CN101860802A - Failure processing method and system - Google Patents
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- CN101860802A CN101860802A CN201010190258A CN201010190258A CN101860802A CN 101860802 A CN101860802 A CN 101860802A CN 201010190258 A CN201010190258 A CN 201010190258A CN 201010190258 A CN201010190258 A CN 201010190258A CN 101860802 A CN101860802 A CN 101860802A
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Abstract
The invention discloses failure processing method and system. The method comprises the following steps of: detecting the abnormal communication between a remote radio unit (RRU) and a building baseband unit (BBU) by using the RRU; broadcasting information concerning the abnormal communication through an antenna by using the RRU; receiving the information by using other RRUs in the RRU controlled by the BBU; and forwarding the information to the BBU by using other RRUs. The invention enhances the processing capacity of the system for abnormal conditions.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of fault handling method and system.
Background technology
In wireless communication system, the situation that often has the equipment cascading networking, for example, in the distributed base station design of current trend, as shown in Figure 1, an indoor baseband processing unit (Building Baseband Unit abbreviates BBU as) is furnished with many Remote Radio Unit (Remote Radio Unit, abbreviate RRU as), carry out cascade by physical mediums such as optical fiber, cables between these RRU.
Because the structure of this cascade, when abnormal conditions (for example open circuit, short circuit, transmitting-receiving not paired) appear in some RRU, can make a plurality of RRU on the whole circuit and the communication abnormality between the BBU, thereby influence the operate as normal of a series of RRU, at this moment, these RRU can't communicate with BBU.
Summary of the invention
Main purpose of the present invention is to provide a kind of fault handling method and system, to address the above problem at least.
According to an aspect of the present invention, provide a kind of fault handling method, having comprised: radio frequency remote unit RRU detects the communication abnormality between self and the indoor baseband processing unit BBU; RRU is by the information of antenna broadcast about communication abnormality; Other RRU among the RRU that BBU had jurisdiction over receive information; Other RRU are transmitted to BBU with information.
Further, after other RRU were transmitted to BBU with information, also comprise: BBU reported base station controller BSC with information; BSC carries out corresponding to this information processing.
Further, be warning information about the information of communication abnormality, BSC carries out comprising corresponding to information processing: BSC is to backstage display alarm information.
Further, be the urgency communication request for building link about the information of communication abnormality, BSC carries out comprising corresponding to information processing: BSC indication BBU is that RRU sets up the urgency communication link.
Further,, also comprise after RRU sets up the urgency communication link at BSC indication BBU: BBU sends the configuration data that is used to set up the urgency communication link to other RRU except that the RRU that detects communication abnormality that BBU had jurisdiction over; Other RRU that receive configuration data transmit configuration data to RRU by antenna; RRU is according to configuration data configuration urgency communication link; RRU carries out urgency communication by the urgency communication link.
According to another aspect of the present invention, provide a kind of fault processing system, having comprised: a plurality of RRU and BBU, a plurality of RRU are cascaded to this BBU, wherein, each RRU among a plurality of RRU comprises: detection module is used to detect the RRU at place and the communication abnormality between the BBU; Antenna is used to broadcast the information about communication abnormality; First receiver module is used to receive the information about communication abnormality; Forwarding module, the information that is used for receiving is transmitted to BBU; BBU comprises: second receiver module is used to receive the information that forwarding module is transmitted.
Further, BBU also comprises: reporting module is used to the information that reports second receiver module to receive; This system also comprises BSC, and BSC comprises: the 3rd receiver module is used to receive the information that the reporting module of BBU reports; Processing module is used to carry out the information processing that receives corresponding to the 3rd receiver module.
Further, the information about communication abnormality that first receiver module receives is warning information, and the processing module of BSC is used for to backstage display alarm information.
Further, the information about communication abnormality that first receiver module receives is the urgency communication request for building link, and it is that the RRU that broadcasts the information of first receiver module reception sets up the urgency communication link that the processing module of BSC is used to indicate BBU.
Further, BBU also comprises: sending module, and other RRU that are used for to the RRU of the information that a plurality of RRU receive except that broadcasting first receiver module send the configuration data that is used to set up the urgency communication link; Each RRU also comprises the configuration receiver module, is used to receive configuration data; Antenna also is used for transmitting configuration data to the RRU of the information of broadcasting first receiver module reception; Each RRU also comprises configuration module, is used for according to configuration data configuration urgency communication link; Communication module is used for carrying out urgency communication by the urgency communication link.
By the present invention, after adopting RRU to find that communication abnormality appears in self and BBU, by antenna broadcast about this unusual information, after other RRU receive this information, this information is transmitted to BBU, solved RRU in the correlation technique because the problem that communication abnormality can't carry out proper communication with BBU makes RRU still can send information to BBU after unusual, improved the disposal ability of system abnormal conditions.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the distributed base station networking of correlation technique;
Fig. 2 is the flow chart according to the fault handling method of the embodiment of the invention;
Fig. 3 is the structured flowchart according to the fault processing system of the embodiment of the invention;
Fig. 4 is the preferred structure block diagram one according to the fault processing system of the embodiment of the invention;
Fig. 5 is the preferred structure block diagram two according to the fault processing system of the embodiment of the invention;
Fig. 6 is the flow chart according to the alarming information report process of the embodiment of the invention 1;
Fig. 7 is the process chart that terminal use's needs placement of emergency calls is arranged in the zone that RRU administered according to the embodiment of the invention 2.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
A BBU is furnished with many RRU, carries out cascade by physical mediums such as optical fiber, cables between these RRU.
Fig. 2 is according to the flow chart of the fault handling method of the embodiment of the invention, comprising:
Step S202, RRU detect the communication abnormality between self and the BBU;
Step S204, RRU is by the information of antenna broadcast about this communication abnormality;
Step S206, other RRU among the RRU that BBU had jurisdiction over receive this information;
Step S208, other above-mentioned RRU are transmitted to above-mentioned BBU with this information.
In the correlation technique, connect, exist under the situation of communication abnormality, can cause some other RRU communication abnormality also to occur, can't communicate with BBU at a RRU because the connected mode between BBU and a plurality of RRU is a tandem type.In the method that the embodiment of the invention provides, when between RRU detects self and BBU, having communication abnormality, by antenna broadcast about this unusual information, after the RRU of other operate as normal receives this information, be transmitted to BBU, can reach to the circuit of BBU thereby unusual RRU make to occur, RRU still can send information to BBU after unusually, improved the disposal ability of system to abnormal conditions.
Preferably, after step S208, can also comprise: above-mentioned BBU reports base station controller (Base Station Controller abbreviates BSC as) with this information; This BSC carries out corresponding to this information processing.By this process, can at unusual RRU on the basis that BBU transmission information can reach, will be notified to BSC about unusual information, so that BSC is further processed unusually to this, improved the diversity of abnormality processing means, thereby further improved the disposal ability of system abnormal conditions.
Preferably, above-mentioned information about communication abnormality is warning information, and this BSC carries out comprising corresponding to this information processing: this BSC is to backstage display alarm information.
In the correlation technique, alarm for equipment cascading in the wireless communication system, bottom chain circuit alarming particularly, the method that common sampling set Chinese style reports, the equipment of i.e. all cascades all by optical fiber step by step the bottom chain alarming information is reported to near-end, handled by unified the concentrating of proximal device, when the one-level link occurs opening circuit or be unstable, the information of all grades of back can not reliably report.The method that provides by the embodiment of the invention, cascaded RRUs is with the BBU communication disruption time, can be by setting up wireless communication link with other operate as normal RRU, RRU by operate as normal sends BSC to alarm data, the method that allows BSC come these warning information are focused on is reported to the backstage to the working condition of RRU at different levels, make location and the handling failure that the attendant can be the fastest, improved the disaster tolerance performance of system.
Preferably, above-mentioned information about communication abnormality is the urgency communication request for building link, and this BSC carries out comprising corresponding to above-mentioned information processing: the RRU that this BSC indicates above-mentioned BBU to detect communication abnormality more than being sets up the urgency communication link.By this process, occur at RRU under the situation of communication abnormality, can keep the operate as normal (for example, reporting to the police etc.) of urgency communication, thereby guarantee the basic communication functions of this RRU.
Preferably, indicating this BBU at above-mentioned BSC is that also comprise: BBU sent the configuration data that is used to set up the urgency communication link to other RRU except that the RRU that detects communication abnormality that this BBU had jurisdiction over after the RRU that detects communication abnormality set up the urgency communication link; Other RRU that receive configuration data transmit configuration data to the RRU that detects communication abnormality by antenna; The RRU that detects communication abnormality carries out urgency communication by the urgency communication link afterwards according to configuration data configuration urgency communication link.By this process, even occur at RRU under the situation of communication abnormality, still can carry out urgent call, guarantee basic communication function.
Fig. 3 is the structured flowchart according to the fault processing system of the embodiment of the invention, comprise: a plurality of RRU 31 and BBU 32, a plurality of RRU 31 are cascaded to BBU 32, wherein, each RRU 31 among a plurality of RRU 31 comprises: detection module 33 is used to detect the RRU 31 at place and the communication abnormality between the BBU 32; Antenna 34 is coupled to detection module 33, is used to broadcast the information about this communication abnormality; First receiver module 35 is used for by the information (may for the antenna 34 of other RRUs 31 send) of antenna 34 receptions about communication abnormality; Forwarding module 36, the information that is used for receiving is transmitted to BBU 32; BBU 32 comprises: second receiver module 37 is used to receive the information that forwarding module 36 is transmitted.
In the correlation technique, exist under the situation of communication abnormality, can cause some other RRU 31 communication abnormality also to occur, can't communicate with BBU 32 at a RRU 31.In the system that the embodiment of the invention provides, when between the detection module 33 of RRU 31 detects self and BBU 32, having communication abnormality, broadcast about this unusual information by antenna 34, after first receiver module 35 of the RRU 31 of other operate as normal is received this information, be transmitted to BBU 32 by forwarding module 36, thereby make the circuit that unusual RRU 31 to BBU 32 occurs to reach, RRU 31 still can improve the disposal ability of system to abnormal conditions to BBU 32 transmission information after unusual.
Fig. 4 is the preferred structure block diagram one according to the fault processing system of the embodiment of the invention, and as shown in Figure 4, preferably, BBU 32 also comprises: reporting module 42 is used to the information that reports second receiver module 37 to receive; This system also comprises BSC 44, and BSC 44 comprises: the 3rd receiver module 46 is used to receive the information that the reporting module 42 of BBU 32 reports; Processing module 48 is used to carry out the information processing that receives corresponding to the 3rd receiver module 46.
Processing by reporting module 42, can be on the basis that BBU 32 transmission information can reach at unusual RRU 31, to be notified to BSC 44 about unusual information, so that this is further processed 48 pairs of the processing modules of BSC 44 unusually, improved the diversity of abnormality processing means, thereby further improved the disposal ability of system abnormal conditions.
Preferably, the information about communication abnormality that first receiver module 35 receives is warning information, and the processing module 48 of BSC 44 is used for to backstage display alarm information.Make BBU 32 and BSC 44 know warning information, fault is handled, improved the disaster tolerance performance of system.
Preferably, the information about communication abnormality that first receiver module 35 receives is the urgency communication request for building link, and the processing module 48 of BSC 44 is used to indicate BBU 32 to set up the urgency communication link for the RRU 31 of the information of broadcasting first receiver module 35 receptions.Occur at RRU 31 under the situation of communication abnormality by processing module 48, indication BBU 32 sets up the urgency communication link for this RRU 31, thereby guarantees the basic communication functions of this RRU 31.
Fig. 5 is the preferred structure block diagram two according to the fault processing system of the embodiment of the invention, preferably, BBU 32 also comprises: sending module 52, and other RRU 31 that are used for to the RRU 31 of the information that a plurality of RRU 31 receive except that broadcasting first receiver module 35 send the configuration data that is used to set up the urgency communication link; Each RRU 31 also comprises configuration receiver module 54, is used to receive configuration data; Antenna 34 also is used for transmitting configuration datas to the RRU 31 of the information of broadcasting first receiver module 35 receptions; Each RRU 31 also comprises configuration module 56, is used for according to configuration data configuration urgency communication link; Communication module 58 is used for carrying out urgency communication by the urgency communication link.
Embodiment 1 described below and 2 combines the technical scheme of above-mentioned a plurality of preferred embodiments.
Embodiment 1
Fig. 6 is that concrete step is as follows according to the flow chart of the alarming information report process of the embodiment of the invention 1:
Step 1, the control module of RRU detect to have lost with BBU and get in touch, and enter the critical activity pattern automatically;
Step 2, enter after the critical activity pattern, detect once more after waiting for a period of time and whether recover with linking of BBU, if recover, then reenter normal mode of operation, if still do not reply, just alarm signal is formed specific frame by specific coded system, again these data strips are instructed on the corresponding channel and go out by antenna broadcast later.After broadcasting, continue to wait for a period of time, detect once more, if link does not still recover, then broadcasting once more, this process constantly repeats.
Step 3 after near the RRU working properly this RRU receives the signal of this specific coding, sends BBU to, is reported among the BSC then and handles, and the warning information of corresponding RRU just can be observed in the backstage.After receiving these warning information, the attendant is by these warning information, just can determine substantially that in conjunction with the information that optical fiber link reports up problem has appearred in which RRU, and the reason that problem occurs (for example, the RRU power down, light or optical module go wrong), provide the foundation of data for locating and solve fault fast.
Embodiment 2
Accompanying drawing 7 is the process charts that terminal use's needs placement of emergency calls is arranged in the zone that RRU administered according to the embodiment of the invention 2, may further comprise the steps:
Step 1 after having entered RRU (A) under the critical activity pattern and having received cellphone subscriber's placement of emergency calls (as 110,119,120 etc.), is broadcasted away the request of setting up the urgency communication link with broadcast mode.
Step 2, near the RRU (B) of operate as normal can be reported to BSC after receiving broadcast request, processing through BSC, judge whether authority and idle resource are arranged, if just do not carry out subsequent treatment, if have then distribute concrete BBU to be responsible for setting up link, RRU (C) by the BBU appointment or RRU (B) send and set up desired all configuration datas of wireless communication link to RRU (A).
Step 3, RRU (A) receives after all data, is configured according to these data, just can set up flow process according to the conversation under the normal running conditions then and carry out.Just be equivalent to RRU at this moment a powerful mobile phone signal transponder, mobile phone signal be modulated to then through special coding on the frequency of the private communication passage that BSC distributes and carry out urgency communication.
In sum, the scheme that provides by the embodiment of the invention, no matter what grade cascades, no matter problem has appearred in what RRU in whole cascaded link, can both locate rapidly; Simultaneously, avoided the problem that needs a large amount of manpowers to investigate step by step, more reliably and more save time and manpower than the mode that reports by optical fiber link merely in the past, and this method do not need to increase extra hardware, and all implementations can be by the realization of more newly arriving of software.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fault handling method is characterized in that, comprising:
Radio frequency remote unit RRU detects the communication abnormality between self and the indoor baseband processing unit BBU;
Described RRU is by the information of antenna broadcast about described communication abnormality;
Other RRU among the RRU that described BBU had jurisdiction over receive described information;
Described other RRU are transmitted to described BBU with described information.
2. method according to claim 1 is characterized in that, after described other RRU are transmitted to described BBU with described information, also comprises:
Described BBU reports base station controller BSC with described information;
Described BSC carries out corresponding to described information processing.
3. method according to claim 2 is characterized in that, described information about described communication abnormality is warning information, and described BSC carries out comprising corresponding to described information processing:
Described BSC shows described warning information to the backstage.
4. method according to claim 2 is characterized in that, described information about described communication abnormality is the urgency communication request for building link, and described BSC carries out comprising corresponding to described information processing:
It is that described RRU sets up the urgency communication link that described BSC indicates described BBU.
5. method according to claim 4 is characterized in that, indicates described BBU after described RRU sets up the urgency communication link, also to comprise at described BSC:
Described BBU sends the configuration data that is used to set up described urgency communication link to other RRU that described BBU had jurisdiction over except that the described RRU that detects communication abnormality;
Other RRU that receive described configuration data transmit described configuration data to described RRU by antenna;
Described RRU disposes described urgency communication link according to described configuration data;
Described RRU carries out urgency communication by described urgency communication link.
6. fault processing system comprises: a plurality of RRU and BBU, and described a plurality of RRU are cascaded to described BBU, it is characterized in that,
Each RRU among described a plurality of RRU comprises:
Detection module is used to detect the RRU at place and the communication abnormality between the described BBU;
Antenna is used to broadcast the information about described communication abnormality;
First receiver module is used to receive the information about communication abnormality;
Forwarding module is used for the information of described reception is transmitted to described BBU;
Described BBU comprises:
Second receiver module is used to receive the information that described forwarding module is transmitted.
7. system according to claim 6 is characterized in that,
Described BBU also comprises:
Reporting module is used to the information that reports described second receiver module to receive;
Described system also comprises BSC, and described BSC comprises:
The 3rd receiver module is used to receive the described information that the reporting module of described BBU reports;
Processing module is used to carry out the information processing that receives corresponding to described the 3rd receiver module.
8. system according to claim 7 is characterized in that, the information about communication abnormality that described first receiver module receives is warning information, and the described processing module of described BSC is used for showing described warning information to the backstage.
9. system according to claim 7, it is characterized in that, the information about communication abnormality that described first receiver module receives is the urgency communication request for building link, and the described processing module of described BSC is used to indicate described BBU to set up the urgency communication link for the RRU of the information of broadcasting first receiver module reception.
10. system according to claim 9 is characterized in that,
Described BBU also comprises:
Sending module, other RRU that are used for to the RRU of the information that described a plurality of RRU receive except that broadcasting first receiver module send the configuration data that is used to set up described urgency communication link;
Described each RRU also comprises the configuration receiver module, is used to receive described configuration data;
Described antenna also is used for transmitting described configuration data to the RRU of the information of described broadcasting first receiver module reception;
Described each RRU also comprises configuration module, is used for disposing described urgency communication link according to described configuration data;
Communication module is used for carrying out urgency communication by described urgency communication link.
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