CN101442756A - Method and apparatus for recognizing baseband zooming unit logic topology structure - Google Patents
Method and apparatus for recognizing baseband zooming unit logic topology structure Download PDFInfo
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Abstract
The invention discloses an identification method for baseband radio unit logical topology, relating to logical topology identification technology, is provided to solve problem that RRU logic connection structure identification is not intelligent enough for present base station. The technical scheme comprises: determining connection corresponding relation of radio unit of baseband and radio unit interface of base station; identifying logical topology of baseband radio unit according to determined connection relation. The invention simultaneously discloses a device for implementing the method. The invention can perform corresponding processing about opening station, is easily implemented and promotes efficiency for opening station according to determined logical connection structure.
Description
Technical field
The present invention relates to the baseband radio unit recognition technology, relate to the recognition methods and the device of baseband zooming unit logic topological structure or rather.
Background technology
At present, the base station has been zoomed out from initial radio frequency and has been evolved to intermediate frequency and zoom out, until the baseband extension based on optical fiber of latest generation.Fig. 1 is the composition structural representation of existing base station, and as shown in Figure 1, architecture of base station is by access control unit ACU (Access﹠amp; Control Unit), baseband processing unit BBU (BaseBandUnit), baseband interface unit B IU (Baseband Interface Unit) and RF remote unit RRU (RFRemote Unit) constitute.Wherein, ACU finishes the unit functions such as access of IUB interface and base stations control, the BBU unit carries out the processing of baseband signal, the BIU unit will be assembled the formation high-speed digital signal from the low speed digital signal intersection of a plurality of BBU unit at down direction and be delivered to RRU by optical fiber, to be distributed on the integrated circuit board of a plurality of BBU unit by the high-speed digital signal demultiplexing of optical fiber from a plurality of RRU unit on the up direction, the last down-conversion of digital signal is mainly finished in the RRU unit and the transmitting-receiving of RF signal is handled.A plurality of BBU unit combination constitute baseband pool in the base station, can realize the N+1 backup of Base Band Unit, and base band data is assembled the back through the BIU integrated circuit board and is delivered to a plurality of RRU by optical fiber.The major advantage of this architecture design base station is, main frame can be distributed in different geographical position with the RRU unit, be that the RRU unit can be by fiber optic stretch away from bastion host, become distributed arrangement, effectively solved the problem of base station site deficiency, the particularly present 3G communication system in construction is still considered the networking cost, and the base station site in early stage may be less.For example at a county town, can only arrange in the central place to cover whole county town by the mode that zooms out with RRU by a machine room that operator only need lease a website and get final product, this provides cost savings undoubtedly widely.
There are a plurality of light mouths the BIU unit, can support the logic topological network that multiple RRU connects simultaneously, connect logical topology structure, ring-like connection logical topology structure etc. as star-like connection logical topology structure, chain, the connection diagram of star-like connection, chain connection and ring-like connection is respectively as Fig. 2, Fig. 3, shown in Figure 4.
When the station was opened in the base station, which kind of connected mode a plurality of RRU adopted in the unit, according to real network planning and field demand decision.It is at BBU side configuration file or at RRU side dial-up/wire jumper by static configuration that RRU unit, existing base station connects the logical topology structure) mode discern.Like this, the connection of the different RRUs of different base station topology need be prepared different configuration files or wire jumper at the scene, opens station process relative complex, occurs artificial configuration error situation easily, and reliability is relatively low.Owing to be manual operation, split station personnel's specialized capability and have relatively high expectations, prolonged the time of opening the station.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of recognition methods and device of baseband zooming unit logic topological structure, to realize the automatic identification to the baseband zooming unit logic topological structure, has promoted identification accuracy and recognition efficiency.
A kind of recognition methods of baseband zooming unit logic topological structure comprises:
Determine baseband radio unit and base station the baseband radio unit interface be connected corresponding relation; And
Logic topological structure according to determined annexation identification baseband radio unit.
Wherein, the baseband radio unit interface of described definite baseband radio unit and base station be connected corresponding relation, comprising:
Each baseband radio unit interface is stored the baseband radio unit identification information according to received data packet, has the connection corresponding relation between baseband radio unit corresponding with identification information and the described baseband radio unit interface.
Wherein, described logic topological structure according to determined annexation identification baseband radio unit comprises:
A, judge whether the baseband radio unit interface only is connected with a baseband radio unit, determine when being that baseband radio unit is star-like logic topological structure;
B, judge whether baseband radio unit only is connected in a baseband radio unit interface, determine when being that the baseband radio unit on the described interface is a chain logic topological structure, otherwise determine that the baseband radio unit on the described interface is ring-like logic topological structure.
Wherein, described packet is the delay testing result response or the initial access request of baseband radio unit.
A kind of recognition device of baseband zooming unit logic topological structure comprises:
Baseband radio unit annexation determining unit, be used for determining baseband radio unit and base station the baseband radio unit interface be connected corresponding relation; And
Logic topological structure recognition unit is used for the logic topological structure according to the determined annexation identification of described baseband radio unit annexation determining unit baseband radio unit.
Wherein, described baseband radio unit annexation determining unit comprises:
Baseband radio unit identification information storage module is used for storing the baseband radio unit identification information according to each baseband radio unit interface received data packet; And
Baseband radio unit annexation determination module is used for determining to have the connection corresponding relation between baseband radio unit corresponding with identification information and the described baseband radio unit interface.
Wherein, described logic topological structure recognition unit comprises:
Interface connects baseband radio unit number judge module, is used to judge whether the baseband radio unit interface only is connected with a baseband radio unit, determines when being that baseband radio unit is star-like logic topological structure; Start interface linking number judging unit in the time of not;
Interface linking number judging unit, be used to judge whether baseband radio unit only is connected in a baseband radio unit interface, determine when being that the baseband radio unit on the described interface is a chain logic topological structure, otherwise determine that the baseband radio unit on the described interface is ring-like logic topological structure.
Wherein, described packet is the delay testing result response or the initial access request of baseband radio unit.
Among the present invention, the baseband radio unit interface is stored the identification information of baseband radio unit according to the source address of packet when its received data packet is unpacked, can determine the baseband radio unit that is connected with described interface logic according to these identification informations, identify logical topology structure between the baseband radio unit according to these annexations again.Like this, just can open the relevant treatment at station according to determined logical connection structure.The present invention realizes simply having promoted the efficient of opening the station.
Description of drawings
Fig. 1 is the composition structural representation of existing base station;
Fig. 2 is the star-like syndeton schematic diagram of RF remote unit in the base station;
Fig. 3 is a RF remote unit chain syndeton schematic diagram in the base station;
Fig. 4 is the ring-like syndeton schematic diagram of RF remote unit in the base station;
Fig. 5 is the flow chart of the recognition methods of baseband zooming unit logic topological structure of the present invention;
Fig. 6 is the composition structural representation of the recognition device of baseband zooming unit logic topological structure of the present invention;
Fig. 7 is the composition structural representation of baseband radio unit annexation determining unit of the present invention;
Fig. 8 is the composition structural representation of logic topological structure recognition unit of the present invention.
Embodiment
Core concept of the present invention is: there are multiple annexation in the RF remote unit RRU and the base station of base station at present, if only with manually the syndeton of these RRU unit being discerned, human factor is too big, and accuracy rate can not guarantee that this station of opening that will influence the base station is handled.When the present invention initially inserts baseband interface unit B IU in the RRU unit, delay testing result response or initial access of utilizing the RRU unit to send to the BIU unit are asked, resolve the RRU unit marks information that is linked into the BIU unit according to above-mentioned packet, determine the logical topology structure of RRU unit according to the annexation of RRU unit and BIU unit.The present invention can open the relevant treatment at station according to determined logical connection structure, realizes simply, and what promoted the base station opens station efficient.Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.
Fig. 5 is the flow chart of the recognition methods of baseband zooming unit logic topological structure of the present invention, and as shown in Figure 5, the recognition methods of baseband zooming unit logic topological structure of the present invention may further comprise the steps:
Step 501: determine baseband radio unit and base station the baseband radio unit interface be connected corresponding relation.
Among the present invention, baseband radio unit is meant RF remote unit RRU; The baseband radio unit interface is the RRU connecting interface on the baseband interface unit B IU.
The prerequisite of RRU unit operate as normal is to know the distance own and base station, promptly needs to initiate optical-fiber time-delay and measures to obtain the actual fiber lengths that is connected between RRU and the BIU.After RRU powered on, after beginning latency measurement, each RRU were finished the optical-fiber time-delay measurement, all the time delay that oneself is recorded reported BIU.By the time delay result that RRU reports, can determine whether have annexation between the RRU connecting interface on RRU and the BIU.The present invention at first is provided with identification information with unique definite RRU for RRU, for example for each RRU distributes a MAC Address, as long as identification information can identify RRU.Like this, after RRU finishes optical-fiber time-delay and measures after BIU returns test result, the identification information of BIU storage RRU when these test results are resolved, utilize the mapping table of identification information and RRU can determine and each RRU connecting interface between whether have annexation.As required, the RRU identification information is the stored of section sometime after RRU powers on only, and when detecting that RRU increases or reducing updated stored information, with the accuracy of the annexation that guarantees to be provided.
After RRU finishes optical-fiber time-delay and measures, also need to initiate the initial access request in maintenance centre to BIU, BIU also can utilize this initially to insert request and determine whether have annexation between the RRU connecting interface on RRU and the BIU by aforementioned manner.To finish the affirmation that station RRU logic topological structure is before opened in the base station.
Step 502: according to the logic topological structure of determined annexation identification baseband radio unit in the step 501.After the annexation of having determined between RRU and the RRU connecting interface, can realize affirmation to RRU logic topological structure.
If only be connected with a RRU on certain RRU connecting interface, can determine that then this RRU is a member in the star-like logic topological structure on the BIU of this RRU correspondence, this BIU goes up on other RRU connecting interfaces only one RRU, be a member in the star-like logic topological structure, they constitute star-like logic topological structure jointly.
For the situation that has more than one RRU to connect on the RRU connecting interface, mainly contain ring-like logic topological structure and chain logic topological structure, judge these RRU that are connected on the RRU connecting interface, whether also be connected with other RRU connecting interfaces, can determine then that if not the RRU on this RRU connecting interface is chain logic topological structure (comprising the tree type), otherwise determine that the RRU on this RRU connecting interface is ring-like logic topological structure.
The present invention is by being provided with identification information and can determining the logic topological structure of RRU in the annexation between statistics RRU and the RRU connecting interface on the BIU for RRU, realize that required algorithm is simple, do not have human factor, recognition accuracy is very high, and handle at the station of opening that is very beneficial for the base station.The present invention is particularly useful for opening in the processing of station of NodeB.
Fig. 6 is the composition structural representation of the recognition device of baseband zooming unit logic topological structure of the present invention, as shown in Figure 6, the recognition device of baseband zooming unit logic topological structure of the present invention comprises baseband radio unit annexation determining unit 60 and logic topological structure recognition unit 61, wherein, baseband radio unit annexation determining unit 60 be used for determining baseband radio unit and base station the baseband radio unit interface be connected corresponding relation.Among the present invention, baseband radio unit is meant RRU; The baseband radio unit interface is the RRU connecting interface on the BIU.Logic topological structure recognition unit 61 is used for the logic topological structure according to baseband radio unit annexation determining unit 60 determined annexation identification baseband radio unit.
Fig. 7 is the composition structural representation of baseband radio unit annexation determining unit of the present invention, as shown in Figure 7, baseband radio unit annexation determining unit 60 of the present invention comprises baseband radio unit identification information storage module 701 and baseband radio unit annexation determination module 702, wherein, baseband radio unit identification information storage module 701 is used for storing the baseband radio unit identification information according to each baseband radio unit interface received data packet.Here, packet is meant the delay testing result response of RRU or initially inserts request, opens the annexation between the RRU and RRU connecting interface before the station to determine the base station.The annexation here is meant whether RRU has data interaction with certain BIU interface.Baseband radio unit annexation determination module 702 is used for determining to have the connection corresponding relation between baseband radio unit corresponding with identification information and the described baseband radio unit interface.
The recognition device of baseband zooming unit logic topological structure of the present invention has identical thinking with aforesaid recognition methods, and baseband radio unit annexation determining unit 60 correlation functions can be referring to the associated description of abovementioned steps 501.
Fig. 8 is the composition structural representation of logic topological structure recognition unit of the present invention, as shown in Figure 8, logic topological structure recognition unit 61 of the present invention comprises that interface connects baseband radio unit number judge module 801 and interface linking number judging unit 802, wherein, interface connects baseband radio unit number judge module 801 and is used to judge whether the baseband radio unit interface only is connected with a baseband radio unit, determines when being that baseband radio unit is star-like logic topological structure; Start interface linking number judging unit 802 in the time of not.Interface linking number judging unit 802 is used to judge whether baseband radio unit only is connected in a baseband radio unit interface, determine when being that the baseband radio unit on the described interface is a chain logic topological structure, otherwise determine that the baseband radio unit on the described interface is ring-like logic topological structure.
The recognition device of baseband zooming unit logic topological structure of the present invention has identical thinking with aforesaid recognition methods, and logic topological structure recognition unit 61 correlation functions can be referring to the associated description of abovementioned steps 502.
It will be appreciated by those skilled in the art that each unit in the recognition device of baseband zooming unit logic topological structure of the present invention and the function of module can realize by corresponding program, also can realize by relevant circuit.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (8)
1, a kind of recognition methods of baseband zooming unit logic topological structure is characterized in that, this method comprises:
Determine baseband radio unit and base station the baseband radio unit interface be connected corresponding relation; And
Logic topological structure according to determined annexation identification baseband radio unit.
2, method according to claim 1 is characterized in that, the baseband radio unit interface of described definite baseband radio unit and base station be connected corresponding relation, comprising:
Each baseband radio unit interface is stored the baseband radio unit identification information according to received data packet, has the connection corresponding relation between baseband radio unit corresponding with identification information and the described baseband radio unit interface.
3, method according to claim 1 and 2 is characterized in that, described logic topological structure according to determined annexation identification baseband radio unit comprises:
A, judge whether the baseband radio unit interface only is connected with a baseband radio unit, determine when being that baseband radio unit is star-like logic topological structure;
B, judge whether baseband radio unit only is connected in a baseband radio unit interface, determine when being that the baseband radio unit on the described interface is a chain logic topological structure, otherwise determine that the baseband radio unit on the described interface is ring-like logic topological structure.
4, method according to claim 2 is characterized in that, described packet is that the delay testing result response or initial access of baseband radio unit asked.
5, a kind of recognition device of baseband zooming unit logic topological structure is characterized in that, this device comprises:
Baseband radio unit annexation determining unit, be used for determining baseband radio unit and base station the baseband radio unit interface be connected corresponding relation; And
Logic topological structure recognition unit is used for the logic topological structure according to the determined annexation identification of described baseband radio unit annexation determining unit baseband radio unit.
6, device according to claim 5 is characterized in that, described baseband radio unit annexation determining unit comprises:
Baseband radio unit identification information storage module is used for storing the baseband radio unit identification information according to each baseband radio unit interface received data packet; And
Baseband radio unit annexation determination module is used for determining to have the connection corresponding relation between baseband radio unit corresponding with identification information and the described baseband radio unit interface.
According to claim 5 or 6 described devices, it is characterized in that 7, described logic topological structure recognition unit comprises:
Interface connects baseband radio unit number judge module, is used to judge whether the baseband radio unit interface only is connected with a baseband radio unit, determines when being that baseband radio unit is star-like logic topological structure; Start interface linking number judging unit in the time of not;
Interface linking number judging unit, be used to judge whether baseband radio unit only is connected in a baseband radio unit interface, determine when being that the baseband radio unit on the described interface is a chain logic topological structure, otherwise determine that the baseband radio unit on the described interface is ring-like logic topological structure.
8, device according to claim 6 is characterized in that, described packet is that the delay testing result response or initial access of baseband radio unit asked.
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| CN102238594A (en) * | 2010-05-07 | 2011-11-09 | 中兴通讯股份有限公司 | Method and device for managing distributed base station |
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| CN101951624A (en) * | 2010-09-25 | 2011-01-19 | 中兴通讯股份有限公司 | Remote radio unit and abnormality detection method thereof |
| CN102511180A (en) * | 2011-11-29 | 2012-06-20 | 华为技术有限公司 | Topology information processing method for antenna feeder device, antenna feeder device and system |
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| CN102547778B (en) * | 2012-01-06 | 2014-12-10 | 京信通信系统（中国）有限公司 | Wireless communication system of flat network architecture, method and expansion unit |
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