an XML property file.
Step 403: acquiring dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information;
here, before the updating the dynamic attribute information table of the RN according to the dynamic attribute change information, the method further includes: the OMC establishes a dynamic attribute information table of the RN, and is used for maintaining the dynamic attribute information of the RN;
the acquiring the dynamic attribute change information of the RN includes:
acquiring dynamic attribute change information actively reported by the RN, and/or regularly inquiring and acquiring the dynamic attribute information of the RN;
the acquiring of the dynamic attribute change information actively reported by the RN includes: receiving a plurality of trap messages actively and continuously reported by the RN when the dynamic attribute information of the RN changes, and extracting the dynamic attribute change information of the RN in the trap messages; here, the number of the trap messages may be set according to an actual situation, and preferably may be three, so that it is ensured that the OMC can still obtain the dynamic attribute change information actively reported by the RN when a certain trap message is lost; the dynamic attribute change information of the RN is changed dynamic attribute information of the RN, and the dynamic attribute information of the RN includes: IMSI, anonymous key enabling identification, cell enabling identification and the like; the anonymous key enabling identifier is used for identifying whether an anonymous key is used, and the cell enabling identifier is used for opening or closing a cell;
when the dynamic attribute information of the RN changes, the OMC is informed to acquire the changed dynamic attribute data of the RN in a trap message mode, so that the required network flow is small, and the network burden is small;
the timing query and the obtaining of the dynamic attribute information of the RN include: the OMC sends a dynamic attribute information query request to the RN at regular time, and obtains the current dynamic attribute information of the RN according to the message replied by the RN; here, the time for the OMC to send the dynamic attribute information query request to the RN may be set according to actual conditions.
The updating the dynamic attribute information table of the RN according to the dynamic attribute change information includes: the OMC updates the dynamic attribute information of the RN in the dynamic attribute information table of the RN according to the dynamic attribute change information, sends an SNMP message to inform the RN, and stores the updated dynamic attribute information table information of the RN when the fact that the SNMP message is successfully sent is determined; here, the sending of the SNMP message is determined to be successful, that is, the OMC receives the message that the receiving of the RN feedback is successful.
Fig. 5 is a schematic structural diagram of an OMC according to an embodiment of the present invention, and as shown in fig. 5, the OMC according to the embodiment of the present invention includes: a synchronization module 51 and an update module 52; wherein,
the synchronization module 51 is configured to convert preset attribute information of the RN into an attribute file and synchronize the attribute file to the RN when the RN is determined to be accessed;
the update module 52 is configured to acquire dynamic attribute change information of the RN, and update the dynamic attribute information table of the RN according to the dynamic attribute change information;
here, the attribute information of the RN is system configuration information of the RN, and includes: area identification (tracking Area Code), Cell Identity (Cell Identity), Cell selection/reselection parameters, etc.;
the step of the synchronization module 51 converting preset attribute information of the RN into an attribute file, and synchronizing the attribute file to the RN includes:
the synchronization module 51 generates an attribute file from preset attribute information of the RN, and sends a file acquisition message to the RN, and the RN acquires the attribute file according to the file acquisition message; wherein, the file acquisition message comprises address information of the attribute file and the like; the property file may be an XML property file.
Further, the OMC further comprises: a creating module 53, configured to create an RN network element object, set an RN switch in a wireless node, and establish an association relationship between the RN and the DeNB when the set RN switch determines that the wireless node is an RN;
here, the creating module 53 creates an RN network element object, that is, sets the RN as a network element identical to the DeNB, so that the RN does not need to depend on the DeNB;
the creating module 53, according to the set RN switch, determining that the wireless node is the RN, includes: the creation module 53 determines that the RN switch is enabled; the RN switch is an RN identifier and is used for identifying whether the current wireless node is an RN or not;
the RN switch enables a parameter value which can be identified for the RN to be 1, and identifies the wireless node as the RN so as to be different from other network elements; the RN switch may be turned off, and the parameter value of the RN identifier is 0, indicating that the current base station is a normal base station.
Further, the creating module 53 establishes an association relationship between the RN and the DeNB, including:
the creating module 53 sets the base station function ID of the RN to be the same as the base station function ID of the DeNB.
Further, the acquiring, by the updating module 52, the dynamic attribute change information of the RN includes:
the update module 52 obtains dynamic attribute change information actively reported by the RN, and/or periodically queries and obtains dynamic attribute information of the RN;
the acquiring, by the update module 52, the dynamic attribute change information actively reported by the RN includes:
the updating module 52 receives multiple trap messages that are actively and continuously reported when the dynamic attribute information of the RN changes, and extracts the dynamic attribute change information of the RN in the trap messages; here, the number of the trap messages may be set according to an actual situation, and preferably may be three, so that it is ensured that the OMC can still obtain the dynamic attribute change information actively reported by the RN when a certain trap message is lost; the dynamic attribute change information of the RN is changed dynamic attribute information of the RN, and the dynamic attribute information of the RN includes: IMSI, anonymous key enabling identification, cell enabling identification and the like; the anonymous key enabling identifier is used for identifying whether an anonymous key is used, and the cell enabling identifier is used for opening or closing a cell;
the updating module 52 periodically querying and obtaining the dynamic attribute information of the RN includes:
the update module 52 sends a dynamic attribute information query request to the RN at regular time, and obtains the current dynamic attribute information of the RN according to the message replied by the RN; here, the time for the OMC to send the dynamic attribute information query request to the RN may be set according to actual conditions.
Further, the creating module 53 is further configured to create a dynamic attribute information table of the RN, so as to maintain the dynamic attribute information of the RN;
further, the updating module 52 updates the dynamic attribute information table of the RN according to the dynamic attribute change information, including:
the update module 52 updates the dynamic attribute information of the RN in the dynamic attribute information table of the RN according to the dynamic attribute change information, sends an SNMP message to notify the RN, and stores the updated dynamic attribute information table information of the RN when it is determined that the SNMP message is successfully sent; here, the sending of the SNMP message is determined to be successful, that is, the OMC receives the message that the receiving of the RN feedback is successful.
In the embodiment of the present invention, the synchronization module 51, the update module 52, and the creation module 53 may be implemented by a Central Processing Unit (CPU) or a Digital Signal Processor (DSP) or a Field Programmable Gate Array (FPGA) in the server.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A relay node management method, the method comprising:
when an operation maintenance center OMC determines that a relay node RN is accessed, converting preset attribute information of the RN into an attribute file, and sending a file acquisition message to the RN, so that the RN acquires the attribute file according to the file acquisition message, wherein the file acquisition message comprises address information of the attribute file;
and acquiring dynamic attribute change information of the RN, and updating a dynamic attribute information table of the RN according to the dynamic attribute change information, wherein the dynamic attribute change information of the RN is changed dynamic attribute information of the RN.
2. The method of claim 1, wherein before the OMC determines RN access, the method further comprises:
and the OMC creates an RN network element object, sets an RN switch in a wireless node, and establishes the association relation between the RN and a receiving base station DeNB when the wireless node is determined to be the RN according to the set RN switch.
3. The method of claim 2, wherein the establishing the association relationship between the RN and the DeNB comprises: and setting the base station function identity identification code ID of the RN to be the same as the base station function ID of the DeNB.
4. The method according to claim 1 or 2, wherein the acquiring the dynamic attribute change information of the RN comprises:
and acquiring dynamic attribute change information actively reported by the RN, and/or regularly inquiring and acquiring the dynamic attribute change information of the RN.
5. The method of claim 4, wherein the acquiring the dynamic attribute change information actively reported by the RN comprises:
and receiving a plurality of trap messages actively and continuously reported by the RN, and extracting dynamic attribute change information of the RN from the trap messages.
6. An operation and maintenance center, OMC, comprising: a synchronization module and an update module; wherein,
the synchronization module is configured to convert preset attribute information of the RN into an attribute file when the RN is determined to be accessed, and send a file acquisition message to the RN, so that the RN acquires the attribute file according to the file acquisition message, where the file acquisition message includes address information of the attribute file;
the update module is configured to acquire dynamic attribute change information of the RN, and update the dynamic attribute information table of the RN according to the dynamic attribute change information, where the dynamic attribute change information of the RN is changed dynamic attribute information of the RN.
7. The OMC of claim 6, further comprising:
and the creating module is used for creating an RN network element object, setting an RN switch in the wireless node, and creating the association relation between the RN and the DeNB when the wireless node is determined to be the RN according to the set RN switch.
8. The OMC according to claim 7, wherein the creating module is specifically configured to set the base station function ID of the RN to be the same as the base station function ID of the DeNB.
9. The OMC according to claim 6 or 7, wherein the update module is specifically configured to acquire dynamic attribute change information actively reported by the RN, and/or periodically query and acquire the dynamic attribute change information of the RN.
10. The OMC according to claim 9, wherein the updating module is specifically configured to receive multiple trap messages that are actively and continuously reported by the RN, and extract dynamic attribute change information of the RN in the trap messages.
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| CN201410734411.3A CN105722127B (en) | 2014-12-04 | 2014-12-04 | Relay node management method and operation maintenance center |
| PCT/CN2015/089623 WO2016086702A1 (en) | 2014-12-04 | 2015-09-15 | Relay node management method, operation and maintenance center, and storage medium |
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| CN201410734411.3A CN105722127B (en) | 2014-12-04 | 2014-12-04 | Relay node management method and operation maintenance center |
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| CN108243048A (en) * | 2016-12-27 | 2018-07-03 | 大唐移动通信设备有限公司 | A kind of small base station self-starting method, small base station, host base station and system |
| CN114641011B (en) * | 2020-12-15 | 2024-07-26 | 中国移动通信有限公司研究院 | Transmission method, apparatus, device, and readable storage medium |
| CN113852968B (en) * | 2021-07-29 | 2023-06-27 | 浪潮软件科技有限公司 | Method and system for core network data configuration management |
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| CN101657028A (en) * | 2009-09-10 | 2010-02-24 | 新邮通信设备有限公司 | Method, device and system for establishing S1 interface connection |
| CN102595558A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Method, device and system for relay node to access to network |
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| CN100461925C (en) * | 2005-12-02 | 2009-02-11 | 大唐移动通信设备有限公司 | Repeater operation maintenance method and system in mobile communication system |
| US20080080399A1 (en) * | 2006-10-03 | 2008-04-03 | Interdigital Technology Corporation | Enhanced node b configuration with a universal integrated circuit card |
| US8797940B2 (en) * | 2009-03-11 | 2014-08-05 | Telefonaktiebolaget L M Ericsson (Publ) | Setup and configuration of relay nodes |
| CN102223617B (en) * | 2010-04-15 | 2014-02-12 | 电信科学技术研究院 | Method, system and device for updating neighborhood attribute |
| CN102281520B (en) * | 2010-06-13 | 2016-02-24 | 中兴通讯股份有限公司 | A kind of resource distribution indicating means of backhaul link uplink control channel and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101657028A (en) * | 2009-09-10 | 2010-02-24 | 新邮通信设备有限公司 | Method, device and system for establishing S1 interface connection |
| CN102595558A (en) * | 2011-01-11 | 2012-07-18 | 中兴通讯股份有限公司 | Method, device and system for relay node to access to network |
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