CN102752789A - Minimization of drive test method, system and user equipment (UE) - Google Patents
Minimization of drive test method, system and user equipment (UE) Download PDFInfo
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Abstract
The invention relates to a minimization of drive test (MDT) method, a system and user equipment (UE). The method comprises the following steps that a radio access network transmits MDT configuration information to the UE, wherein the MDT configuration information comprises a measuring amount and/or a report amount for verifying or optimizing quality of service (QoS); and the UE receives the configuration information, and performs the MDT according to the configuration information so as to obtain and report a measuring report. By the method, the system and the UE disclosed by the invention, verification or optimization of the QoS can be realized by using the MDT technology.
Description
Technical field
The present invention relates to the communications field, relate in particular to and minimize trackside method, system and subscriber equipment in a kind of wireless communication system.
Background technology
Utilize special equipment to carry out the 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; EvolvedUniversal Terrestrial Radio Access Network comprises evolution base station eNB) version 10 (Release-10) of system begins to introduce minimum road test (MDT, Minimization of Drive Test) function.Minimum road test functional utilization subscriber equipment (UE, User Equipment, or be called the terminal) is collected metrical information automatically and is reported to wireless access network (RAN through 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 through wireless access network again; Operation AndMaintenance) entity (TCE is collected in tracking; Trace Collection Entity), is used for the network optimization, for example finds and solve network coverage problem.Minimum road test is mainly used in the realization coverage optimization at present.
Minimum road test supports subscriber equipment to connect control (RRC, RadioResource Control) idle condition (IDLE) " record minimum road test (logged MDT) " and Radio Resource control (RRC) connection status (CONNECTED) " minimum road test (immediateMDT) immediately " at Radio Resource in the prior art.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 _ PCH state (URA_PCH) for the UTRAN system), the condition that is disposed collects when satisfying and storage measurement of correlation information reports to wireless access network after being used for again when wireless access network requires, report to TCE through wireless access network again.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; Sub-district _ forward access channel status (CELL_FACH) is not supported minimum road test and record minimum road test immediately at present) collect measurement of correlation information and when the report condition satisfies, report to wireless access network, report to TCE through wireless access network again.
RAN is UE configuration logged MDT through the RRC dedicated signaling; Deploy content comprises that mainly wireless (radio) measures, writes down duration (logging duration), record cycle (periodicity), record trigger condition (like periodicity Periodic or based on incident Event), (area configuration is like cell list cell list or tracking area tabulation TA list with reference to (absolute time reference), area configurations for absolute time; Explanation logged MDT is effective in registering public land mobile network (RPLMN, the Registered Public Land Mobile Network) scope of UE when not disposing.The content of wireless measurement comprises Reference Signal Received Power (RSRP in descending pilot frequency ionization meter (downlink pilot strength), the E-UTRAN system; Reference Signal Received Power), the frequency division multiplex (FDD of UTRAN system; Frequency Division Duplex) CPICH Common Pilot Channel (CPICH in the pattern; Common Pilot Channel) received signal code power (RSCP; Received SignalCode Power), the every modulation bit of the fdd mode CPICH of UTRAN system and noise spectral density are than Ec/No (Ratio of energy per modulating bit to the noise spectral density), UTRAN system TDD mode Primary Common Control Physical Channel (P-CCPCH; Primary Common ControlPhysical Channel) RSCP and Interference Signal Code Power (ISCP, Interference Signal CodePower) etc.UE also comprises according to the collected measurement contents with storage of logged MDT configuration: wireless measurement result and corresponding position information; Like GLONASS (GNSS; GlobalNavigation Satellite System) positional information or radio frequency finger mark (RF fingerprint) information, and timestamp (time stamp) information; Timestamp is that relative time stabs, the absolute time reference when receiving logged MDT configuration with respect to UE.If UE has disposed logged MDT and the measurement result of storage has been arranged; Then set up in the message such as accomplishing message, the upright completion of radio resource control connection reestablishment message, wireless resource control connection reconfiguration completion message to the indication of wireless access network report record minimum road test in connection status Radio Resource control connection; Wireless access network is through UE information request message notice UE report logged MDT measurement result, and UE reports the measurement result of logged MDT in the UE info response message to wireless access network through Signaling Radio Bearer (SRB) (use among the E-UTRAN among SRB2, the UTRAN and use SRB4).The measurement result that Logged MDT is stored is removed from UE after report; Logged MDT configuration information is removed in overtime back of the duration of being disposed; If wireless access network is not asked UE report logged MDT, then the logged MDT measurement result of being stored was removed later on overtime back 48 hours of duration.
UE only is configured into the collection and the storage of line correlation metrical information in idle condition according to logged MDT, when UE gets into connection status, stops above-mentioned behavior; When UE gets into Idle state again,, continue measurement of correlation information collecting and storage if still be in the record duration scope that is disposed.Any time; UE only supports a kind of wireless access technology (RAT; Radio Access Technology) specific logged MDT disposes; When other RAT had selected same UE to dispose logged MDT, logged MDT configuration information originally and recorded content replaced by deletion and by new configuration.UE only being positioned at its RAT scope that has disposed logged MDT collection and record measurement of correlation information, when promptly UE gets into other RAT, stops above-mentioned behavior, measurement result that can not be reporting recorded; When UE gets into it again and disposed the RAT of logged MDT and be in idle condition,, continue measurement of correlation information collecting and storage if still be in the record duration scope that is disposed.The RPLMN that Logged MDT configuration is only registered when UE receives logged MDT configuration is effective, is referred to as MDTPLMN.
Minimum road test uses existing RRC measuring process immediately, in measurement configuration and report configuration, has expanded positional information.The measurement configuration of minimum road test comprises that for the E-UTRAN system RSRP of M1 categorical measures: UE and Reference Signal Received Quality (RSRQ, Reference Signal ReceivedQuality) are measured, the M2 categorical measures immediately: uplink signal strength/signal that UE power headroom reporting (PHR) (PHR) is measured, M3 categorical measures: eNB is measured and interference-to-noise ratio are measured.The trigger condition of measurement report comprises that for the M1 categorical measures periodicity, Serving cell RSRP are lower than threshold value (incident A2), Radio Link Failure (RLF, Radio Link Failure); Use the defined PHR trigger condition of media access control layer (MAC, Medium Access Control) in the existing Radio interface protocols for the M2 categorical measures; As the base station problem of implementation, do not define concrete trigger condition for the M3 categorical measures.The measurement configuration of minimum road test comprises CPICH RSCP and CPICH Ec/No, the M2 categorical measures that M1 categorical measures: UE measures for the UTRAN system immediately: P-CCPCH RSCP and Timeslot ISCP, M3 categorical measures that UTRA 1.28TDD pattern UE measures: uplink signal strength/signal that Node B measures and interference-to-noise ratio are measured.The trigger condition of measurement report comprises that for the M1 categorical measures periodicity, Primary CPICH are lower than absolute thresholding (incident 1F); For the M2 categorical measures, for time slot (Timeslot) ISCP is higher than certain threshold (above a certain threshold (TDD)) (incident 1I).Measurement result during for Radio Link Failure; UE can't report measurement result immediately; Allow relevant wireless measurement result of UE preservation and corresponding position information, temporal information, found the RLF relevant information of successfully perhaps setting up successfully or after the wireless resource control connection reconfiguration success, being stored to wireless access network report again at the UE radio resource control connection reestablishment in new Radio Resource control connection.Reporting of minimum road test result adopted the corresponding process of existing Radio Resource control immediately, reports through SRB1.
The shortcoming of existing minimum road test technology is still not support the QoS authentication function.
Summary of the invention
The technical problem that the present invention will solve provides a kind of minimum road test method, system and subscriber equipment, does not support the problem of QoS authentication function to solve existing minimum road test technology.
For solving above technical problem, the invention provides a kind of minimum road test method, said method comprises:
Wireless access network sends minimum road test (MDT) configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
Said UE receives said configuration information, carries out minimum road test according to said configuration information and obtains measurement report and report.
Further, said wireless access network sends said configuration information through the RRC dedicated control signaling.
Further, said configuration information comprises the trigger condition of measurement, record or report, and said trigger condition is cycle report and/or event report, and said measuring amount and/or report amount comprise positional information or temporal information.
For solving above technical problem, the present invention also provides another kind of minimum road test method, and said method comprises:
Subscriber equipment (UE) receives minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
Said UE carries out minimum road test and reporting measurement reports according to said configuration information.
For solving above technical problem, the present invention also provides a kind of subscriber equipment, and said subscriber equipment comprises:
The configuration information receiver module is used to receive minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize the QoS checking;
The surveying record module is used for carrying out surveying record according to the configuration information that receives;
The reporting measuring result module is used for to the wireless access network reporting measurement reports.
For solving above technical problem, the present invention also provides a kind of minimum road test method, and said method comprises:
Wireless access network obtains the measurement report that is used to verify or optimize QoS;
Said wireless access network reports said measurement report to Operation & Maintenance System (OAM);
Said OAM is according to said measurement report checking or optimize QoS.
For solving above technical problem, the present invention also provides a kind of minimum road test optimization system, and said system comprises:
The metrical information acquiring unit is used to obtain in order to optimize or to verify the measurement report of QoS;
The metrical information analytic unit is used to analyze the measurement report that obtains;
The unit is optimized in QoS checking, is used for QoS is verified or optimizing according to the analysis result of said measurement report.
Wireless access network obtains the measurement report that is used to verify or optimize QoS voluntarily and/or from UE among the present invention, and then carries out the QoS check analysis by the TCE of wireless access network or OAM, to improve the using value of minimum road test.
Description of drawings
Fig. 1 is the schematic flow sheet of minimum road test method of the present invention;
Fig. 2 is the sketch map of the inventive method embodiment one;
Fig. 3 is the inventive method embodiment two sketch mapes;
Fig. 4 is the inventive method embodiment three sketch mapes;
Fig. 5 is the inventive method embodiment four sketch mapes;
Fig. 6 is the inventive method embodiment five sketch mapes;
Fig. 7 is the inventive method embodiment six sketch mapes;
Fig. 8 is the modular structure sketch map of minimum road test of the present invention system.
Embodiment
The main thought of minimum road test method and system of the present invention is that wireless access network obtains the measurement report that is used to verify or optimize QoS voluntarily and/or from UE; And then carry out the QoS check analysis by the TCE of wireless access network or OAM, to improve the using value of minimum road test.
As shown in Figure 1, minimum road test method of the present invention comprises:
Measuring amount in the configuration information and/or report amount comprise following one or more:
Channel quality indication (CQI, Channel Quality Indicator) and/or pre-coding matrix indication (PMI, Precoding Matrix Indicator) and/or classification indication (RI, rank indication);
Power headroom reporting (PHR) (PHR, Power Headroom Report) measurement result;
Modulation and Coding Scheme in the down dispatch information of UE or resource allocation (Resource allocation) information (MCS, Modulation and Coding Scheme) or MCS index (I
MCS, MCS Index), and/or transport block size index (I
TBS, Transport Block Size Index), and/or Physical Resource Block number (N
PRB, Physical resource block number);
Modulation and Coding Scheme in the uplink scheduling information of UE or resource allocation (Resource allocation) information (MCS, Modulation and Coding Scheme) or MCS index (I
MCS, MCS Index), and/or transport block size index (I
TBS, Transport Block Size Index), and/or Physical Resource Block number (N
PRB, Physical resource block number);
Downlink throughput capacity (Throughput);
Uplink throughput (Throughput);
Specific radio is carried (Radio Beaer) up assurance bit rate (GBR, Guaranteed BitRate), and/or uplink maximum bit speed (MBR, Maximum Bit Rate), and/or goes up row major bit rate (PBR, Prioritized Bit Rate); And up mean data rate (data rate) in each cycle of actual measurement;
Further, wireless access network configuration UE report Block Error Rate (BLER) and/or bit error rate (BER) information;
Detection reference signal (SRS, Sounding Reference Signal).
Up signal interference ratio (SIR, Signal to Interference rate), Signal to Interference plus Noise Ratio up-link wireless environment measurements such as (SINR, Signalto Interference Noise Rate).
On the basis of above main inventive point, the present invention is except being suitable for connected state UE, also applicable to Idle state UE.
Hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Embodiment one:
As shown in Figure 2, wireless access network is a UE configuration connection status minimum road test immediately.
Step is:
Step 210: wireless access network sends connection status minimum road test configuration information immediately to UE; The report amount that this configuration information comprises comprises one or more in the following message: CQI/PMI/RI metrical information and descending MCS index, transport block size index, Physical Resource Block number, descending SIR, SINR, and the report triggering condition of above-mentioned report amount is periodically;
Convertible ground; Also incident property report CQI/PMI/RI metrical information, descending MCS index, transport block size index, Physical Resource Block number information, descending SIR, SINR, for example when the MCS index compare with preceding once scheduling its value change the absolute value that surpasses certain thresholding or measurement result greater than and/or carry out measurement report when presetting thresholding.
Preferably, the report amount in the configuration information also comprises one or more in the following message: downlink throughput capacity, descending mean bitrate, BLER information.
Step 220:UE receives above-mentioned configuration information, according to be configured in connection status periodically when satisfying (or measurement of incident property or record, work as the measurement of being disposed or record trigger condition in a word) measure or record;
Periodically (or incident property report of step 230:UE; When working as the measurement report trigger condition that is disposed in a word and satisfying) to the report of wireless access network report minimum road test, comprise CQI/PMI/RI metrical information and descending MCS index, transport block size index, Physical Resource Block number, descending SIR, SINR;
The minimum road test report can be minimum road test report immediately, also can be the report of record minimum road test.
Information such as descending MCS index, transport block size index, Physical Resource Block number only just have during by descending scheduling as UE; When report CQI/PMI/RI measures; Information and corresponding position information such as the last descending MCS index, transport block size index, Physical Resource Block number in the UE minute book cycle; If there is not above-mentioned relevant information, then corresponding recorded content is empty.
Preferably, UE also reports downlink throughput capacity, descending mean data rate, BLER information.
Step 240: wireless access network receives the minimum road test report; Analyze with the optimized dispatching algorithm in wireless access network this locality; Checking or optimization QoS, or with the TCE network element of minimum road test report reporting to OAM, analyze with the optimized dispatching algorithm by the TCE network element.
Among the above embodiment 1; Wireless access network obtains down dispatch informations such as MCS index, transport block size index, Physical Resource Block through UE; Convertible ground, wireless access network can be voluntarily periodically or downlink informations such as the measurement of incident property or record MCS index, transport block size index, Physical Resource Block, descending SIR, SINR.
Embodiment two:
As shown in Figure 3, wireless access network is a UE configuration connection status minimum road test immediately.
Step is:
Step 310: wireless access network sends connection status minimum road test configuration information immediately to UE; The report amount that this configuration information comprises comprises one or more in the following message: uplink scheduling informations such as SRS metrical information and up MCS index, transport block size index, Physical Resource Block number, the report triggering condition of above-mentioned report amount are periodically;
Convertible ground, also incident property report MCS index, transport block size index, Physical Resource Block number information are for example compared with preceding once scheduling when the MCS index and are carried out measurement report when its value changes above certain thresholding.
Preferably, the report amount in the configuration information also comprises one or more in the following message: PHR, uplink throughput, up mean bitrate, BLER information.
Step 320:UE receives above-mentioned configuration information, measures or record according to being configured in connection status when satisfying (or measurement of incident property or record, work as the measurement of being disposed or record trigger condition in a word);
Step 330:UE periodically when satisfying (or incident property report, work as the measurement report trigger condition that is disposed in a word) to the wireless access network report minimize measurement report SRS metrical information and up MCS index, transport block size index, Physical Resource Block, etc. downlink information; Its measurement report cycle is with SRS reporting period.
The minimum road test report can be minimum road test report immediately, also can be the report of record minimum road test.
Information such as up MCS index, transport block size index, Physical Resource Block only just have during by uplink scheduling as UE; When report SRS measures; The last up MCS index and corresponding position information in the UE minute book cycle; If there is not above-mentioned information such as relevant, then corresponding recorded content be a sky.
Preferably, also reporting uplink throughput, up mean data rate, BLER information and send PHR of UE according to the existing trigger mechanism of MAC layer.
Step 340: wireless access network receives the minimum road test report; Analyze with the optimized dispatching algorithm in wireless access network this locality; Checking or optimization QoS; And/or, analyze with the optimized dispatching algorithm checking or optimization QoS with the TCE network element of minimum road test report reporting by the TCE network element to OAM.
In above embodiment 2; Wireless access network obtains uplink SRS, MCS index, transport block size index, Physical Resource Block number through UE; Convertible ground, wireless access network can be voluntarily periodically or uplink informations such as the measurement of incident property or record uplink SRS, MCS index, transport block size index, Physical Resource Block number, up SIR, upstream sinr.
Embodiment three:
As shown in Figure 4, wireless access network is a UE configuration connection status minimum road test immediately.
Step is:
Step 410: wireless access network sends connection status minimum road test configuration information immediately to UE, and this configuration information comprises descending and out-hole run configuration related among embodiment 1 and the embodiment 2.
Step 420:UE receives above-mentioned configuration information; Measure or write down and comprise related descending and up measurement of correlation among embodiment 1 and the embodiment 2 according to being configured in connection status when satisfying (or measurement of incident property or record, work as the measurement of being disposed or record trigger condition in a word).
Step 430:UE comprises the content that related descending and up measurement of correlation is reported among embodiment 1 and the embodiment 2 in connection status to wireless access network periodic report when satisfying (or incident property report, work as the measurement report trigger condition that is disposed in a word).
Step 440: wireless access network receives immediately minimum road test report and/or the report of record minimum road test, analyze with the optimized dispatching algorithm in wireless access network this locality, and/or the TCE network element that reports to OAM carries out analyzing and processing.
Correspondingly, also periodicity or the measurement of incident property or record comprise descending and out-hole run configuration related among embodiment 1 and the embodiment 2 to wireless access network voluntarily.
Embodiment four:
As shown in Figure 5, wireless access network is a UE configuration connection status record minimum road test.
Step is:
Step 510: wireless access network sends connection status record minimum road test configuration information through message 1 to UE; Report amount in this configuration information also comprises one or more in the following message: configuration UE is periodically reported the CQI/PMI/RI metrical information immediately, periodically writes down and store descending MCS index, transport block size index, Physical Resource Block number, descending SIR, descending SINR;
Replacedly, also configurable is that event mode is reported or record the description of each embodiment of method before.
Preferably, the report amount in the configuration information also comprises one or more in the following message: downlink throughput capacity, descending mean bitrate, BLER information.
Step 520:UE receives above-mentioned configuration information, and whether with configuration belonging network environment consistent, if unanimity is then measured or record according to configuration information if examining the current network environment;
After UE receives configuration information; Whether examine current place RAT is to receive the RAT that configuration belongs to; Whether and to examine current place PLMN be to receive the RPLMN that configuration belongs to; If, then according to configuration cycle property report CQI/PMI/RI metrical information, periodically (or event mode; The description of each embodiment of method before) write down and store descending MCS index, transport block size index, Physical Resource Block number, descending SIR, descending SINR, its record cycle is with CQI/PMI/RI reporting period.
Information such as descending MCS index, transport block size index, Physical Resource Block number only just have during by descending scheduling as UE; When report CQI/PMI/RI measures; Information and corresponding position information such as the last descending MCS index in the UE minute book cycle; If there are not information such as descending MCS index, then corresponding recorded content is empty.
Alternatively, UE also reports downlink throughput capacity, descending mean data rate, BLER information.
Step 530:UE indicates to wireless access network report logged MDT in message 2 in connection status;
Step 540: wireless access network sends logged MDT measurement result through message 3 to the UE request;
Step 550:UE sends logged MDT measurement result through message 4 to wireless access network;
Step 560: wireless access network is received logged MDT measurement result, analyzes with the optimized dispatching algorithm in wireless access network this locality, and checking or optimize QoS, and/or the TCE network element that reports to OAM carries out analyzing and processing.
Replacedly, wireless access network can be voluntarily periodically or downlink informations such as the measurement of incident property or record MCS index, transport block size index, Physical Resource Block, descending SIR, descending SINR.
Embodiment five:
As shown in Figure 6, wireless access network is a UE configuration connection status record minimum road test.
Step is:
Step 610: wireless access network sends connection status record minimum road test configuration information through message 1 to UE; Report amount in this configuration information also comprises one or more in the following message: configuration UE is periodically reported the SRS metrical information immediately, periodically writes down and store up MCS index, transport block size index, Physical Resource Block number, up SIR, upstream sinr;
Replacedly, also configurable is that event mode is reported or record the description of each embodiment of method before.
Preferably, the report amount in the configuration information also comprises one or more in the following message: uplink throughput, up mean bitrate, BLER information.
Step 620:UE receives above-mentioned configuration information, and whether with configuration belonging network environment consistent, if unanimity is then measured or record according to configuration information if examining the current network environment;
After UE receives configuration information; Whether be receive RAT (refer to E-UTRAN) that configuration belong to, and whether examine current place PLMN be to receive the R-PLMN that configuration belongs to if examining current place RAT, if; Then according to configuration cycle property report SRS metrical information; Periodically (or event mode, the description of each embodiment of method before) writes down and stores up MCS index, transport block size index, Physical Resource Block number, and its record cycle is with SRS reporting period.
Information such as up MCS index only just have during by uplink scheduling as UE; When report SRS measures; Information and corresponding position information such as the last up MCS index in the UE minute book cycle, if there is not information such as up MCS index, then corresponding recorded content be a sky.
Preferably, also reporting uplink throughput, up mean bitrate, BLER information of UE.
Step 630:UE indicates to wireless access network report logged MDT in message 2 in connection status;
Step 640: wireless access network sends logged MDT measurement result through message 3 to the UE request;
Step 650:UE sends logged MDT measurement result through message 4 to wireless access network;
Step 660: wireless access network is received logged MDT measurement result, and line access this locality is analyzed with the optimized dispatching algorithm, checking or optimize QoS, and/or the TCE network element that reports to OAM carries out analyzing and processing.
Replacedly, wireless access network can be voluntarily periodically or uplink scheduling informations such as the measurement of incident property or record uplink SRS, MCS index, transport block size index, Physical Resource Block number.
Embodiment six:
As shown in Figure 7, wireless access network is a UE configuration connection status record minimum road test.
Step is:
Step 710: wireless access network sends connection status record minimum road test configuration information through message 1 to UE, and this configuration information comprises descending and out-hole run configuration related among embodiment 4 and the embodiment 5;
Step 720:UE receives above-mentioned configuration information, and whether with configuration belonging network environment consistent, if unanimity is then measured or record according to configuration information if examining the current network environment;
After UE receives configuration information; Whether examine current place RAT is to receive the RAT (referring to E-UTRAN) that configuration belongs to; Whether and to examine current place PLMN be to receive the R-PLMN that configuration belongs to; If then comprise related descending and out-hole run report content among embodiment 4 and the embodiment 5 according to configuration cycle property (or event mode, the description of each embodiment of method before) record and storage.
Step 730:UE indicates to wireless access network report logged MDT in message 2 in connection status;
Step 740: wireless access network sends logged MDT measurement result through message 3 to the UE request;
Step 750:UE sends logged MDT measurement result through message 4 to wireless access network;
Step 760: wireless access network is received logged MDT measurement result, analyze with the optimized dispatching algorithm in wireless access network this locality, and/or the TCE network element that reports to OAM carries out analyzing and processing.
Replacedly, wireless access network can be voluntarily periodically or the measurement of incident property or record comprise that related descending and out-hole run disposes among embodiment 4 and the embodiment 5.
Preferably, among the embodiment 1-6, measurement result that UE reports or that wireless access network is tested oneself also comprises corresponding position information, temporal information.
Convertible ground; The source of the measurement report that system can obtain wireless access network is provided with, and carries out in the above-mentioned measurement configuration up measurement of correlation and/or storage and/or measurement report (to wireless access network minimum road test measurement report or record minimum road test measurement report immediately) like the wireless access network configuration UE; Wireless access network itself carries out descending measurement of correlation and/or storage and/or measurement report (to the TCE of OAM report) in the above-mentioned measurement configuration.
For embodiment 1,2,3, wireless access network sends connection status minimum road test configuration information immediately to UE, can utilize existing RRC message, like wireless resource control connection reconfiguration message (RRCConnectionReconfiguration)
For embodiment 4,5,6, message 1～4 is represented respectively:
Message 1: in the E-UTRAN system, this message is LoggedMeasurementsConfiguration.In the UTRAN system, this message is LOGGING MEASUREMENT CONFIGURATION.
Message 2: in the E-UTRAN system; This message is: the Radio Resource control connection is set up and is accomplished message (RRCConnectionSetupComplete) or upright message (RRCConnectionReestablishmentComplete) or the wireless resource control connection reconfiguration completion message (RRCConnectionReconfigurationComplete) accomplished of radio resource control connection reestablishment, wherein carries usable record minimum road test indication (LogMeasAvailable).
In the UTRAN system; This message is: the Radio Resource control connection is set up and is accomplished message (RRCCONNECTION SETUP COMPLETE) or to UTRAN handoff completion message (HO TOUTRAN COMPLETE) or cell update message (CELL UPDATE) or UTRAN Acceditation Area updating message (URA UPDATE) or UTRAN mobility information acknowledge message (UTRANMOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENTREPORT), wherein carry usable record minimum road test indication (LoggedMeasAvailable).
Message 3: in the E-UTRAN system, this message is UE information request message (UEInformationRequest).In the UTRAN system, this message is UE information request message (UE INFORMATION REQUEST).
Message 4: in the E-UTRAN system, this message is UE info response message (UEInformationResponse).In the UTRAN system, this message is UE info response message (UE INFORMATION RESPONSE).
MCS index, transport block size index, Physical Resource Block information of number, throughput, mean data rate (wireless access network or OAM can calculate the mean data rate of a period of time scope in view of the above), Block Error Rate, bit error rate, the data rate that measuring amount that the configuration information of above-mentioned each embodiment or drive test report (measurement result) is related or report amount have CQI/PMI/RI measurement result, upstream or downstream, broadcast TV programs by satellite or descending SIR, downlink or uplink SINR etc.; According to concrete QoS checking or optimization demand, can comprise in these measuring amount and/or the report amount one or several in configuration information and the measurement report.
Preferably, among above-mentioned each embodiment, wireless access network receives behind the minimum road test measurement report and to carry out analyzing and processing in this locality, and/or the TCE that reports to OAM to carry out the method for analyzing and processing following:
Wireless access network or OAM are according to the descending radio condition of information analysis and allocation of radio resources and scheduling performances such as CQI/PMI/RI measurement result and descending MCS index, transport block size index, Physical Resource Block information of number, downlink throughput capacity, descending mean data rate (wireless access network or OAM can calculate the mean data rate of a period of time scope in view of the above), Block Error Rate, bit error rate, data rates; Cover the radio condition and the scheduling performance of zones of different according to the corresponding relation phase-split network of above-mentioned information and positional information; According to above-mentioned analysis optimization qos parameter configuration and descending scheduling algorithm;
Wireless access network or OAM are according to information analysis up-link wireless condition and allocation of radio resources and scheduling performances such as PHR measurement result, up SIR and/or SINR measurement result, uplink SRS measurement result and up MCS index, transport block size index, Physical Resource Block number, uplink throughput, up mean data rate (wireless access network or OAM can calculate the mean data rate of a period of time scope in view of the above), Block Error Rate, bit error rates; Cover the radio condition and the scheduling performance of zones of different according to the corresponding relation phase-split network of above-mentioned information and positional information; Optimize qos parameter configuration and uplink scheduling algorithm according to above-mentioned information.
From the angle of UE, minimum road test method of the present invention can be described below:
(A1) subscriber equipment (UE) receives minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
(B1) said UE carries out minimum road test and reporting measurement reports according to said configuration information.
From the angle of wireless access network, minimum road test method of the present invention also can be described below:
(A2) wireless access network obtains the measurement report that is used to verify or optimize QoS;
(B2) wireless access network is according to said measurement report checking or optimization QoS.
Describe according to preamble, said wireless access network can obtain the measurement report that is used to verify or optimize QoS through measurement, also can obtain the measurement report that is used to verify or optimize QoS through following steps:
A, wireless access network send minimum road test (MDT) configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
B, said UE receive said configuration information, carry out minimum road test according to said configuration information and obtain measurement report and report.
In order to realize above method, the present invention also provides a kind of minimum road test optimization system, and is as shown in Figure 8, and this system comprises:
The metrical information acquiring unit is used to obtain in order to optimize or to verify the measurement report of QoS;
The metrical information analytic unit is used to analyze the measurement report that obtains;
The unit is optimized in QoS checking, is used for QoS is verified or optimizing according to the analysis result of said measurement report.
Further, said metrical information acquiring unit comprises:
The configuration information of wireless access network issues module, is used for issuing configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
The configuration information receiver module of UE is used to receive configuration information;
The surveying record module of UE is used for carrying out surveying record according to the configuration information that receives;
The reporting measuring result module of UE is used for to the wireless access network reporting measurement reports;
The measurement result collection module of wireless access network is used to receive the measurement report that said UE reports.
Further, said metrical information analytic unit and/or QoS checking optimization unit is positioned at wireless access network or Operation & Maintenance System (OAM).
Correspondingly, the present invention also provides a kind of subscriber equipment, and said subscriber equipment comprises:
The configuration information receiver module is used to receive minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize the QoS checking;
The surveying record module is used for carrying out surveying record according to the configuration information that receives;
The reporting measuring result module is used for to the wireless access network reporting measurement reports.
As previously mentioned, said measuring amount and/or report amount comprise following at least a: channel quality indication (CQI), pre-coding matrix indication (PMI), classification indication (RI), power headroom reporting (PHR) (PHR), descending or descending scheduling encoding scheme (MCS), MCS index, transport block size index or Physical Resource Block number, upstream or downstream throughput, the up assurance bit rate of radio bearer (GBR), uplink maximum bit speed (MBR), go up row major bit rate (PBR), up average data speed, downlink or uplink SIR, downlink or uplink SINR, Block Error Rate (BLER) or bit error rate (BER) in the cycle.
Minimum road test method of the present invention; Distribute and the report of the measurement result of scheduling performances such as the distribution of Modulation and Coding Scheme, descending/uplink throughput, Block Error Rate through descending/up-link wireless conditioned measurement result and descending/ascending wireless resource; The relation that helps network based above-mentioned information analysis radio condition and scheduling scheme and scheduling performance; And the relation of analysis radio condition, scheduling performance and network coverage diverse location etc.; To carry out qos parameter configuration optimization and/or dispatching algorithm optimization, can collect/report valuable metrical information effectively, be used for optimization of network performance and QoS and promote.Effectively filled up the blank of prior art, the raising of systematic function has been had good gain and effect.
The present invention is used for network analysis and optimizes the qos parameter configuration and regulate corresponding dispatching algorithm through the performance-relevant measurement result of UE report QoS.Especially awaiting reporting to network (comprising wireless access network, core net, OAM) through the minimum road test function for the QoS of RRC connection status UE miscellaneous service performance and user experience etc. analyzes and optimizes.In addition, prior art is not supported the record minimum road test of UE in the RRC connection status yet, and does not need to report immediately for some measurement result in the QoS checking, thereby helps reducing signaling consumption.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to accomplish through program, said program can be stored in the computer-readable recording medium, like read-only memory, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in the foregoing description 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 (13)
1. a minimum road test method is characterized in that, said method comprises:
Wireless access network sends minimum road test (MDT) configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
Said UE receives said configuration information, carries out minimum road test according to said configuration information and obtains measurement report and report.
2. the method for claim 1, it is characterized in that: said wireless access network sends said configuration information through the physical layer dedicated control signaling.
3. the method for claim 1, it is characterized in that: said UE is the UE that is in Idle state and/or connected state.
4. the method for claim 1, it is characterized in that: said measuring amount and/or report amount comprise following at least a: channel quality indication (CQI), pre-coding matrix indication (PMI), classification indication (RI), power headroom reporting (PHR) (PHR), descending or descending scheduling encoding scheme (MCS), MCS index, transport block size index or Physical Resource Block number, upstream or downstream throughput, the up assurance bit rate of radio bearer (GBR), uplink maximum bit speed (MBR), go up row major bit rate (PBR), up average data speed, downlink or uplink SIR, downlink or uplink SINR, Block Error Rate (BLER) or bit error rate (BER) in the cycle.
The method of claim 1 is characterized in that: said configuration information comprises the trigger condition of measurement, record or report, and said trigger condition is cycle report and/or event report, and said measuring amount and/or report amount comprise positional information or temporal information.
5. a minimum road test method is characterized in that, said method comprises:
Subscriber equipment (UE) receives minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
Said UE carries out minimum road test and reporting measurement reports according to said configuration information.
6. a subscriber equipment is characterized in that, said subscriber equipment comprises:
The configuration information receiver module is used to receive minimum road test (MDT) configuration information, and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize the QoS checking;
The surveying record module is used for carrying out surveying record according to the configuration information that receives;
The reporting measuring result module is used for to the wireless access network reporting measurement reports.
7. a minimum road test method is characterized in that, said method comprises:
Wireless access network obtains the measurement report that is used to verify or optimize QoS;
Said wireless access network is according to said measurement report checking or optimize QoS.
8. method as claimed in claim 7 is characterized in that: said wireless access network obtains the measurement report that is used to verify or optimize QoS through measurement.
9. method as claimed in claim 7 is characterized in that: said wireless access network obtains the step that is used to verify or optimizes the measurement report of QoS and comprises:
Wireless access network sends minimum road test (MDT) configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
Said UE receives said configuration information, carries out minimum road test according to said configuration information and obtains measurement report and report.
10. a minimum road test method is characterized in that, said method comprises:
Wireless access network obtains the measurement report that is used to verify or optimize QoS;
Said wireless access network reports said measurement report to Operation & Maintenance System (OAM);
Said OAM is according to said measurement report checking or optimize QoS.
11. a minimum road test optimization system is characterized in that, said system comprises:
The metrical information acquiring unit is used to obtain in order to optimize or to verify the measurement report of QoS;
The metrical information analytic unit is used to analyze the measurement report that obtains;
The unit is optimized in QoS checking, is used for QoS is verified or optimizing according to the analysis result of said measurement report.
12. system as claimed in claim 11 is characterized in that, said metrical information acquiring unit comprises:
The configuration information of wireless access network issues module, is used for issuing configuration information to subscriber equipment (UE), and said MDT configuration information comprises measuring amount and/or the report amount that is used to verify or optimize QoS;
The configuration information receiver module of UE is used to receive configuration information;
The surveying record module of UE is used for carrying out surveying record according to the configuration information that receives;
The reporting measuring result module of UE is used for to the wireless access network reporting measurement reports;
The measurement result collection module of wireless access network is used to receive the measurement report that said UE reports.
13. system as claimed in claim 11 is characterized in that: said metrical information analytic unit and/or QoS checking are optimized the unit and are positioned at wireless access network or Operation & Maintenance System (OAM).
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Application publication date: 20121024 |