CN102131220A - Method for identifying and processing adjacent cell configuration errors - Google Patents
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Abstract
The invention discloses a method for identifying and processing adjacent cell configuration errors, comprising the following steps of: identifying the current adjacent cell configuration error according to a failure reason for a repositioning process from a 3G system to a 2G system; when the adjacent cell configuration error happens, reporting the adjacent cell with the configuration error to a 3G network management center; when the adjacent cell configuration error can not be directly determined according to the failure reason, judging the adjacent cell configuration error according to the failure times in the repositioning process within certain time; and punishing a target cell with the failed repositioning process before whether the adjacent cell configuration error happens or not is accurately judged so as to prevent the repositioning process from a source cell to a target cell from being triggered again within the period or reduce the possibility of trigging the repositioning process, thereby reducing influence on the network performance because the repositioning process may fail again. According to the method, the interoperability performance of 3G and 2G networks can be improved.
Description
Technical field
The present invention relates to different interoperability of system technology in the mobile communication system, particularly relate to the identification and the processing method of neighbor cell configuration mistake in a kind of different system.
Background technology
Along with 3G (Third Generation) Moblie (The Third Generation, 3G) the development of system, 3G system (as the TD-SCDMA system) and the second generation mobile communication (The SecondGeneration, 2G) system's (as gsm system) coexistence on a large scale for a long time that have existed.At present, when 3G network (or 2G network) provides for subscriber equipment (UE) to serve preferably, can utilize 2G network (or 3G network) to provide continuous service by being transferred in the 2G network (or 3G network) for UE.Especially, owing to the sub-district of present 2G network with respect to 3G network covers more comprehensively, the situation that 3G network switches to the 2G network is more general.As seen, under the network coexisted situation of current 3G network and 2G, the interoperability problem between 3G network and the 2G network is the key factor that influences user's impression.Particularly, paging loss late that interoperability caused between the different system cell gravity treatment of handover success rate, handover delay, dual-mode handset frequency, sub-district gravity treatment time delay and 3G and the 2G between 3G network and the 2G network etc. all will directly influence the performance of network.
In order to realize 3G network and 2G network interoperability, 3G network and 2G network need to dispose mutually the adjacent area in the bipartite network, and promptly 3G network need be preserved the neighboring BS information of 2G network, and the 2G network need be preserved the neighboring BS information of 3G network.
For the GSM network that belongs to the 2G system, its information spinner that is used for identifying cells will comprise following content:
Cell ID (CELL ID): be used in GSM sub-district of public land mobile network (PLMN) unique identification;
Band of position identification code sign (LAC ID): the Location Area Identification number that is used for the indicating cell ownership;
Network Color Code (NCC): be used for the different network in unique identification adjoining area;
BCC (BCC): be used for the adjacent GSM base station that unique identification adopts same carrier;
The frequency point number (BCCHARFCN) of Cell Broadcast CB control channel (BCCH) carrier frequency: the frequency that is used to indicate this GSM sub-district.
In order to support bigger network capacity and the enough good Key Performance Indicator (KPI) of maintenance, the 2G network needs for a long time network to be safeguarded and optimized, and this will cause the 2G cell identification information to change.For example, GSM network capacity extension meeting causes sub-district cutover operation, correspondingly, can cause LAC ID to change thereupon; In addition, the GSM network capacity extension and the daily network optimization also can cause cell frequency planning to be adjusted, and the combination meeting of NCC+BCC+BCCHARFCN changes thereupon.For example, according to statistics to a certain line city, Guangdong Province GSM network cell change conditions, variation has taken place in LAC in the sub-district in 1.5 middle of the month 1%, variation has taken place in the combination of 4.3% sub-district NCC+BCC+BCCHARFCN, and two comprehensively cause the LAC district of 4.6% sub-district or NCC+BCC+BCCHARFCN combination to change.
When needs are safeguarded 2G and 3G network simultaneously, if the sub-district in the 2G network changes, then need in time to notify 3G network, otherwise, wrong neighbor cell configuration appears in the 3G network with making.And wrong neighbor cell configuration will have a strong impact on network performance.Be example with the sight of safeguarding GSM network and TD-SCDMA network simultaneously below, cause the TD-SCDMA network problem that the neighbor cell configuration mistake produces to occur to changing and describe owing to the sub-district in the GSM network:
1. when UE is in connected state, according to the allocating and measuring of TD-SCDMA network the received signal intensity indication (RSSI) of wrong GSM sub-district, and produce corresponding measurement report, can produce following problem this moment:
1) be the adjacent area of signal the best if be configured the adjacent area of wrong cell identity information current, then this moment, UE was owing to the rssi measurement that carries out according to the cell identity information of mistake, and the adjacent area of signal the best is not measured, therefore, to cause UE can't in time report the metrical information of the best adjacent area of this signal to give network, reduce network performance according to this thereby influence network side;
2) when the set-up procedure (RELOCATION PREPARE) in the measurement report initiation repositioning process that TD-SCDMA reports according to UE, because what measurement report carried is wrong Target Cell Identifier information (as the LAC ID of mistake), thereby cause set-up procedure or handoff procedure in this repositioning process to be failed.Concrete reason comprises following several:
There is not this pairing sub-district of wrong cell identity information in the situation a:GSM system, like this, gsm system can't this sub-district of identification, thereby cause the failure of reorientation set-up procedure, promptly will prepare failure (RELOCAITON PREPARE FAILURE) message for the reorientation of " request message is unavailable " or " unknown object RNC " for failure cause by what the IU mouth fed back;
There is this pairing sub-district of wrong cell identity information in the situation b:GSM system by chance, like this, the TD-SCDMA side will be received the message of RELOCATION PREPARE success, thereby initiate the handoff procedure from 3G to 2G, and the cell identity information owing to the target GSM sub-district of being switched is wrong in this process, correspondingly, UE utilizes in the handoff procedure can't successfully set up the connection of eating dishes without rice or wine for the gsm system resource of its new configuration, at this moment, if this UE can go back to the 3G system that switches to, then can report former because " physical channel failure " from UTRAN handoff failure (HANDOVER FROMUTRAN FAILURE) message, if perhaps this UE can not go back to the 3G system that switches to, the situation that the UE call drop then can occur, after this TD-SCDMA system will find handoff failure in overtime back.
2. reside in when being in idle condition in the TD-SCDMA system as UE,, cause UE to read wrong neighbor cell configuration information, and carry out the sub-district gravity treatment of cell measurement and interdepartmental system according to the configuration information of mistake because there is mistake in the neighboring BS information of network side.Like this, may make UE can't measure best adjacent area according to the configuration information of mistake, thereby cause occurring the situation (OUT OFSERVICE) of out of reach, at this moment, UE can start initial cell and select, select the service of entering (IN SERVICE) state behind wireless system and the sub-district by the mode of frequency sweep, mobile phone can't be accepted beep-page message under this state, be in the off-grid state; If UE has the strategy of preferred TD-SCDMA system when resident, then also may occur in situation about circulating between OUT OF SERVICE state and the IN SERVICE state repeatedly.
At present, the main problem that adopts the mode of manually investigating to find above-mentioned neighbor cell configuration mistake, for example, when the situation of finding the sub-district handoff failure in the system in a period of time is frequent, the network operation attendant will consider and may have 3G and the inconsistent problem of 2G system cell identification information, be to have the neighbor cell configuration mistake in the 3G system, at this moment, need the cell identity information in 3G system and the 2G system be compared by artificial mode, with the cell identity information of finding out configuration error and carry out corresponding modification.From said process as can be seen, because number of cells is more in the system, above-mentioned searching of cell identity information to configuration error needs to use great amount of manpower.In addition, according to the method described above, have only when sub-district handoff failure number of times is too much just to cause the investigation of operation maintenance personnel to the neighbor cell configuration mistake, therefore, the problem of neighbor cell configuration mistake can not in time be found and solve to the existing method that realizes by manual type.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of identification and processing method of neighbor cell configuration mistake, and this method can be found the neighbor cell configuration mistake and corresponding processing of current appearance timely and accurately, reduces the influence of neighbor cell configuration mistake to systematic function.
In order to achieve the above object, the technical scheme of the present invention's proposition is:
A kind of identification of neighbor cell configuration mistake and processing method, this method may further comprise the steps:
The radio network controller (RNC) of 3G (Third Generation) Moblie (3G) system is monitored to the repositioning process of second generation mobile communication (2G) system in real time to current 3G system, wherein,
When the set-up procedure in described repositioning process failure and failure cause are unknown object RNC, judge that the cell-of-origin in the current described repositioning process makes a mistake about the neighbor cell configuration of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of this Target cell, and this Target cell is reported the network management center of 3G system;
When the number of times of described repositioning process failure is greater than presetting first threshold in presetting very first time section, the Target cell of this repositioning process is set to the punishment state, in default second time period, this Target cell is carried out the punishment operation, cancellation is to the described punishment operation of this Target cell after described second time period, described punishment operation comprises: suspend cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, perhaps comprise: the switching priority that reduces the Target cell in the described repositioning process;
For the described Target cell that is in the punishment state, when described cell-of-origin is successful to the described repositioning process of this Target cell, this Target cell is reverted to normal condition;
For the described Target cell that is in the punishment state, when by the number of times of being punished during greater than default second threshold value, judge that the cell-of-origin in the current described repositioning process makes a mistake about the neighbor cell configuration of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, and this Target cell is reported the network management center of 3G system.
In sum, the identification and the processing method of the neighbor cell configuration mistake that the present invention proposes, according to the failure cause that the 3G system is arrived the repositioning process of 2G system, discern the neighbor cell configuration mistake of current generation, when judging current generation neighbor cell configuration mistake, the adjacent area of configuration error is reported 3G network management center, so that the network operation attendant is the correct cell identity information of its configuration.In addition, among the present invention, in the time can't directly determining current generation neighbor cell configuration mistake according to failure cause, to judge this according to the frequency of failure of the repositioning process in a period of time, and before accurately judging whether the neighbor cell configuration mistake to occur, Target cell to the repositioning process of this generation failure is punished, avoiding the cell-of-origin in this time period, to be triggered once more or to reduce the probability that described repositioning process is triggered, thereby can reduce the influence of the failure of the repositioning process that may occur once more to network performance to the described repositioning process of this Target cell.This shows, utilize the present invention, can efficiently and exactly discern and handle the neighbor cell configuration mistake of current generation, improve the performance of 3G and 2G network interoperability at the RNC place.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Core concept of the present invention is: by 3G network is monitored in real time and analyzed to the reason of 2G network repositioning process failure and the number of times of failure, determine the current neighbor cell configuration mistake that whether takes place, and when the neighbor cell configuration mistake determine to take place, in time the neighbor cell configuration information of mistake is reported the network management center of TD-SCDMA network, so that this network management center examines this wrong neighbor cell configuration information and corresponding correction process.So, the current neighbor cell configuration mistake that takes place just can be known timely and accurately in network center, so that the operation maintenance personnel in time handle accordingly to this mistake, and then the performance of raising 3G and 2G network interoperability.
Fig. 1 is the flow chart of the embodiment of the invention one, and as shown in Figure 1, this embodiment one may further comprise the steps:
The RNC of 3G system monitors to the repositioning process of 2G system in real time to current 3G system.Wherein,
When the set-up procedure in described repositioning process failure and failure cause are unknown object RNC, judge that the cell-of-origin in the current described repositioning process makes a mistake about the neighbor cell configuration of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of this Target cell, and this Target cell is reported the network management center of 3G system
Here need to prove, when the failure cause of the set-up procedure in the described repositioning process is " unknown object RNC ", illustrate that then this failure is by due to the neighbor cell configuration mistake in the cell-of-origin, the adjacent area of configuration error is the Target cell in the repositioning process, therefore, this step can directly be judged the current neighbor cell configuration mistake that occurred according to this failure cause, at this moment, can directly carry out corresponding error and handle operation the adjacent area of configuration error, promptly stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of this Target cell, and this Target cell is reported the network management center of 3G system.Like this, stop the cell-of-origin to all measurements of Target cell and the operation of handoff functionality by above-mentioned termination, the reorientation set-up procedure that can in time stop the neighbor cell configuration mistake to be caused is failed to the influence of network performance.In addition, network management center also can in time know and current neighbor cell configuration mistake and sub-district that this configuration error was specifically related to have taken place, and needs the network maintenance staff by the mode of artificial investigation the neighbor cell configuration mistake to be discerned in the prior art scheme and to locate the demand of human resources that is produced too big and handle the problem that lags behind thereby overcome.
In this step, the cell-of-origin that stops in the described repositioning process can be realized by stating step to all measurements of this Target cell and the concrete grammar of handoff functionality: stop described repositioning process, and delete the information of described Target cell in the measurement control messages of the cell-of-origin UE in being handed down to described repositioning process and the system broadcast message.
When the number of times of described repositioning process failure was greater than presetting first threshold in presetting very first time section, the Target cell of this repositioning process was set to the punishment state, in default second time period this Target cell was carried out punishment and operated.
Here, when the failure cause of repositioning process is not the reason of " unknown object RNC ", then can not directly judge current certain problem that the neighbor cell configuration mistake occurs, in the case, if the number of times of the failure of the repositioning process in a period of time surpasses to a certain degree (promptly greater than presetting first threshold), then can carry out a period of time the punishment of (being described second time period) by repositioning process, to reduce the influence of repositioning process failure to network performance to this failure.
Concrete, described punishment operation can be to suspend cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, be specifically as follows: stop described repositioning process, and delete the information of described Target cell in the measurement control messages of the cell-of-origin UE in being handed down to described repositioning process and the system broadcast message; Correspondingly, described cancellation to the described punishment operation of Target cell can for: recover described repositioning process, and increasing the information of described Target cell in the measurement control messages of the cell-of-origin UE in being handed down to described repositioning process and the system broadcast message, described measurement control messages comprises: the measurement control messages that the UE that enters this cell-of-origin to the UE that inserts in the cell-of-origin of this configuration error adjacent area or 3G intra-system handover issues.
Described punishment operation can also be to realize to the be triggered mode of probability of the reorientation set-up procedure of Target cell by reducing this cell-of-origin, promptly reduces the switching priority of the Target cell in the reorientation set-up procedure; Correspondingly, described cancellation is operating as the described punishment of described Target cell: the switching priority of recovering described Target cell.
In actual applications, adopt above-mentioned which kind of means all will reduce of the influence of the described repositioning process that may fail to a certain extent to network performance.
In addition, here when the number of times that the repositioning process failure in a period of time occurs surpasses to a certain degree, Target cell that can this repositioning process is set to the punishment state, so that further determine the current neighbor cell configuration mistake that whether takes place in subsequent process.
In actual applications, can the adjacent area (being the Target cell in the described repositioning process) of described configuration error be reported the network management center of 3G system by the mode of reporting to the police.
For the described Target cell that is in the punishment state, when described cell-of-origin is successful to the described repositioning process of this Target cell, this Target cell is reverted to normal condition.
Here need to prove that in actual applications, the reason that causes repositioning process to be failed can have multiple, promptly the neighbor cell configuration mistake in the cell-of-origin is not unique factor, also may be because due to other factors such as network jitter.But it is successful again after the repositioning process failure, illustrate that then this failure is not due to the neighbor cell configuration mistake in the cell-of-origin, therefore, this adjacent area (being the Target cell in the repositioning process) reverted to normal condition here, its repositioning process is monitored with continuation.As seen, can avoid because the repositioning process failure that non-neighbor cell configuration mistake causes is discerned the influence of the accuracy of neighbor cell configuration mistake to the present invention according to failure cause by this step, thereby guarantee the accuracy of the present invention the identification of neighbor cell configuration mistake.
For the described Target cell that is in the punishment state, when by the number of times of being punished during greater than default second threshold value, judge that cell-of-origin in the current described repositioning process is about the neighbor cell configuration mistake of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, and this Target cell is reported the network management center of 3G system.
Here, when Target cell is in the punishment state, the not success as yet of its current repositioning process then is described, that is to say, this Target cell is in punishment-recovery-punishment-recovery ... cyclic process in, if the number of times of circulation has surpassed certain number of times, when promptly the number of times of being punished is greater than default second threshold value, then can judge the current neighbor cell configuration mistake that taken place in the cell-of-origin, the adjacent area of configuration error is the Target cell in the repositioning process.Therefore, can carry out corresponding error to this adjacent area and handle operation this moment.
In the foregoing description, very first time section, second time period, first threshold and second threshold value can be determined suitable value by emulation according to actual needs by those skilled in the art, do not repeat them here.
In sum, more than be preferred embodiment of the present invention only, be not to be used to limit protection scope of the present invention.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 (3)
1. the identification of a neighbor cell configuration mistake and processing method is characterized in that, this method may further comprise the steps:
The radio network controller (RNC) of 3G (Third Generation) Moblie (3G) system is monitored to the repositioning process of second generation mobile communication (2G) system in real time to current 3G system, wherein,
When the set-up procedure in described repositioning process failure and failure cause are unknown object RNC, judge that the cell-of-origin in the current described repositioning process makes a mistake about the neighbor cell configuration of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of this Target cell, and this Target cell is reported the network management center of 3G system;
When the number of times of described repositioning process failure is greater than presetting first threshold in presetting very first time section, the Target cell of this repositioning process is set to the punishment state, in default second time period, this Target cell is carried out the punishment operation, cancellation is to the described punishment operation of this Target cell after described second time period, described punishment operation comprises: suspend cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, perhaps comprise: the switching priority that reduces the Target cell in the described repositioning process;
For the described Target cell that is in the punishment state, when described cell-of-origin is successful to the described repositioning process of this Target cell, this Target cell is reverted to normal condition;
For the described Target cell that is in the punishment state, when by the number of times of being punished during greater than default second threshold value, judge that the cell-of-origin in the current described repositioning process makes a mistake about the neighbor cell configuration of Target cell, stop cell-of-origin in the described repositioning process to all measurements and the handoff functionality of Target cell, and this Target cell is reported the network management center of 3G system.
2. method according to claim 1 is characterized in that, the cell-of-origin in the described repositioning process of described termination comprises to all measurements and the handoff functionality of Target cell:
Stop described repositioning process, and delete the information of described Target cell in the measurement control messages of the cell-of-origin subscriber equipment (UE) in being handed down to described repositioning process and the system broadcast message.
3. method according to claim 1 is characterized in that, the cell-of-origin in the described repositioning process of described time-out comprises to all measurements and the handoff functionality of Target cell:
Stop described repositioning process, and delete the information of described Target cell in the measurement control messages of the cell-of-origin UE in being handed down to described repositioning process and the system broadcast message.
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| CN 201010034416 CN102131220B (en) | 2010-01-15 | 2010-01-15 | Method for identifying and processing adjacent cell configuration errors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271191A (en) * | 2016-12-30 | 2018-07-10 | ***通信集团福建有限公司 | Radio network problems root is because of localization method and device |
| CN109219095A (en) * | 2017-07-04 | 2019-01-15 | 大唐移动通信设备有限公司 | Method for handover control and system |
| CN110740483A (en) * | 2018-07-20 | 2020-01-31 | ***通信集团设计院有限公司 | information processing method and device in LTE switching process |
| WO2022037342A1 (en) * | 2020-08-21 | 2022-02-24 | 中兴通讯股份有限公司 | Failure cause value processing method, electronic device and computer-readable storage medium |
| CN114424590A (en) * | 2019-09-29 | 2022-04-29 | 华为技术有限公司 | Communication method, device and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100411488C (en) * | 2005-11-18 | 2008-08-13 | 华为技术有限公司 | Measuring configuration system and method in 2G missing configuration adjacent zone in 3G network |
| US7805134B2 (en) * | 2007-04-03 | 2010-09-28 | Ricoh Company, Ltd. | Configuration and management of wireless network devices |
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2010
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108271191A (en) * | 2016-12-30 | 2018-07-10 | ***通信集团福建有限公司 | Radio network problems root is because of localization method and device |
| CN109219095A (en) * | 2017-07-04 | 2019-01-15 | 大唐移动通信设备有限公司 | Method for handover control and system |
| CN109219095B (en) * | 2017-07-04 | 2020-11-27 | 大唐移动通信设备有限公司 | Switching control method and system |
| CN110740483A (en) * | 2018-07-20 | 2020-01-31 | ***通信集团设计院有限公司 | information processing method and device in LTE switching process |
| CN110740483B (en) * | 2018-07-20 | 2021-09-28 | ***通信集团设计院有限公司 | Information processing method and device in LTE switching process |
| CN114424590A (en) * | 2019-09-29 | 2022-04-29 | 华为技术有限公司 | Communication method, device and system |
| WO2022037342A1 (en) * | 2020-08-21 | 2022-02-24 | 中兴通讯股份有限公司 | Failure cause value processing method, electronic device and computer-readable storage medium |
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| CN102131220B (en) | 2013-06-05 |
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| CF01 | Termination of patent right due to non-payment of annual fee |