CN101909313A - Method and device for automatically optimizing mobile communication system - Google Patents
Method and device for automatically optimizing mobile communication system Download PDFInfo
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- CN101909313A CN101909313A CN2009101664579A CN200910166457A CN101909313A CN 101909313 A CN101909313 A CN 101909313A CN 2009101664579 A CN2009101664579 A CN 2009101664579A CN 200910166457 A CN200910166457 A CN 200910166457A CN 101909313 A CN101909313 A CN 101909313A
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Abstract
The invention discloses a method and a device for automatically optimizing a mobile communication system. The method comprises that: user equipment detects an abnormal state event, and records abnormal state information; the user equipment sends the recorded abnormal state information to a base station of a cell for administering the generation of the abnormal state information; and the base station automatically optimizes the corresponding abnormal state event according to the received abnormal state information.
Description
Technical field
The present invention relates to the mobile communication system field, particularly a kind of method of automatically optimizing mobile communication system and device.
Background technology
Along with development of Communication Technique, mobile communication system develops into System Architecture Evolution (SAE) system, in the SAE system, comprise evolved universal terrestrial radio access network (E-UTRAN) and core network, SAE system architecture schematic diagram comprises as shown in Figure 1: as the E-UTRAN101 of SAE Radio Access Network, mobile management entity (MME) 105 that is equivalent to GPRS (GPRS) support node (SGSN) and user plane entity (S-GW) 106 and core network.E-UTRAN101 is used to continue subscriber equipment to core network, is undertaken alternately by MME105 and S-GW106 and core network.
In E-UTRAN101, comprising: a plurality of macro base stations (eNB) 102 are connected to each other by X2 interface respectively, and are connected by the S1 interface with S-GW106 with MME105; Base station from home (HeNB) 103 directly is connected with S-GW106 with MME105 or is connected with optional home base-station gateway (HeNB GW) 104 by the S1 interface by the S1 interface; Optionally HeNB GW104 is responsible for providing access of radio network to subscriber equipment, and is connected by the S1 interface with S-GW106 with MME105.In the SAE system, subscriber equipment is the subscriber equipment of SAE, and MME105 and S-GW106 can be integrated in the module and realize, also can separate independent realization.
When comprising HeNB GW104 among the E-UTRAN 101, HeNB103 is connected with S-GW106 with MME105 respectively by HeNB GW104; When not comprising HeNB GW104, then directly be connected 105 and be connected with S-CW106 with MME105.MME105 is used for mobile context, the session context of management user device and preserves the security-related information of user of using subscriber equipment.S-GW106 provides user-plane function for subscriber equipment.The S1 interface is responsible for subscriber equipment provides RAB to set up, and the message that subscriber equipment is sent to MME105 is transmitted from E-UTRAN101.Usually, the data flow of subscriber equipment is transmitted by S-GW106, and just S-GW106 sends to eNB under the subscriber equipment by the GPRS Tunnel Protocol (GTP) set up with data flow, and eNB is transmitting this data flow.
In the SAE system, each eNB links to each other with a plurality of MME, and each eNB links to each other with a plurality of S-GW.
Setting up the SAE system initial stage or in SAE system operation process, the parameter that needs configuration of cost lot of manpower and material resources and optimization SAE system, the particularly setting of wireless parameter, thus covering that the SAE system is good and capacity, mobile robustness guaranteed, the equilibrium of load when mobile and the speed that subscriber equipment inserts etc.At present, proposed the self-organization method of SAE system, in the self-optimizing process, in fact exactly being provided with according to SAE system current state of eNB or HeNB has been optimized processing, below abbreviated eNB and HeNB as eNB, the self-organization method of SAE system has been described.
The self-optimizing basic framework of SAE system as shown in Figure 2, eNB carries out the self-configuring process after powering on or inserting SAE.The self-configuring process comprises basic setup and the initial wireless parameter configuration of eNB.Basic setup comprises Internet protocol (IP) address that disposes eNB and detecting operation, maintenance and management (OA﹠amp; M); Authentication between eNB and core network; For being HeNB, also need to detect its affiliated HeNB GW as eNB; Download the software of eNB and the parameter of operation and carry out self configuration.The initial wireless parameter configuration is according to experience or The Realization of Simulation, each eNB performance of SAE system can be subjected to the environmental impact of region, so eNB need specifically carry out the initial configuration of Neighboring Cell List and the initial configuration of load balancing according to the environment initial wireless parameter configuration of region.After finishing the self-configuring process, a lot of parameters that eNB disposed not are optimized, in order to make the SAE system more performance are arranged, so need the configuration of eNB be optimized or adjust, are also referred to as the self-optimizing of mobile communication system.When the configuration to eNB is optimized or adjusts, can be by the OA﹠amp on backstage; M control eNB finishes OA﹠amp; Standardized interface, OA﹠amp are arranged between M and the eNB; M will optimum parameters send to eNB (can be eNB or HeNB) by this interface, want optimum parameters that the parameter that self disposes is optimized by the eNB basis then.Certainly, also can be finished by eNB self, promptly eNB detects and obtains optimizing performance, carries out self corresponding Parameter Optimization of institute or adjustment.
At present, the configuration of eNB is optimized or adjusts and can comprise: the self-optimizing of the self-optimizing of the self-optimizing of the self-optimizing of Neighboring Cell List, covering and capacity, the self-optimizing of mobile robustness, load balancing and Random Access Channel (RACH) parameter etc.Wherein, the self-optimizing of Neighboring Cell List is finished at the version 8 of SAE system, and other self-optimizing scheme is the proposition of notion, if concrete self-optimizing scheme does not also have.
Summary of the invention
In view of this, the invention provides a kind of method of automatically optimizing mobile communication system, this method can be carried out self-optimizing to mobile communication system, promotes performance of mobile communication system.
The present invention also provides a kind of base station and subscriber equipment of automatically optimizing mobile communication system, and this base station and subscriber equipment can carry out self-optimizing to mobile communication system, promotes performance of mobile communication system.
For achieving the above object, the technical scheme of the embodiment of the invention specifically is achieved in that
A kind of method of automatically optimizing mobile communication system, this method comprises:
Subscriber equipment detects abnormality incident, recording exceptional state information;
Subscriber equipment sends to the base station that administration generates the sub-district of this abnormality information with the abnormality information that is write down;
The self-optimizing of corresponding abnormality incident is carried out according to the abnormality information that receives in described base station.
Before subscriber equipment detected the abnormality incident, this method also comprised:
The base station sends broadcast control message or radio resource control RRC message to subscriber equipment under the subscriber equipment, and the indication subscriber equipment detects the abnormality incident.
Described broadcast control message or RRC message are carried the abnormality incident of abnormality detection indication or detection or/and report the mode of abnormality information.
Described abnormality information comprises: the time that detected abnormality state event, this abnormality incident take place and the positional information of subscriber equipment.
Described abnormality incident comprises: the power of subscriber equipment reception data is lower than the threshold value of setting; Subscriber equipment generation radio link failure; Subscriber equipment sends RRC connection request message failure; Subscriber equipment sends the targeting signal failure; Subscriber equipment sub-district gravity treatment generation ping-pong; Subscriber equipment reaches the frequent time numerical value of setting at the frequent number of times of minizone gravity treatment; The handoff failure procedural information of subscriber equipment; The transmitting power that subscriber equipment detects adjacent two sub-districts causes interference value to reach one or more combinations in the interference value of setting too by force;
Described reception data service is that signaling is or/and data service.
Before described recording exceptional state information, also comprise:
Subscriber equipment judges when detecting same abnormality incident, and whether the position difference at this subscriber equipment place greater than the position difference that is provided with, if, recording exceptional state information then; Otherwise, record not then.
Described subscriber equipment sends to the abnormality information that is write down before the base station of the sub-district of administering this abnormality information of generation, also comprises:
Subscriber equipment at idle pulley enters enable mode, accessing mobile communication network.
Subscriber equipment sends the base station that the abnormality information that is write down sends to the sub-district of this abnormality information of administration generation by base station under the subscriber equipment:
The base station judges that according to this abnormality information the base station of the sub-district of this abnormality information of administration generation is not self under the subscriber equipment, is transmitted to the base station that administration generates the sub-district of this abnormality information.
Described base station is according to the abnormality information that receives, and the self-optimizing of carrying out corresponding abnormality incident is:
Described base station judges whether the abnormality information content that receives reaches the value of setting, if, then carry out the self-optimizing of corresponding abnormality incident, if not, then do not carry out the self-optimizing of corresponding abnormality incident.
The described self-optimizing of carrying out corresponding abnormality incident is:
Described base station determines that according to abnormality information the abnormality incident is a power that subscriber equipment receives data when being lower than the threshold value of setting or subscriber equipment generation radio link failure, determines that the sub-district of administration covers leak, repairs the leak that covers;
Described base station determines that according to abnormality information the abnormality incident is that subscriber equipment sends RRC connection request message failure or subscriber equipment sends the targeting signal failure, judge whether to cause because transmitted power is low, if, then revise the open loop power setting of subscriber equipment, comprise initial power and step-length power; If not, then the sub-district of administration covers leak, repairs the leak that covers;
Described base station determines that according to abnormality information the abnormality incident is a subscriber equipment sub-district gravity treatment generation ping-pong, then revises the cell reselection parameters of administration;
Described base station determines that according to abnormality information the abnormality incident is subscriber equipment and reaches the frequent time numerical value of setting at the frequent number of times of minizone gravity treatment, and whether decision revises the cell reselection parameters of administering;
Described base station determines that according to abnormality information the abnormality incident is that the transmitting power that subscriber equipment detects adjacent two sub-districts causes interference value to reach the interference value of setting too by force, revises transmitting power;
The subscriber equipment handoff failure is judged according to abnormality information in described base station, need carry out mobile robustness optimization, and then the optimization of subscriber equipment handoff parameter is carried out in the base station according to the handoff failure procedural information of subscriber equipment.
A kind of base station of automatically optimizing mobile communication system comprises transceiver module, judge module and processing module, wherein,
Transceiver module is used to receive the abnormality information that subscriber equipment sends, and sends to judge module;
Judge module is used for determining corresponding abnormality incident according to abnormality information, and the abnormality incident is sent to processing module;
Processing module is used for carrying out corresponding self-optimizing according to the abnormality incident.
Described processing module also is used for carrying out the detection of abnormality incident and reporting by transceiver module indication subscriber equipment;
Described judge module also is used for judging according to abnormality information whether corresponding abnormality incident relates to other base stations, if then by transceiver module this abnormality information is sent to other corresponding base stations.
A kind of subscriber equipment of automatically optimizing mobile communication system comprises: transceiver module, detection module and logging modle, wherein,
Transceiver module, be used for receive detecting the indication of abnormality incident after, send to detection module;
Detection module is used for carrying out the detection of sub-district, place according to abnormality incident indication, detects the abnormality incident;
Logging modle, be used for the corresponding abnormality information of record institute's abnormality incident that detects after, send to the base station that administration has this abnormality incident sub-district by transceiver module.
By such scheme as can be seen, method provided by the invention and device, detect the abnormality information that mobile communication system obtains by subscriber equipment, subscriber equipment carries out the self-optimizing of parameter by this base station according to this abnormality information after abnormality information is sent to the base station of the sub-district of administering this abnormality information of generation.Because detecting the abnormality information that obtains, subscriber equipment can relate to the various aspects that influence performance of mobile communication system, and not only be confined to the Neighboring Cell List performance of prior art, and the optimization of carrying out mobile communication system is based on subscriber equipment and detects the abnormality information that obtains, so the present invention has realized mobile communication system is carried out self-optimizing, promote performance of mobile communication system.
Description of drawings
Fig. 1 is the SAE system architecture schematic diagram of prior art;
The self-optimizing basic framework schematic diagram of the SAE system that Fig. 2 provides for prior art;
Fig. 3 is the method flow diagram of automatically optimizing mobile communication system provided by the invention;
Fig. 4 is the method flow diagram of subscriber equipment recording and sending abnormality information in the automatically optimizing mobile communication system method provided by the invention;
Fig. 5 is provided with abnormality information approach embodiment one flow chart that detects abnormality incident and user equipment to report record for the base station under the subscriber equipment provided by the invention at subscriber equipment;
Fig. 6 is provided with method embodiment two flow charts that detect the abnormality incident for the base station under the subscriber equipment provided by the invention at subscriber equipment;
The method flow diagram that Fig. 7 transmits between eNB for the abnormality information of user equipment to report provided by the invention;
The method flow diagram that Fig. 8 carries out self-optimizing for eNB provided by the invention according to the abnormality information that receives;
Fig. 9 is the architecture of base station schematic diagram of automatically optimizing mobile communication system provided by the invention;
Figure 10 is the user device architecture schematic diagram of automatically optimizing mobile communication system provided by the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
The self-optimizing scheme to mobile communication system that prior art proposes on the one hand, can only be carried out self-optimizing to the Neighboring Cell List of mobile communication system, can't to the index of influential performance of mobile communication system carry out self-optimizing; On the other hand, to the Neighboring Cell List self-optimizing of mobile communication system usually based on be that eNB detects information or the OA﹠amp that obtains; M sends to the information of eNB, can't react the transceive data real experiences degree of subscriber equipment in the mobile communication system, can't accomplish real performance self-optimizing to mobile communication system.
Therefore, in order to overcome the shortcoming of prior art to the self-optimizing scheme of mobile communication system, the scheme that the present invention proposes is: detect the abnormality information that mobile communication system obtains by subscriber equipment, subscriber equipment carries out the self-optimizing of parameter by this base station according to this abnormality information after abnormality information is sent to the base station of the sub-district of administering this abnormality information of generation.Because detecting the abnormality information that obtains, subscriber equipment can relate to the various aspects that influence performance of mobile communication system, and not only be confined to the Neighboring Cell List performance of prior art, and the optimization of carrying out mobile communication system is based on subscriber equipment and detects the abnormality information that obtains, so realized the various aspects that influence performance of mobile communication system are carried out self-optimizing, promoted performance of mobile communication system.
Fig. 3 is the method flow diagram of automatically optimizing mobile communication system provided by the invention, and its concrete steps are:
In this step, abnormality information comprises: the time that abnormality incident, this abnormality incident take place and the positional information of subscriber equipment; Wherein, the abnormality incident comprises: the power of subscriber equipment reception data is lower than the threshold value of setting, and this threshold value can't be carried out proper communication with SAE grid side according to subscriber equipment and be set; Subscriber equipment generation radio link failure; Subscriber equipment sends Radio Resource control (RRC) connection request message failure; Subscriber equipment sends the targeting signal failure; Subscriber equipment sub-district gravity treatment generation ping-pong; Subscriber equipment reaches the frequent time numerical value of setting at the frequent number of times of minizone gravity treatment; The procedural information of subscriber equipment handoff failure; The transmitting power that subscriber equipment detects adjacent two sub-districts causes interference value to reach the interference value of setting too by force;
In this step, the data that subscriber equipment sends can be signaling, also can be actual data traffic.
Step 302, subscriber equipment enter state of activation, and the abnormality information that is write down is sent to the base station that administration generates the sub-district of this abnormality information;
When sending, subscriber equipment can send to the base station that administration generates the sub-district of this abnormality information by the eNB under current;
Corresponding self-optimizing is carried out according to the abnormality information that receives in the base station of the sub-district of step 303, this abnormality information of administration generation.
Certainly, the self-organization method of this mobile communication system is not limited to the SAE system, can also be the self-optimizing of other mobile communication system, and the base station that relates to can be base station from home or macro base station.Following embodiment is that example describes with the SAE system.
Fig. 4 is the method flow diagram of subscriber equipment recording and sending abnormality information in the automatically optimizing mobile communication system method provided by the invention, and its concrete steps are:
In this step, subscriber equipment is in idle pulley;
The threshold value of described setting is good to user device configuration in advance by EUTRAN grid side, specifically how to dispose Fig. 5 or the described process of Fig. 6 of participating in;
Changing step 416 over to is exactly the base station that the abnormality information of record is reported to the sub-district of this abnormality information of administration generation, on the UE of step 402 record and this step, give the correct time, whether twice abnormality information differed scope little (comprising the position distance and the time interval) before and after subscriber equipment also needed to continue to judge, if, then do not report a back abnormality information, by the time the scope that differs reports when big again, such as, before the abnormality information that once obtains position information of user equipment and after distance between the position information of user equipment of the abnormality that once obtains less than the interval of setting, the abnormality information that once obtains does not then report, be considered as invalid data and abandon, up to after the user equipment information of the abnormality information that once obtains with respect to the distance between the user equipment information of the preceding abnormality information that once obtains more than or equal to the interval of setting;
In this step, subscriber equipment is in idle pulley;
In this step, subscriber equipment is in idle pulley;
Whether step 408, subscriber equipment detect sub-district gravity treatment generation ping-pong, if, execution in step 409; If not, execution in step 410;
In this step, subscriber equipment is in idle pulley;
The cell ID of two sub-districts of ping-pong will take place in step 409, subscriber equipment, after write down as abnormality information the position of the time of staying of each sub-district and current user equipment in two sub-districts, change step 403 over to and will carry out;
In this step, the cell ID of two sub-districts is PCI, ECGI or ECI;
In this step, subscriber equipment is in idle pulley;
The cell ID of two sub-districts of frequent gravity treatment will take place in step 411, subscriber equipment, after write down as abnormality information the position of the time of staying of each sub-district and current user equipment in two sub-districts, change step 403 over to and will carry out;
In this step, the cell ID of two sub-districts is PCI, ECGI or ECI;
Whether the interference value that step 412, subscriber equipment detect its two neighbor cells under current reaches the interference value of setting, if, execution in step 413; If not, execution in step 414;
In this step, subscriber equipment is in idle pulley or enable mode;
In this step, do not comprise the interference value of two neighbor cells under current in the abnormality recording of information, and comprise two neighbor cell high interference indications under current;
In this step,, then do not need execution in step 403, and directly execution in step 416 gets final product if subscriber equipment is in enable mode;
In this step, subscriber equipment is in enable mode;
In this step, subscriber equipment can be rebuild upright request or RRC by RRC connection request or RRC and sets up and finish or RRC rebuilds upright finish or the message of redetermination sends the information of record to the base station.Received power when described message comprises subscriber equipment no signal condition (receive data power and be lower than certain threshold value), time, positional information; Transmitted power when perhaps subscriber equipment sends leading the failure, time, positional information; Transmitting power when perhaps subscriber equipment sends the failure of RRC connection request, time, positional information; Perhaps the cell ID of table tennis sub-district gravity treatment, the time of staying and positional information in each sub-district take place in subscriber equipment; Perhaps the cell ID of frequent sub-district gravity treatment takes place in subscriber equipment, the time of staying of each sub-district, positional information; The perhaps strong jamming value of two sub-districts, cell ID, time, positional information; Perhaps cell ID during Radio Link Failure, time, positional information; The perhaps information that is write down during handoff failure handover trigger time for example, RLF time, reconstruction time, information such as the position of failure;
Whether step 417, subscriber equipment detect and switch, if, execution in step 418; If not, then subscriber equipment returns beginning, carries out the detection of abnormality incident again;
In this step, subscriber equipment is in enable mode;
The procedural information of step 418, subscriber equipment recording user equipment handoff failure comprises the handover trigger time;
In this step, if subscriber equipment handoff procedure success, subscriber equipment abandons the subscriber equipment handoff procedure information of this record, if handoff procedure failure, subscriber equipment is preserved the procedural information of the subscriber equipment handoff failure of this record, comprising: handover trigger time, the position of Radio Link Failure (RLF) time and failure, the time that RRC rebuilds and the sign of cell-of-origin etc. change step 416 over to and carry out;
In this step, the failure of RRC state transitions is arranged in the handoff procedure and do not have the failure of RRC state transitions, wherein, for the failure that the RRC state transitions is arranged, after changing step 403 after the execution of step 418 over to and carrying out, execution in step 416 again; For the failure that does not have the RRC state transitions, then direct execution in step 416.
In this step, the abnormality information that subscriber equipment can be different with all reports the base station that administration generates the sub-district of this abnormality information together, also can report separately or partly make up to report;
Give the correct time last, can be that subscriber equipment enters in the process of connection mode and reports, set up message or RRC and connect and finish message or the request of RRC connection reconstruction or RRC connection reconstruction and finish information reporting as connecting by RRC, perhaps after subscriber equipment enters connection mode by other RRC information reporting.
In process shown in Figure 4, it is not that order is carried out that the described subscriber equipment of step 401, step 404, step 406, step 408, step 410, step 412, step 414 and step 417 detects different abnormality incidents, there is not sequencing, and according to the SAE system, as the indication of the eNB under the UE, detect one or more abnormality incident and report.
After the step 418 in Fig. 4, if SAE grid side receives the abnormality information of the user equipment to report of being administered of some such as macro base station, this information is the described abnormality information of step 402, judges the institute's sub-district of administering covering leak; This information is the described abnormality information of step 404 or step 406, judge the sub-district covering problem of administering, in conjunction with the received power of the user equipment to report of being administered or the information such as transmitting power of the sub-district of administering, determine to adopt raising generation power or other modes to solve covering problem, also can determine that subscriber equipment sends signal first or requested power is too low, the number of times that solves useless transmission signal of subscriber equipment or request is set by the open loop power of adjusting subscriber equipment in conjunction with the received power of user equipment to report; This information is the described abnormality information of step 408, then adjusts the parameter of this sub-district gravity treatment in the time that each sub-district stops at subscriber equipment; This information is the described abnormality information of step 412, judges that then the covering of two sub-districts is overlapping, reduces the transmitting power or the expansion capacity of two sub-districts respectively; This information is the described abnormality information of step 418, judge whether to carry out mobile robustness optimization, then eNB carries out the optimization of handoff parameter according to handover trigger time, position and the out of Memory in the procedural information of subscriber equipment handoff failure if desired.
In process shown in Figure 4, need the abnormality incident that subscriber equipment detects be provided with on subscriber equipment, can pre-set, also can be by the base station under the subscriber equipment when the needs subscriber equipment detects, indicate subscriber equipment to be provided with in real time.
Fig. 5 is provided with abnormality information approach embodiment one flow chart that detects abnormality incident and user equipment to report record for the base station under the subscriber equipment provided by the invention at subscriber equipment, suppose that the base station under the subscriber equipment is eNB, need to prove, the measurement mechanism of the prior art that this method is carried out for the sub-district gravity treatment at the subscriber equipment of not changing under idle pulley, subscriber equipment is to the detection of abnormality incident when just having increased abnormal conditions on existing this measurement mechanism basis.
Concrete steps shown in Figure 5 are:
Step 501, eNB send broadcast control message by Broadcast Control Channel (BCCH), and the abnormality incident of carrying abnormality detection indication or detection is or/and report the mode of abnormality information;
The abnormality detection indication of carrying in this step, is used to control subscriber equipment and whether carries out the detection of abnormality incident; The abnormality incident of the detection of carrying is used to control subscriber equipment and detects which abnormality incident; The mode that reports abnormality information of carrying is used to control subscriber equipment and how carries out reporting of abnormality information, can be periodically report or the abnormality Event triggered report or the valid data of abnormality information report when reaching set amount.If periodically report, need dispose the cycle to subscriber equipment;
In this step, also can only carry abnormality detection indication, at this moment, after subscriber equipment receives this message, Fig. 4 described all or part abnormality incident all detected report, this does not get rid of can also other abnormality incident;
After step 502, subscriber equipment receive broadcast control message, carry out the measurement of abnormality incident according to the information that this message is carried, after measuring, the recording exceptional state information;
In this step, subscriber equipment is in idle pulley, detects abnormality incident and recording exceptional state information in real time, can have a plurality of;
Step 503, subscriber equipment transmission RRC connection request or RRC connection re-establishment request message are to eNB;
Step 504, eNB transmission RRC connection foundation or RRC connection re-establishment message are to subscriber equipment;
Step 505, subscriber equipment send RRC and connect to set up and finish or the RRC connection re-establishment is finished message to eNB, finish subscriber equipment and insert the EUTRAN system;
The abnormality information of step 506, subscriber equipment forwarding step 502 records.
In this embodiment, subscriber equipment also can be carried at the abnormality information of step 502 record in the message of step 503 or in the message of step 505 and send to eNB.
Fig. 6 supposes that for the base station under the subscriber equipment provided by the invention is provided with method embodiment two flow charts that detect the abnormality incident at subscriber equipment the base station under the subscriber equipment is eNB, and the MME of service is provided for subscriber equipment.Need to prove, the measurement mechanism of the prior art that this method is carried out for the sub-district gravity treatment at the subscriber equipment of not changing under idle pulley, subscriber equipment is to the detection of abnormality incident when just having increased abnormal conditions on existing this measurement mechanism basis.
Concrete steps shown in Figure 6 are:
Step 601, subscriber equipment send to eNB and connect (Attach) request message;
In this step, initiate connection procedure, send connection request to eNB by RRC message by subscriber equipment;
Step 602, eNB transmit connection request message is given provides service for subscriber equipment MME by the initial user equipment message of S1 interface;
Step 603, this MME send initial context and set up request to eNB, carry the safe context information of subscriber equipment Access Layer and switch the restriction tabulation;
Step 604, eNB send RRC and connect reconfiguration message to subscriber equipment, and the abnormality incident of carrying abnormality detection indication or detection is or/and report the mode of abnormality information;
The abnormality detection indication of carrying in this step, is used to control subscriber equipment and whether carries out the detection of abnormality incident; The abnormality incident of the detection of carrying is used to control subscriber equipment and detects which abnormality incident; The mode that reports abnormality information of carrying is used to control subscriber equipment and how carries out reporting of abnormality information, can be periodically report or the abnormality Event triggered report or the valid data of abnormality information report when reaching set amount.If periodically report, need dispose the cycle to subscriber equipment;
In this step, also can only carry abnormality detection indication, at this moment, after subscriber equipment receives this message, report after Fig. 4 described all or part abnormality incident all detected, this does not get rid of can also other abnormality incident;
Step 605, subscriber equipment basis receive the abnormality incident that the message setting will detect, and connect to reshuffle to eNB transmission RRC and finish message;
Step 606, eNB send the initial context response message to this MME;
Step 607, subscriber equipment send to connect finishes message to eNB;
Step 608, eNB send to connect to this MME and finish message.
In Fig. 6, narrated the EUTRAN system and each subscriber equipment is controlled it separately whether carried out the detection of abnormality incident and report the abnormality information mode, do not need to revise existing eNB and send broadcast control message.A kind of implementation that just eNB described herein measures and reports by special-purpose message control UE, just connect to reshuffle and control subscriber equipment by RRC, eNB comes to connect by RRC and sets up, and RRC connects and rebulids or the RRC message of redetermination is controlled the mode of measurement and the report of UE.The RRC message that is used for this function comprises the abnormality incident of abnormality detection indication or detection or/and report the mode of abnormality information, and the use of described information element no longer repeats here with identical described in the step 604.The process that subscriber equipment detects the abnormality incident and reports the abnormality information that is write down and Fig. 4 or process shown in Figure 5 are identical, are not repeated here.
When user equipment to report abnormality information, it may move to target eNB from affiliated eNB, at this moment, transmits at different eNB with regard to needing abnormality information.The method flow diagram that Fig. 7 transmits between eNB for the abnormality information of user equipment to report supposes that the abnormality information of user equipment to report is transmitted between eNB1 and eNB2, its concrete steps are:
After step 701, eNB1 receive the abnormality information of user equipment to report, determine it is not the abnormality incident of its administration sub-district according to this abnormality information, but the abnormality incident of the sub-district of eNB2 administration then sends to eNB2 with this abnormality information;
Step 702, eNB2 receive the back, and transmission receives abnormality validation of information message to eNB1;
This step is optional.
Like this, the eNB2 under the subscriber equipment just can carry out the self-optimizing process according to this information.
The method flow diagram that Fig. 8 carries out self-optimizing for eNB provided by the invention according to the abnormality information that receives, its concrete steps are:
The abnormality information whether this message that step 802a, eNB judge to receive is transmitted for other eNB, if, execution in step 805; If not, going back to step 801 carries out;
In this step, when the abnormality incident in the abnormality information that receives not only is the sub-district abnormality incident of being administered, also comprise two kinds of situations, a kind of is the sub-district abnormality incident that just other eNB administered; Second kind for being the abnormality incident of sub-district that eNB administers and the sub-district abnormality incident that other eNB are administered simultaneously; Wherein, first kind of just direct execution in step 804; Second kind in execution in step 804, and execution in step 805;
When the abnormality incident relates to the sub-district of the sub-district of eNB administration and other eNB administration, such as sub-district gravity treatment table tennis, also execution in step 804 then;
In this step, eNB judges according to a plurality of abnormality information that receive, and surpasses the value of setting if having the abnormality information of the exception reporting incident of the threshold value that power that subscriber equipment receives data is lower than setting, and then execution in step 807; Otherwise, execution in step 809; This value of setting rule of thumb is provided with;
In this step, patching bugs can be for the angle of adjusting antenna, adjust transmitting power or dispose new base station etc.;
In this step, eNB judges according to a plurality of abnormality information that receive, and surpasses the value of setting if having the abnormality information of the exception reporting incident of radio link failure, and then execution in step 807; Otherwise, execution in step 810; This value of setting rule of thumb is provided with;
In this step, eNB judges according to a plurality of abnormality information that receive, and surpasses the value of setting if having the abnormality information of the exception reporting incident of subscriber equipment transmission targeting signal failure, and then execution in step 811; Otherwise, execution in step 813; This value of setting rule of thumb is provided with;
In this step, the frequency of failure and transmitting power threshold value (can be set to the maximum transmission power that system supports) are set, judge the number of times of transmission targeting signal failure and the frequency of failure and the transmitting power threshold value whether each transmitted power is lower than setting respectively, if then execution in step 812; If not, execution in step 807 then;
In this step, eNB can adjust the initial value of power and the setting of step-length;
Step 813, eNB judge according to the abnormality information of preserving whether the exception reporting incident is that subscriber equipment sends up RRC connection request message failure, if, execution in step 811, if not, then execution in step 814;
In this step, eNB judges according to a plurality of abnormality information that receive, and surpasses the value of setting if having the abnormality information of the exception reporting incident that subscriber equipment sends up RRC connection request message, and then execution in step 811; Otherwise, execution in step 814; This value of setting rule of thumb is provided with;
In this step, eNB judges according to a plurality of abnormality information of preserving, and surpasses the value of setting if having the abnormality information of the exception reporting incident of subscriber equipment sub-district gravity treatment generation ping-pong, and then execution in step 811; Otherwise, execution in step 814; This value of setting rule of thumb is provided with;
Step 816, eNB be according to the abnormality information of preserving, and judges that whether the exception reporting incident is subscriber equipment and reaches the frequent inferior numerical value of setting at the frequent number of times of minizone gravity treatment, if, execution in step 817, if not, then execution in step 818;
In this step, eNB judges that according to a plurality of abnormality information of preserving if subscriber equipment surpasses the value of setting in the abnormality information that gravity treatment frequent number of times in minizone reaches the frequently exception reporting incident of time numerical value of setting, then execution in step 811; Otherwise, execution in step 814; This value of setting rule of thumb is provided with;
In this step, can make the easier higher coverage sub-district of choosing of subscriber equipment, also can select higher coverage sub-district for subscriber equipment as much as possible, reduce the number of times that subscriber equipment switches when mobile for respective user equipment is provided with handoff parameter;
Step 818, eNB be according to the abnormality information of preserving, and judges that whether the exception reporting incident is the interference value that the interference value of two neighbor cells reaches setting, if execution in step 819 if not, then carries out 820;
In this step, eNB judges according to a plurality of abnormality information of preserving, and surpasses the value of setting if the interference value of two neighbor cells reaches the abnormality information of exception reporting incident of the interference value of setting, and then execution in step 819; Otherwise, finish; This value of setting rule of thumb is provided with;
It is overlapping that step 819, eNB determine that two neighbor cells cover, and revises the transmitting power of the sub-district of administering;
In this step, if another sub-district is administered by other eNB, then the optimization of another sub-district is finished by other eNB;
In this step, the transmitting power of the modification sub-district of administering can be to reduce transmitting power, improve the capacity of sub-district or reduce the additive method that disturbs.
In this step, eNB judges according to the abnormality information of a plurality of subscriber equipmenies of preserving, if determine that according to the value of setting a plurality of subscriber equipmenies are in this position handoff failure (for example judge former because switch too morning or too late), execution in step 821; Otherwise, finish; This value of setting rule of thumb is provided with;
Lift two object lessons, eNB judges that a kind of method that subscriber equipment switches too early is: eNB has triggered switching, switches the RRC connection re-establishment request message of having received subscriber equipment when not having to finish in the cell-of-origin, and eNB can judge that switching too early; ENB judges that the another kind of method that subscriber equipment switches too early is: eNB has triggered handoff procedure, handoff procedure finishes, eNB received from purpose eNB come resource release message, eNB starts a timer, received when timer does not have to finish from subscriber equipment come RRC connection re-establishment request message, eNB can judge that switching is too early.
In this step, if another sub-district is administered by other eNB, then the optimization of another sub-district is finished by other eNB;
In this step, revising handoff parameter can consult to finish with other neighbor cell.
In the described embodiment of Fig. 8, step 806, step 809, step 810, step 813, step 814, step 816, step 818 and step 820 are not that order is carried out, and are not limited to finish all judgements yet, and only carry out wherein several judgements.
Fig. 9 is the architecture of base station schematic diagram of automatically optimizing mobile communication system provided by the invention, comprising: transceiver module, judge module and processing module, wherein,
Transceiver module is used to receive the abnormality information that subscriber equipment sends, and sends to judge module;
Judge module is used for determining corresponding abnormality incident according to abnormality information, and the abnormality incident is sent to processing module;
Processing module is used for carrying out corresponding self-optimizing according to the abnormality incident.
In this base station, processing module also is used for carrying out the detection of abnormality incident and reporting by transceiver module indication subscriber equipment.
In this base station, judge module also is used for judging according to abnormality information whether corresponding abnormality incident relates to other base stations, if then by transceiver module this abnormality information is sent to other corresponding base stations.
Figure 10 is the user device architecture schematic diagram of automatically optimizing mobile communication system provided by the invention, comprising: transceiver module, detection module and logging modle, wherein,
Transceiver module, be used for receive detecting the indication of abnormality incident after, send to detection module;
Detection module is used for carrying out the detection of sub-district, place according to abnormality incident indication, detects the abnormality incident;
Logging modle, be used for the corresponding abnormality information of record institute's abnormality incident that detects after, send to the base station that administration has this abnormality incident sub-district by transceiver module.
More than lift preferred embodiment; the purpose, technical solutions and advantages of the present invention are further described; institute is understood that; the above only is preferred embodiment of the present invention; not in order to restriction the present invention; within the spirit and principles in the present invention all, any modification of being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the method for an automatically optimizing mobile communication system is characterized in that, this method comprises:
Subscriber equipment detects abnormality incident, recording exceptional state information;
Subscriber equipment sends to the base station that administration generates the sub-district of this abnormality information with the abnormality information that is write down;
The self-optimizing of corresponding abnormality incident is carried out according to the abnormality information that receives in described base station.
2. the method for claim 1 is characterized in that, before subscriber equipment detected the abnormality incident, this method also comprised:
The base station sends broadcast control message or radio resource control RRC message to subscriber equipment under the subscriber equipment, and the indication subscriber equipment detects the abnormality incident.
3. method as claimed in claim 2 is characterized in that, described broadcast control message or RRC message are carried the abnormality incident of abnormality detection indication or detection or/and report the mode of abnormality information.
4. the method for claim 1 is characterized in that, described abnormality information comprises: the time that detected abnormality state event, this abnormality incident take place and the positional information of subscriber equipment.
5. as claim 1 or 4 described methods, it is characterized in that described abnormality incident comprises: the power of subscriber equipment reception data is lower than the threshold value of setting; Subscriber equipment generation radio link failure; Subscriber equipment sends RRC connection request message failure; Subscriber equipment sends the targeting signal failure; Subscriber equipment sub-district gravity treatment generation ping-pong; Subscriber equipment reaches the frequent time numerical value of setting at the frequent number of times of minizone gravity treatment; The procedural information of subscriber equipment handoff failure; The transmitting power that subscriber equipment detects adjacent two sub-districts causes interference value to reach one or more combinations in the interference value of setting too by force;
Described reception data service is that signaling is or/and data service.
6. the method for claim 1 is characterized in that, before described recording exceptional state information, also comprises:
Subscriber equipment judges when detecting same abnormality incident, and whether the position difference at this subscriber equipment place greater than the position difference that is provided with, if, recording exceptional state information then; Otherwise, record not then.
7. the method for claim 1 is characterized in that, described subscriber equipment sends to the abnormality information that is write down before the base station of the sub-district of administering this abnormality information of generation, also comprises:
Subscriber equipment at idle pulley enters enable mode, accessing mobile communication network.
8. as claim 1 or 7 described methods, it is characterized in that subscriber equipment sends the base station that the abnormality information that is write down sends to the sub-district of this abnormality information of administration generation by base station under the subscriber equipment:
The base station judges that according to this abnormality information the base station of the sub-district of this abnormality information of administration generation is not self under the subscriber equipment, is transmitted to the base station that administration generates the sub-district of this abnormality information.
9. the method for claim 1 is characterized in that, described base station is according to the abnormality information that receives, and the self-optimizing of carrying out corresponding abnormality incident is:
Described base station judges whether the abnormality information content that receives reaches the value of setting, if, then carry out the self-optimizing of corresponding abnormality incident, if not, then do not carry out the self-optimizing of corresponding abnormality incident.
10. method as claimed in claim 9 is characterized in that, the described self-optimizing of carrying out corresponding abnormality incident is:
Described base station determines that according to abnormality information the abnormality incident is a power that subscriber equipment receives data when being lower than the threshold value of setting or subscriber equipment generation radio link failure, determines that the sub-district of administration covers leak, repairs the leak that covers;
Described base station determines that according to abnormality information the abnormality incident is that subscriber equipment sends RRC connection request message failure or subscriber equipment sends the targeting signal failure, judge whether to cause because transmitted power is low, if, then revise the open loop power setting of subscriber equipment, comprise initial power and step-length power; If not, then the sub-district of administration covers leak, repairs the leak that covers;
Described base station determines that according to abnormality information the abnormality incident is a subscriber equipment sub-district gravity treatment generation ping-pong, then revises the cell reselection parameters of administration;
Described base station determines that according to abnormality information the abnormality incident is subscriber equipment and reaches the frequent time numerical value of setting at the frequent number of times of minizone gravity treatment, and whether decision revises the cell reselection parameters of administering;
Described base station determines that according to abnormality information the abnormality incident is that the transmitting power that subscriber equipment detects adjacent two sub-districts causes interference value to reach the interference value of setting too by force, revises transmitting power;
The subscriber equipment handoff failure is judged according to abnormality information in described base station, need carry out mobile robustness optimization, and then the optimization of subscriber equipment handoff parameter is carried out in the base station according to the handoff failure procedural information of subscriber equipment.
11. the base station of an automatically optimizing mobile communication system is characterized in that, comprises transceiver module, judge module and processing module, wherein,
Transceiver module is used to receive the abnormality information that subscriber equipment sends, and sends to judge module;
Judge module is used for determining corresponding abnormality incident according to abnormality information, and the abnormality incident is sent to processing module;
Processing module is used for carrying out corresponding self-optimizing according to the abnormality incident.
12. base station as claimed in claim 11 is characterized in that, described processing module also is used for carrying out the detection of abnormality incident and reporting by transceiver module indication subscriber equipment;
Described judge module also is used for judging according to abnormality information whether corresponding abnormality incident relates to other base stations, if then by transceiver module this abnormality information is sent to other corresponding base stations.
13. the subscriber equipment of an automatically optimizing mobile communication system is characterized in that, comprising: transceiver module, detection module and logging modle, wherein,
Transceiver module, be used for receive detecting the indication of abnormality incident after, send to detection module;
Detection module is used for carrying out the detection of sub-district, place according to abnormality incident indication, detects the abnormality incident;
Logging modle, be used for the corresponding abnormality information of record institute's abnormality incident that detects after, send to the base station that administration has this abnormality incident sub-district by transceiver module.
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