CN101998463A - Method and system for MDT (Minimization of Drive Tests) - Google Patents
Method and system for MDT (Minimization of Drive Tests) Download PDFInfo
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Abstract
The invention discloses a method for MDT (Minimization of Drive Tests), comprising the following steps that: UE (User Equipment) receives indication information for starting the MDT from a network entity; the UE measures and records measuring parameters associated with the MDT, and/or records MDT associated events, wherein the recorded contents are taken as a measuring log; and the UE reports the recorded measuring log to the network entity. The invention further discloses a system for MDT. The MDT scheme provided by the invention provides a clear MDT start triggering mechanism. Based on above invention design, the embodiment of the invention provides various selectable schemes, thus operators can select the schemes to use according to different requirements and network stages.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly a kind of minimum road test method and system.
Background technology
In current mobile communication system network is optimized, normally adopt the mode of drive test to check the covering quality of network and the expection requirement whether systematic function reaches design, promptly Zhuan Ye network optimization personnel drive and measure the car random walk, measuring terminals is noted incident and the measuring amount in the walking process, offers operator and uses for network optimization decision-making.This drive test all is by manually finishing, need to drop into great amount of manpower and time, bringing very big burden for the networking and the maintenance cost of operator.On the other hand, drive test often can only carry out out of doors, then can't carry out in indoor and some private area, and the network optimization in these places just is difficult to finish by drive test.
In order to reduce the O﹠M cost of network, hope can take certain methods to reduce the work of artificial drive test.On the other hand, also wish to obtain the wireless measurement information in the zone that common drive test can't arrive, based on this, set up a relevant universal mobile telecommunications system Long Term Evolution project (Long Term Evolution-Universal Mobile Telecommunications System at 3GPP RAN2, LTE-UMTS) minimum road test (Minimization ofDrive Tests, research project MDT).
The existing a kind of MDT of prior art system as shown in Figure 1.This MDT system comprises network entity 101 and subscriber equipment (UE) 102, and wherein network entity 101 comprises that Operation and Maintenance strategy and demand strengthen module (OAM policy; Requirement enforencement function) 103 and log store module (log storage) 104, UE 102 comprises log and reporting capabilities module (logging/reporting capability) 105, surveying record functional module (measurement loggingfunction) 106 and measurement report functional module (measurement reporting function) 107.
The concrete signaling process of realization MDT comprises the steps: as shown in Figure 1
The log of step 1:UE102 and reporting capabilities module 105 report UE daily record and reporting capabilities to network entity 101.
Step 2: the Operation and Maintenance strategy of network entity 101 and demand strengthen module 103 and carry out the daily record configuration of UE according to the UE log capability information of receiving, and the daily record configuration information is sent to UE 102.
Step 3: Operation and Maintenance strategy and demand strengthen module 103 and carry out the report configuration of UE according to the reporting capabilities information of the UE that receives, and will report that configuration information sends to UE102.
The surveying record functional module 106 of step 4:UE 102 is according to the daily record configuration information configuration log of receiving, measurement report functional module 107 is according to the report configuration information configuration report relevant parameter of receiving.Surveying record functional module 106 carries out wireless measurement and daily record measured in record, the measurement daily record of being write down is sent to measurement report functional module 107, measurement report functional module 107 with described measurement daily record according to the Report Parameters that has disposed to network entity 101 reporting measurement daily records.The measurement daily record that log store module 104 storages of network entity 101 are received.
The MDT system and method flow process of prior art has following defective: the startup trigger mechanism that lacks MDT.When according to existing minimum road test flow process, UE will not know reporting ability information and will start this minimum road test flow process; Network this flow process of also just having no idea to trigger, the MDT thereby operator also just has no idea to control, this be operator do not wish to see.
Summary of the invention
In view of this, the objective of the invention is to, propose a kind of minimum road test method and system, make minimum road test comprise clear and definite startup trigger mechanism.
A kind of minimum road test method that the embodiment of the invention proposes comprises the steps:
User equipment (UE) receives the indication information from the unlatching minimum road test MDT function of network entity;
UE measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event, and the content that is write down is as measuring daily record;
UE reports the measurement daily record of being write down to network entity.
The embodiment of the invention has also proposed a kind of minimum road test system, comprises subscriber equipment and network entity, and described network entity comprises:
Minimum road test MDT control module is used for sending the indication information of opening the MDT function or the indication information of closing the MDT function to subscriber equipment;
The log store module, the measurement daily record that is used to receive and store user equipment to report;
Described subscriber equipment comprises:
The surveying record functional module is used to receive the indication information from the unlatching MDT function of network entity, measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event, the content that is write down is as measuring daily record; Or reception then stops to write down the operation of measuring daily record from the Indication message of the end MDT function of network entity;
The measurement report functional module is used for the measurement daily record of described surveying record functional module record is reported network entity.
As can be seen from the above technical solutions, the MDT method and system that the embodiment of the invention proposes provide the startup trigger mechanism of clear and definite MDT.And based on the foregoing invention design, the embodiment of the invention provides the plurality of optional scheme, selects to use according to different demands and different network phase for operator.In addition, existing implementation relative complex also takies air interface resource, and implementation provided by the invention is simplified relatively, and has also saved air interface resource.
Description of drawings
Fig. 1 is the MDT system block diagram of prior art;
Fig. 2 is the MDT system block diagram that the embodiment of the invention one proposes;
Fig. 3 is the MDT system block diagram that the embodiment of the invention two proposes;
Fig. 4 is the MDT system block diagram that the embodiment of the invention three proposes;
Fig. 5 is the MDT system block diagram that the embodiment of the invention four proposes;
Fig. 6 is the MDT system block diagram that the embodiment of the invention five proposes;
Fig. 7 is the MDT system block diagram that the embodiment of the invention six proposes;
Fig. 8 is the MDT system block diagram that the embodiment of the invention seven proposes.
Embodiment
Propose a kind of minimum road test method and system, make minimum road test comprise clear and definite startup trigger mechanism.And based on the foregoing invention thinking, proposed multiple implementation at the actual operating state of communication system, operator can select to use according to different demands and different network phase.
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is further elaborated below in conjunction with accompanying drawing.
The MDT system that embodiment one proposes as shown in Figure 2.For solving the problem that network side and operator have no idea to trigger the MDT process, this MDT system does following improvement on the basis of existing technology:
Before the UE of existing MDT realization flow daily record and reporting capabilities information report, the newly-increased correlation step that triggers MDT.Specifically comprise: when operator wished to implement control to MDT, the MDT control module 108 of network entity 101 sent the MDT control messages to UE 102; UE 102 receives described MDT control messages, then the ability information relevant with MDT is reported network entity 101, thereby carries out follow-up MDT process, as shown in Figure 2.Described relevant ability comprises daily record and reporting capabilities.UE 102 receives the trigger condition that the MDT control messages is the equal of MDT.
The MDT control module 103 of described network entity 101 can further include:
Selected cell is used for selecting the UE of UE as the indication information that receives described unlatching MDT function according to one of following principle or combination in any:
For different user's requests and/or the definite principle of selecting UE of measurement parameter.For example, at broadcast channel failure, the configuration accumulative total frequency of failure reaches particular value and just writes down how many times and just write down and the reporting measurement daily record; Perhaps drop to predefined threshold value with regard to opening entry and reporting measurement daily record at pilot power; Perhaps particular moment reporting measurement daily record in a day etc.
In UE, select all or part of UE near cell edge or covering hole region;
In the UE that access failure at random or conflict take place, select all or part of UE;
Select friendly user or the commercial UE of examination;
The all or part of UE of selection among the UE in the sub-district of network index deteriorated area or generation network congestion;
Selection is installed on the UE on vehicle or other vehicles.
Flow process based on the MDT realization MDT of system shown in Figure 2 comprises the steps:
Step 201: which terminal operator can choose and which user carries out MDT by the webmaster setting, and is arranged on when begin to carry out MDT or MDT etc. is opened in configuration, by network entity the MDT configuration information is sent to selected UE then.Described MDT configuration information can send to UE by broadcast signaling or proprietary signaling.If broadcast signaling, the then sign of carrying UE in this broadcast signaling.UE can judge whether this signaling sends to oneself according to the UE that carries in broadcast signaling sign and self identification be whether identical like this.
Network entity can select the UE that is fit to carry out MDT according to one of following principle or combination in any:
(1), determine to select the principle of UE, report some to measure by UE then and LOG assists SON and minimum road test, the network optimization for different use-case demands and measurement parameter;
(2) need report near cell edge or the UE that covers the cavity with switching, measurement (RSCP/RSRQ) that coverage optimization is relevant;
(3), for concrete use-case (such as insert at random, handoff parameter optimization) relevant can be whole UE, also can be a part wherein, some UE of access failure at random or conflict particularly take place;
(4), general network quality index statistics can select friendly reporting of user, operator can give preferential with some rate, operator also can provide coin free service on probation;
(5), for network index deteriorated area (such as the New-deployed Network area), operator can randomly draw that certain proportion UE do to follow the tracks of and measurement reports requirement, ratio can be controlled by operator; The UE of the sub-district of network congestion perhaps takes place;
(6), operator can require special users to report (global positioning satellite (GPS) function is arranged, be easy to cover large area region, particularly do not have the area that the fixed personnel occurs, or the like).For example, because the UE on the vehicle has the GPS function usually, can require the UE that is installed on vehicle or other vehicles to report.Preferably, described vehicle can provide public service or the professional vehicle of operation, for example taxi, sweeper, bus, traffic police's vehicle or patrol vehicle etc.;
After step 202:UE receives the MDT configuration information, the correlation energy force information of supporting MDT is reported network entity.These correlation energy force informations include but not limited to following one or more combination:
The terminal type of-UE (as ordinary terminal, PDA, data card) etc.;
-memory size;
-energy which measurement parameter of log or incident;
-stationkeeping ability (whether have positioning function, and support which locate mode, as GPS, the downlink observed time of advent poor (Observed Time Difference Of Arrival, OTDOA) etc.);
Step 203: after network entity is received the ability information of UE, judge whether to be MDT, only the user that can be MDT is carried out subsequent process according to the UE ability information.For example, if UE do not have positioning function, owing to can not report its positional information, so it is just little to do the meaning of MDT, so just not be MDT for the UE that does not have positioning function.
Step 204: network entity sends the configuration information of Log Report to UE that can MDT;
Promptly according to the configuration information of the Log Report of being received, measurement and the relevant measurement parameter of record perhaps write down dependent event to step 205:UE, and the content that is write down is as measuring daily record; And report the measurement daily record of being write down to network entity according to the mode that configuration information disposed of Log Report.
The MDT system that embodiment two proposes as shown in Figure 3.In this embodiment, the MDT function is fused in Operation and Maintenance strategy and the demand enhancing module 103, Operation and Maintenance strategy and demand strengthen module 103 and comprise MDT control module 108.
MDT flow process based on MDT system shown in Figure 3 is as follows:
Step 301:UE 102 is when carrying out Radio Resource control (RRC) connection, and UE reports network entity 101 to relevant daily record and reporting capabilities information.
Step 302: MDT are opened in MDT control module 108 decision of network entity 101, and after Operation and Maintenance strategy and demand strengthen the ability that module 103 storage UE report, and send to UE 102 and carry the daily record configuration information of the signaling of whether opening MDT.
Step 303: Operation and Maintenance strategy and demand strengthen module 103 and carry out the report configuration of UE according to the reporting capabilities information of the UE that receives, and will report that configuration information sends to UE102.
The surveying record functional module 106 of step 304:UE 102 is according to the daily record configuration information configuration log of receiving, measurement report functional module 107 is according to the report configuration information configuration report relevant parameter of receiving.Surveying record functional module 106 carries out wireless measurement and daily record measured in record, the measurement daily record of being write down is sent to measurement report functional module 107, measurement report functional module 107 with described measurement daily record according to the Report Parameters that has disposed to network entity 101 reporting measurement daily records.The measurement daily record that log store module 104 storages of network entity 101 are received.
The MDT system that embodiment three proposes as shown in Figure 4.The MDT of the known UE of the network entity ability of being correlated with, measurement, daily record, report mechanism can be joined.This pattern is applicable to some mobile phones of carrier customization.In this case because therefore the known UE MDT of network side ability does not need to report the UE ability.As for whether opening two kinds of methods that the MDT function can adopt embodiment one.This embodiment can omit the log and the reporting capabilities module 105 of UE side, has also reduced UE reporting ability process simultaneously.
The MDT system of embodiment four as shown in Figure 5.At the beginning of network design, network coverage each side also is not very desirable probably.Traditional way is to do a large amount of drive tests to come the awareness network coverage condition and adjust relevant parameter etc.After introducing MDT, wish to reduce the workload of artificial drive test as far as possible.Offer friendly user or commercial because during this time being in does not formally distribute telephone numbers as yet or have only the stage of distributing telephone numbers on a small quantity, operator generally to customize a certain amount of user terminal to domestic consumer's examination.The user terminal of these customizations just can write down the needed information of some MDT and report network so, is used for network coverage optimization and other Parameter Optimization thereof (parameter optimization relevant as mobility).
Because this part user terminal is a carrier customization, just can be in custom terminal, production firm claims to terminal, for the daily record configuration information of carrying out the needed UE daily record of MDT (comprise mode, the log of log time, opening entry daily record time and/or write down which measurement parameter or incident etc.) and/or the report configuration information (comprise the mode that reports institute's log; The described mode that reports institute's log comprise periodically report, based on absolute time and/or based on terminal buffers etc.) write terminal.Operator is in custom terminal, many moneys terminal that often also customization capability is different, as comprise regular handset, PDA, data card etc., log capability and hold capacity that every kind of terminal is used to be MDT generally are different, and operator can be according to the difference of the aforementioned capabilities of every kind of terminal, the daily record configuration information that adapts with terminal capability is set and/or reports configuration information and write terminal.
Preferably, the present embodiment scheme generally is applied to the starting stage of network design.Under this application scenarios, the known UE MDT of network entity ability; The configuration mechanism of daily record, report does not need network to be configured by air interface.The configuration information of relevant MDT, as to open and close of MDT etc., can be by following dual mode:
Mode 1: send to UE by air interface by network entity;
Mode 2: in the carrier customization terminal, the MDT configuration information is write terminal.
For mode 2, acquiescence terminal one networks as long as start will be opened MDT, closes MDT during shutdown; For mode 1, operator can be when needs carry out MDT writes daily record configuration mode and the report configuration mode starting log and the Log Report of terminal, closing journal and Log Report when not wishing to carry out MDT according to custom terminal the time.
The criterion of the criterion of UE log and report can be arranged fully in advance in this case, so just can save a large amount of signaling processes, thereby save corresponding air interface resource, and needing to avoid operator to pass through network configuration daily record configuration mode and report configuration mode, provide a kind of at the beginning of network design, used the mode of MDT easily under the application scenarios of a large amount of custom terminals.
The MDT system of embodiment five as shown in Figure 6, the MDT flow process that realizes based on this system comprises the steps:
Step 401: which terminal operator can choose and which user carries out MDT by the webmaster setting, and network entity sends UE capability query information to selected user, inquires about the relevant ability information in MDT.Described UE capability query information can send by broadcast signaling or proprietary signaling.
After step 402:UE received the MDT configuration information, supporting the relevant ability of MDT to report network entity, these relevant abilities comprised following one or more combination, are not limited to following information:
The terminal type of-UE (as ordinary terminal, PDA, data card) etc.;
-memory size;
-can write down which measurement parameter and/or incident;
-stationkeeping ability (whether have positioning function, and support which locate mode, as GPS, OTDOA etc.);
For saving air interface resource, can locate several ranks to the aforementioned capabilities of UE, the corresponding rank indication code of each rank, for example:
Rank indication code 0 corresponding MDT ability grade 1;
Rank indication code 1 corresponding MDT ability grade 2;
Rank indication code 2 corresponding MDT ability grades 3;
.....
Described UE is supporting the relevant ability of MDT to report network entity, in fact be exactly UE aloft interface send the rank indication code of self-ability rank correspondence to network entity.
Step 403: after network entity is received the ability information of UE, judge whether to be MDT, only the user that can be MDT is carried out subsequent process according to the UE ability information.For example, if UE do not have positioning function, owing to can not report its positional information, so it is just little to do the meaning of MDT, so just not be MDT for the UE that does not have positioning function.
Step 404: network entity is to judging that the UE that can carry out MDT sends the MDT configuration information, and described MDT configuration information comprises the configuration information of log and the configuration information of log report;
When implementing, for saving air interface resource, can be defined as some set to the MDT configuration information, the corresponding configuration indication code of each set, for example:
Configuration indication code 0 corresponding MDT configuration set 1;
Configuration indication code 1 corresponding MDT configuration set 2;
Configuration indication code 2 corresponding MDT configuration sets 3;
.....
Described network entity sends the MDT configuration information to UE: network entity is selected corresponding M DT configuration set at described UE, and the configuration indication code of selected MDT configuration set correspondence is sent to UE.
Step 404:UE is according to the corresponding MDT configuration set of being received of configuration indication code inquiry, the measurement parameter that the mode of setting according to described MDT configuration set is correlated with or the record of incident, the content of record is as measuring daily record, and according to the mode reporting measurement daily record of MDT configuration set appointment.
The MDT system of embodiment six as shown in Figure 7, the MDT flow process that realizes based on this system comprises the steps:
Step 501: operator and/or UE production firm write UE to the configuration information of MDT (configuration information of the configuration information of log and log report) before custom terminal enters network;
Step 502:UE promptly carries out MDT according to the configuration mode of above-mentioned MDT, i.e. the mode of setting according to the configuration information of the log measurement parameter of being correlated with or the log of incident, and report according to the mode that configuration information disposed of log report.
The MDT system of embodiment seven as shown in Figure 8, the MDT flow process that realizes based on this system comprises the steps:
Step 601: operator and/or UE production firm write UE to the configuration information of MDT (configuration information of daily record and the configuration information of Log Report) before custom terminal enters network;
Step 602: before the user uses the MDT terminal entering network, the configuration information (configuration information of the configuration information of log and/or log report) of MDT is informed network entity.As operator as required, the ability information of user who is used for MDT and employed terminal thereof, the configuration information of MDT (configuration information of the configuration information of log and/or log report) etc. is input in the network, so that network also can be understood the relevant configuration information of MDT.
Step 603:UE promptly carries out MDT according to the configuration mode of above-mentioned MDT, i.e. the mode of setting according to the configuration information of the log measurement parameter of being correlated with or the record of incident, and report according to the mode that configuration information disposed of Log Report;
Embodiment eight:
At the network design initial stage, adopt the mode of embodiment five or embodiment six to carry out MDT configuration (comprising the configuration of log and/or the configuration of log report) to friendly user or the employed terminal of user on probation; Finish as friendly user and/or between user's on probation trial period or free time, described friendly user or user on probation are converted to general charge user, then can use the configuration mode among embodiment one or the embodiment four to be configured, this moment, network was generally relatively stable, generally do not need frequently to be optimized in must be on a large scale, this moment, operator can be as required, these users are carried out reconfiguring of MDT, as selecting these users or certain user wherein closed MDT, perhaps the partial parameters in the configuration of the configuration of log and/or log report to be made amendment etc.
According to above each embodiment that provides, the minimum road test system that the present invention proposes comprises subscriber equipment and network entity, and described network entity comprises:
Minimum road test MDT control module is used for sending the indication information of opening the MDT function or the indication information of closing the MDT function to subscriber equipment; The indication information of described unlatching MDT function or the indication information of closing the MDT function are for sending by broadcast signaling or proprietary signaling.
The log store module, the measurement daily record that is used to receive and store user equipment to report;
Described subscriber equipment comprises:
The surveying record functional module is used to receive the indication information from the unlatching MDT function of network entity, measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event, the content that is write down is as measuring daily record; Or reception then stops to write down the operation of measuring daily record from the Indication message of the end MDT function of network entity;
The measurement report functional module is used for the measurement daily record of described surveying record functional module record is reported network entity.
The MDT control module of described network entity further comprises:
Selected cell is used for selecting the UE of UE as the indication information that receives described unlatching MDT function according to one of following principle or combination in any:
User's request and/or measurement parameter according to reality are selected corresponding UE;
In UE, select all or part of UE near cell edge or covering hole region;
In the UE that access failure at random or conflict take place, select all or part of UE;
Select friendly user or the commercial UE of examination;
The all or part of UE of selection among the UE in the sub-district of network index deteriorated area or generation network congestion;
Selection is installed on the UE on vehicle or other vehicles.
Preferably, the surveying record functional module of described subscriber equipment further comprises the daily record dispensing unit, is used for the storing daily record configuration information;
Described surveying record functional module is measured according to described daily record dispensing unit stored log configuration information and the relevant measurement parameter of record MDT, and/or record MDT dependent event;
And/or,
Described measurement report functional module further comprises the report dispensing unit, is used for the storage report configuration information; Described measurement report functional module reports network entity according to the report configuration information of described report dispensing unit storage with the measurement daily record that described surveying record functional module writes down.
Preferably, described network entity further comprises:
Operation and Maintenance strategy and demand strengthen module, are used for generation and send daily record configuration information and/or report configuration information to subscriber equipment;
And the described daily record dispensing unit in the subscriber equipment is used to receive and store the daily record configuration information from network entity; Described report dispensing unit is used to receive and store the report configuration information from network entity.
Described daily record configuration information comprises:
Time of the mode of log, the time of log, opening entry daily record and/or write down which measurement parameter or incident.
Described report configuration information comprises the mode that reports institute's log; The described mode that reports institute's log comprise periodically report, based on absolute time and/or based on terminal buffers.
Described Operation and Maintenance strategy and demand strengthen module and further comprise:
The configuration indicating member is used to store the daily record configuration set that sets in advance and/or report configuration set, and with described daily record configuration set and/or the corresponding configuration identifier sign indicating number of report configuration set;
Described Operation and Maintenance strategy and demand strengthen module and inquire about described configuration indicating member according to daily record configuration information that is generated and/or report configuration information, find corresponding configuration identifier sign indicating number, and send described configuration identifier sign indicating number to subscriber equipment.
In certain embodiments, described MDT control module can be that Operation and Maintenance strategy and demand strengthen a submodule in the module.
Preferably, the Operation and Maintenance strategy of described network entity and demand strengthen the message that module is further used for sending to subscriber equipment inquiry log ability and/or reporting capabilities;
Described subscriber equipment further comprises:
Log and reporting capabilities module are used to receive from the inquiry log ability of network entity and/or the message of reporting capabilities, and self log capability and/or reporting capabilities information is reported to network entity.
Preferably, described subscriber equipment further comprises:
Log and reporting capabilities module are used for when subscriber equipment carries out the Radio Resource control connection, and log capability and/or reporting capabilities information are reported network entity.
Described log and reporting capabilities module can further include:
The ability grade indicating member is used to store the MDT ability grade that sets in advance and the rank indication code corresponding with described MDT ability grade;
Described log and reporting capabilities module are used for obtaining corresponding rank indication code according to log capability of self and/or the described ability grade indicating member of reporting capabilities information inquiry, and described rank indication code is sent to network entity.
The MDT method and system that the embodiment of the invention proposes provide the startup trigger mechanism of clear and definite MDT.And based on the foregoing invention design, the embodiment of the invention provides the plurality of optional scheme, selects to use according to different demands and different network phase for operator.In addition, existing implementation relative complex also takies air interface resource, and implementation provided by the invention is simplified relatively, and has also saved air interface resource.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (26)
1. a minimum road test method is characterized in that, comprises the steps:
User equipment (UE) receives the indication information from the unlatching minimum road test MDT function of network entity;
UE measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event, and the content that is write down is as measuring daily record;
UE reports the measurement daily record of being write down to network entity.
2. method according to claim 1 is characterized in that, described UE further comprises after network entity reports the step of the measurement daily record of being write down:
UE receives the indication information of closing the MDT function from network entity, then stops record and measures daily record.
3. method according to claim 1 and 2 is characterized in that, the indication information of described unlatching MDT function from network entity or the indication information of closing the MDT function are for sending by broadcast signaling or proprietary signaling.
4. method according to claim 1 is characterized in that, described UE receives before the indication information from the unlatching MDT function of network entity, further comprises the steps:
Network entity is selected the UE of UE as the indication information that receives described unlatching MDT function according to one of following principle or combination in any:
User's request and/or measurement parameter according to reality are selected corresponding UE;
In UE, select all or part of UE near cell edge or covering hole region;
In the UE that access failure at random or conflict take place, select all or part of UE;
Select friendly user or the commercial UE of examination;
The all or part of UE of selection among the UE in the sub-district of network index deteriorated area or generation network congestion;
Selection is installed on the UE on vehicle or other vehicles.
5. method according to claim 1 is characterized in that, described UE measures and the relevant measurement parameter of record MDT, and/or before the step of record MDT dependent event, further comprises:
UE receives from the daily record configuration information of network entity and/or report configuration information.
6. method according to claim 5 is characterized in that, described daily record configuration information comprises:
Time of the mode of log, the time of log, opening entry daily record and/or write down which measurement parameter or incident.
7. method according to claim 5 is characterized in that, described report configuration information comprises the mode that reports institute's log; The described mode that reports institute's log comprise periodically report, based on absolute time and/or based on terminal buffers.
8. method according to claim 5 is characterized in that, described daily record configuration information and/or report configuration information from network entity is the configuration indication code of predefined MDT configuration set correspondence.
9. according to each described method of claim 5 to 8, it is characterized in that described UE receives from before the daily record configuration information of network entity and/or the report configuration information, further comprises:
UE receives from the inquiry log ability of network entity and/or the message of reporting capabilities, and self log capability and/or reporting capabilities information is reported to network entity; Perhaps,
UE reports network entity with log capability and/or reporting capabilities information when carrying out the Radio Resource control connection.
10. method according to claim 9 is characterized in that, log capability and/or reporting capabilities information that described UE reports network entity are the rank indication code of predefined MDT ability grade correspondence.
11. method according to claim 9 is characterized in that, the competence set that described MDT ability grade is formed corresponding to terminal type, memory size, the measurement parameter that can write down and/or incident and/or the stationkeeping ability of UE.
12. method according to claim 1 is characterized in that, described UE measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event is:
Measure and the relevant measurement parameter of record minimum road test MDT by local daily record configuration information according to being pre-configured in for UE, and/or record MDT dependent event.
13. method according to claim 1 is characterized in that, described UE reports the measurement daily record of being write down to be to network entity: UE reports the measurement daily record of being write down according to the configuration information that is pre-configured in local Log Report to network entity.
14. according to claim 12 or 13 described methods, it is characterized in that, described UE measures and the relevant measurement parameter of record MDT, and/or before the step of record MDT dependent event, further comprise: UE will be pre-configured in local daily record configuration information and/or the configuration information of Log Report reports network entity.
15. a minimum road test system comprises subscriber equipment and network entity, it is characterized in that, described network entity comprises:
Minimum road test MDT control module is used for sending the indication information of opening the MDT function or the indication information of closing the MDT function to subscriber equipment;
The log store module, the measurement daily record that is used to receive and store user equipment to report;
Described subscriber equipment comprises:
The surveying record functional module is used to receive the indication information from the unlatching MDT function of network entity, measures and the relevant measurement parameter of record MDT, and/or record MDT dependent event, the content that is write down is as measuring daily record; Or reception then stops to write down the operation of measuring daily record from the Indication message of the end MDT function of network entity;
The measurement report functional module is used for the measurement daily record of described surveying record functional module record is reported network entity.
16. system according to claim 15 is characterized in that, the indication information of described unlatching MDT function or the indication information of closing the MDT function are for sending by broadcast signaling or proprietary signaling.
17. system according to claim 15 is characterized in that, the MDT control module of described network entity further comprises:
Selected cell is used for selecting the UE of UE as the indication information that receives described unlatching MDT function according to one of following principle or combination in any:
User's request and/or measurement parameter according to reality are selected corresponding UE;
In UE, select all or part of UE near cell edge or covering hole region;
In the UE that access failure at random or conflict take place, select all or part of UE;
Select friendly user or the commercial UE of examination;
The all or part of UE of selection among the UE in the sub-district of network index deteriorated area or generation network congestion;
Selection is installed on the UE on vehicle or other vehicles.
18. system according to claim 15 is characterized in that,
The surveying record functional module of described subscriber equipment further comprises the daily record dispensing unit, is used for the storing daily record configuration information;
Described surveying record functional module is measured according to described daily record dispensing unit stored log configuration information and the relevant measurement parameter of record MDT, and/or record MDT dependent event;
And/or,
Described measurement report functional module further comprises the report dispensing unit, is used for the storage report configuration information; Described measurement report functional module reports network entity according to the report configuration information of described report dispensing unit storage with the measurement daily record that described surveying record functional module writes down.
19. system according to claim 18 is characterized in that, described network entity further comprises:
Operation and Maintenance strategy and demand strengthen module, are used for generation and send daily record configuration information and/or report configuration information to subscriber equipment;
Described daily record dispensing unit is used to receive and store the daily record configuration information from network entity;
Described report dispensing unit is used to receive and store the report configuration information from network entity.
20. system according to claim 18 is characterized in that, described daily record configuration information comprises:
Time of the mode of log, the time of log, opening entry daily record and/or write down which measurement parameter or incident.
21. system according to claim 18 is characterized in that, described report configuration information comprises the mode that reports institute's log; The described mode that reports institute's log comprise periodically report, based on absolute time and/or based on terminal buffers.
22. system according to claim 19 is characterized in that, described Operation and Maintenance strategy and demand strengthen module and further comprise:
The configuration indicating member is used to store the daily record configuration set that sets in advance and/or report configuration set, and with described daily record configuration set and/or the corresponding configuration identifier sign indicating number of report configuration set;
Described Operation and Maintenance strategy and demand strengthen module and inquire about described configuration indicating member according to daily record configuration information that is generated and/or report configuration information, find corresponding configuration identifier sign indicating number, and send described configuration identifier sign indicating number to subscriber equipment.
23. system according to claim 19 is characterized in that, described MDT control module is that Operation and Maintenance strategy and demand strengthen a submodule in the module.
24., it is characterized in that the Operation and Maintenance strategy of described network entity and demand strengthen the message that module is further used for sending to subscriber equipment inquiry log ability and/or reporting capabilities according to claim 19,22 or 23 described systems;
Described subscriber equipment further comprises:
Log and reporting capabilities module are used to receive from the inquiry log ability of network entity and/or the message of reporting capabilities, and self log capability and/or reporting capabilities information is reported to network entity.
25., it is characterized in that described subscriber equipment further comprises according to each described system of claim 16 to 23:
Log and reporting capabilities module are used for when subscriber equipment carries out the Radio Resource control connection, and log capability and/or reporting capabilities information are reported network entity.
26. system according to claim 24 is characterized in that, described log and reporting capabilities module further comprise:
The ability grade indicating member is used to store the MDT ability grade that sets in advance and the rank indication code corresponding with described MDT ability grade;
Described log and reporting capabilities module are used for obtaining corresponding rank indication code according to log capability of self and/or the described ability grade indicating member of reporting capabilities information inquiry, and described rank indication code is sent to network entity.
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210604 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |