CN101039492B - Method for synchronizing warning of remote RF unit and baseband control unit - Google Patents
Method for synchronizing warning of remote RF unit and baseband control unit Download PDFInfo
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- CN101039492B CN101039492B CN200710074120A CN200710074120A CN101039492B CN 101039492 B CN101039492 B CN 101039492B CN 200710074120 A CN200710074120 A CN 200710074120A CN 200710074120 A CN200710074120 A CN 200710074120A CN 101039492 B CN101039492 B CN 101039492B
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Abstract
The present invention discloses an alarm synchronization method of a remote RF unit and a baseband control unit. The method includes the following steps: 1) the remote RF unit includes an alarm processing module, which reports the alarm information to the baseband control unit; 2) the baseband control unit sends an reported alarm response news to the remote RF unit after it receives the alarm information reported from the remote RF unit. The beneficial effect of the present invention is that: it solves the problems that the baseband control unit and the remote RF unit may not alarm in synchronization, and enhances the system's stability.
Description
Technical field
The present invention relates to wireless communication field, especially relate to the method that remote radio unit (RRU) and baseband control unit in the wireless communication system keep alarm synchronization.
Background technology
Along with development of wireless communication devices, a kind of new architecture has appearred in the base station system of radio communication, be that whole system is made up of baseband control unit BBU (Base Band Unit) and remote radio unit (RRU) RRU (Radio Remote Unit), and remote radio unit (RRU) and baseband control unit are separated from each other.Baseband control unit and remote radio unit (RRU) are born the Base-Band Processing part and the Radio frequency Processing Unit, RF Processing Unit of base station respectively, and independent separately the installation is placed apart, is connected by electrical interface or optical interface between them.Adopt the advantage of this framework to be: because baseband control unit and two mutual independent parts of remote radio unit (RRU) are separated, stand-alone development had not only reduced cost but also had improved the flexibility of networking, and also made things convenient for project installation.
In above-mentioned comprising in ' baseband control unit and remote radio unit (RRU) ' framework of mentioning, remote radio unit (RRU) belongs to managed object, baseband control unit belongs to management object, has an alarm management center that the alarm of whole system is managed and present to the webmaster backstage on baseband control unit.Remote radio unit (RRU) is then taken the initiative the mode that reports to the baseband control unit report and alarm.
Baseband control unit is two entities that separate with remote radio unit (RRU) under this framework, a baseband control unit can be managed a plurality of remote radio unit (RRU)s, link to each other the network of various topological structures such as that a plurality of remote radio unit (RRU)s can be formed is star-like, chain, ring-like, tree type between baseband control unit and the remote radio unit (RRU) by transmission cable.Communication link between baseband control unit and remote radio unit (RRU) disconnects, and when perhaps the communication link situation is unstable in the remote radio unit (RRU) start-up course, may cause the alarm of baseband control unit and remote radio unit (RRU) asynchronous.Because baseband control unit is generally carried out maintenance and management according to the alarm that remote radio unit (RRU) reports to the resource of carrying on the remote radio unit (RRU).If the alarm that baseband control unit and remote radio unit (RRU) report is asynchronous, baseband control unit just can't be carried out correct management and scheduling to the resource of whole system, will produce the stability of whole system operation to have a strong impact on.Simultaneously, analyzing according to the sequential of alarm report also is a kind of effective means of fault location, if it is asynchronous that alarming appears in baseband control unit and remote radio unit (RRU), then the sequential of alarm report may be incorrect, and the fault location of carrying out according to incorrect sequential can be incorrect yet.Therefore, to be reported to baseband control unit reliably, in an orderly manner be the problem that must solve in the alarm that guarantees remote radio unit (RRU).
Summary of the invention
The objective of the invention is: in order to solve the nonsynchronous problem of alarm that the remote radio unit (RRU) that exists in the prior art and baseband control unit report.
To achieve these goals, the present invention proposes the method that a kind of alarm that remote radio unit (RRU) is received is reported to baseband control unit reliably, this method adopts acknowledgement mechanism to guarantee that the alarm that remote radio unit (RRU) is received is reported to baseband control unit reliably.Particularly, warning processing module in the remote radio unit (RRU) is set up the alarm report formation of first in first out, the warning information that remote radio unit (RRU) reports the alarm source of receiving joins the tail of the queue of described alarm report formation in order successively, and this method comprises the steps:
1) remote radio unit (RRU) takes out article one warning information from the head of described alarm report formation, reports baseband control unit;
2) after baseband control unit is received the warning information that remote radio unit (RRU) reports, send the alarm report response message to remote radio unit (RRU);
3) thus remote radio unit (RRU) judges by judging that identification information in the alarm report response message is whether consistent with the warning information that reports whether the alarm report response message of receiving is the alarm report response message of the alarm information that it reported, if, described warning information is deleted from described alarm report formation, return step 1) simultaneously, continue to send next bar warning information; Otherwise warning processing module reports described warning information again.
Described remote radio unit (RRU) also comprises a timer, warning processing module detects regularly in the described alarm report formation whether the warning information that does not report is arranged, if there is the warning information that does not report, then the head from described alarm report formation takes out first warning information, and reports described warning information to give baseband control unit; If the warning information that does not report in the described alarm report formation then finishes to report.
The described remote radio unit (RRU) of step 1) reports in the warning information of baseband control unit, comprises the identify label RRUID of remote radio unit (RRU);
Step 2) described baseband control unit is returned the alarm report response message to remote radio unit (RRU) and is: after baseband control unit is received the warning information that remote radio unit (RRU) reports, send the alarm report response message according to the identify label RRUID of described remote radio unit (RRU) to described remote radio unit (RRU).
Described step 2) baseband control unit comprises and the corresponding identification information of its warning information of receiving to the alarm report response message that remote radio unit (RRU) sent in, and baseband control unit receives in order to sign is for which warning information.
After the step 3) remote radio unit (RRU) receives the alarm report response message of baseband control unit, check whether the identification information in the alarm report response message is consistent with the warning information that remote radio unit (RRU) is reported.
If the identification information in the alarm report response message is consistent with the warning information that remote radio unit (RRU) is reported, then this alarm of deletion from the alarm report formation reports the next one alarm in the formation simultaneously; If the warning information that identification information and remote radio unit (RRU) reported in the alarm report response message is inconsistent, then warning processing module reports this warning information again.
Inconsistent and the timer timing of the warning information that identification information and remote radio unit (RRU) reported in the alarm report response message then, described warning processing module is report and alarm information again.
The invention has the beneficial effects as follows: 1) the remote radio unit (RRU) alarm of receiving can in time be reported to baseband control unit reliably, thereby guarantees the alarm synchronised that baseband control unit and remote radio unit (RRU) are received.2) the remote radio unit (RRU) alarm of receiving can be orderly is reported to baseband control unit, adopt the fifo queue report and alarm, the sequencing that can guarantee to alarm when producing with it is reported to baseband control unit, thereby provides reliable alarm time sequence for equipment fault analysis.3) the remote radio unit (RRU) alarm of receiving can intactly be reported to baseband control unit, thereby guarantees the integrality of warning information.
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
Description of drawings
Fig. 1 is the schematic flow sheet of remote radio unit (RRU) of the present invention and baseband control unit alarm synchronization method.
Fig. 2 is the mutual schematic diagram of alarm information between baseband control unit and the remote radio unit (RRU) in the embodiment of the invention.
Embodiment
Referring to Fig. 1 and Fig. 2, be that example describes the present invention with WCDMA with ' baseband control unit and remote radio unit (RRU) ', the method for remote radio unit (RRU) and baseband control unit alarm synchronization comprises the steps:
When 1) remote radio unit (RRU) starts, carry out the initialization of alarm report formation;
2) after the warning processing module of remote radio unit (RRU) is received the alarm information of alarm source, it is joined the tail of the queue of alarm report formation.
3) warning processing module of remote radio unit (RRU) is taken out first alarm from the head of alarm report formation, behind the identify label RRUID of adding remote radio unit (RRU), reports baseband control unit.
4) after baseband control unit is received the alarm report message of remote radio unit (RRU), send the alarm report response message according to RRUID to the remote radio unit (RRU) of correspondence, this alarm report response message comprises and the corresponding identification information of its warning information of receiving, baseband control unit receives in order to sign is for which warning information.
5) after remote radio unit (RRU) receives the alarm report response message of baseband control unit, check whether alarm identifier information wherein is consistent with the information of first alarm of alarm report formation head.If consistent, then delete this alarm from alarm report formation head, report the next one alarm in the formation simultaneously.If the warning information that identification information and remote radio unit (RRU) reported in the alarm report response message is inconsistent and the timer timing then, warning processing module reports this warning information again.
6) whether the formation of remote radio unit (RRU) regular check alarm report has the alarm that does not report, if exist, then reports first alarm in this alarm formation.
From above performance, the technical scheme that the present invention proposes can guarantee the baseband control unit that reports that alarm that remote radio unit (RRU) is received in all cases can be reliable, orderly, thereby guarantees that the baseband control unit and the warning information of remote radio unit (RRU) keep synchronous.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.The present invention is not only applicable to the WCDMA base station system, is applicable to the wireless communication base station system of other communication systems yet, as systems such as WiMAX, TD-SCDMA, CDMA, GSM.Therefore,, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention for the general technical staff of the technical field of the invention.
Claims (7)
1. the method for remote radio unit (RRU) and baseband control unit alarm synchronization, it is characterized in that, warning processing module in the remote radio unit (RRU) is set up the alarm report formation of first in first out, the warning information that remote radio unit (RRU) reports the alarm source of receiving joins the tail of the queue of described alarm report formation in order successively, and this method comprises the steps:
1) remote radio unit (RRU) takes out article one warning information from the head of described alarm report formation, reports baseband control unit;
2) after baseband control unit is received the warning information that remote radio unit (RRU) reports, send the alarm report response message to remote radio unit (RRU);
3) thus remote radio unit (RRU) judges by judging that identification information in the alarm report response message is whether consistent with the warning information that reports whether the alarm report response message of receiving is the alarm report response message of the alarm information that it reported, if, described warning information is deleted from described alarm report formation, return step 1) simultaneously, continue to send next bar warning information; Otherwise warning processing module reports described warning information again.
2. the method for remote radio unit (RRU) according to claim 1 and baseband control unit alarm synchronization, it is characterized in that: described remote radio unit (RRU) also comprises a timer, warning processing module detects regularly in the described alarm report formation whether the warning information that does not report is arranged, if there is the warning information that does not report, then the head from described alarm report formation takes out first warning information, and reports described warning information to give baseband control unit; If the warning information that does not report in the described alarm report formation then finishes to report.
3. the method for remote radio unit (RRU) according to claim 1 and baseband control unit alarm synchronization is characterized in that:
The described remote radio unit (RRU) of step 1) reports in the warning information of baseband control unit, comprises the identify label RRUID of remote radio unit (RRU);
Step 2) described baseband control unit is returned the alarm report response message to remote radio unit (RRU) and is: after baseband control unit is received the warning information that remote radio unit (RRU) reports, send the alarm report response message according to the identify label RRUID of described remote radio unit (RRU) to the remote radio unit (RRU) of correspondence.
4. the method for remote radio unit (RRU) according to claim 3 and baseband control unit alarm synchronization is characterized in that:
Described step 2) baseband control unit comprises and the corresponding identification information of its warning information of receiving to the alarm report response message that remote radio unit (RRU) sent in, and baseband control unit receives in order to sign is for which warning information.
5. the method for remote radio unit (RRU) according to claim 4 and baseband control unit alarm synchronization is characterized in that:
After the step 3) remote radio unit (RRU) receives the alarm report response message of baseband control unit, check whether the identification information in the alarm report response message is consistent with the warning information that remote radio unit (RRU) is reported.
6. the method for remote radio unit (RRU) according to claim 5 and baseband control unit alarm synchronization, it is characterized in that: if the identification information in the alarm report response message is consistent with the warning information that remote radio unit (RRU) is reported, then this alarm of deletion from the alarm report formation reports the next one alarm in the formation simultaneously; If the warning information that identification information and remote radio unit (RRU) reported in the alarm report response message is inconsistent, then warning processing module reports this warning information again.
7. the method for remote radio unit (RRU) according to claim 6 and baseband control unit alarm synchronization, it is characterized in that: the inconsistent and timer timing of the warning information that identification information and remote radio unit (RRU) reported in the alarm report response message then, described warning processing module is report and alarm information again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710074120A CN101039492B (en) | 2007-04-20 | 2007-04-20 | Method for synchronizing warning of remote RF unit and baseband control unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710074120A CN101039492B (en) | 2007-04-20 | 2007-04-20 | Method for synchronizing warning of remote RF unit and baseband control unit |
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| CN101039492A CN101039492A (en) | 2007-09-19 |
| CN101039492B true CN101039492B (en) | 2010-05-26 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101662451B (en) * | 2008-08-26 | 2012-11-07 | 北京中京创原通信技术有限公司 | Message identifier mechanism-based command/response relevance control method |
| CN101877653A (en) * | 2010-06-29 | 2010-11-03 | 中兴通讯股份有限公司 | Method and system for judging whether alarm variable information is lost or not as well as master control board |
| CN107786288A (en) * | 2016-08-31 | 2018-03-09 | 北京信威通信技术股份有限公司 | A kind of antenna feeder fault detection method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004030241A1 (en) * | 2002-09-24 | 2004-04-08 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronizing radio units in a main-remote radio base station and in a hybrid radio base station |
| CN1677904A (en) * | 2004-03-30 | 2005-10-05 | 华为技术有限公司 | Radio-frequency zoom-out module network and method for realizing data transmission using same |
| CN1845473A (en) * | 2006-03-28 | 2006-10-11 | 华为技术有限公司 | Indoor distribution system and its netting method |
| CN1889743A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Method of radio frequency remoto module management maintenance |
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- 2007-04-20 CN CN200710074120A patent/CN101039492B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004030241A1 (en) * | 2002-09-24 | 2004-04-08 | Telefonaktiebolaget L M Ericsson (Publ) | Synchronizing radio units in a main-remote radio base station and in a hybrid radio base station |
| CN1677904A (en) * | 2004-03-30 | 2005-10-05 | 华为技术有限公司 | Radio-frequency zoom-out module network and method for realizing data transmission using same |
| CN1889743A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Method of radio frequency remoto module management maintenance |
| CN1845473A (en) * | 2006-03-28 | 2006-10-11 | 华为技术有限公司 | Indoor distribution system and its netting method |
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