CN103369563A - Method for minimization of drive test (MDT) and terminal for implementing method - Google Patents
Method for minimization of drive test (MDT) and terminal for implementing method Download PDFInfo
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Abstract
The invention discloses a method for minimization of drive test (MDT) and a terminal for implementing the method, which can avoid providing location information which is not used by a network side, thereby saving air interface resources. The method comprises that the terminal checks whether an MDT measuring object meets requirements of associated location information or not after receiving MDT configuration information, and the terminal provides the location information thereof for the network side only when the MDT measuring object is judged to meet the requirements of the associated location information. The terminal comprises a receiving module, a checking module and a reporting module. The method and the terminal disclosed by the invention prevent the terminal from providing invalid location information under the premise that a normal MDT measurement result of the network side can be associated with the specific location information, thereby saving air interface resources, improving the use efficiency of the MDT, and finally promoting the network performance.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of minimum road test method and the terminal that realizes the method in the wireless communication system.
Background technology
Utilize special equipment to carry out cost and the complexity of artificial drive test in order to reduce operator, third generation partnership project (3GPP, Third Generation Partnership Projects) at universal land radio access web (UTRAN, Universal Terrestrial Radio Access Network, comprise base station node B and radio network controller (RNC)) and the universal land radio access web (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network, comprising evolution base station eNB) version 10 (Release-10) of system begins to introduce minimum road test (MDT, Minimization of Drive Test) function.Core net (the CN that UTRAN is corresponding, Core Network) comprises host-user server (location register (HSS), Home Subscriber Server), Mobile Switching Center Server (MSC Server, Mobile Switching Centre Server), the GPRS Support Node (SGSN of service, Serving GPRS Support Node, GPRS-General Packet Radio Service-GPRS) etc.The core net CN that E-UTRAN is corresponding comprises host-user server location register (HSS), mobile management entity (MME, Mobile Management Entity) etc.Minimum road test functional utilization subscriber equipment (UE, User Equipment, or be called terminal) automatically collect metrical information and report to wireless access network (RAN by chain of command (Control Plane) signaling, Radio Access Network, refer to RNC for the UTRAN system, refer to eNB for the E-UTRAN system), report to Operation ﹠ Maintenance System (OAM by wireless access network again, Operation And Maintenance) entity (TCE is collected in tracking, Trace Collection Entity), be used for the network optimization, for example find and solve network coverage problem.
The MDT function is divided into based on the MDT (Management based MDT) of management with based on the MDT (Signaling based MDT) of signaling.Based on the activation of MDT of management normally (take the E-UTRAN system as example, below all with) OAM (Operation and Maintenance or claim network management system) sends the tracking that comprises the MDT configuration and activates message (Trace session activation) to eNB, eNB selects suitable UE in the zone of this message specifies (Area), and described MDT configuration information is sent to the UE that chooses.To send the tracking that comprises the MDT configuration by OAM to activate message (Trace session activation) and measure to activate the MDT that specifies UE to location register (HSS) (Home Subscriber Server) based on the activation of the MDT of signaling, location register (HSS) sends to MME with the MDT configuration information of described UE, MME sends to eNB with the MDT configuration information of this UE, and eNB the most at last MDT configuration information sends to UE.MDT based on signaling uses IMSI International Mobile Subscriber Identity (IMSI usually, International Mobile Subscriber Identity) or international mobile station device identification (IMEI, International Mobile Station Equipment Identity) specifies certain UE, or add that area information is with the selection of restriction UE.Based on track reference (Trace Reference) information that comprises in the MDT that manages and the tracking activation message based on signaling from OAM, comprising public land mobile network (Public Land Mobile Network, PLMN) information, by Mobile Country Code MCC (Mobile country code, MCC) and Mobile Network Code (Mobile Network code, MNC) form.
The MDT function is operated in Idle state and is operated in connected state according to it and can be divided into two kinds of mode of operations, is specially " record minimum road test (Logged MDT) " and " immediately minimum road test (Immediate MDT) ".The record minimum road test refers to that UE controls idle condition at Radio Resource and (refers to the RRC_IDLE state for the E-UTRAN system; Also comprise cell paging channel status (CELL_PCH) and UTRAN Acceditation Area paging channel state (URA_PCH) for the UTRAN system), when the condition that disposes satisfies, collect and store when correlation measurement information is used for receiving wireless access network (RAN) order request in the future and report, after wireless access network (RAN) is received described data, gather or directly be transmitted to TCE.Minimum road test refers to that UE (refers to the RRC_CONNECTED state for the E-UTRAN system at Radio Resource control connection state immediately; Refer to cell dedicated channel status (CELL_DCH) for the UTRAN system) time collect correlation measurement information and when report condition is satisfied in report active upload to wireless access network (RAN), after wireless access network (RAN) receives report, gather or directly report is passed to TCE.
The immediately measurement of minimum road test has M1 and M2 to measure two kinds in the measurement of E-UTRAN at present, what the M1 of E-UTRAN was UE according to 36.214 agreements requires measuring reference signals received power (RSRP, Reference Signal Received Power) and Reference Signal Received Quality (RSRQ, Reference Signal Received Quality), this measurement can be periodic measurement or Event triggered measurement, the M2 measurement of E-UTRAN is according to 36.213 protocol measure power levels (PH, Power Headroom); In the UTRAN side M1 is arranged at present, M2, M3 measures, and the M1 measurement of UTRAN is to receive reference code power (RSCP according to 25.215 protocol measures, Received Signal Code Power) parameter such as, this measurement can be that periodic measurement or Event triggered are measured; The M2 measurement of UTRAN is to measure parameters such as receiving reference code power according to agreement 25.255, and this measurement can be periodic measurement or Event triggered measurement; The M3 measurement of UTRAN is according to parameters such as agreement 25.255 test signal to noise ratios (SIR).
The target that MDT QoS (Quality of Service, service quality) measures provides the data analysis network performance.MDT QoS measures and is used for discovery to the key link of network performance impact, finds whether to be necessary to adjust network configuration parameters or the network capacity extension.In the network early deployment or when using on a large scale, this function all can be used for detecting the service quality of UE and experience the requirement whether (QoE, Quality of experience) satisfies the network planning.The work that existing artificial drive test has QoS to measure equally, but the cost of artificial drive test is higher, and also some specific zone can't use artificial drive test fully to measure.Therefore MDT QoS measurement adopts the UE of some to report the QoS when using business to measure, and provides the measurement data of statistical significance for operator.
The method that MDT QoS measures is measured the method for (Layer2 measurements) based on existing layer two.Existing layer two is measured regulation in agreement 36.314, data for some performances that provide the webmaster side to pay close attention to, packet message throughput (IP Throughput) for example, message delay (packet delay), packet loss (Data Loss) etc. are measured.These are measured all and carry out in the eNB side, and UE does not participate in actual measurement.
In the prior art for example in the E-UTRAN network, eNB can realize layer two measurement to particular UE, can carry out MDT QoS based on this measures, measure such as throughput (Throughput) etc., concerning operator, this measurement result is associated with more specific location information and just more is of practical significance, and the more specific location information of MDT comprises latitude and longitude information at least in the prior art, can also comprise the information such as height; If measurement result shows existing capacity and can't satisfy the throughput requirement, operator can consider to serve impression at particular location deploy small base station to solve the user, if described network side measurement result can't be associated together with more specific location information, operator then need to could determine to install by artificial drive test the more specific location information of small base station.Therefore be necessary to provide the network side MDT QoS more specific location information of measurement result.
Access Network relies on the positional information that terminal provides in disclosed technology, two kinds of main presentation modes are arranged in the public technology, a kind of mode is that terminal is at per cycle record or when reporting, available at that time positional information is provided, and another kind of mode is that the requirement of terminal accessed network initiatively triggers and obtains positional information and offer network.Which kind of mode no matter, terminal is when providing positional information, if network side does not use this positional information, then in this case terminal positional information is provided is invalid, taken valuable air interface resource; For example obtain positional information and offer in the situation of network initiatively triggering, if network side does not use this positional information, then initiatively trigger the behavior of obtaining positional information and not only take valuable air interface resource, and consumed the electric energy of terminal preciousness.If but terminal does not provide positional information, the final measurement result of MDT does not have again positional information to bind.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of minimum road test method and realizes the terminal of the method, can avoid providing the positional information of not used by network side, saves interface-free resources.
For solving the problems of the technologies described above, the invention provides a kind of minimum road test (MDT) method, comprising:
After terminal receives the MDT configuration information, check whether the MDT measuring object satisfies the requirement of relative position information, terminal only when judging that the MDT measuring object satisfies the relative position information requirements, provides the positional information of this terminal to network side.
Further, the requirement of described relative position information comprises time requirement and business need, requires and business need when all satisfying when the time, thinks and satisfies the relative position information requirements.
Further, described time requirement comprises that the positional information of terminal when providing positional information to network side is still effective; The traffic carrying capacity that described business need is included in the business that the MDT measuring object is corresponding in the term of validity of positional information surpasses predetermined threshold value.
Further, when terminal is preserved positional information, described terminal checks whether the MDT measuring object satisfies the relative position information requirements, comprise: judge whether before the deadline described positional information, if not before the deadline, then check result is not for satisfying the relative position information requirements, if before the deadline, then judge in the term of validity of described positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements.
Further, the valid interval of the acquisition time ± positional information of the term of validity=positional information of described positional information.
Further, when terminal is not preserved positional information, described terminal checks whether the MDT measuring object satisfies the relative position information requirements, comprise: determine the term of validity of positional information, judge in this term of validity whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements; Described method also comprises: terminal checks when the MDT measuring object satisfies the relative position information requirements that terminal triggers obtains positional information.
Further, the valid interval of the acquisition time-positional information of the term of validity=positional information of described positional information.
For solving the problems of the technologies described above, the present invention also provides a kind of terminal that realizes minimum road test (MDT), comprises receiver module, checking module and reporting module, wherein:
Described receiver module is used for receiving the MDT configuration information;
Described checking module is used for checking whether the MDT measuring object satisfies the requirement of relative position information;
Described reporting module is used for providing the positional information of this terminal to network side when described checking module judges that the MDT measuring object satisfies the relative position information requirements.
Further, the requirement of described relative position information comprises time requirement and business need, requires and business need when all satisfying when the time, thinks and satisfies the relative position information requirements.
Further, described time requirement comprises that the positional information of terminal when providing positional information to network side is still effective; The traffic carrying capacity that described business need is included in the business that the MDT measuring object is corresponding in the term of validity of positional information surpasses predetermined threshold value.
Further, described terminal also comprises logging modle, is used for preserving the positional information of described terminal;
When described checking module is preserved the positional information of described terminal in described logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: judge whether before the deadline described positional information, if not before the deadline, then check result is not for satisfying the relative position information requirements, if before the deadline, then judge in the term of validity of described positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements.
Further, the valid interval of the acquisition time ± positional information of the term of validity=positional information of described positional information.
Further, described terminal also comprises logging modle and position information acquisition module, and described logging modle is for the positional information of preserving described terminal;
When described checking module is not preserved the positional information of described terminal in described logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: the term of validity of determining positional information, judgement is in this term of validity, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result triggers described position acquisition module for satisfying the relative position information requirements;
Described position information acquisition module is used for obtaining the positional information of terminal when described checking module triggers.
Further, the valid interval of the acquisition time-positional information of the term of validity=positional information of described positional information.
Embodiment of the invention method and terminal are guaranteeing that network side is under its normal MDT measurement result can the prerequisite of related more specific location information, avoid terminal that inoperative position information (inoperative position information refer to do not used by network side positional information) is provided, thereby saved interface-free resources, improve the service efficiency of MDT, and finally promote network performance.
Embodiment of the invention method and terminal are applicable to be applicable to immediately MDT based on the MDT of management with based on the MDT of signaling, are applicable to E-UTRAN and UTRAN system.
Description of drawings
Fig. 1 is minimum road test terminal structure schematic diagram;
Fig. 2 is the embodiment of the invention 1 flow chart;
Fig. 3 is the embodiment of the invention 2 flow charts.
Embodiment
In order to guarantee that network side under its normal MDT measurement result can the prerequisite of related more specific location information, avoids terminal that inoperative position information is provided, therefore need terminal further to check the reason that inoperative position information triggers.According to prior art, network side is that MDT measuring object configuration MDT separates with the professional actual conditions of MDT measuring object, namely when the MDT configuration distributing, whether measuring object exists the business network side uncontrollable, terminal constantly provided positional information after this had just caused configuration distributing, and some positional information is fully useless to network side.Therefore in this case, if terminal can be identified the scene of invalid measurement and avoid providing positional information under invalid situation, just can reach the purpose of saving interface-free resources and terminal electric energy.
This paper provides following methods:
Terminal judges whether the MDT measuring object satisfies the relative position information requirements after receiving the MDT configuration information, and terminal only when judging that the MDT measuring object satisfies the relative position information requirements, provides the positional information of this terminal to network side.
Above-mentioned MDT measuring object refers to that network side carries out the MDT measuring object that MDT measures in the MDT configuration information that terminal receives, comprises at least the object of measurement, such as throughput (Throughput) or data volume (data volume) etc.Alternatively, can also comprise business information, by the configuration of MDT configuration information, be used to indicate the corresponding business of this MDT measuring object, can indicate by traffic direction and/or type of service.If there is not comprise in the MDT measuring object business information, then can be defaulted as is for all business.For example can indicate in the configuration and be uplink service and/or be downlink business; Can also indicate in the configuration in addition is business or all types of business of terminal of certain quality of service type sign (QCI, QoS Class Identifier).Describe as an example of throughput example, if MDT configuration middle finger is shown uplink service, then the MDT measuring object is the throughput of uplink service, if MDT disposes the business of also having indicated certain QCI in addition, then the MDT measuring object is the throughput of certain QCI uplink service.
The requirement of relative position information comprises time requirement and business need, only when time requirement and business need all satisfy, just thinks to satisfy the relative position information requirements, and arbitrary condition does not satisfy, and then thinks and does not satisfy the relative position information requirements.Checking process is as follows:
Whether terminal judges this locality preserves positional information, below according to this locality whether the positional information additional symbols is arranged:
If positional information (this positional information may depend on other professional acquisitions of terminal) is preserved in terminal this locality, judge whether before the deadline this positional information, if not before the deadline, then think and do not satisfy time requirement, terminal is reporting position information not, if before the deadline, then further judge whether to satisfy business need, namely judge in the term of validity of this positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then think and do not satisfy business need, terminal is reporting position information not, if surpass, time requirement this moment and business need all satisfy, and then terminal provides the positional information of this terminal to network side;
Judge whether positional information comprises before the deadline: judge the current time whether in the term of validity of this positional information, judge that perhaps the time (time of positional information namely is provided to network side) of reporting measurement reports is whether in the term of validity of this positional information.The purpose of judging is that the positional information of terminal is still effective in the time of will guaranteeing to provide positional information to network side, and the positional information that namely reports network side is effective.Since the current time with on the difference that calls time very little, so the scheme of judgement current time is also feasible.
If positional information is not preserved in terminal this locality, judgement is in the term of validity (this moment, the term of validity of positional information comprised one section valid interval of recalling forward from the current time) of positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then think and do not satisfy business need, terminal is reporting position information not, if surpass, then terminal triggers and obtain positional information (can obtain or the random time of aperiodicity when measuring obtained) when finishes measuring period, and the positional information of this terminal is provided to network side.Under this kind scene, can omit the judgement of time conditions.
Preserve in the situation of positional information the valid interval of the acquisition time ± positional information of the term of validity of positional information=this positional information in terminal this locality.Do not preserve in the situation of positional information the valid interval of the acquisition time-positional information of the term of validity of positional information=this positional information in terminal this locality.Valid interval can adopt the prior art value or set as required.
The below illustrates the judgement of business need, and for example the MDT measuring object is that throughput (Throughput) is measured, and suppose that the threshold value of default traffic carrying capacity is 0, if then in the validity information of position throughput surpass zero then can think and satisfy business need.For example the MDT measuring object is that data volume (data volumn) is measured again, suppose that predetermined threshold value is that (threshold value also can be zero or other numerical value to 10 kilobytes (10k Byte), herein only for illustrating), if then data volume surpasses this threshold value in the validity information of position, then think and satisfy business need.
Realize the terminal of said method, as shown in Figure 1, comprise receiver module, checking module and reporting module, wherein:
This receiver module is used for receiving the MDT configuration information;
This checking module is used for checking whether the MDT measuring object satisfies the requirement of relative position information;
This reporting module is used for providing the positional information of this terminal to network side when described checking module judges that the MDT measuring object satisfies the relative position information requirements.
The requirement of above-mentioned relative position information comprises time requirement and business need, requires and business need when all satisfying when the time, thinks and satisfies the relative position information requirements.Particularly, time requirement comprises that the positional information of terminal when providing positional information to network side is still effective; The traffic carrying capacity that business need is included in the business that the MDT measuring object is corresponding in the term of validity of positional information surpasses predetermined threshold value.
Preferably, this terminal also comprises logging modle, is used for preserving the positional information of described terminal;
When this checking module is preserved the positional information of described terminal in logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: judge whether before the deadline described positional information, if not before the deadline, then check result is not for satisfying the relative position information requirements, if before the deadline, then judge in the term of validity of described positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements.The valid interval of the acquisition time ± positional information of the term of validity=positional information of positional information.
Preferably, terminal also comprises position information acquisition module, is used for obtaining the positional information of terminal when described checking module triggers; When checking module is not preserved the positional information of described terminal in described logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: the term of validity of determining positional information, judgement is in this term of validity, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements, the trigger position acquisition module.The valid interval of the acquisition time-positional information of the term of validity=positional information of positional information.
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Embodiment one
This example explanation is based on signaling MDT, immediately under the MDT scene, and terminal initiatively triggers the process of obtaining positional information and judging whether to report.As shown in Figure 2, the method comprises following step:
Step 101: network management system (EMS) triggers minimum road test, and transmission minimum road test configuration messages for example Trace Session Activation message comprises MDTQoS and measures requirement to location register (HSS) network element in this message;
Step 102: after location register (HSS) retrieves UE and is in attachment state, send the minimum road test configuration messages to the core network element at UE place, comprise MDT QoS in this message and measure requirement;
If under the E-UTRAN network condition, described core network element is MME; If the UTRAN network condition, described core network element is SGSN or MSC server.When for example core network element was MME, the message of carrying the MDT configuration was to upgrade the position to reply (update location answer).
Step 103: core network element sends the minimum road test configuration messages to access network element, comprises MDT QoS in this message and measures requirement;
If under the E-UTRAN network condition, described access network element is eNB, if the UTRAN network, described access network element is RNC.
If in the situation of E-UTRAN network, the minimum road test configuration messages that carries can be set up for initial context (Initial context setup request) message, if UTRAN PS territory, the minimum road test configuration messages that carries is that core net triggers tracking (CN invoke Trace) message.
Step 104: Access Network receives the minimum road test configuration messages that core network element sends signaling MDT, and the MDT QoS business of described UE is measured;
The QoS that access network element starts this UE measures.For example in the E-UTRAN system, eNB starts MDT and measures for example layer two measurement, the business of UE is carried out the measurement of QoS; Measuring amount can be throughput or data volume etc.; Measurement can be up separately according to configuration, independent descending or up-downgoing; Measurement can be based on QCI or based on whole UE.
Step 105: access network element sends the minimum road test configuration messages to UE, and starts immediately minimum road test;
This configuration sends to UE by the existing cell of measuring configuration messages; Concrete, in the LTE network, can be that RRC connects to reshuffle in (RRCConnectionReconfiguration) message and carries;
Step 106:UE carries out the measurement of configuration requirement, and whether give the correct time in the inspection needs to provide positional information;
UE measures accordingly according to configuration after receiving configuration, if for example the E-UTRAN system has disposed the M1 measurement, UE should carry out the measurement of corresponding RSRP and RSRQ;
According to prior art, UE report condition when minimum road test immediately is periodically or Event triggered, and for example periodically during type, terminal checks when being configured in end cycle according to MDT whether needs initiatively trigger the acquisition positional information; For example during the Event triggered type, when terminal is configured in event and satisfies according to MDT for example A2 event (Event A2) check when satisfying whether needs initiatively trigger and obtain positional information; According in the disclosed technology, terminal also can trigger after receiving configuration and measure, and in this case, terminal should check whether need the active obtaining positional information.
UE determines the MDT measuring object according to the MDT configuration, for example UE distinguishes and measures throughput or data volume or the MDT of other types measurement, distinguish this surveyingpin right be up or downlink business, and distinguish and to be based on QCI and to measure and also be based on whole UE and measure;
UE determines the term of validity of positional information, for example can arrange or the fixed threshold setting according to UE self, and for example 5 milliseconds before the active obtaining positional information all are the terms of validity; Can also adjust according to the speed of UE, for example when high-speed mobile, the term of validity weak point can be adjusted into 2 milliseconds, when low speed moves the term of validity length can be 100 milliseconds, namely the time of 2 milliseconds or 100 milliseconds is the term of validity before obtaining positional information.Because terminal receives the rear active obtaining positional information of MDT configuration in this example, then this positional information is being given the correct time and must effectively, can not carried out the inspection of time conditions.
Whether UE check measurement object satisfies business need in the validity information of position: if when for example the MDT measuring object was for uplink service, current business only had downlink business, then think and do not satisfy business need; Perhaps, when for example the MDT measuring object is for the QCI type service, if there is not the business of the type QCI, then thinks and do not satisfy business need; Perhaps, for example the MDT measuring object is data volume (data volume), if data volume is zero or is lower than certain threshold value then thinks and do not satisfy business need that basis for estimation can realize or the threshold value of agreement according to UE; When above-mentioned time conditions and professional qualification all met the demands, UE initiatively attempted obtaining positional information, otherwise UE abandons initiatively attempting obtaining positional information.
Step 107: terminal will get access to positional information and send to network side;
UE is by prior art reporting measurement result, and for example among the LTE, UE sends measurement report (measurement report) message and carries positional information and/or measurement result to eNB.
Embodiment two
This example explanation is based on management MDT, MDT immediately, and terminal has got access under the scene of positional information (relying on the positional information of preserving after other professional triggerings), and whether terminal judges the process of reporting position information, as shown in Figure 3, comprises following step:
Step 201: network management system (EMS) triggers minimum road test, by southbound interface the minimum road test configuration messages is sent to access network elements, for example eNB or RNC; Comprise MDT QoS in this message and measured requirement;
Step 202: access network element is selected suitable UE, and starts the MDT QoS measurement of described UE;
This example is the MDT based on management, and Access Network eNB or RNC select one or more suitable UE;
According to the requirement of configuration, Access Network starts the MDT QoS measurement of UE in this example.For example in the E-UTRAN system, eNB starts MDT and measures for example layer two measurement, the business of UE is carried out the measurement of QoS; Measuring object can be throughput or data volume etc.; Measurement can be for independent uplink service according to configuration, and independent descending business or up-downgoing are professional; This external pelivimetry can also be based on QCI or based on whole UE.
Step 203: access network element sends the minimum road test configuration messages to UE;
This configuration sends to UE by the existing cell of measuring configuration messages; Concrete, in the LTE network, can be to carry in the RRCConnectionReconfiguration message;
Step 204:UE carries out the measurement of configuration requirement, is giving the correct time to check whether need positional information;
Receiving configuration according to prior art UE measures accordingly according to configuration afterwards;
UE give the correct time whether need to check need to be in measurement report point of addition information, terminal has relied on other business and has obtained positional information in this example, that is to say that the application triggers except the MDT function has been obtained positional information on the terminal, the positional information after obtaining is stayed and can be used in the terminal be recorded in the measurement report.
UE determines the MDT measuring object according to the MDT configuration, for example UE distinguishes and measures throughput or data volume or the MDT of other types measurement, UE distinguishes this surveyingpin to up or downlink business, and distinguishes and to be based on QCI and to measure and also be based on whole UE and measure;
UE determines the term of validity of positional information, because positional information is obtained by other application triggers, therefore the Measuring Time of acquisition time and MDT is also inconsistent, MDT is configured to two types of preiodic type and event modes immediately, in preiodic type MDT, for example the cycle is 240 milliseconds, obtain the middle part of the time of positional information in this cycle, for example obtain the 200th millisecond the time, the valid interval of positional information for example is 50 milliseconds, in the time of the 200th millisecond, obtain so before the positional information 50 milliseconds and afterwards 50 milliseconds all be that the term of validity is arranged, if namely first time started in cycle is 0 millisecond and begins to calculate, from the 150th millisecond of term of validity that all is this positional information to 250 milliseconds of intervals, this term of validity has comprised the end cycle time at the 240th millisecond, since on call time and be included in the term of validity, this moment, time conditions satisfied.UE also can be according to the Speed Setting term of validity of oneself, for example when high-speed mobile, effective value weak point is 2 milliseconds for example, and effective value was long for example 100 milliseconds when for example low speed moved, and that is to say that before obtaining positional information the time of 2 milliseconds or 100 milliseconds is the term of validity.
Whether UE check measurement object satisfies traffic carrying capacity in the validity information of position requires: if when for example the MDT measuring object was for uplink service, current business only had downlink business, then think and do not satisfy professional qualification; When for example the MDT measuring object is for the QCI type service, if there is not the type QCI, then thinks and do not satisfy professional qualification; For example the MDT measuring object is data volume (data volume), if data volume is zero or is lower than certain threshold value then thinks and do not satisfy business need that basis for estimation can realize or the threshold value of agreement according to UE.When above-mentioned time conditions and professional qualification all met the demands, UE added positional information in the measurement report to, otherwise does not add, and perhaps abandons this positional information.
Step 205: terminal sends minimum road test and reports to network side.
UE reporting measurement result, for example among the LTE, UE sends measurement report message to eNB, carries measurement result, may include positional information.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (14)
1. a minimum road test (MDT) method comprises:
After terminal receives the MDT configuration information, check whether the MDT measuring object satisfies the requirement of relative position information, terminal only when judging that the MDT measuring object satisfies the relative position information requirements, provides the positional information of this terminal to network side.
2. the method for claim 1 is characterized in that:
The requirement of described relative position information comprises time requirement and business need, requires and business need when all satisfying when the time, thinks and satisfies the relative position information requirements.
3. method as claimed in claim 2 is characterized in that:
Described time requirement comprises that the positional information of terminal when providing positional information to network side is still effective;
The traffic carrying capacity that described business need is included in the business that the MDT measuring object is corresponding in the term of validity of positional information surpasses predetermined threshold value.
4. such as claim 1 or 2 or 3 described methods, it is characterized in that:
When terminal was preserved positional information, described terminal checked that whether the MDT measuring object satisfies the relative position information requirements, comprising:
Judge whether before the deadline described positional information, if not before the deadline, then check result is not for satisfying the relative position information requirements, if before the deadline, judge then in the term of validity of described positional information whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements.
5. method as claimed in claim 4 is characterized in that:
The valid interval of the acquisition time ± positional information of the term of validity=positional information of described positional information.
6. such as claim 1 or 2 or 3 described methods, it is characterized in that:
When terminal was not preserved positional information, described terminal checked that whether the MDT measuring object satisfies the relative position information requirements, comprising:
Determine the term of validity of positional information, judge in this term of validity whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements;
Described method also comprises: terminal checks when the MDT measuring object satisfies the relative position information requirements that terminal triggers obtains positional information.
7. method as claimed in claim 6 is characterized in that:
The valid interval of the acquisition time-positional information of the term of validity=positional information of described positional information.
8. a terminal that realizes minimum road test (MDT) comprises receiver module, checking module and reporting module, wherein:
Described receiver module is used for receiving the MDT configuration information;
Described checking module is used for checking whether the MDT measuring object satisfies the requirement of relative position information;
Described reporting module is used for providing the positional information of this terminal to network side when described checking module judges that the MDT measuring object satisfies the relative position information requirements.
9. terminal as claimed in claim 8 is characterized in that:
The requirement of described relative position information comprises time requirement and business need, requires and business need when all satisfying when the time, thinks and satisfies the relative position information requirements.
10. terminal as claimed in claim 9 is characterized in that:
Described time requirement comprises that the positional information of terminal when providing positional information to network side is still effective;
The traffic carrying capacity that described business need is included in the business that the MDT measuring object is corresponding in the term of validity of positional information surpasses predetermined threshold value.
11. such as claim 8 or 9 or 10 described terminals, it is characterized in that:
Described terminal also comprises logging modle, is used for preserving the positional information of described terminal;
When described checking module is preserved the positional information of described terminal in described logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: judge whether before the deadline described positional information, if not before the deadline, then check result is not for satisfying the relative position information requirements, if before the deadline, then judge in the term of validity of described positional information, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result is for satisfying the relative position information requirements.
12. terminal as claimed in claim 11 is characterized in that:
The valid interval of the acquisition time ± positional information of the term of validity=positional information of described positional information.
13. such as claim 8 or 9 or 10 described terminals, it is characterized in that:
Described terminal also comprises logging modle and position information acquisition module,
Described logging modle is for the positional information of preserving described terminal;
When described checking module is not preserved the positional information of described terminal in described logging modle, check in the following ways whether the MDT measuring object satisfies the relative position information requirements: the term of validity of determining positional information, judgement is in this term of validity, whether the traffic carrying capacity of the business that the MDT measuring object is corresponding surpasses predetermined threshold value, if do not surpass, then check result is not for satisfying the relative position information requirements, if surpass, then check result triggers described position acquisition module for satisfying the relative position information requirements;
Described position information acquisition module is used for obtaining the positional information of terminal when described checking module triggers.
14. terminal as claimed in claim 13 is characterized in that:
The valid interval of the acquisition time-positional information of the term of validity=positional information of described positional information.
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