CN102938905A - Method and device for minimizing road tests - Google Patents
Method and device for minimizing road tests Download PDFInfo
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- CN102938905A CN102938905A CN 201110234132 CN201110234132A CN102938905A CN 102938905 A CN102938905 A CN 102938905A CN 201110234132 CN201110234132 CN 201110234132 CN 201110234132 A CN201110234132 A CN 201110234132A CN 102938905 A CN102938905 A CN 102938905A
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Abstract
The invention provides a method and a device for minimizing road tests. The method includes that user equipment (UE) receives measurement configuration messages from a network side device; the UE confirms measurement performed states according to the measurement configuration messages and performs measurement and saves measurement results in the measurement performed states, wherein the measurement performed states comprise an idle state or a connection state; when the UE enters the connection state, the UE sends instructions with measurement results to be reported to the network side device; and the UE receives measurement result report requests from the network side device and reports the measurement results. According to the technical scheme, the problem that the signaling expenditure is large caused by the fact that the UE reports measurement of the connection state immediately in related technologies is solved, and further the signaling expenditure can be saved effectively.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and device of minimum road test.
Background technology
In order to reduce operator, utilize special equipment to carry out cost and the complexity of artificial drive test, third generation partnership project (Third Generation Partnership Projects, referred to as 3GPP) at universal land radio access web (Universal Terrestrial Radio Access Network, referred to as UTRAN, comprise base station (Node B) and radio network controller (RNC)) and universal land radio access web (the Evolved Universal Terrestrial Radio Access Network of evolution, referred to as E-UTRAN, comprising evolution base station (eNB)) version 10 (Release-10) of system starts to introduce minimum road test (Minimization of Drive Test, referred to as MDT) function.The core net that UTRAN is corresponding (Core Network, referred to as CN) comprise host-user server (Home Subscriber Server, referred to as HSS), Mobile Switching Center Server (Mobile Switching Centre Server, referred to as MSC Server), the service GPRS Support Node (Serving GPRS Support Node, GPRS-General Packet Radio Service, referred to as the SGSN-GPRS) etc.The core net that E-UTRAN is corresponding (CN) comprises host-user server (HSS), mobile management entity (Mobile Management Entity, referred to as MME) etc.Minimum road test functional utilization subscriber equipment (User Equipment, referred to as UE, or be called terminal) automatically collect metrical information and report to wireless access network (RadioAccess Network by chain of command (Control Plane) signaling, referred to as RAN, refer to RNC for the UTRAN system, refer to eNB for the E-UTRAN system), report to Operation & Maintenance System (Operation And Maintenance by wireless access network again, referred to as OAM) tracking collect entity (Trace Collection Entity, referred to as TCE), for the network optimization, for example, find and solve network coverage problem.Minimum road test is mainly used in realizing coverage optimization at present.
MDT supports MDT (Management based MDT) and the MDT based on signaling (Signaling based MDT) based on management.The activation of MDT based on management normally (be take the E-UTRAN system as example, below all with) OAM sends the tracking comprise the MDT configuration and activates message (Trace session activation) and measure with the MDT that activates some UE to eNB, eNB selects suitable UE to carry out MDT, and the MDT configuration information is sent to the UE chosen.The tracking that normally the OAM transmission comprises the MDT configuration of the activation of MDT based on signaling activates message (Trace session activation) message and measures with the MDT that activates certain UE to HSS, HSS sends to MME by the MDT configuration information of this UE, MME sends to eNB by the MDT configuration information of this UE, and eNB MDT configuration information the most at last sends to UE.MDT based on signaling uses IMSI International Mobile Subscriber Identity (International Mobile Subscriber Identity usually, referred to as IMSI) or international mobile station device identification (International Mobile Station Equipment Identity, referred to as IMEI) specify certain UE, or add the selection of area information with restriction UE.MDT based on management and the MDT based on signaling activate in message and comprise track reference (Trace Reference) information from OAM, wherein, comprise public land mobile network (Public Land Mobile Network, referred to as PLMN) information, by Mobile Country Code MCC (Mobile country code, referred to as MCC) and Mobile Network Code (Mobile Network code, referred to as MNC) composition.
The mode of operation of MDT is included in Radio Resource connection control (Radio Resource Control, referred to as RRC) idle condition (IDLE) and " records minimum road test (logged MDT) " and Radio Resource control (RRC) connection status (CONNECTED) " minimum road test (immediate MDT) immediately ".Record minimum road test and refer to that UE controls idle condition at Radio Resource and (for the E-UTRAN system, refers to the RRC_IDLE state; Also comprise cell _ paging channel state (CELL_PCH) and UTRAN Acceditation Area _ paging channel state (URA_PCH) for the UTRAN system) when meeting, configured condition collects and stores correlation measurement information for report to again wireless access network when wireless access network requires later, then report to TCE by wireless access network.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, at present community _ forward access channel status (CELL_FACH) is not supported immediately minimum road test and is recorded minimum road test) collect correlation measurement information and report to wireless access network when the report condition meets, then report to TCE by wireless access network.
RAN is UE configuration logged MDT by the RRC dedicated signaling, deploy content mainly comprises that wireless (radio) measures, records the duration (logging duration), record period (periodicity), (area configuration, as cell list cell list or tracking area list TA list with reference to (absolute time reference), area configurations for record trigger condition (as periodicity Periodic or based on event Event), absolute time; Do not have the configuring area scope to illustrate that constantly loggedMDT is effective in registering public land mobile network (Registered Public Land Mobile Network, referred to as the RPLMN) scope of UE.The content of wireless measurement comprises descending pilot frequency ionization meter (downlink pilot strength), (the Reference Signal Received Power of Reference Signal Received Power in the E-UTRAN system, referred to as RSRP), UTRAN system frequency division multiplex (FDD, Frequency Division Duplex) Common Pilot Channel (CPICH in pattern, Common Pilot Channel) received signal code power (RSCP, Received Signal Code Power), the every modulation bit of UTRAN system fdd mode CPICH with noise spectral density than Ec/No (Ratio of energy per modulating bitto the noise spectral density), UTRAN system TDD mode Primary Common Control Physical Channel (Primary Common Control Physical Channel, referred to as P-CCPCH) RSCP and Interference Signal Code Power (Interference Signal Code Power, referred to as ISCP) etc.UE also comprises according to the collected measurement content with storage of logged MDT configuration: wireless measurement result and corresponding positional information, for example, GLONASS (Global Navigation Satellite System) (Global Navigation Satellite System, GNSS) positional information or radio frequency finger mark (RF fingerprint) information, and timestamp (time stamp) information; Timestamp is the relative time stamp, the absolute time reference while with respect to UE, receiving logged MDT configuration.If UE has configured logged MDT and the measurement result of storage has been arranged, in connection status Radio Resource control connection, set up message (RRCConnectionSetupComplete), radio resource control connection reestablishment has found message (RRCConnectionReestablishmentComplete), wireless resource control connection reconfiguration completes in the message such as message (RRCConnectionReconfigurationComplete) and records the minimum road test indication to the wireless access network report, wireless access network is by UE information request message (UEinformationRequest) notice UE report logged MDT measurement result, UE (is used SRB2 in UE info response message (UEinformationResponse) by Signaling Radio Bearer (SRB) in E-UTRAN, use SRB4 in UTRAN) to the measurement result of wireless access network report logged MDT.The measurement result that Logged MDT stores is removed after report from UE, logged MDT configuration information is in overtime rear removing of configured duration (loggingDuration), if wireless access network is not asked UE report logged MDT, the measurement result that logged MDT stores was removed overtime latter 48 hours of duration later.
In correlation technique, UE only configures collection and the storage of carrying out correlation measurement information according to logged MDT in idle condition, when UE enters connection status, stop above-mentioned behavior; When UE reenters Idle state, if still in configured recording in the duration scope, continue collection and the storage of correlation measurement information.Any time, UE only supports a kind of wireless access technology (Radio Access Technology, referred to as RAT) specific logged MDT configuration, when other RAT has selected same UE configuration logged MDT, logged MDT configuration information originally and to record content deleted and replaced by new configuration.UE only collects and records correlation measurement information being positioned at its RAT scope that has configured logged MDT, when UE enters other RAT, stops above-mentioned behavior, measurement result that can not be reporting recorded; Configured the RAT of logged MDT and during in idle condition, if still in configured recording in the duration scope, continued collection and the storage of correlation measurement information when UE reenters it.Logged MDT configuration information also can comprise regional extent (area scope) information, this information can be cell list (cell list) or position area list (LA list) or UTRAN Acceditation Area list (RA list), non-network is shared in situation, regional extent belongs to same PLMN (Public Land Mobile Network, PLMN); In the situation that there is no the configuring area scope, logged MDT is configured in whole PLMN scope effective.
As can be seen here, because UE only carries out collection and the storage of correlation measurement information in idle condition, for the measurement of connected state, be all to report immediately, can cause signaling consumption larger.And, after some surveying record obtains, UE has proceeded to the IDLE state at once, can cause the measurement result network side of having no idea to be reported to immediately.
Summary of the invention
Report immediately for the measurement of connected state for UE in correlation technique, cause the problem that signaling consumption is larger, the invention provides a kind of method and device of minimum road test, one of to address the above problem at least.
A kind of method of minimum road test is provided according to an aspect of the present invention.
According to the method for minimum road test of the present invention, comprise: UE receives the measurement configuration messages that comes from network equipment; UE determines according to measuring configuration messages the state of carrying out of measuring, and carries out and measures and preserves measurement result measuring under the state of carrying out, and wherein, it is one of following that the state of measurement execution comprises: Idle state; Connected state; Idle state and connected state; When UE enters in the process of connected state or during in connected state, UE sends the indication information that has measurement result to report to network equipment; UE receives the measurement result that comes from network equipment and reports request, and the reporting measurement result.
Above-mentioned measurement configuration messages carries: measurement target, UE determines that measuring the state of carrying out comprises: UE determines according to measurement target the state of carrying out of measuring.
Above-mentioned measurement configuration messages carries: indication information and the measurement target of the state that indication measurement is carried out, UE determines that measuring the state of carrying out comprises: the indication information of the state that UE carries out according to indication measurement is determined the state of carrying out of measuring.
Above-mentioned measurement configuration messages also carries: measure the distributing sustainable time, the state that UE determine to measure carries out according to measurement target, and measures and preserves surveying record and comprise measuring under the state of carrying out to carry out: UE is measured and is preserved surveying record under the state of measurement execution; UE, when forwarding the state of non-measurement execution to, hangs measurement and configures and preserve surveying record; When UE forwards at the measurement distributing sustainable state of measuring execution in the time, continue to carry out and measure and preserve surveying record.
Above-mentioned measurement configuration messages also carry following one of at least: wireless measurement indication, record period, record trigger condition, absolute time reference, area configurations, track reference indication, the indication of track record session reference, follow the tracks of and collect entity TCE sign, measurement result retention time.
For the universal land radio access web E-UTRAN system of evolution, the indication information that UE will have measurement result to report is carried in one of following message and is sent: the Radio Resource control connection has been set up message, radio resource control connection reestablishment and has been found message, wireless resource control connection reconfiguration and complete the upstream message that message, UE send when connected state; For universal land radio access web UTRAN system, the indication information that UE will have measurement result to report is carried in one of following message and is sent: the Radio Resource control connection has been set up the upstream message that message, UTRAN handoff completion message, cell update message, UTRAN Acceditation Area updating message, UTRAN mobility information acknowledge message, measurement report, UE send when connected state.
Above-mentioned measurement result comprises: the TCE sign.
A kind of device of minimum road test is provided according to a further aspect in the invention.
According to the device of minimum road test of the present invention, comprise: the first receiver module comes from the measurement configuration messages of network equipment for reception; Determination module, for according to measuring configuration messages, determining the state of carrying out of measuring, wherein, measure the state of carrying out and comprise one of following: Idle state; Connected state; Idle state and connected state; Measurement module, for carrying out and measure and preserve measurement result under the state measuring execution; Sending module, for the process that enters connected state at UE or when the connected state, send the indication information that has measurement result to report to network equipment; The second receiver module, the measurement result that comes from network equipment for reception reports request; Reporting module, for the reporting measurement result.
Above-mentioned determination module, for when the measurement configuration messages carries measurement target, determine according to measurement target the state of carrying out of measuring.
Above-mentioned determination module, for when measuring configuration messages and carry the indication information of the state that indication measurement carries out and measurement target, the indication information of the state of carrying out according to indication measurement is determined the state of carrying out of measuring.
Above-mentioned measurement module comprises: the first processing unit, for at the measurement configuration messages, also carrying and measure distributing sustainable during the time, measure distributing sustainable and measured and preserve surveying record in the time under measuring the state of carrying out, the state of being carried out by non-measurement in the time at the measurement distributing sustainable continues execution when forwarding to and measuring the state of carrying out and measures and preserve surveying record; The second processing unit, for when forwarding the state of non-measurement execution to, hang measurement and configure and preserve surveying record.
Above-mentioned measurement configuration messages also carry following one of at least: wireless measurement indication, record period, record trigger condition, absolute time reference, area configurations, track reference indication, the indication of track record session reference, follow the tracks of and collect entity TCE sign, surveying record retention time.
By the present invention, adopt minimum road test (logged MDT) mode all to carry out the metrical information collection at connected state and Idle state, having solved in the correlation technique UE in correlation technique reports immediately for the measurement of connected state, cause the problem that signaling consumption is larger, and then can effectively save signaling consumption.
The accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
Fig. 1 is the flow chart according to the minimum road test method of the embodiment of the present invention;
Fig. 2 is the flow chart of the minimum road test method of the example one according to the present invention;
Fig. 3 is the flow chart of the minimum road test method of the example two according to the present invention;
Fig. 4 is the flow chart of the minimum road test method of the example three according to the present invention;
Fig. 5 is the flow chart of the minimum road test method of the example four according to the present invention;
Fig. 6 is the structured flowchart according to the minimum road test device of the embodiment of the present invention.
Embodiment
Hereinafter with reference to accompanying drawing, also describe the present invention in detail in conjunction with the embodiments.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
Fig. 1 is the flow chart according to the minimum road test method of the embodiment of the present invention.As shown in Figure 1, this minimum road test method mainly also comprises following processing:
Step S102:UE receives the measurement configuration messages that comes from network equipment;
Step S104:UE determines according to measuring configuration messages the state of carrying out of measuring, and carries out and measures and preserves measurement result measuring under the state of carrying out, and wherein, it is one of following that the state of measurement execution comprises: Idle state; Connected state; Idle state and connected state;
Step S106: when UE enters in the process of connected state or during in connected state, UE sends the indication information that has measurement result to report to network equipment;
Step S108:UE receives the measurement result that comes from network equipment and reports request, and the reporting measurement result.
In correlation technique, because UE only carries out collection and the storage of correlation measurement information in idle condition, for the measurement of connected state, be all to report immediately, can cause signaling consumption larger.And, after some surveying record obtains, UE has proceeded to the IDLE state at once, can cause the measurement result network side of having no idea to be reported to immediately.In the method shown in Fig. 1, adopt minimum road test (logged MDT) mode all to carry out the metrical information collection at connected state and Idle state, and report request reporting measurement result according to the measurement result of network equipment.Solved in the correlation technique UE in correlation technique and reported immediately for the measurement of connected state, caused the problem that signaling consumption is larger, and then can effectively save signaling consumption.
Preferably, above-mentioned measurement configuration messages carries: measurement target, in above-mentioned steps S104, UE determines that measuring the state of carrying out may further include following processing: UE according to the definite state of carrying out of measuring of measurement target.
Preferably, above-mentioned measurement configuration messages carries: indication information and the measurement target of the state that indication measurement is carried out, in above-mentioned steps S104, UE determines that measuring the state of carrying out may further include following processing: UE according to the definite state of carrying out of measuring of the indication information of the state of indication measurement execution.
As can be seen here, the state that UE can adopt above-mentioned two kinds of modes determine to measure to carry out, a kind of is that the indication information of the state carried out of the indication measurement that issues according to network equipment is determined the state of measuring execution; Another kind is the measurement target issued according to network equipment, and the state that UE can measure according to oneself is measured, and for example, some measurement target UE can measure at Idle state and connected state, under this two states, is all measured.
Preferably, above-mentioned measurement configuration messages also carries: measure the distributing sustainable time, in above-mentioned steps S104, the state that UE determine to measure carries out according to measurement target, and measure and preserve surveying record and may further include following processing measuring under the state of carrying out to carry out:
(1) UE is measured and is preserved surveying record under the state of measuring execution;
(2) UE, when forwarding the state of non-measurement execution to, hangs measurement and configures and preserve surveying record;
(3) UE, when the measurement distributing sustainable forwards the state of measuring execution in the time, continues to carry out and measures and preserve surveying record.
Preferably, above-mentioned measurement configuration messages can also carry following one of at least: wireless measurement indication, record period, record trigger condition (as periodicity Periodic or based on event Event), absolute time reference, area configurations, track reference indication, the indication of track record session reference, follow the tracks of and collect entity identification (Trace Collect Entity ID, referred to as TCE ID), surveying record retention time.
In specific implementation process, when above-mentioned measurement configuration messages carries the surveying record retention time, when UE enters connected state, UE is after network equipment sends the indication information that has measurement result to report, the measurement result that this UE never receives network equipment reports request, be greater than if record the surveying record retention time received memory time, this UE can empty the surveying record of its record, thereby can effectively save storage space volume.
In preferred implementation process, for the universal land radio access web E-UTRAN system of evolution, the indication information that UE will have measurement result to report is carried in one of following message and is sent: the Radio Resource control connection has been set up message, radio resource control connection reestablishment and has been found message, wireless resource control connection reconfiguration and complete the upstream message that message, described UE send when connected state; For universal land radio access web UTRAN system, the indication information that UE will have measurement result to report is carried in one of following message and is sent: the Radio Resource control connection has been set up message, UTRAN handoff completion message, cell update message, UTRAN Acceditation Area updating message, UTRAN mobility information acknowledge message, measurement report, the upstream message that described UE sends when connected state.
In preferred implementation process, for UTRAN system and E-UTRAN system, network equipment reports request to be carried in following message measurement result and is sent: the UE information request message.
In preferred implementation process, for UTRAN system and E-UTRAN system, UE is carried at measurement result in following message and is reported: the UE info response message.
Preferably, in step S108, the measurement result that UE reports can comprise: the TCE sign.By this sign is sent to network equipment, network equipment can be mapped to the IP address that signaling is collected entity according to TCE ID, measurement result is sent to signaling and collect entity TCE.By this processing, can guarantee network equipment reporting measurement result exactly.
Further describe above-mentioned preferred implementation below in conjunction with Fig. 2 to Fig. 5.
Fig. 2 is the flow chart of the minimum road test method of the example one according to the present invention.As shown in Figure 2, the method mainly comprises following processing:
Step S202, RAN receive the MDT measurement demand from CN or OAM, wherein, the area configurations that contains measurement target, measurement in this measurement demand, IP address of Trace Collection Entity signaling are collected one or more in the contents such as IP address of entity.
Step S204, RAN issue by dedicated signaling the UE that logged MDT measurement is configured to connected state.Wherein, for the measurement demand from OAM, RAN selects suitable UE to carry out the MDT measurement.The content of measuring configuration mainly comprises that measurement target, wireless (radio) measure, measure the distributing sustainable time (configuration ofthe logging duration), record trigger condition (based on event Event), absolute time with reference to (absolute time reference), area configurations (area configuration, as cell list cell list or tracking area list TA list), traceReference, TCE id, measure wherein one or more such as the state carried out; For example, measurement target is Random access failure, and is designated as Idle state and connected state is measured, for example can indicate with two bit, as 00 expression is only measured at Idle state, 01 means only in the link state, to measure, and 11 are illustrated in Idle state and connected state can be measured.So here measuring the state configuration of carrying out is 11.
Step S206, UE carry out logged MDT and measure and store.
In preferred implementation process, after UE receives and measures configuration messages, measure configuration and come into effect.UE start to measure according to the measuring state of indication, and checks that current Serving cell whether in area configurations, if start, otherwise does not start measurement.For example, UE has opened the measurement of RACH access failure at connected state, UE can start the measurement of RACH when the RACH process starts, and for example can comprise: start the radio signal quality of Serving cell and peripheral cell is measured, record the configuration information of rach access and the positional information of UE.When RACH procedure failure UE stores it, UE can be when connected state the reporting measurement result to network side, for example, when the measurement result of storage surpasses a certain memory headroom size.When UE proceeds to Idle state, UE proceeds the measurement of RACH access failure the result that record is measured.If the measurement distributing sustainable time is overtime, UE can remove the measurement configuration received, and is no longer measured.
Step S208, UE can adopt a new message to be reported to network side as message 1 at connected state, after network side receipt message 1, according to circumstances determine whether to obtain measurement result, if need to obtain measurement result, to UE, send message 2, request UE sends logged MDT measurement result, and UE is by message 3 reporting measurement results.
Here only show the precedence relationship between message 1 and message 2, do not send at once message 2 after not limiting wireless access network receipt message 1, as after base station receives message 1, just ask after may spending longer a period of time UE to send message 2 (the irrelevant message of other and MDT may be arranged between message 1 and message 2).
Concrete, in the E-UTRAN system, message 1 has set up message (RRCConnectionSetupComplete) for the Radio Resource control connection or radio resource control connection reestablishment has found message (RRCConnectionReestablishmentComplete) or wireless resource control connection reconfiguration completes message (RRCConnectionReconfigurationComplete), wherein carries available logged MDT indication (LogMeasAvailable).
In the UTRAN system, message 1 has been set up message (RRC CONNECTIONSETUP COMPLETE) or, to UTRAN handoff completion message (HO TO UTRAN COMPLETE) or cell update message (CELL UPDATE) or UTRAN Acceditation Area updating message (URA UPDATE) or UTRAN mobility information acknowledge message (UTRAN MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), has wherein been comprised available logged MDT indication (LoggedMeasAvailable) for the Radio Resource control connection.
Concrete:
In the E-UTRAN system, message 2 is UE information request message (UElnformationRequest).
In the UTRAN system, message 2 is UE information request message (UE INFORMATION REQUEST).
Concrete:
In E-UTRAN and UTRAN system, message 3 is UE info response message (UElnformationResponse), comprises wherein one or more of rach access failure information, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc.Wherein, rach access failure information can comprise RACH failure cause and RACH configuration information, wherein one or more such as Serving cell id.
If network side does not send message 2 request UE reporting measurement results to UE, UE continues stores it, and the indication that can repeatedly report logged MDT surveying record to report.Until surpass the certain hour thresholding, UE removes the measurement result of preserving.Described time threshold is to measure the surveying record retention time of carrying in configuration or a time value of agreement.
After step S210, network side get logged MDT measurement result, according to TCE id, be mapped to the IP address that signaling is collected entity, measurement result sent to signaling and collect entity TCE.
Fig. 3 is the flow chart of the minimum road test method of the example two according to the present invention.As shown in Figure 3, the method mainly comprises following processing:
Step S302, RAN receive the MDT measurement demand from CN or OAM, one or more in the content such as wherein, join in the zone of containing target, the measurement of measurement in this measurement demand, IP address ofTrace Collection Entity.
Step S304, RAN issue by dedicated signaling the UE that logged MDT measurement is configured to the link state.Wherein, for the measurement demand from OAM, RAN need to select suitable UE to carry out the MDT measurement.Deploy content mainly comprise measurement target, wireless (radio) measure, measure distributing sustainable time (configuration of the logging duration), absolute time with reference to (absolute time reference), area configurations (area configuration, as cell list cell list or tracking area list TA list), traceReference, TCE id etc. wherein one or more; Wherein, measurement target is radio linkfailure.
Step S306, UE carry out logged MDT and measure and store.
In preferred implementation process, after UE receives and measures configuration messages, according to the measuring state of indication, start and measure, and check that current Serving cell whether in area configurations, if start, otherwise does not start measurement.For example, measurement target is radiolink failure, and UE can only open measurement at connected state.UE has detected radio link failure at connected state, result storage that the UE record is measured, and UE can the reporting measurement result arrive network side when entering connected state.Optionally, UE started the measurement to the radio signal quality of Serving cell and adjacent area in inspection before radio link failure, and only retained last measurement result until radio link failure generation detected.If the measurement distributing sustainable time is overtime, UE can remove the measurement configuration received, and is no longer measured.
The indication that step S308, UE can report logged MDT surveying record to report in message 1, after wireless access network receipt message 1, send message 2 to UE, with request UE, sends logged MDT measurement report.UE is by message 3 reporting measurement results.
Here only show the precedence relationship between message 1 and message 2, do not send at once message 2 after not limiting wireless access network receipt message 1, as after base station receives message 1, just ask after may spending longer a period of time UE to send message 2 (the irrelevant message of other and MDT may be arranged between message 1 and message 2).
Concrete, in the E-UTRAN system, message 1 has set up message (RRCConnectionSetupComplete) for the Radio Resource control connection or radio resource control connection reestablishment has found message (RRCConnectionReestablishmentComplete) or wireless resource control connection reconfiguration completes message (RRCConnectionReconfigurationComplete), wherein carries available logged MDT indication (LogMeasAvailable).
In the UTRAN system, message 1 has been set up message (RRC CONNECTIONSETUP COMPLETE) or, to UTRAN handoff completion message (HO TO UTRAN COMPLETE) or cell update message (CELL UPDATE) or UTRAN Acceditation Area updating message (URA UPDATE) or UTRAN mobility information acknowledge message (UTRAN MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), has wherein been comprised available logged MDT indication (LoggedMeasAvailable) for the Radio Resource control connection.
Concrete:
In the E-UTRAN system, message 2 is UE information request message (UElnformationRequest).
In the UTRAN system, message 2 is UE information request message (UE INFORMATION REQUEST).
Concrete:
In E-UTRAN and UTRAN system, message 3 is UE info response message (UElnformationResponse), comprises wherein one or more of radio link failure information, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc.Wherein radio link failure packets of information contains: the overall identification of RLFDe community occurs, wherein one or more such as radio signal quality of Serving cell and peripheral cell when RLF occurs.
If network side does not send message 2 request UE reporting measurement results to UE, UE continues stores it, and the indication that can repeatedly report logged MDT surveying record to report.Until surpass the certain hour thresholding, UE removes the measurement result of preserving.Described time threshold is to measure the surveying record retention time of carrying in configuration or a time value of agreement.
After step S310, network side get logged MDT measurement result, according to TCE id, be mapped to the IP address that signaling is collected entity, measurement result sent to signaling and collect entity TCE.
Fig. 4 is the flow chart of the minimum road test method of the example three according to the present invention.As shown in Figure 4, the method mainly comprises following processing:
Step S402, RAN receive the MDT measurement demand from CN or OAM, one or more in the content such as wherein, join in the zone of containing target, the measurement of measurement in this measurement demand, IP address ofTrace Collection Entity.
Step S404, RAN issue by specific messages the UE that logged MDT measurement is configured to the link state.Wherein, for the measurement demand from OAM, RAN need to select suitable UE to carry out the MDT measurement.Deploy content mainly comprise measurement target, wireless (radio) measure, measure distributing sustainable time (configuration ofthe logging duration), absolute time with reference to (absolute time reference), record period (periodicity), record wherein one or more of trigger condition (as periodicity Periodic), area configurations (area configuration, as cell list cell list or tracking area list TA list), traceReference, TCE id etc.; Wherein, measurement target is Qos, and concrete measuring object can be one or more in the throughput, packet loss, packet delay index of PDCP and/or RLC and/or MAC layer.
Step S406, UE carry out logged MDT and measure and store.
In preferred implementation process, after UE receives and measures configuration messages, according to the measuring state of indication, start and measure, and check that current Serving cell whether in area configurations, if start, otherwise does not start measurement.Measurement target is Qos, and UE can only open measurement at connected state.UE periodically measures according to measuring configuration, and each record period of interval records one-shot measurement result storage.
If the measurement distributing sustainable time is overtime, UE can remove the measurement configuration received, and is no longer measured.
The indication that step S408, UE can report logged MDT surveying record to report in message 1, after wireless access network receipt message 1, send message 2 to UE, with request UE, sends logged MDT measurement report.UE is by message 3 reporting measurement results.
Here only show the precedence relationship between message 1 and message 2, do not send at once message 2 after not limiting wireless access network receipt message 1, for example, after base station receives message 1, just ask after may spending longer a period of time UE to send message 2 (the irrelevant message of other and MDT may be arranged between message 1 and message 2).
Concrete, in the E-UTRAN system, message 1 has set up message (RRCConnectionSetupComplete) for the Radio Resource control connection or radio resource control connection reestablishment has found message (RRCConnectionReestablishmentComplete) or wireless resource control connection reconfiguration completes message (RRCConnectionReconfigurationComplete), wherein carries available logged MDT indication (LogMeasAvailable).
In the UTRAN system, message 1 has been set up message (RRC CONNECTIONSETUP COMPLETE) or, to UTRAN handoff completion message (HO TO UTRAN COMPLETE) or cell update message (CELL UPDATE) or UTRAN Acceditation Area updating message (URA UPDATE) or UTRAN mobility information acknowledge message (UTRAN MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), has wherein been comprised available logged MDT indication (LoggedMeasAvailable) for the Radio Resource control connection.
Concrete:
In the E-UTRAN system, message 2 is UE information request message (UElnformationRequest).
In the UTRAN system, message 2 is UE information request message (UE lNFORMATION REQUEST).
Concrete:
In E-UTRAN and UTRAN system, message 3 is UE info response message (UElnformationResponse), comprises wherein one or more of Qos metrical information, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc.Wherein the Qos metrical information comprises: one or more in the throughput of PDCP and/or RLC and/or MAC layer, packet loss, packet delay index, can also contain the community overall identification of measurement.
If network side does not send message 2 request UE reporting measurement results to UE, UE continues stores it, and the indication that can repeatedly report logged MDT surveying record to report.Until surpass the certain hour thresholding, UE removes the measurement result of preserving.Described time threshold is to measure the surveying record retention time of carrying in configuration or a time value of agreement.
After step S410, network side get logged MDT measurement result, according to TCE id, be mapped to the IP address that signaling is collected entity, the Qos measurement result sent to signaling and collect entity TCE.
Fig. 5 is the flow chart of the minimum road test method of the example four according to the present invention.As shown in Figure 5, the method mainly comprises following processing:
Step S502, RAN receive the MDT measurement demand from CN or OAM, one or more in the content such as wherein, join in the zone of containing target, the measurement of measurement in this measurement demand, IP address ofTrace Collection Entity.
Step S504, RAN issue by specific messages the UE that logged MDT measurement is configured to the link state.Wherein, for the measurement demand from OAM, RAN need to select suitable UE to carry out the MDT measurement.Deploy content mainly comprise measurement target, wireless (radio) measure, measure distributing sustainable time (configuration ofthe logging duration), absolute time with reference to (absolute time reference), record period (periodicity), record wherein one or more of trigger condition (as periodicity Periodic or Event triggered), area configurations (area configuration, as cell list cell list or tracking area list TA list), traceReference, TCE id etc.; Wherein, measurement target is that RACH access failure measures and Qos measures, and is respectively Event triggered and cycle triggering.Contain record period (periodicity) in the measurement configuration that Qos measures.Contain and measure the state information of carrying out in the measurement configuration that RACH access failure measures, indication UE is measured at Idle state.
Step S506, UE carry out logged MDT and measure and store.
In preferred implementation process, after UE receives and measures configuration messages, according to the measuring state of indication, start and measure, and check that current Serving cell whether in area configurations, if start, otherwise does not start measurement.Measurement target is Qos, and UE can only open measurement in the link state.UE periodically measures according to measuring configuration, and each record period of interval records one-shot measurement result storage.UE is transferred to Idle state and opens the measurement of RACH access failure when meeting the area configurations condition, UE can start the measurement of RACH when the RACH process starts, for example can comprise: start the radio signal quality of Serving cell and peripheral cell is measured, record the configuration information of rach access and the positional information of UE, when RACH procedure failure UE stores it.Described time threshold is to measure the surveying record retention time of carrying in configuration or a time value of agreement.
If the measurement distributing sustainable time is overtime, UE can remove the measurement configuration received, and is no longer measured.
The indication that step S508, UE can report logged MDT surveying record to report in message 1, after wireless access network receipt message 1, send message 2 to UE, with request UE, sends logged MDT measurement report.UE is by message 3 reporting measurement results.
Here only show the precedence relationship between message 1 and message 2, do not send at once message 2 after not limiting wireless access network receipt message 1, as after base station receives message 1, just ask after may spending longer a period of time UE to send message 2 (the irrelevant message of other and MDT may be arranged between message 1 and message 2).
Concrete, in the E-UTRAN system, message 1 has set up message (RRCConnectionSetupComplete) for the Radio Resource control connection or radio resource control connection reestablishment has found message (RRCConnectionReestablishmentComplete) or wireless resource control connection reconfiguration completes message (RRCConnectionReconfigurationComplete), wherein carries available logged MDT indication (LogMeasAvailable).
In the UTRAN system, message 1 has been set up message (RRC CONNECTIONSETUP COMPLETE) or, to UTRAN handoff completion message (HO TO UTRAN COMPLETE) or cell update message (CELL UPDATE) or UTRAN Acceditation Area updating message (URA UPDATE) or UTRAN mobility information acknowledge message (UTRAN MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), has wherein been comprised available logged MDT indication (LoggedMeasAvailable) for the Radio Resource control connection.
Concrete:
In the E-UTRAN system, message 2 is UE information request message (UElnformationRequest).
In the UTRAN system, message 2 is UE information request message (UE lNFORMATION REQUEST).
Concrete:
In E-UTRAN and UTRAN system, message 3 is UE info response message (UElnformationResponse), comprises wherein one or more of Qos metrical information, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc.Wherein the Qos metrical information comprises: PDCP and or RLC and or the throughput of MAC layer, packet loss, packet delay index in one or more, can also contain the overall identification of measuring the community, place.Wherein, rach access failure information can comprise RACH failure cause and RACH configuration information, wherein one or more such as Serving cell id.
If network side does not send message 2 request UE reporting measurement results to UE, UE continues stores it, and the indication that can repeatedly report logged MDT surveying record to report.Until surpass the certain hour thresholding, UE removes the measurement result of preserving.Described time threshold is to measure the surveying record retention time of carrying in configuration or a time value of agreement.
After step S510, network side get logged MDT measurement result, according to TCE id, be mapped to the IP address that signaling is collected entity, Qos measurement result and rach access failure measurement result are sent to signaling collection entity TCE.
Fig. 6 is the structured flowchart according to the minimum road test device of the embodiment of the present invention.As shown in Figure 6, this minimum road test device comprises: the first receiver module 10 comes from the measurement configuration messages of network equipment for reception; Determination module 20, for according to measuring configuration messages, determining and measure the state carried out wherein, measure the state of carrying out and comprise one of following: Idle state; Connected state; Idle state and connected state; Measurement module 30, for carrying out and measure and preserve measurement result under the state measuring execution; Sending module 40, for the process that enters connected state at UE or when the connected state, send the indication information that has measurement result to report to network equipment; The second receiver module 50, the measurement result that comes from network equipment for reception reports request; Reporting module 60, for the reporting measurement result.
In the device shown in Fig. 6, measurement module 30 all carries out the metrical information collection at connected state and Idle state, and reporting module 60 reports request reporting measurement result according to the measurement result of network equipment.Solved in the correlation technique UE in correlation technique and reported immediately for the measurement of connected state, caused the problem that signaling consumption is larger, and then can effectively save signaling consumption.
Preferably, determination module 20, for when the measurement configuration messages carries measurement target, determine according to measurement target the state of carrying out of measuring.
Preferably, determination module 20, for when measuring configuration messages and carry the indication information of the state that indication measurement carries out and measurement target, the indication information of the state of carrying out according to indication measurement is determined the state of carrying out of measuring.
Preferably, measurement module 30 may further include: the first processing unit, for at the measurement configuration messages, also carrying and measure distributing sustainable during the time, measure distributing sustainable and measured and preserve surveying record in the time under measuring the state of carrying out, the state of being carried out by non-measurement in the time at the measurement distributing sustainable continues execution when forwarding to and measuring the state of carrying out and measures and preserve surveying record; The second processing unit, for when forwarding the state of non-measurement execution to, hang measurement and configure and preserve surveying record.
Preferably, above-mentioned measurement configuration messages can also carry following one of at least: wireless measurement indication, record period, record trigger condition, absolute time reference, area configurations, track reference indication, the indication of track record session reference, TCE sign, surveying record retention time.
In preferred implementation process, network equipment is UE configuration logged MDT by the RRC dedicated signaling, UE is measured according to measuring configuration, deploy content mainly comprises measurement target, wireless (radio) measures, measure the distributing sustainable time (configuration of the logging duration), record period (periodicity), record trigger condition (for example periodically Periodic or based on event Event), absolute time is with reference to (absolute time reference), area configurations (area configuration, as cell list cell list or tracking area list TA list), track reference (traceReference), track record session reference traceRecordingSessionReference, TCE ID (trace collect entity ID), measure the state of carrying out, wherein one or more such as surveying record retention time,
The first receiver module of UE receives logged MDT measure configuration after, determination module determines according to measuring configuration messages the state of carrying out of measuring, and wherein, measures the state of carrying out and comprises one of following: Idle state; Connected state; Idle state and connected state; Measurement module is measured in the time measuring distributing sustainable, and records measurement result, and sending module sends the indication of a logMeasAvailable at connected state UE, after network equipment receives indication, can allow the UE reporting measurement reports.UE can be at connected state by the indication of a logMeasAvailable of information reporting, and wherein, this message can be to forward to and link the message that state is transmission from the idle state, or the upstream message sent in connected state.
Further, for logged MDT configuration, network equipment can, for different measurement target, arrange the state that different measurements is carried out, for example: Idle state, connected state, Idle state and connected state.Measured in measuring the state of carrying out for UE, at the state of non-measurement execution, hang the measurement configuration and preserve surveying record, continued to carry out measurement when the measurement distributing sustainable forwards the state of measuring execution in the time.
Further, for logged MDT configuration, can be for different measurement target, the state that UE can measure according to oneself is measured, and for example some measurement target UE can measure at Idle state and connected state, all measures.For example periodically descending pilot frequency measurement (Periodical downlink pilot measurements) of measurement target, the Serving cell signal quality is lower than a thresholding (Serving Cell becomes worse than threshold), random access failure (Random access failure), paging channel failure (Paging Channel Failure (PCCH Decode Error), broadcast channel failure (BroadcastChannel failure) can be measured at Idle state and connected state, measurement target transmitting power space is less than the measurement target such as a thresholding (Transmit power headroom becomes less than threshold), Radio Link Failure report (Radio link failure report), QoS (quality of service) performance and can only measures at connected state.
In sum, by above-described embodiment provided by the invention, adopt the minimum road test mode all to carry out the metrical information collection at connected state and Idle state, and report request reporting measurement result according to the measurement result of network equipment.Solved in the correlation technique UE in correlation technique and reported immediately for the measurement of connected state, caused the problem that signaling consumption is larger, and then can effectively save signaling consumption.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby they can be stored in storage device and be carried out by calculation element, perhaps they are made into respectively to each integrated circuit modules, perhaps a plurality of modules in them or step being made into to the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. the method for a minimum road test, is characterized in that, comprising:
User equipment (UE) receives the measurement configuration messages that comes from network equipment;
The state that described UE determine to measure carries out according to described measurement configuration messages, and carry out and measures and preserve measurement result under the state of carrying out in described measurement, wherein, it is one of following that the state of described measurement execution comprises: Idle state; Connected state; Idle state and connected state;
When described UE enters in the process of connected state or during in connected state, described UE sends the indication information that has measurement result to report to network equipment;
Described UE receives the measurement result that comes from described network equipment and reports request, and the reporting measurement result.
2. method according to claim 1, is characterized in that, described measurement configuration messages carries: measurement target, described UE determines that measuring the state of carrying out comprises: described UE determines according to described measurement target the state that described measurement is carried out.
3. method according to claim 1, it is characterized in that, described measurement configuration messages carries: indication information and the measurement target of the state that indication measurement is carried out, described UE determines that measuring the state of carrying out comprises: the indication information of the state that described UE carries out according to described indication measurement is determined the state that described measurement is carried out.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described measurement configuration messages also carries: measure the distributing sustainable time, the state that described UE determine to measure carries out according to described measurement target, and carry out under the state of carrying out in described measurement and measure and preserve surveying record and comprise:
Measured and preserved surveying record under the state that described UE carries out in described measurement;
Described UE, when forwarding the state of non-described measurement execution to, hangs measurement and configures and preserve surveying record;
When described UE forwards the state of described measurement execution within the described measurement distributing sustainable time, continue to carry out and measure and preserve surveying record.
5. according to the method in any one of claims 1 to 3, it is characterized in that, described measurement configuration messages also carry following one of at least: wireless measurement indication, record period, record trigger condition, absolute time reference, area configurations, track reference indication, the indication of track record session reference, follow the tracks of and collect entity TCE sign, measurement result retention time.
6. according to the method in any one of claims 1 to 3, it is characterized in that,
For the universal land radio access web E-UTRAN system of evolution, described UE is carried at the described indication information that has measurement result to report in one of following message and is sent: the Radio Resource control connection has been set up message, radio resource control connection reestablishment and has been found message, wireless resource control connection reconfiguration and complete the upstream message that message, described UE send when connected state; For universal land radio access web UTRAN system, described UE is carried at the described indication information that has measurement result to report in one of following message and is sent: the Radio Resource control connection has been set up the upstream message that message, UTRAN handoff completion message, cell update message, UTRAN Acceditation Area updating message, UTRAN mobility information acknowledge message, measurement report, described UE send when connected state.
7. according to the method in any one of claims 1 to 3, it is characterized in that, described measurement result comprises: the TCE sign.
8. the device of a minimum road test, is characterized in that, comprising:
The first receiver module, come from the measurement configuration messages of network equipment for reception;
Determination module, for the state of determine to measure carrying out according to described measurement configuration messages, wherein, it is one of following that the state that described measurement is carried out comprises: Idle state; Connected state; Idle state and connected state;
Measurement module, for carrying out and measure and preserve measurement result under the state of carrying out in described measurement;
Sending module, for the process that enters connected state at UE or when the connected state, send the indication information that has measurement result to report to network equipment;
The second receiver module, the measurement result that comes from described network equipment for reception reports request;
Reporting module, for the reporting measurement result.
9. device according to claim 8, is characterized in that, described determination module, for when described measurement configuration messages carries measurement target, determines according to described measurement target the state that described measurement is carried out.
10. device according to claim 8, it is characterized in that, described determination module, during for the indication information that carries the state that indication measurement carries out at described measurement configuration messages and measurement target, the indication information of the state of carrying out according to described indication measurement is determined the state that described measurement is carried out.
11. according to Claim 8 to 10, the described device of any one, is characterized in that, described measurement module comprises:
The first processing unit, measure distributing sustainable during the time for also carrying at described measurement configuration messages, measured and preserve surveying record in the described measurement distributing sustainable time under the state of carrying out in described measurement, the state of being carried out by non-described measurement within the described measurement distributing sustainable time continues to carry out while forwarding the state that described measurement carries out to measures and preserves surveying record;
The second processing unit, for when forwarding the state of non-described measurement execution to, hang measurement and configure and preserve surveying record.
12. the described device of any one according to Claim 8 to 10, it is characterized in that, described measurement configuration messages also carry following one of at least: wireless measurement indication, record period, record trigger condition, absolute time reference, area configurations, track reference indication, the indication of track record session reference, follow the tracks of and collect entity TCE sign, surveying record retention time.
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| PCT/CN2012/071861 WO2012152108A1 (en) | 2011-08-16 | 2012-03-02 | Method and device for minimization of drive test |
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| CN102938905B (en) | 2017-04-12 |
| WO2012152108A1 (en) | 2012-11-15 |
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