CN103532729B - The transmission method and device of information - Google Patents

The transmission method and device of information Download PDF

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CN103532729B
CN103532729B CN201210231647.6A CN201210231647A CN103532729B CN 103532729 B CN103532729 B CN 103532729B CN 201210231647 A CN201210231647 A CN 201210231647A CN 103532729 B CN103532729 B CN 103532729B
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network elements
instruction
network
information
management
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CN103532729A (en
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陈东
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses the transmission method and device of a kind of information, wherein, this method includes：The management being managed to radio frequency unit RU network elements and/or digital processing element DU network elements that receiving network managing system NMS is sent instructs, wherein, RU network elements correspond to one or more RU, and DU network elements correspond to one or more DU；And/or the monitoring information of RU network elements and/or DU network elements is reported to NMS.By the present invention, solves the problems, such as the network management of C RAN network architectures.

Description

The transmission method and device of information
Technical field
The present invention relates to the communications field, in particular to the transmission method and device of a kind of information.
Background technology
With the fast development of mobile Internet, Internet of Things, particularly intelligent terminal is widely available, in wireless network Data traffic sharp increase, the expenditure for building, upgrading wireless access network increase year by year, and coexisting for multiband multi-standard also makes Network O＆M cost remains high, and per user's average income（Average Revenue PerUser, referred to as ARPU）Value is simultaneously Do not increase proportionally with data traffic, these factors have seriously affected the profitability and existence sky of mobile operator Between.
In order to solve above-mentioned predicament, industry proposes the wireless access network solution C-RAN of fusion 4C features, its core Technology includes：Centralized（Concentrate Base-Band Processing）、Cooperative（Collaborative radio）, Cloud（Based on cloud computing The hardware and software platform of framework）And Clean（It is energy-saving）.The target of C-RAN is from long-term angle, and one is provided for operator A low cost, high-performance, expansible GreenNet framework, cater to the WiMAX industry of following extreme enrichment in an economical manner The development of business.NGMN related specifications are made that C-RAN solutions elaboration, and Fig. 1 is the C-RAN network structures according to correlation technique The schematic diagram of frame and network element composition, as shown in Figure 1, the solution of C-RAN is specially：
（1）The digital processing element of base station（Digital Unit, referred to as DU）And radio frequency unit（Radio Unit, letter Referred to as RU）It is deployed separately：The separation in geographic region is realized between DU and RU, dynamic can be formed or half dynamic network topology connects Connect.Communication between DU and RU is with the ORI interfaces and common public radio interface of standard（The Common Public Radio Interface, referred to as CPRI links are carried, and can support the communications protocol of multiband multi-standard, and different factories at the same time Business's equipment interconnects.
（2）DU concentrates deployment to form cloud computing framework：The DU of scale is concentrated and is deployed in central machine room or hub transmission, into Row centralized management and scheduling, form shared base band resource pool.The baseband signal of DU Combined Treatment differences RU, so as to dynamic The tide traffic effect being adapted in mobile communication system so that base-band resource is efficiently utilized.
（3）Wireless cooperation reduces interference, lifts network performance and user experience：In C-RAN frameworks, between DU or DU clouds Between, interconnected using X2 interface or the X2 high-speed channels of enhancing, share user information, Conjoint Analysis processing service quality （Quality of Service, referred to as QoS）Index, passes through more RRU shared logics cells, and collaboration multicast communication （Coordinated Multiple Points, referred to as CoMP）The technologies such as multipoint cooperative, can be obviously improved network spectrum effect The performance of rate, especially cell edge.
（4）The framework of flexible scalability and high fault tolerance：With the deployment increase of DU, network capacity can be from smaller Scale（For example, 10 macrocells）Smoothly expand to fairly large（For example, more than 100 macrocells）.A small amount of DU failures（Example Such as, 10%）, do not interfere with service and performance that whole C-RAN systems provide.
C-RAN frameworks are compared with traditional RAN access nets, have done substantial amounts of technological innovation.But these change to network pipe Reason proposes deep challenge, main to be embodied in two aspects：For the resource pool across DU（Inter-DU Resource Pooling）, and the resource pool in a DU（Intra-DU Resource Pooling）Coordinated management.Such as：1） Between the DU and RU that are deployed separately, dynamic or half dynamic Topology connection can be formed, how to define and describes in network management This Topology connection；2）Multiple DU, which polymerize, to be formed cloud computing framework and carries out collaboration computing, how to be defined and is retouched in network management State this Topology connection between DU；3）There is the ability of signal combination and user's QoS Conjoint Analysis between more RU, and in DU clouds Multiple cell can carry out uplink and downlink performance cooperation, how to be defined in network management more RU and multiple cell allocation map close System.
In current NGMN in the preliminary specifications of C-RAN, it is proposed that Inter-DU Resource Pooling and Both application scenarios of Intra-DU Resource Pooling and corresponding regulatory requirement, but do not provide specific Solution.It should be strongly noted that the network architecture that C-RAN is proposed not is one to RAN networks defined in 3GPP Secondary to overturn, its network resources model may map to defined in 3GPP on logical functional entity, but money defined in 3GPP Source model is than broad, it is impossible to embodies the management requirement of C-RAN networks completely, it is necessary to do further refinement and more accurate Description.
At the same time, a typical C-RAN website has suffered more massive unit than traditional RAN set of sites, and Provide MPS process of larger capacity.According to it is traditional using a BTS/NodeB/eNodeB as granularity come provide configuration, accuse The mode of the northbound interface of alert, performance and assets is excessively grand and extensive so that user is difficult to identify that in NMS systems For the unit of an overlay area, to be managed and monitor.
For the above problem in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of effective solution not yet being proposed for the network management in correlation technique to C-RAN network architectures, The present invention provides the transmission method and device of a kind of information, at least to solve the above problems.
According to an aspect of the invention, there is provided a kind of transmission method of information, including：Receiving network managing system The management being managed to radio frequency unit RU network elements and/or digital processing element DU network elements that NMS is sent instructs, wherein, it is described RU network elements correspond to one or more RU, and the DU network elements correspond to one or more DU；And/or report the RU nets to the NMS The monitoring information of first and/or described DU network elements.
Preferably, after receiving the management being managed to the RU network elements instruction that NMS is sent, further include：According to the pipe Reason instruction handles RU network elements and the attaching relation of DU network elements.
Preferably, the management instruction deletes instruction for RU network elements, according to the management instruction to RU network elements and DU network elements Attaching relation handled, including：The RU network elements are deleted from the attaching relation and delete the RU nets that instruction request is deleted Member.
Preferably, the RU network elements are deleted from the attaching relation and delete the RU network elements that instruction request is deleted, including：Sentence The RU network elements for asking to delete break whether in the attaching relation table of RU network elements and DU network elements, wherein, the attaching relation table Middle record has the attaching relation of RU network elements and DU network elements；If so, the RU nets that removal request is deleted from the attaching relation table The information of member.
Preferably, from the attaching relation table removal request delete RU network elements information, including：Closed from the ownership It is the mark of the RU network elements that removal request is deleted in table, and asks the corresponding RU information of RU network elements deleted.
Preferably, the management instruction is the increase instruction of RU network elements, according to the management instruction to RU network elements and DU network elements Attaching relation handled, including：Increase the RU network elements increase increased RU nets of instruction request in the attaching relation Member.
Preferably, the RU network elements increase increased RU network elements of instruction request are increased in the attaching relation, including：Sentence It is disconnected to ask the increased RU whether in the attaching relation table of RU network elements and DU network elements, wherein, remember in the attaching relation table Record has the attaching relation of RU network elements and DU network elements；If not, increased RU network elements are asked in increase in the attaching relation table Information.
Preferably, the information for asking increased RU network elements is increased in the attaching relation table, including：Closed in the ownership It is the mark that increased RU network elements are asked in increase in table, and asks the corresponding RU information of increased RU network elements.
Preferably, the management instruction is RU network elements more new command, according to the management instruction to RU network elements and DU network elements Attaching relation handled, including：Update the corresponding RU information of RU network elements of the RU network elements renewal instruction request renewal.
Preferably, the RU information includes at least one of：The list of RU, the address list of RU, RU and cell are reflected Penetrate relation.
Preferably, after receiving the management being managed to the DU network elements instruction that NMS is sent, further include：According to the pipe Reason instruction handles the syntople between the DU network elements.
Preferably, the syntople between the DU network elements is handled according to the management instruction, including：The pipe When reason instruction deletes instruction for DU network elements, the letter for the DU network elements that the DU network elements request is deleted is deleted from the syntople Breath；When the management instruction is DU network elements more new command, the information for the DU network elements that renewal is asked in the syntople is updated；Institute State management instruction for the increase instruction of DU network elements when, in the syntople increase ask the information of increased DU network elements.
Preferably, the information of the DU network elements includes：The mark of DU, the address of DU.
Preferably, the information of the DU network elements further includes：Principal and subordinate's mark of DU.
Preferably, if the DU network elements that request is deleted are main DU network elements, the DU network elements are deleted from the syntople After the information for asking the DU network elements of deletion, further include：Choose the DU nets in addition to the DU network elements that request is deleted in C-RAN networks One of member, as new main DU network elements.
Preferably, the information that the management instruction carries includes：The RU network elements and/or the DU network elements are configured Configuration information.
Preferably, before the monitoring information that the RU network elements and/or the DU network elements are reported to Network Management System NMS, Further include：Receive that the NMS is sent to the RU network elements and/or the monitoring information of the DU network elements reports instruction.
Preferably, the information that the monitoring information reports instruction to carry includes：The monitoring information reports instruction request The mark of RU network elements, and/or, the monitoring information reports the mark of the DU network elements of instruction request.
Preferably, the corresponding multiple RU of the RU network elements are multiple RU of continuous overlay area.
Preferably, the corresponding multiple RU of the RU network elements are 3 RU of continuous overlay area.
According to another aspect of the present invention, there is provided a kind of transmitting device of information, including：Receiving module, for connecing Receive the management being managed to radio frequency unit RU network elements and/or digital processing element DU network elements that Network Management System NMS is sent Instruction, wherein, the RU network elements correspond to one or more RU, and the DU network elements correspond to one or more DU；And/or report mould Block, for reporting the monitoring information of the RU network elements and/or the DU network elements to the NMS.
Preferably, described device further includes：First processing module, pipe is carried out for what is sent in reception NMS to RU network elements After the management instruction of reason, RU network elements and the attaching relation of DU network elements are handled according to the management instruction.
Preferably, the first processing module, for when the management instruction deletes instruction for RU network elements, returning from described The RU network elements are deleted in category relation and delete the RU network elements that instruction request is deleted.
Preferably, the first processing module, for when the management instruction instructs for the increase of RU network elements, returning described Increase the RU network elements increase increased RU network elements of instruction request in category relation.
Preferably, the first processing module, for when the management instruction is RU network element more new commands, described in renewal The corresponding RU information of RU network elements of RU network elements renewal instruction request renewal.
Preferably, further include：Second processing module, for receiving the management being managed to DU network elements of NMS transmissions After instruction, the syntople between the DU network elements is handled according to the management instruction.
Preferably, the Second processing module includes：First processing units, for being deleted in the management instruction for DU network elements During except instruction, the information for the DU network elements that the DU network elements request is deleted is deleted from the syntople；And/or second processing Unit, for when the management instruction is DU network element more new commands, updating the DU network elements that renewal is asked in the syntople Information；And/or the 3rd processing unit, for the management instruction for the increase instruction of DU network elements when, in the syntople The information of increased DU network elements is asked in middle increase.
Preferably, further include：Receiving module, for reporting RU network elements and/or described to Network Management System NMS Before the monitoring information of DU network elements, receive that the NMS is sent to the RU network elements and/or the monitoring information of the DU network elements reports Instruction.
By the present invention, the management being managed to the RU network elements and/or DU network elements instruction that NMS is sent, each RU are received Network element corresponds to one or more RU, and each DU network elements correspond to one or more DU so that Element management system can be according to management Instruction is managed RU and/or DU；And the monitoring information of RU network elements and/or DU network elements is reported to NMS so that NMS can The monitoring information of RU and/or DU is obtained, realizes the management to RU and/or DU.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram formed according to the C-RAN network architectures and network element of correlation technique；
Fig. 2 is the flow chart of the transmission method of information according to embodiments of the present invention；
Fig. 3 is schematic diagram of the preferable RU network elements according to embodiments of the present invention to RU Model Abstractions；
Fig. 4 is the structure diagram of the transmitting device of the information of embodiment according to the present invention；
Fig. 5 is the structure diagram of the transmitting device of preferable information according to embodiments of the present invention；
Fig. 6 is the structure diagram of the transmitting device of another preferable information according to embodiments of the present invention；
Fig. 7 is the structure diagram of the transmitting device of another preferable information according to embodiments of the present invention；
Fig. 8 is the schematic diagram of the management object model of C-RAN networks according to embodiments of the present invention；
Fig. 9 is the structure diagram of the device of the network cooperating management under C-RAN networks according to embodiments of the present invention；
Figure 10 is that the slave NMS of example 2 according to the present invention increases the sequential flow chart of DU network elements and RU network elements newly；
Figure 11 is the flow chart that RU network elements are deleted in the slave attaching relation table of example 3 according to the present invention；
Figure 12 is the flow chart that RU network elements are updated in attaching relation table of example 4 according to the present invention；
Figure 13 is the flow chart that DU network elements are deleted in the slave adjacency table of example 5 according to the present invention；
Figure 14 is the flow chart of principal and subordinate's mark that DU network elements are updated in adjacency table of example 6 according to the present invention；
Figure 15 is the flow chart of the RU network element alarming notice reportings of example 7 according to the present invention；
Figure 16 is the flow chart that the RU network element performance measurements of example 8 according to the present invention report.
Embodiment
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
According to embodiments of the present invention, there is provided a kind of transmission method of information, to solve the network to C-RAN network architectures The problem of management not yet proposes effective solution.
Fig. 2 is the flow chart of the transmission method of information according to embodiments of the present invention, as shown in Fig. 2, this method can wrap Step S202 is included to step S204.
Step S202, receives the management being managed to the RU network elements and/or DU network elements instruction that NMS is sent, wherein, RU nets The corresponding one or more RU of member, DU network elements correspond to one or more DU.
Step S204, the monitoring information of RU network elements and/or DU network elements is reported to NMS.
By the embodiment of the present invention, the management being managed to the RU network elements and/or DU network elements instruction that NMS is sent is received, Each RU network elements correspond to one or more RU, and each DU network elements correspond to one or more DU so that Element management system being capable of root RU and/or DU are managed according to management instruction；And the monitoring information of RU network elements and/or DU network elements is reported to NMS so that NMS can obtain the monitoring information of RU and/or DU, realize the management to RU and/or DU.
In the related art, the resource model involved by current 3GPP and NGMN cannot exactly define out Inter-DU Both C-RAN typical case scenes of Resource Pooling and Intra-DU Resource Pooling.Of the invention real Apply in example, by the way that existing resource model is finely divided and is extended, be more accurately depicted under C-RAN frameworks, DU and RU it Between the dynamic or half dynamic topological relation for polymerizeing interconnection between topological relation, DU, the allocation map relation of more RU and multiple cell, with And C-RAN networks are managed, to adapt to the regulatory requirement under C-RAN frameworks.
In embodiments of the present invention, a RU network element can be that the polymerization to one or more RU is abstracted.Of the invention real In a preferred embodiment for applying example, as shown in figure 3, be abstracted can be according to following principle for the polymerization to multiple RU：To one Geographic area, can be combined by multiple RU and provide continuous cell signal and cover, these RU are polymerized to a RU network element, one RU network elements can correspond to the multiple RU units of management.One DU network element can correspond to one or more RU network elements, one or more RU nets The corresponding RU of member belongs to a DU network element, is Dynamic link library relation between DU network elements and RU network elements.DU network elements and DU network elements it Between be Dynamic link library relation, a DU network element can carry out cooperateing with processing with one or more DU network elements.Separately below to RU nets The management of member and the syntople between the attaching relation and DU and DU of DU network elements is described.
First, the maintenance of RU network elements and the attaching relation of DU network elements
In a preferred embodiment of the embodiment of the present invention, the pipe being managed to RU network elements that NMS is sent is received After reason instruction, RU network elements and the attaching relation of DU network elements can also be handled according to the management instruction received.At this In inventive embodiments, in order to safeguard the dynamic relationship between RU and DU, RU network elements and the attaching relation of DU network elements are handled It is main to include deleting RU network elements, increase RU network elements and renewal RU network elements.
（1）Delete RU network elements
When the management instruction that NMS is sent instructs for the deletion of RU network elements, according to management instruction to RU network elements and DU network elements When attaching relation is handled, RU network elements can be deleted from the attaching relation of RU network elements and DU network elements and delete instruction request deletion RU network elements.In practical applications, the attaching relation table of RU network elements and DU network elements can be established, RU is recorded in attaching relation table The attaching relation of network element and DU network elements.
In a preferred embodiment of the embodiment of the present invention, RU is deleted from the attaching relation of RU network elements and DU network elements When network element deletes the RU network elements that instruction request is deleted, it can be determined that whether the RU network elements for asking to delete are in RU network elements and DU network elements In attaching relation table, record has the attaching relation of RU network elements and DU network elements in the attaching relation table；If ask the RU nets deleted Member in attaching relation table, then from attaching relation table removal request delete RU network elements information.
In practical applications, in the attaching relation table of RU network elements and DU network elements, the mark of DU network elements can be recorded, and Belong to the mark of the RU network elements of DU network elements, and the corresponding RU information of RU network elements.Therefore, it is excellent at one of the embodiment of the present invention Select in embodiment, can be with from the attaching relation table of RU network elements and DU network elements during the information for the RU network elements that removal request is deleted The mark for the RU network elements that removal request is deleted from attaching relation table, and the corresponding RU information of RU network elements that request is deleted.
For example, RU network elements delete the mark that the RU network elements that request is deleted can be carried in instruction, and the RU network elements correspond to DU network elements mark, receive RU network elements delete instruction after, in the database search RU request delete RU network elements mark Whether it is recorded in attaching relation table, if it is, by the mark of RU network elements and the corresponding RU information deletions of the RU network elements, the RU Network element no longer belongs to the corresponding DU network elements of mark of DU network elements.
（2）Increase RU network elements
It is the increase instruction of RU network elements in the management instruction received in a preferred embodiment of the embodiment of the present invention When, can returning in RU network elements and DU network elements when being handled according to management instruction the attaching relation of RU network elements and DU network elements Increase the RU network elements increase increased RU network elements of instruction request in category relation.
In practical applications, RU network elements and the attaching relation of DU network elements can be recorded in attaching relation table.In RU network elements During RU network elements increased with increase RU network element increases instruction request in attaching relation, it can be determined that whether ask increased RU network elements In the attaching relation table of RU network elements and DU network elements, record has the attaching relation of RU network elements and DU network elements in the attaching relation table； If not recording the increased RU network elements of request in attaching relation table, the increased RU of request can be increased in attaching relation table The information of network element.
In embodiments of the present invention, a RU network element can correspond to one or more RU, and increase please in attaching relation table When seeking the information of increased RU network elements, the mark for asking increased RU network elements, and request can be increased in attaching relation table The corresponding RU information of increased RU network elements.
For example, when the corresponding RU of RU network elements is switched to other DU network elements outside the DU network elements of its ownership, increase in RU network elements Add the mark for being carried in instruction and asking increased RU network elements, the corresponding RU information of the RU network elements, and the DU nets that request increases to The mark of member, can record the mark of DU network elements and the mark of RU network elements in the attaching relation of RU network elements and DU network elements, and The information of the corresponding RU of RU network elements.If asking increased RU network elements to belong to the DU network elements of request, can terminate to increase Add the flow of RU network elements.
（Three）Update RU network elements
In a preferred embodiment of the embodiment of the present invention, when management instruction is RU network element more new commands, foundation When management instruction handles the attaching relation of RU network elements and DU network elements, the renewal instruction request renewal of RU network elements can be updated The corresponding RU information of RU network elements.Preferably, RU information includes but not limited at least one of：The list of RU, the address column of RU The mapping relations of table, RU and cell.
In practical applications, the Operation and Maintenance face of ownership RU can be established in the resource model of DU network elements, is each RU Network element provides the management function of OM channel, and above-mentioned several processing are not limited to the operation and maintenance of RU network elements.For example, NMS can also be issued to RU network elements to configuration information of RU etc..
2nd, the maintenance of DU network elements syntople
In C-RAN networkings, there is dynamic syntople between DU network elements, as needed can be added to DU network elements In cooperated computing, it can also be exited from cooperated computing.In a preferred embodiment of the embodiment of the present invention, NMS is received , can also be according to management instruction to the syntople between DU network elements after the management being managed to the DU network elements instruction sent Handled.In embodiments of the present invention, by taking a DU network element corresponds to a DU as an example, to the syntople between DU network elements Processing is described.
In embodiments of the present invention, the processing to the syntople between DU network elements include but not limited to delete DU network elements, Increase DU network elements and update the information of DU network elements.Preferably, instructed according to management to the syntople between DU network elements Reason includes：When management instruction deletes instruction for DU network elements, the DU network elements that the request of DU network elements is deleted are deleted from syntople Information；When management instruction is DU network element more new commands, the information for the DU network elements that renewal is asked in syntople is updated；Managing Instructing increases for DU network elements when instructing, in syntople increase ask the information of increased DU network elements.
Preferably, in embodiments of the present invention, the information of DU network elements can include mark, the address of DU network elements of DU network elements Deng.In practical applications, cooperated computing can be carried out between multiple DU network elements, one can be chosen in the DU network elements in cooperated computing A DU network elements are as master control DU network elements, to the DU network element centralized Controls of other cooperated computings.Therefore, it is excellent at one of the present embodiment Select in embodiment, the information of DU network elements further includes：Principal and subordinate's mark of DU.Delete what the request of DU network elements was deleted from syntople During the information of DU network elements, if the DU network elements that request is deleted are main DU network elements, the DU network elements request is deleted from syntople After the information of the DU network elements of deletion, can also choose in C-RAN networks except request delete DU network elements in addition to DU network elements it One, as new main DU network elements.
In practical applications, the Operation and Maintenance face of adjacent DU network elements can be established in the resource model of DU network elements, is every The DU network elements of a adjoining provide the management function of OM channel.Specifically, it can increase in the resource model of DU network elements The linked list of adjacent DU network elements, to describe the DU network elements that there is syntople with this DU.It is commutative between adjacent DU network elements RU network elements belong to table, to carry out more RRU, the cooperated computing of multiple cell and processing.In the adjoining list of DU network elements, it preferably includes DU Principal and subordinate's mark of network element ID list, the address list of DU network elements, and DU network elements.
In the cloud computing framework of a DU network elements composition, the DU network elements of multiple adjoinings have collaboration processing and combined calculation Ability.When adjacent DU network elements are in the relation of equity completely, there is no master control point of some DU network element as cloud computing, Then principal and subordinate's mark of each DU network elements is both configured to lead.In adjacent DU network elements, when some DU network element is as the total of cloud computing Control point, undertake fault recovery and the scheduling of load balancing and decision-making, then based on principal and subordinate's traffic sign placement of the network element, other DU network elements Principal and subordinate's traffic sign placement be from.
Principal and subordinate's mark can between adjacent DU network elements dynamic migration.When being responsible for the DU network elements failure of master control, some DU net The principal and subordinate of member indicates based on upset, with adapter general control function.In C-RAN networkings, there is dynamic syntople between DU network elements, DU network elements can be added in the cooperated computing of DU clouds, can also be exited from DU clouds as needed.For example, when newly-increased DU nets When member adds collaboration processing, created such as in adjacent list：The identification number of DU network elements, the address of DU network elements and the master of DU network elements From information such as marks.When DU network elements exit collaboration processing, deleted such as from adjacent list：The identification number of DU network elements, DU network elements Address and DU network elements principal and subordinate mark etc. information.When the DU network elements are master control point, other DU network elements need adapter master control Function, and overturn principal and subordinate's mark.When updating DU network elements, renewal is such as：The address list of DU network elements, or the information such as principal and subordinate's mark.
In addition, NMS can also carry the configuration information of DU network elements is handed down to DU network elements in management instructs, by network element pipe Reason system completes the configuration to DU network elements.
When reporting the monitoring information of RU network elements and/or DU network elements to NMS, RU network elements periodically can be reported to NMS And/or the monitoring information of DU network elements, after request can also be reported receive that NMS issues, to NMS report RU network elements and/or The monitoring information of DU network elements.In a preferred embodiment of the embodiment of the present invention, to NMS report the RU network elements and/or Before the monitoring information of DU network elements, it can also receive that NMS is sent to RU network elements and/or the monitoring information of DU network elements reports instruction. Preferably, the information that monitoring information reports instruction to carry includes but not limited to：Monitoring information reports the RU network elements of instruction request Mark, and/or, monitoring information reports the mark of the DU network elements of instruction request.
For example, monitoring information can be issued by the northbound interface between NMS and Element management system reports instruction, and Monitoring information is reported to NMS.
In practical applications, northbound interface is identified as major key to a DU network element, and a RU network element with DU network elements Under the data of more RU units carry out convergence merging respectively.The alarm notification of different DU network elements and RU network elements can be ordered respectively, Realize and obtain fine-grained alarm and notice.It can also come query warning and notice according to NE type and network element ID number.Together When for the alarm reported and notice, can be by the NE type and network element identifier of object, to filter inside NMS Alerted with statistics, realize single-site or the alarm inquiry or statistical report form of multi-site combination.It can also carry out performance data system Meter, after measurement task establishment, gathering has Network element object information in the performance data reported, the network element letter in associated configuration object Breath, can carry out statistics and analysis respectively to the performance data of each Network element object.Further, can be according to NE type and net First identifier counts and checks the asset equipment that different network elements use, and is used with counting the assets of single-site or multi-site combination Situation.
In embodiments of the present invention, the corresponding multiple RU of RU network elements are multiple RU of continuous overlay area, it is preferable that RU nets The corresponding multiple RU of member are 3 RU of continuous overlay area.
According to embodiments of the present invention, a kind of transmitting device of information is additionally provided, to realize that the embodiment of the present invention provides The above method.
Fig. 4 is the structure diagram of the transmitting device of the information of embodiment according to the present invention, as shown in figure 4, device master Topic includes：Receiving module 10 and reporting module 20.Wherein, receiving module 10, pair sent for receiving network managing system NMS The management instruction that RU network elements and/or DU network elements are managed, wherein, RU network elements correspond to one or more RU, and DU network elements correspond to one A or multiple DU；Reporting module 20, for reporting the monitoring information of RU network elements and/or DU network elements to NMS.
By the embodiment of the present invention, what receiving module 10 received that NMS sends is managed RU network elements and/or DU network elements Management instruction, each RU network elements correspond to one or more RU, and each DU network elements correspond to one or more DU so that NE management system System can be managed RU and/or DU according to management instruction；Reporting module 20 reports RU network elements and/or DU network elements to NMS Monitoring information so that NMS can obtain the monitoring information of RU and/or DU, realize the management to RU and/or DU.
Fig. 5 is the structure diagram of the transmitting device of preferable information according to embodiments of the present invention, as shown in figure 5, the device It can also include：First processing module 30, after being instructed in the management being managed to RU network elements for receiving NMS transmissions, RU network elements and the attaching relation of DU network elements are handled according to management instruction.In embodiments of the present invention, in order to safeguard RU with Dynamic relationship between DU, first processing module 30 to the attaching relation of RU network elements and DU network elements handle main including deleting RU network elements, increase RU network elements and renewal RU network elements.
（1）First processing module 30 can be used for, when management instruction deletes instruction for RU network elements, deleting from attaching relation Except RU network elements delete the RU network elements of instruction request deletion.Preferably, first processing module 30 can be from RU network elements and DU network elements When deleting RU network elements in attaching relation and deleting the RU network elements that instruction request is deleted, it can be determined that ask the RU network elements deleted whether RU network elements are with recording the attaching relation for having RU network elements and DU network elements in the attaching relation table of DU network elements, in the attaching relation table；Such as Fruit request delete RU network elements in attaching relation table, then from attaching relation table removal request delete RU network elements information.
In practical applications, in the attaching relation table of RU network elements and DU network elements, the mark of DU network elements can be recorded, and Belong to the mark of the RU network elements of DU network elements, and the corresponding RU information of RU network elements.Therefore, it is excellent at one of the embodiment of the present invention Select in embodiment, the RU network elements that first processing module 30 is deleted from removal request in the attaching relation table of RU network elements and DU network elements Information when, can from attaching relation table removal request delete RU network elements mark, and request delete RU network elements pair The RU information answered.
（2）First processing module 30 can be used for, when management instruction instructs for the increase of RU network elements, in attaching relation increasing RU network elements are added to increase the increased RU network elements of instruction request.
In practical applications, RU network elements and the attaching relation of DU network elements can be recorded in attaching relation table.First processing Module 30 is in RU network elements RU network elements increased with increase RU network element increases instruction request in attaching relation, it can be determined that request increases Whether the RU network elements added are in the attaching relation table of RU network elements and DU network elements, and record has RU network elements and DU nets in the attaching relation table The attaching relation of member；If not recording the increased RU network elements of request in attaching relation table, can increase in attaching relation table Add the information for asking increased RU network elements.
In embodiments of the present invention, a RU network element can correspond to one or more RU, and first processing module 30 is belonging to When the information of increased RU network elements is asked in increase in relation table, the increased RU network elements of request can be increased in attaching relation table Mark, and the corresponding RU information of the increased RU network elements of request.
（3）First processing module 30 can be used for when management instruction is RU network element more new commands, renewal RU network element renewals The corresponding RU information of RU network elements of instruction request renewal.Preferably, RU information includes but not limited at least one of：The row of RU The mapping relations of the address list of table, RU, RU and cell.
Fig. 6 is the structure diagram of the transmitting device of another preferable information according to embodiments of the present invention, as shown in fig. 6, should Device can also include：Second processing module 40, for instructing it in the management being managed to DU network elements for receiving NMS transmissions Afterwards, the syntople between DU network elements is handled according to management instruction.
In a preferred embodiment of the embodiment of the present invention, as shown in fig. 7, Second processing module 40 can include： First processing units 402, for when management instruction deleting instruction for DU network elements, the request of DU network elements being deleted from syntople and is deleted The information of the DU network elements removed；And/or second processing unit 404, for when management instruction is DU network element more new commands, updating The information of the DU network elements of renewal is asked in syntople；And/or the 3rd processing unit 406, for being DU network elements in management instruction During increase instruction, the information of the increased DU network elements of increase request in syntople.
When reporting the monitoring information of RU network elements and/or DU network elements to NMS, RU network elements periodically can be reported to NMS And/or the monitoring information of DU network elements, after request can also be reported receive that NMS issues, to NMS report RU network elements and/or The monitoring information of DU network elements.Preferably, before the monitoring information that the RU network elements and/or DU network elements are reported to NMS, can also connect Receipts NMS is sent to RU network elements and/or the monitoring information of DU network elements reports instruction.In the side of being preferable to carry out of the embodiment of the present invention In formula, which can also include：Receiving module, for NMS report the monitoring information of RU network elements and/or DU network elements it Before, reception NMS is sent to RU network elements and/or the monitoring information of DU network elements reports instruction.
The above method and device are described further with instantiation below.
Inter-DU Resource Pooling cannot be exactly defined for the resource model involved by 3GPP and NGMN The problem of with both C-RAN typical case scenes of Intra-DU Resource Pooling, by existing resource model into Row subdivision and extension, are more accurately depicted under C-RAN frameworks, dynamic or half dynamic topological relation between DU and RU；DU Between polymerize the topological relation of interconnection；The allocation map relation of more RRU and multiple cell, and to C-RAN networks in northbound interface The method being managed, to adapt to the regulatory requirement under C-RAN frameworks.
According to embodiments of the present invention, propose that one kind carries out coordinated management between DU and DU, between DU and RU and information is handed over Mutual method and system, and the method being managed in northbound interface to C-RAN networks, including configure, alert, performance and money Production management etc., to better conform to the network management requirement under C-RAN frameworks.
DU units（Digital Unit）It is the digital processing element of C-RAN networks, there is provided baseband processing resource, collaboration meter Calculation ability and OM channel.In embodiments of the present invention, the definition of DU managed network elements, the logic as management DU units are increased newly Functional entity.RU units（Radio Unit）It is made of radio frequency and antenna feeder module, there is provided the transmitting-receiving covering of cell signal.In this hair In bright embodiment, the definition of RU managed network elements, the logical functional entity as management RU units are increased newly.
One DU unit can the multiple RU units of direct or indirect connection, formation dynamic or half dynamic Topology connection.At this In inventive embodiments, IntraOamFunction is increased newly in NE management model, as management RU network element OM channels Logical functional entity.Computing can be cooperateed with to form cloud computing framework between multiple DU units.In embodiments of the present invention, in network element Increase InterOamFunction in administrative model newly, the logical functional entity as the adjacent DU network element OM channels of management. DU units and RU units realize the logic function for the BTS/NodeB/eNodeB that 3GPP is defined jointly.
Above-mentioned every content is further described below.
Fig. 8 is the schematic diagram of the management object model of C-RAN networks according to embodiments of the present invention, in managed network element Increase enumerated value definition in the attribute managedElementType of ManagedElement objects newly：DU and RU, is explicitly distinguished Go out DU ManagedElement（Hereinafter referred to as DU network elements）With RU ManagedElement（Hereinafter referred to as RU network elements）.Manage net The attribute of first ManagedElement, as shown in table 1.
The attribute and attribute value table of 1 managed network element of table
Specifically, each DU network elements and RU network elements have the unique network element ID managedElementId of the whole network. DU network elements are the logical functional entities for managing DU units, and a DU network element corresponds to a DU unit.RU network elements are management RU units Logical functional entity, RU network element corresponds to one or more RU units.DU network elements and RU network elements have one-to-many association Relation.
Element management system EMS（Hereinafter referred to as EMS）Centralized management to DU network elements and RU network elements is provided, including under be transported to Put parameter, monitor state and warning information, and acquisition performance measurement data etc..EMS is responsible for superior Network Management System NMS （Hereinafter referred to as NMS）The north orientation management interface of DU and RU network elements is provided.
It is abstracted as shown in figure 3, a RU network element is polymerization to one or more RU units.Convergence principle can be：It is right One geographic area, provides continuous cell signal by multiple RU unit associations and covers, then these RU units are polymerized to a RU Network element, a RU network element can correspond to the multiple RU units of management.
The Operation and Maintenance face of ownership RU network elements is established in the resource model of DU network elements（Intra O&M Function）, for institute The each RU network elements belonged to provide the management function of OM channel.Specifically, in the resource model of DU network elements, increase ownership RU The linked list of network element, to describe the RU network elements for having attaching relation with this DU, this DU network elements are responsible for carrying to the RU network elements of ownership Data processing, collaboration computing and O＆M management for concentration.RU network element IDs number are preferably included in ownership RU network element linked lists ManagedElementId lists { MeId1, MeId2 ... MeIdn }, corresponding RU unit lists { RU1, the RU2 ... of RU network elements RUn }, the address list { IP1, IP2 ... IPn } of RU units, and RU units and mapping relations { RU1-Cell1, the RU2- of cell Cell2…RUn-Celln}。
In C-RAN networkings, there is dynamic or half dynamic Topology connection, RU network element ownership tables to have for DU units and RU units The adjustment capability of adaptability, dynamic body reveal the change of networking structure.During newly-increased RU network elements, created such as in linked list：RU The identification number of network element, corresponding RU unit lists, the letter such as the address list of RU units and the mapping relations of RU units and cell Breath.When deleting RU network elements, deleted such as in linked list：The identification number of RU network elements, corresponding RU unit lists, the ground of RU units The information such as location list and the mapping relations of RU units and cell.When updating RU network elements, renewal is corresponding such as：RU unit lists, Or the address list of RU units, or the information such as mapping relations of RU units and cell.
The Operation and Maintenance face of adjacent DU network elements is established in the resource model of DU network elements（Inter O&M Function）, it is every The DU network elements of a adjoining provide the management function of OM channel.Preferably, in the resource model of DU network elements, adjacent DU is increased The linked list of network element, to describe the DU network elements that there is syntople with this DU.Commutative RU network elements between adjacent DU network elements Belong to table, to carry out more RRU, the cooperated computing of multiple cell and processing.In the adjoining list of DU network elements, it preferably includes DU network element marks Knowledge managedElementId lists { MeId1, MeId2 ... MeIdn }, the address list { IP1, IP2 ... IPn } of DU network elements, And principal and subordinate's mark of DU network elements（Master/Slave）.Wherein, indicate for the principal and subordinate of DU network elements, further describe For：
In the cloud computing framework of one DU network elements composition, the DU network elements of multiple adjoinings have collaboration processing and combined calculation Ability.When adjacent DU network elements are in the relation of equity completely, there is no master control point of some DU network element as cloud computing, then Principal and subordinate's mark of each DU network elements is both configured to lead.In adjacent DU network elements, when some master control of the DU network elements as cloud computing Point, undertakes fault recovery and the scheduling of load balancing and decision-making, then based on principal and subordinate's traffic sign placement of the network element, other DU network elements Principal and subordinate's traffic sign placement be from.Principal and subordinate's mark can between adjacent DU network elements dynamic migration.When being responsible for the DU network elements failure of master control, The principal and subordinate of some DU network element indicates based on upset, with adapter general control function.
In C-RAN networkings, there is dynamic syntople between DU network elements, DU network elements can be added to DU as needed In the cooperated computing of cloud, it can also be exited from DU clouds.Preferably, when newly-increased DU network elements add collaboration processing, in adjacent column Created such as in table：The identification number of DU network elements, the information such as the address of DU network elements and principal and subordinate's mark of DU network elements.When DU network elements exit During collaboration processing, deleted such as from adjacent list：The identification number of DU network elements, the address of DU network elements and principal and subordinate's mark of DU network elements Etc. information.When the DU network elements are master control point, other DU network elements need adapter general control function, and overturn principal and subordinate's mark.Update DU During network element, renewal is such as：The address list of DU network elements, or the information such as principal and subordinate's mark.
According to embodiments of the present invention, there is provided a kind of system of the network cooperating management under C-RAN networks.Fig. 9 is basis The structure diagram of the device of network cooperating management under the C-RAN networks of the embodiment of the present invention, as shown in figure 9, the system includes： C-RAN management modules in Network Management System NMS, Element management system EMS, RU network element attaching relation maintenance module, DU nets First syntople maintenance module, and database.
Wherein, the C-RAN management modules in NMS, for providing a user the entrance being managed to C-RAN network elements, carry For the collection for issuing and reporting information of operation maintenance command.Element management system, for one or more DU network elements and RU network elements are managed and safeguard.Element management system can include：RU network element attaching relations maintenance module, the adjoining of DU network elements are closed It is maintenance module, and database.RU network element attaching relation maintenance modules（IntraOamFunction）, for safeguarding RU network elements Attaching relation.DU network element syntople maintenance modules（InterOamFunction）, for safeguarding the syntople of DU network elements. Database, for storing the information in present networks, including information of RU attaching relations and DU syntoples etc..
According to embodiments of the present invention, a kind of method being managed in northbound interface to C-RAN networks is additionally provided.
Increase the definition of two kinds of managed network elements of DU network elements and RU network elements newly in the allocation models of northbound interface, and The management interface of InterOamFunction and IntraOamFunction OM channels.It can issue and be directed to from NMS systems The increase of RU Network element objects, more deletion, new command, and adjustment can be updated to IntraOamFunction objects, to embody Dynamic or half dynamic Topology connection characteristic between DU network elements and RU network elements.Can independently it be issued for DU network elements pair from NMS systems The increase of elephant, more deletion, new command, and adjustment can be updated to InterOamFunction objects, can to embody DU network elements Dynamic aggregation forms the architected features of cooperated computing.In the north direction interface data of NMS to EMS, using DU network elements and RU network elements as Minimum particle size reports monitoring information and receives management instruction.
Specifically, northbound interface is using managedElementId as major key（PrimaryKey）To a DU network element, and The data of more RU units under one RU network element carry out convergence merging respectively, mainly include：1）Alarm notification reports, and can distinguish The alarm notification of different DU network elements and RU network elements is ordered, realizes and obtains fine-grained alarm and notice；2）Alarm inquiry, alarm are looked into It can come query warning and notice according to NE type and network element ID number during inquiry, meanwhile, for the alarm reported and lead to Know, single-site to filter and count alarm, can be realized by the NE type and network element identifier of object inside NMS Or the alarm inquiry or statistical report form of multi-site combination；3）Performance data counts, and after measurement task creates, gathers the performance reported There is Network element object information in data, the net element information in associated configuration object, can distinguish the performance data of each Network element object Carry out statistics and analysis；4）Asset management, can count according to NE type and network element identifier and check not in asset management The asset equipment used with network element；Available for statistics single-site or the assets service condition of multi-site combination.
By the embodiment of the present invention, compared with prior art, the definition of DU and RU network element resources model has been increased newly, RU network elements are returned The Operation and Maintenance function of category relation and DU network element syntoples, solving current technology can not support under C-RAN frameworks, definition And manage dynamic or half dynamic topological connection relation between DU and RU；It polymerize the topological connection relation of interconnection between DU；More RRU and The problem of allocation map relation of multiple cell, and lack the management interface and resource model of C-RAN networks in northbound interface Problem.Single DU networkings are applicable not only to, can be used for the framework of more DU collaborations computings, the decoupling point between following DU and RU From group-network construction.
With reference to instantiation to the method and system of coordinated management under the C-RAN networks of the embodiment of the present invention into traveling One step illustrates.
Example 1
RU network elements are to the Model Abstractions of RU units, as shown in figure 3, a RU network element is that one or more RU units are gathered Close abstract.Convergence principle according to：To a geographic area, provide continuous cell signal by multiple RU unit associations and cover, then These RU units are polymerized to a RU network element.For example, some CRAN network, there are tri- overlay areas of A, B, C, area in geographical distribution Domain A has 3 RU units, 3 cells；Region B has 3 RU units, 3 cells；Region C has 3 RU units, 3 cells, each Region provides continuous cell signal by 3 RU unit associations and covers, and amounts to 9 RU units and is all connected on a DU unit. For network management, 1 DU network element, 3 RU network elements are formed, each RU network elements correspond to 3 cells.One RU network element corresponds to one A physical site, there is provided the configuration management using RU network elements as granularity, state alarm monitoring, and the statistical report of performance measurement.
Example 2
Figure 10 is that the slave NMS of example 2 according to the present invention increases the sequential flow chart of DU network elements and RU network elements newly, with reference to Figure 10 further describes the flow for increasing DU network elements and RU network elements newly from NMS.
As described in Figure 10, the flow for increasing DU network elements and RU network elements newly from NMS specifically includes：
Step 1, after EMS starts, by DU network element syntople maintenance modules（InterOamFunction）According to database The adjacency table between a DU network element is generated, the topology example of wherein adjacency table is：
Attribute Numerical value Whether it is major key
This DU network element IDs number This DU network element IDs number It is
This DU principals and subordinates indicate This DU principals and subordinates indicate It is no
Adjacent DU network element IDs number Adjacent DU network element ID lists It is no
Adjacent DU network element address Adjacent DU network element address lists It is no
Adjacent DU network elements principal and subordinate mark Adjacent DU network element principal and subordinate's flap-lists It is no
Step 2, after EMS starts, by RU network element attaching relation maintenance modules（IntraOamFunction）According to database The attaching relation table of one DU network element of generation and RU network elements, the topology example of wherein attaching relation table are：
Attribute Numerical value Whether it is major key
DU network element IDs number DU network element IDs number It is
RU network element IDs number RU network element ID lists It is
RU unit numbers RU unit number lists It is no
RU element addresses The list of RU element addresses It is no
The mapping relations of RU units and cell RU units and cell mapping relations list It is no
Step 3, NMS issues the instruction CreateDuManagedElement of increase DU network elements by northbound interface, carries Parameter includes：DuManagedElementId, masterSlaveStaus, externalDuManagedElementIdList, ExternalDuIpAddressList, externalMasterSlaveStatusList.
Step 4, EMS is after the instruction of increase DU network elements is received, and InterOamFunction modules are according to DU network element marks Knowledge number is used as major key, judges whether DU network elements are already present in adjacency table, if so, flow terminates.Otherwise, continue to hold Row the following steps.
Step 5, InterOamFunction modules newly-increased DU network element IDs number into adjacency table, DU network element address, And principal and subordinate's mark of DU network elements.
Step 6, NMS issues the instruction CreateRuManagedElement of increase RU network elements by northbound interface, carries Parameter includes：DuManagedElementId, ruManagedElementId, ruIdList, ruIpAddressList, ruCellRelationList。
Step 7, EMS is after NMS instructions are received, and IntraOamFunction modules are according to DU network element IDs number, RU nets First identification number is used as joint major key, judges whether RU network elements are already present in attaching relation table, if so, flow terminates.It is no Then, the following steps are continued to execute.
Step 8, IntraOamFunction modules increase RU network element IDs number, RU unit numbers row newly into attaching relation table The mapping relations list of table, the list of RU element addresses, and RU units and cell.Flow terminates.
Example 3
Figure 11 is the flow chart that RU network elements are deleted in the slave attaching relation table of example 3 according to the present invention, as shown in figure 11, should Method includes step S1102 to step S1106.
Step S1102, NMS issue the instruction DeleteRuManagedElement for deleting RU network elements by northbound interface, Carrying parameter includes：DuManagedElementId, ruManagedElementId.
Step S1104, EMS are after the instruction for deleting RU network elements is received, and IntraOamFunction modules are according to DU nets First identification number, RU network element IDs number are used as joint major key, judge whether RU network elements are already present in attaching relation table, if No, flow terminates.Otherwise, the following steps are continued to execute.
Step S1106, IntraOamFunction module deletes RU network elements number, and corresponding RU from attaching relation table The mapping relations list of unit number list, the list of RU element addresses, and RU units and cell.Flow terminates.
Embodiment 4
Figure 12 is the flow chart that RU network elements are updated in attaching relation table of example 4 according to the present invention, as shown in figure 12, should Method includes step S1202 to step S1206.
Rapid S1202, NMS issue the instruction UpdateRuManagedElement of renewal RU network elements by northbound interface, take Band parameter includes：DuManagedElementId, ruManagedElementId, ruIdList, ruIpAddressList, ruCellRelationList；EMS is receiving the instruction of renewal RU network elements.
Rapid S1204, EMS are after the instruction of renewal RU network elements is received, and IntraOamFunction modules are according to DU network elements Identification number, RU network element IDs number are used as joint major key, judge whether RU network elements are already present in attaching relation table, if not, Flow terminates.Otherwise, the following steps are continued to execute.
Rapid S1206, IntraOamFunction module update RU unit number lists in attaching relation table, or RU units Location list, or the mapping relations list of RU units and cell.Flow terminates.
Example 5
Figure 13 is the flow chart that DU network elements are deleted in the slave adjacency table of example 5 according to the present invention, as shown in figure 13, should Method includes step S1302 to step S1306.
Step S1302, EMS delete the instruction of DU network elements receiving.NMS issues the finger for deleting DU network elements by northbound interface DeleteDuManagedElement is made, carrying parameter includes：duManagedElementId.
Step S1304, EMS are after the instruction for deleting DU network elements is received, and InterOamFunction modules are according to DU nets First identification number judges whether DU network elements are already present in adjacency table, if not, flow terminates as major key.Otherwise, after It is continuous to perform the following steps.
Step S1306, InterOamFunction module deletes the syntople of DU network elements from adjacency table.Flow Terminate.
Example 6
Figure 14 is the flow chart of principal and subordinate's mark that DU network elements are updated in adjacency table of example 6 according to the present invention, such as Shown in Figure 14, the method comprising the steps of S1402 to step S1406.
Step S1402, EMS are receiving the instruction of renewal DU network elements principal and subordinate's mark.NMS issues renewal DU by northbound interface The instruction UpdateDuManagedElement of network element, the parameter of carrying can include：DuManagedElementId, MasterSlaveStatus, externalDuManagedElementIdList, externalDuIpAddressList, externalMasterSlaveStatusList。
Step S1404, EMS are after the instruction of renewal DU network elements principal and subordinate's mark is received, InterOamFunction modules Major key is used as according to DU network element IDs number, judges whether DU network elements are already present in adjacency table, if not, flow knot Beam.Otherwise, the following steps are continued to execute.
Step S1406, InterOamFunction module updates principal and subordinate's mark of this DU network elements in adjacency table, or Principal and subordinate's mark of adjacent DU network elements, or the address of adjacent network elements.Flow terminates.
Example 7
Figure 15 is the flow chart of the RU network element alarming notice reportings of example 7 according to the present invention, as shown in figure 15, this method bag Step S1502 is included to step S1508.
The alarm notification that step S1502, NMS order RU network elements by northbound interface reports, and purpose DU nets are included in instruction First list of identification numbers duManagedElementIdList, and RU network element ID lists ruManagedElementIdList。
Step S1504, after RU units or cell report related alarm to EMS, RU units are included in alarm object information Identification number or Cell Identity CI.
The RU unit marks number or Cell Identity CI of step S1506, EMS in alarm object information, query configuration pair The duManagedElementId and ruManagedElementId that image information, acquisition RU units or cell are belonged to, and and NMS The duManagedElementIdList and ruManagedElementIdList that north orientation subscription request issues are matched.
Step S1508, filters out the alarm notification for meeting order terms, and EMS convergences report to NMS after merging.
Example 8
Figure 16 is the flow chart that the RU network element performance measurements of example 8 according to the present invention report, as shown in figure 15, this method bag Step S1602 is included to step S1608.
The performance measurement that step S1602, NMS order RU network elements by northbound interface reports, and purpose DU nets are included in instruction First list of identification numbers duManagedElementIdList, and RU network element ID lists ruManagedElementIdList。
Step S1604, after the performance measurement data of cell is reported to EMS, includes cell ID in measurement object information Number.
The Cell Identity CI of step S1606, EMS in measurement object information, query configuration object information, obtains cell The duManagedElementId and ruManagedElementId belonged to, and issued with NMS north orientation subscription requests DuManagedElementIdList and ruManagedElementIdList are matched.
Step S1608, filters out the performance measurement data for meeting order terms, and EMS convergences report to NMS after merging.
It can be seen from the above description that the present invention realizes following technique effect：Compared with prior art, increase newly The Operation and Maintenance function of the definition of DU and RU network element resources model, RU network elements attaching relation and DU network element syntoples, solves Technology can not be supported under C-RAN frameworks at present, define and manage dynamic or half dynamic topological connection relation between DU and RU； It polymerize the topological connection relation of interconnection between DU；The problem of allocation map relation of more RRU and multiple cell, and lacked in northbound interface The problem of management interface and resource model of few C-RAN networks.Single DU networkings are applicable not only to, can be used for more DU collaborations fortune Separated group-network construction is decoupled between the framework of calculation, and following DU and RU.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.Combined in this way, the present invention is not restricted to any specific hardware and software.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (24)

  1. A kind of 1. transmission method of information, it is characterised in that including：
    What receiving network managing system NMS was sent is managed radio frequency unit RU network elements and/or digital processing element DU network elements Management instruction, wherein, the RU network elements correspond to one or more RU, the DU network elements correspondence one or more DU；And/or
    The monitoring information of the RU network elements and/or the DU network elements is reported to the NMS；
    After receiving the management being managed to the RU network elements instruction that NMS is sent, further include：According to the management instruction to RU nets Member and the attaching relation of DU network elements are handled；
    After receiving the management being managed to the DU network elements instruction that NMS is sent, further include：According to the management instruction to described Syntople between DU network elements is handled.
  2. 2. according to the method described in claim 1, it is characterized in that, the management instruction deletes instruction for RU network elements, according to institute Management instruction is stated to handle RU network elements and the attaching relation of DU network elements, including：
    The RU network elements are deleted from the attaching relation and delete the RU network elements that instruction request is deleted.
  3. 3. according to the method described in claim 2, refer to it is characterized in that, deleting the RU network elements deletion from the attaching relation The RU network elements that order request is deleted, including：
    The RU network elements of request deletion are judged whether in the attaching relation table of RU network elements and DU network elements, wherein, the ownership Record has the attaching relation of RU network elements and DU network elements in relation table；
    If so, from the attaching relation table removal request delete RU network elements information.
  4. 4. the according to the method described in claim 3, it is characterized in that, RU nets that removal request is deleted from the attaching relation table The information of member, including：
    The mark for the RU network elements that removal request is deleted from the attaching relation table, and the corresponding RU of RU network elements that request is deleted Information.
  5. 5. according to the method described in claim 1, it is characterized in that, the management instruction is the increase instruction of RU network elements, according to institute Management instruction is stated to handle RU network elements and the attaching relation of DU network elements, including：
    Increase the RU network elements increase increased RU network elements of instruction request in the attaching relation.
  6. 6. according to the method described in claim 5, refer to it is characterized in that, increasing the RU network elements increase in the attaching relation Increased RU network elements are asked in order, including：
    Judge to ask the increased RU whether in the attaching relation table of RU network elements and DU network elements, wherein, the attaching relation Record has the attaching relation of RU network elements and DU network elements in table；
    If not, the information of increased RU network elements is asked in increase in the attaching relation table.
  7. 7. according to the method described in claim 6, ask increased RU nets it is characterized in that, increasing in the attaching relation table The information of member, including：
    The mark of increased RU network elements, and the corresponding RU of the increased RU network elements of request are asked in increase in the attaching relation table Information.
  8. 8. according to the method described in claim 1, it is characterized in that, the management instruction is RU network elements more new command, according to institute Management instruction is stated to handle RU network elements and the attaching relation of DU network elements, including：
    Update the corresponding RU information of RU network elements of the RU network elements renewal instruction request renewal.
  9. 9. according to the method described in claim 4 or 7 or 8, it is characterised in that the RU information includes at least one of：RU List, the address list of RU, the mapping relations of RU and cell.
  10. 10. according to the method described in claim 1, it is characterized in that, according to the management instruction between the DU network elements Syntople is handled, including：
    When the management instruction deletes instruction for DU network elements, the DU that the DU network elements request is deleted is deleted from the syntople The information of network element；
    When the management instruction is DU network elements more new command, the information for the DU network elements that renewal is asked in the syntople is updated；
    The management is instructed when increasing instruction for DU network elements, the letter of the increased DU network elements of increase request in the syntople Breath.
  11. 11. according to the method described in claim 10, it is characterized in that, the information of the DU network elements includes：The mark of DU, DU Address.
  12. 12. according to the method for claim 11, it is characterised in that the information of the DU network elements further includes：Principal and subordinate's mark of DU Know.
  13. If 13. according to the method described in claim 10, it is characterized in that, request delete DU network elements be main DU network elements, from After the information that the DU network elements that the DU network elements request is deleted are deleted in the syntople, further include：
    One of DU network elements in C-RAN networks in addition to the DU network elements that request is deleted are chosen, as new main DU network elements.
  14. 14. according to the method described in claim 1, it is characterized in that, the information that the management instruction carries includes：To the RU The configuration information that network element and/or the DU network elements are configured.
  15. 15. the method according to any one of claim 1 to 14, it is characterised in that report institute to Network Management System NMS Before the monitoring information for stating RU network elements and/or the DU network elements, further include：
    Receive that the NMS is sent to the RU network elements and/or the monitoring information of the DU network elements reports instruction.
  16. 16. according to the method described in claim 1, it is characterized in that, the information that the monitoring information reports instruction to carry includes： The monitoring information reports the mark of the RU network elements of instruction request, and/or, the monitoring information reports the DU network elements of instruction request Mark.
  17. 17. according to the method described in claim 1, it is characterized in that, the corresponding multiple RU of the RU network elements are the continuous area of coverage Multiple RU in domain.
  18. 18. according to the method for claim 17, it is characterised in that the corresponding multiple RU of the RU network elements are the continuous area of coverage 3 RU in domain.
  19. A kind of 19. transmitting device of information, it is characterised in that including：
    Receiving module, for receiving network managing system NMS transmissions to radio frequency unit RU network elements and/or digital processing element DU The management instruction that network element is managed, wherein, the RU network elements correspond to one or more RU, and the DU network elements correspond to one or more A DU；And/or
    Reporting module, for reporting the monitoring information of the RU network elements and/or the DU network elements to the NMS；
    First processing module, after being instructed in the management being managed to RU network elements for receiving NMS transmissions, according to the pipe Reason instruction handles RU network elements and the attaching relation of DU network elements；
    Second processing module, after being instructed in the management being managed to DU network elements for receiving NMS transmissions, according to the pipe Reason instruction handles the syntople between the DU network elements.
  20. 20. device according to claim 19, it is characterised in that the first processing module, for referring in the management Make and being deleted for RU network elements when instructing, the RU network elements are deleted from the attaching relation and delete the RU network elements that instruction request is deleted.
  21. 21. device according to claim 19, it is characterised in that the first processing module, for referring in the management Making increases for RU network elements when instructing, and increases the RU network elements increase increased RU network elements of instruction request in the attaching relation.
  22. 22. device according to claim 19, it is characterised in that the first processing module, for referring in the management Make for RU network elements more new command when, update the corresponding RU information of RU network elements of RU network elements renewal instruction request renewal.
  23. 23. device according to claim 19, it is characterised in that the Second processing module includes：
    First processing units, for when the management instruction deletes instruction for DU network elements, institute to be deleted from the syntople State the information for the DU network elements that the request of DU network elements is deleted；And/or
    Second processing unit, for when the management instruction is DU network element more new commands, updating and being asked in the syntople The information of the DU network elements of renewal；And/or
    3rd processing unit, for when the management instruction instructs for the increase of DU network elements, increase please in the syntople Seek the information of increased DU network elements.
  24. 24. the device according to any one of claim 19 to 23, it is characterised in that further include：
    Receiving module, for Network Management System NMS report the monitoring information of the RU network elements and/or the DU network elements it Before, receive that the NMS is sent to the RU network elements and/or the monitoring information of the DU network elements reports instruction.
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