CN103369558A - Method and device for minimization-of-drive-test (MDT) quality-of-service (QoS) measurement result association - Google Patents
Method and device for minimization-of-drive-test (MDT) quality-of-service (QoS) measurement result association Download PDFInfo
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Abstract
The invention discloses a method and a device for minimization-of-drive-test (MDT) quality-of-service (QoS) measurement result association. Terminal equipment reports specific location information thereof to access network equipment; and the access network equipment associates the specific location information of the terminal equipment, valid time information of the specific location information, and a QoS measurement result, measured by the access network equipment, of the terminal equipment. The scheme enables the access network equipment to accurately bind the QoS measurement result and the specific location information, expands the application range of MDT and improves the network performance.
Description
Technical field
The present invention relates to the communications field, relate in particular to (MDT, the Minimization of Drive Test) service quality of a kind of minimum road test in the wireless communication system (QoS, Quality of Service) measurement result correlating method and device.
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 MDT 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 according to it and is operated in connected state and can be divided into two kinds of mode of operations, is specially record minimum road test (Logged MDT) and minimum road test (immediate MDT) immediately.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 state (CELL_PCH) and UTRAN Acceditation Area _ paging channel state (URA_PCH) for the UTRAN system).When the condition that configures satisfies, collect and the storage correlation measurement information reports when being used for receiving wireless access network (RAN) order request in the future, 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 _ DCH 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, and 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 according to parameters such as 25.215 protocol measures reception reference code power (RSCP Received Signal Code Power), and 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 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 (Layer2measurements) 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 the prior art.Terminal can not provide the positional information of reliable timing to network, if if namely terminal has positional information then do not report not then do not report.When Access Network receives the positional information of terminal to report, according to prior art, described positional information and QoS measurement result can't be bound, for example network may continuous measurement ten minutes data, and terminal only provides a positional information, described ten minutes data can not simply be thought to occur in this positional information, because during terminal may be in and move always, so in the prior art, if network side uses the positional information of terminal to report, can't bind together with the QoS measurement result that network side carries out.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of minimum road test qos measurement as a result correlating method and device, solves the problem that access network equipment can't accurately be bound qos measurement result and more specific location information.
In order to solve the problems of the technologies described above, the invention provides as a result correlating method of a kind of minimum road test qos measurement, wherein, terminal equipment reports the more specific location information of described terminal equipment to access network equipment; Described access network equipment carries out association with the qos measurement result of the described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment record.
Further, said method can also have following characteristics:
Information effective time of described more specific location information is described terminal equipment to information effective time that described access network equipment provides; Perhaps, information effective time of described more specific location information is fixing information effective time that described access network equipment is determined.
Further, said method can also have following characteristics:
Described access network equipment with the periodic quantity in the periodic measurement as described fixing information effective time.
Further, said method can also have following characteristics:
Described access network equipment will be corresponding with information effective time of described more specific location information time interval in the qos measurement result of described terminal equipment and the binding of described more specific location information.
Further, said method can also have following characteristics:
Described effective time information comprise for the moment between during length, described access network equipment will receive that the qos measurement result of the described terminal equipment in this time length before the described more specific location information is related with described more specific location information;
When described effective time, information comprised very first time length and the second time span, described access network equipment will receive that the interior described qos measurement result of second time span of very first time length after receiving described more specific location information before the described more specific location information is related with described more specific location information;
When described effective time, information comprised the first absolute time and the second absolute time, described access network equipment will be related with described more specific location information in the described qos measurement result that the first absolute time is received within the second absolute time.
Further, said method can also have following characteristics:
The qos measurement result of the described terminal equipment that described access network equipment records more specific location information and the described access network equipment of described terminal equipment is sent to follow the tracks of and collects entity, perhaps sends to follow the tracks of together with information effective time of described more specific location information and collects entity.
In order to solve the problems of the technologies described above, the present invention also provides as a result associated apparatus of a kind of minimum road test qos measurement, be positioned at access network equipment, comprise receiver module and relating module, wherein, described receiver module is used for the more specific location information of the described terminal equipment that receiving terminal apparatus reports; Described relating module, the qos measurement result who is used for described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment are recorded carries out association.
Further, said apparatus can also have following characteristics:
Described receiver module also be used for receiving information effective time of the described more specific location information that described terminal equipment provides, and notice is to described relating module.
Further, said apparatus can also have following characteristics:
Described relating module be used for to determine that also fixing effective time information is as information effective time of described more specific location information.
Further, said apparatus can also have following characteristics:
Described relating module also is used for qos measurement result and the binding of described more specific location information of the described terminal equipment in the time interval that will be corresponding with information effective time of described more specific location information.
This programme can make access network equipment accurately bind qos measurement result and more specific location information, improves the scope of application of MDT, promotes network performance.
Description of drawings
Fig. 1 is as a result correlating method schematic diagram of minimum road test qos measurement;
Fig. 2 is based on the MDT process chart of signaling among the embodiment one;
Fig. 3 is based on the MDT process chart of managing among the embodiment two.
Embodiment
As shown in Figure 1, the minimum road test qos measurement as a result correlating method comprise: terminal equipment reports the more specific location information of described terminal equipment to access network equipment; Described access network equipment carries out association with the qos measurement result of the described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment record.
Wherein, terminal equipment is subscriber equipment or other terminal side equipment, and access network equipment is eNB or RNC.
Information effective time of more specific location information is described terminal equipment to information effective time that described access network equipment provides; Perhaps, information effective time of described more specific location information is fixing information effective time that described access network equipment is determined.
Described access network equipment with the periodic quantity in the periodic measurement as described fixing information effective time.
Described access network equipment will be corresponding with information effective time of described more specific location information time interval in the qos measurement result of described terminal equipment and the binding of described more specific location information.
Effective time information comprise for the moment between during length, access network equipment will receive that the qos measurement result of the described terminal equipment in this time length before the described more specific location information is related with described more specific location information;
When effective time, information comprised very first time length and the second time span, access network equipment will receive that the interior described qos measurement result of second time span of very first time length after receiving described more specific location information before the described more specific location information is related with described more specific location information;
When effective time, information comprised the first absolute time and the second absolute time, access network equipment will be related with described more specific location information in the described qos measurement result that the first absolute time is received within the second absolute time.
Wherein, the QoS measurement result refers to the measurement result of within cycle QoS upstream or downstream or up-downgoing, this measurement can be that throughput is measured (Throughput Measurement), can be that packet loss (Data loss) is measured, can be that message delay (Packet Delay) is measured.
The qos measurement result of the described terminal equipment that access network equipment records more specific location information and the described access network equipment of described terminal equipment is sent to follow the tracks of and collects entity, perhaps sends to follow the tracks of together with information effective time of described more specific location information and collects entity.
Minimum road test qos measurement associated apparatus as a result is positioned at access network equipment (eNB or RNC) in this programme, comprises receiver module and relating module.
Receiver module is used for the more specific location information of the described terminal equipment that receiving terminal apparatus reports;
Relating module, the qos measurement result who is used for described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment are recorded carries out association.
Described terminal equipment to the situation of information described access network equipment provides effective time for information effective time of more specific location information, described receiver module, also be used for receiving information effective time of the described more specific location information that described terminal equipment provides, and notice is to described relating module.
For information effective time of more specific location information be described access network equipment determine fixing effective time information situation, relating module, be used for to determine that also fixing effective time information is as information effective time of described more specific location information, concrete, with the periodic quantity in the periodic measurement as described fixing information effective time.
Relating module, also be used for qos measurement result and the binding of described more specific location information of the described terminal equipment in the time interval that will be corresponding with information effective time of described more specific location information, concrete, described effective time information be time during length, the qos measurement result of the described terminal equipment in this time length of receiving before the described more specific location information is related with described more specific location information; When described effective time, information comprised very first time length and the second time span, will receive that the described qos measurement result in described more specific location information second time span of very first time length after receiving described more specific location information before is related with described more specific location information; When described effective time, information comprised the first absolute time and the second absolute time, described access network equipment will be related with described more specific location information in the described qos measurement result that the first absolute time is received within the second absolute time.
Said apparatus also comprises sending module; Sending module, the qos measurement result who is used for the described terminal equipment that more specific location information and described access network equipment with described terminal equipment record is sent to follow the tracks of and collects entity, perhaps sends to follow the tracks of together with information effective time of described more specific location information and collects entity.
Below in conjunction with embodiment this programme is further specified:
Embodiment one
Adopt in the present embodiment one terminal equipment to access network equipment provide more specific location information effective time information mode.
The present embodiment is based on MDT immediately and based on the MDT of signaling, as shown in Figure 2, the method comprises following step:
Step 201: network management system (EMS) triggers minimum road test, sends MDT message to location register (HSS) network element, comprises MDT QoS in the described message and measures requirement.
Wherein, the MDT configuration messages can be trace session activation (Trace Session Activation) message.
Step 202: after location register (HSS) retrieves UE and is in attachment state, send the MDT configuration messages to the core network element at UE place.
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 that response (update location answer) is upgraded in the position; Comprise MDT QoS in the described MDT configuration messages and measure requirement.
Step 203: core network element sends the MDT configuration messages to access network elements.
If under the E-UTRAN network condition, described access network elements is eNB, if the UTRAN network, described access network elements is RNC;
If in the situation of E-UTRAN network, the message of the described MDT of carrying configuration is that initial context is set up request (Initial context setup request) message, if UTRAN PS territory, described message of carrying the minimum road test configuration is CN invoke Trace message;
Comprise MDT QoS in the described MDT configuration messages and measure requirement.
Step 204: Access Network receives the MDT configuration messages that core network element sends, and the MDT QoS business of described UE is measured.
The QoS that access network elements starts this UE measures, and is for example up, descending, up-downgoing; 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, packet loss etc.; Measurement can be up separately according to configuration, independent descending or up-downgoing.
Step 205: access network elements sends the MDT configuration messages to UE.
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 (RRC Connection Reconfiguration) message and carries;
Step 206:UE carries out the measurement of configuration requirement and provides more specific location information and information effective time of more specific location information.
UE measures accordingly according to configuration after receiving configuration, if for example the E-UTRAN system has configured the M1 measurement, UE should carry out the measurement of corresponding RSRP and RSRQ;
UE obtains more specific location information according to prior art;
UE provides information effective time of described positional information.
Effective time, information can comprise a time span, the expression access network elements receives that the time described time before of more specific location information is the effective time of positional information, for example 10 seconds, the expression Access Network receive the QoS measurement data that gathers in 10 seconds before time of more specific location information can with this positional information binding.
Effective time, information can also comprise two time spans, represent that Access Network is received before the time of more specific location information and the time afterwards is the effective time of positional information, for example [10 seconds, 2 seconds], the expression Access Network receive before time of more specific location information 10 seconds to after 2 seconds all be effective, can with this time range in the QoS measurement result bind.
Effective time, information can also comprise two time absolute values, and for example [absolute time 1, absolute time 2] etc. can extrapolate after the expression Access Network is accepted that positional information is effectively in this absolute time, can with the corresponding time in the binding of QoS measurement result.
Step 207: terminal sends to network side with information effective time of more specific location information and more specific location information.
UE is by prior art reporting measurement result, and for example among the LTE, UE sends measurement report message to eNB, carries more specific location information and or measurement result.
Step 208: Access Network is described more specific location information, more specific location information effective time information and the QoS measurement result of network side carry out related.
More specific location information during Access Network reports this effective measured value of more specific location information and UE is associated together, for example among the E-UTRAN, QoS measurement result and UE the specifying information report in of eNB within described effective time is associated together, and thinks that the particular location that this measurement result occurs is exactly to report entrained particular location among the UE;
Step 209: the more specific location information during Access Network reports described QoS measurement result and UE and information effective time of positional information send to TCE together, perhaps several groups of QoS measurement results and its corresponding more specific location information are sent to TCE together.
Embodiment two
Adopt access network equipment to use the mode of fixing effective time of information among the embodiment two.
The present embodiment is based on MDT and the MDT (IMM) immediately of management: as shown in Figure 3, the method comprises following step:
Step 301: network management system (EMS) triggers minimum road test, by southbound interface configuring request is sent to access network elements (for example eNB or RNC); Comprise MDT QoS in this message and measured requirement.
Step 302: access network elements is selected suitable UE, and starts the MDT QoS measurement of described UE.
According to prior art: this example is the MDT based on management, network management system and select concrete UE namely, 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 described UE in this example.
Step 303: access network elements sends the MDT configuration messages to UE, and UE carries out the measurement of configuration requirement.
According to prior art: this configuration sends to UE by the existing cell of measuring configuration messages; Concrete, in the LTE network, can be to carry in the RRC Connection Reconfiguration message; UE measures accordingly according to configuration after receiving configuration; UE gives the correct time at end cycle should attempt obtaining more specific location information, if there is more specific location information should offer network.
Step 304: terminal sends MDT and reports to access network elements.
According to prior art: UE reporting measurement result, for example among the LTE, UE sends measurement report (measurement report) message and carries measurement result to eNB, may include more specific location information.
Step 305: access network elements carries out the QoS measurement result of more specific location information and network side related.
After access network elements received described message, Access Network checks in the message more specific location information; More specific location information during the QoS measurement result that Access Network carries out network side and UE report is associated together:
The Access Network cycle in the configuration of can using is fixed value, for example this is configured to periodic measurement, then the periodic quantity of periodic measurement can be used as the effective time that positional information is fixed, for example Configuration Values is 100ms, Access Network can think in the corresponding cycle of receiving more specific location information network side in the 100ms namely the MDT measurement result can with this positional information binding.
Access network elements also can use other regular times, for example 5 seconds, for example receives that 5 seconds before the network side MDT measurement result of positional information of terminal to report can be bound with this positional information.
Access Network also can use regular time interval, and for example [10 seconds, 2 seconds], for example the MDT measurement result of 10 seconds and 2 seconds afterwards can be bound with this positional information before the positional information of terminal to report.
Step 306: the more specific location information during access network elements reports described QoS measurement result and UE and fixing positional information send to TCE effective time together, perhaps several groups of effective QoS measurement results and its corresponding more specific location information are sent to TCE together.
Perhaps, Access Network also can only send QoS measurement result and the UE more specific location information in reporting, and fixing positional information effective time can be by the TCE fixed configurations and calculates voluntarily.
Need to prove, in the situation that do not conflict, the embodiment among the application and the feature among the embodiment be combination in any mutually.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art 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.
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.
Claims (10)
1. minimum road test qos measurement correlating method as a result, wherein,
Terminal equipment reports the more specific location information of described terminal equipment to access network equipment;
Described access network equipment carries out association with the qos measurement result of the described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment record.
2. the method for claim 1 is characterized in that,
Information effective time of described more specific location information is described terminal equipment to information effective time that described access network equipment provides; Perhaps, information effective time of described more specific location information is fixing information effective time that described access network equipment is determined.
3. method as claimed in claim 2 is characterized in that,
Described access network equipment with the periodic quantity in the periodic measurement as described fixing information effective time.
4. such as claim 1,2 or 3 described methods, it is characterized in that,
Described access network equipment will be corresponding with information effective time of described more specific location information time interval in the qos measurement result of described terminal equipment and the binding of described more specific location information.
5. method as claimed in claim 4 is characterized in that,
Described effective time information comprise for the moment between during length, described access network equipment will receive that the qos measurement result of the described terminal equipment in this time length before the described more specific location information is related with described more specific location information;
When described effective time, information comprised very first time length and the second time span, described access network equipment will receive that the interior described qos measurement result of second time span of very first time length after receiving described more specific location information before the described more specific location information is related with described more specific location information;
When described effective time, information comprised the first absolute time and the second absolute time, described access network equipment will be related with described more specific location information in the described qos measurement result that the first absolute time is received within the second absolute time.
6. the method for claim 1 is characterized in that,
The qos measurement result of the described terminal equipment that described access network equipment records more specific location information and the described access network equipment of described terminal equipment is sent to follow the tracks of and collects entity, perhaps sends to follow the tracks of together with information effective time of described more specific location information and collects entity.
7. minimum road test qos measurement associated apparatus as a result is positioned at access network equipment, comprises receiver module and relating module, wherein,
Described receiver module is used for the more specific location information of the described terminal equipment that receiving terminal apparatus reports;
Described relating module, the qos measurement result who is used for described terminal equipment that information effective time of the more specific location information of described terminal equipment, described more specific location information, described access network equipment are recorded carries out association.
8. device as claimed in claim 7 is characterized in that,
Described receiver module also be used for receiving information effective time of the described more specific location information that described terminal equipment provides, and notice is to described relating module.
9. device as claimed in claim 7 is characterized in that,
Described relating module be used for to determine that also fixing effective time information is as information effective time of described more specific location information.
10. such as claim 7,8 or 9 described devices, it is characterized in that,
Described relating module also is used for qos measurement result and the binding of described more specific location information of the described terminal equipment in the time interval that will be corresponding with information effective time of described more specific location information.
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