CN102938905B - Method and device for minimizing road tests - Google Patents
Method and device for minimizing road tests Download PDFInfo
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- CN102938905B CN102938905B CN201110234132.7A CN201110234132A CN102938905B CN 102938905 B CN102938905 B CN 102938905B CN 201110234132 A CN201110234132 A CN 201110234132A CN 102938905 B CN102938905 B CN 102938905B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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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 drive test.
Background technology
The cost and complexity of artificial drive test, third generation partnership meter are carried out using special equipment in order to reduce operator
(Third Generation Partnership Projects, referred to as 3GPP) is drawn in universal land radio access web
(Universal Terrestrial Radio Access Network, referred to as UTRAN, including base station (Node B) and nothing
Line network controller (RNC)) and evolution universal land radio access web (Evolved Universal Terrestrial
Radio Access Network, referred to as E-UTRAN, including evolution base station (eNB)) system version 10 (Release-10)
Start to introduce and minimize drive test (Minimization of Drive Test, referred to as MDT) function.The corresponding cores of UTRAN
Net (Core Network, referred to as CN) include host-user server (Home Subscriber Server, referred to as
HSS), Mobile Switching Center Server (Mobile Switching Centre Server, referred to as MSC Server), service
GPRS Support Node (Serving GPRS Support Node, GPRS-General Packet Radio Service, letter
Referred to as SGSN- GPRS (general packet radio service)) etc..The corresponding core nets of E-UTRAN (CN) include host-user server (HSS),
Mobile management entity (Mobile Management Entity, referred to as MME) etc..Minimize drive test function and utilize user equipment
(User Equipment, referred to as UE, or referred to as terminal) collects metrical information and passes through chain of command (Control Plane) automatically
Signaling is reported and gives wireless access network (RadioAccess Network, referred to as RAN, for UTRAN systems refer to RNC, for E-
UTRAN systems refer to eNB), then by wireless access network report to Operation ＆ Maintenance System (Operation And Maintenance,
Referred to as OAM) tracking collect entity (Trace Collection Entity, referred to as TCE), for the network optimization, example
Such as, find and solve the problems, such as the network coverage.Minimize drive test at present to be mainly used in realizing coverage optimization.
MDT supports the MDT (Management based MDT) and the MDT (Signaling based on signaling based on management
based MDT).The OAM (by taking E-UTRAN systems as an example, same below) is typically based on the activation process of the MDT of management and sends bag
Tracking activate message (Trace session activation) containing MDT configurations is measured to eNB with the MDT for activating some UE,
ENB selects suitable UE to carry out MDT, and MDT configuration information is sent to the UE for choosing.Activation process based on the MDT of signaling
Typically OAM sends tracking activate message (the Trace session activation) message comprising MDT configurations to HSS to swash
The MDT configuration information of the UE is sent to MME by the MDT measurements of certain UE living, HSS, and MME sends the MDT configuration information of the UE
To eNB, most at last MDT configuration information is sent to UE to eNB.MDT based on signaling generally uses IMSI International Mobile Subscriber Identity
(International Mobile Subscriber Identity, referred to as IMSI) or international mobile station device identification
(International Mobile Station Equipment Identity, referred to as IMEI) specifying certain UE, or again
Plus area information limiting the selection of UE.Include from OAM in MDT based on management and the MDT activate messages based on signaling
Track reference (Trace Reference) information, wherein, including 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) " record minimizes drive test (logged MDT) " and wireless heterogeneous networks (RRC) connection status
(CONNECTED) " drive test (immediate MDT) is minimized immediately ".Record minimizes drive test and refers to that UE is empty in wireless heterogeneous networks
Not busy state is (for E-UTRAN systems refer to RRC_IDLE states；For UTRAN systems also include cell _ paging channel state
(CELL_PCH) and UTRAN Acceditation Areas _ paging channel state (URA_PCH)) collect and store when the condition for being configured meets
Correlation measurement information is used to report again to wireless access network when wireless access network is required later, then is reported by wireless access network
To TCE.Minimizing drive test immediately refers to UE in wireless heterogeneous networks connection status (for E-UTRAN systems refer to RRC_CONNECTED
State；For UTRAN systems refer to cell dedicated channel status (CELL_DCH), current cell _ forward access channel status
(CELL_FACH) do not support to minimize drive test and record minimum drive test immediately) collect correlation measurement information and work as reporting conditions
Report when meeting to wireless access network, then reported to TCE by wireless access network.
RAN is that UE configures logged MDT by RRC dedicated signalings, configuration content mainly include wireless (radio) measurement,
Record persistent period (logging duration), record period (periodicity), record trigger condition are (as periodically
Periodic or based on event Event), absolute time reference (absolute time reference), region configuration
(area configuration, such as cell list cell list or tracking area list TA list；When being configured without regional extent
When illustrate loggedMDT UE registering public land mobile network (Registered Public Land Mobile
Network, referred to as RPLMN) in the range of effectively.The content of wireless measurement includes descending pilot frequency ionization meter (downlink
Pilot strength), Reference Signal Received Power (Reference Signal Received in E-UTRAN systems
Power, referred to as RSRP), UTRAN System Frequency Divisions multiplexing (FDD, Frequency Division Duplex) pattern in
CPICH Common Pilot Channel (CPICH, Common Pilot Channel) received signal code power (RSCP, Received Signal
Code Power), UTRAN system fdd modes CPICH per modulation bit and noise spectral density than Ec/No (Ratio of
Energy per modulating bitto the noise spectral density), UTRAN system TDD mode Your Majestys
Common control physical channel (Primary Common Control Physical Channel, referred to as P-CCPCH) RSCP and dry
Disturb signal code power (Interference Signal Code Power, referred to as ISCP) etc..UE matches somebody with somebody according to logged MDT
Putting collected and storage measurement content also includes：Wireless measurement result and corresponding positional information, for example, global navigational satellite
System (Global Navigation Satellite System, GNSS) positional information or radio frequency finger mark (RF
Fingerprint) information, and timestamp (time stamp) information；Timestamp is relative time stamp, receives relative to UE
Absolute time reference when logged MDT are configured.If UE is configured with logged MDT and has the measurement result of storage,
Connection status wireless heterogeneous networks connection setup complete message (RRCConnectionSetupComplete), wireless heterogeneous networks
Connection re-establishment completion message (RRCConnectionReestablishmentComplete), wireless heterogeneous networks connection are matched somebody with somebody again
Put in the message such as completion message (RRCConnectionReconfigurationComplete) and recorded to wireless access network report
Minimize drive test to indicate, wireless access network notifies UE reports by UE information request messages (UEinformationRequest)
Logged MDT measurement results, UE passes through Signaling Radio Bearer in UE info response messages (UEinformationResponse)
(SRB) (SRB4 used in SRB2, UTRAN used in E-UTRAN) reports the measurement result of logged MDT to wireless access network.
The measurement result that Logged MDT are stored is removed after reporting from UE, and logged MDT configuration informations are in continuing for being configured
Remove after time (loggingDuration) time-out, if wireless access network does not ask UE to report logged MDT,
The measurement result that logged MDT are stored is removed after persistent period time-out after 48 hours.
In correlation technique, UE only carries out the collection of correlation measurement information and deposits in idle condition according to logged MDT configurations
Storage, when UE enters connection status, stops above-mentioned behavior；When UE reenters Idle state, if still in the note for being configured
In record duration ranges, continue the collection and storage of correlation measurement information.Any time, UE only supports a kind of wireless access skill
The specific logged MDT configurations of art (Radio Access Technology, referred to as RAT), when other RAT have selected it is same
During individual UE configurations logged MDT, logged MDT configuration informations and recorded content originally are deleted and are taken by new configuration
Generation.UE only collects and records correlation measurement information, i.e. UE and enter other being configured with the range of the RAT of logged MDT positioned at it
During RAT, stop above-mentioned behavior, recorded measurement result can not be reported；Logged MDT are configured with when UE reenters it
RAT and in idle condition when, if still in the record duration ranges for being configured, continuing correlation measurement information
Collect and store.Logged MDT configuration informations can also include regional extent (area scope) information, and the information can be
Cell list (cell list) or position area list (LA list) or UTRAN Acceditation Area lists (RA list), non-network is shared
In the case of, regional extent belongs to same PLMN (Public Land Mobile Network, PLMN)；
In the case of being configured without regional extent, logged MDT are configured in the range of whole PLMN effectively.
As can be seen here, because UE only carries out the collection and storage of correlation measurement information in idle condition, for connected state
Measurement is all to report immediately, can cause signaling consumption than larger.And after some surveying records are obtained, UE is proceeded at once
IDLE states, can cause measurement result to have no idea to be reported to network side immediately.
The content of the invention
For UE in correlation technique for the measurement of connected state is reported immediately, cause signaling consumption than larger problem, this
Invention there is provided a kind of method and device of minimum drive test, at least one to solve the above problems.
According to an aspect of the invention, there is provided a kind of method for minimizing drive test.
The method for minimizing drive test of the invention includes：UE receptions come from the measurement configuration of network equipment and disappear
Breath；The state that UE is performed according to measurement configuration message determination measurement, and execution measures and preserves survey in the state of measurement is performed
Amount result, wherein, measuring the state for performing includes one below：Idle state；Connected state；Idle state and connected state；When UE is entered
During connected state or in connected state when, UE sends to network equipment has measurement result to need the configured information that reports；
UE receptions come from the measurement result of network equipment and report request, and report measurement results.
Above-mentioned measurement configuration message is carried：Measurement target, UE determines that the state that measurement is performed includes：UE is according to measurement mesh
Mark determines the state that measurement is performed.
Above-mentioned measurement configuration message is carried：The configured information and measurement target of the state that measurement is performed are indicated, UE determines
The state that measurement is performed includes：UE determines the state that measurement is performed according to the configured information for indicating the state that measurement is performed.
Above-mentioned measurement configuration message is also carried：Measurement distributing sustainable time, UE determines that measurement is performed according to measurement target
State, and perform in the state of measurement is performed and measure and preserve surveying record and include：UE enters in the state of measurement is performed
Row measurement simultaneously preserves surveying record；UE hangs measurement and configures and preserve surveying record when the state of non-measured execution is gone to；UE
When the state that measurement execution is gone in the distributing sustainable time is measured, continue executing with and measure and preserve surveying record.
Above-mentioned measurement configuration message also carries at least one of：Wireless measurement instruction, record period, record triggering bar
Part, absolute time reference, region configuration, track reference indicate, keep track of session reference instruction, track and collect entity TCE marks
Knowledge, measurement result retention time.
For the universal land radio access web E-UTRAN systems of evolution, UE will have measurement result to need the instruction for reporting
Information is carried and is transmitted in the message of one below：Wireless heterogeneous networks connection setup complete message, wireless heterogeneous networks
Connection re-establishment completion message, wireless resource control connection reconfiguration completion message, UE are in up disappearing of sending during connected state
Breath；For universal land radio access web UTRAN systems, UE will have measurement result to need the configured information for reporting to carry following
One of message in be transmitted：Wireless heterogeneous networks connection setup complete message, UTRAN handoff completion messages, cell update
Message, UTRAN Acceditation Area new informations, UTRAN mobility informations send when confirming that message, measurement report, UE are in connected state
Upstream message.
Above-mentioned measurement result includes：TCE is identified.
According to a further aspect in the invention, there is provided a kind of device for minimizing drive test.
The device for minimizing drive test of the invention includes：First receiver module, comes from network side and sets for reception
Standby measurement configuration message；Determining module, for determining the state that measurement is performed according to measurement configuration message, wherein, measurement is held
Capable state includes one below：Idle state；Connected state；Idle state and connected state；Measurement module, for the shape performed in measurement
Perform under state and measure and preserve measurement result；Sending module, for entering connected state in UE during or during in connected state,
Sending to network equipment has measurement result to need the configured information for reporting；Second receiver module, for receiving network is come from
The measurement result of side apparatus reports request；Reporting module, for report measurement results.
Above-mentioned determining module, for when measurement configuration message carries measurement target, according to measurement target measurement being determined
The state of execution.
Above-mentioned determining module, for carrying the configured information and the survey that indicate the state that measurement is performed in measurement configuration message
During amount target, the state that measurement is performed is determined according to the configured information for indicating the state that measurement is performed.
Above-mentioned measurement module includes：First processing units, for also carrying measurement distributing sustainable in measurement configuration message
During the time, measure in the distributing sustainable time in the state of measurement is performed and measure and preserve surveying record, in measurement configuration
Continue executing with when going to the state of measurement execution by the state of non-measured execution in the persistent period and measure and preserve surveying record；The
Two processing units, for when the state of non-measured execution is gone to, hanging measurement surveying record is configured and preserves.
Above-mentioned measurement configuration message also carries at least one of：Wireless measurement instruction, record period, record triggering bar
Part, absolute time reference, region configuration, track reference indicate, keep track of session reference instruction, track and collect entity TCE marks
Knowledge, surveying record retention time.
By the present invention, letter is all measured in connected state and Idle state using drive test (logged MDT) mode is minimized
Breath is collected, and solves in correlation technique that UE, for the measurement of connected state is reported immediately, causes signaling consumption to compare in correlation technique
Big problem, and then can effectively save signaling consumption.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of minimum road measuring method according to embodiments of the present invention；
Fig. 2 is the flow chart of the minimum road measuring method according to present example one；
Fig. 3 is the flow chart of the minimum road measuring method according to present example two；
Fig. 4 is the flow chart of the minimum road measuring method according to present example three；
Fig. 5 is the flow chart of the minimum road measuring method according to present example four；
Fig. 6 is the structured flowchart of minimum road measurement apparatus according to embodiments of the present invention.
Specific embodiment
Below with reference to accompanying drawing and in conjunction with the embodiments describing the present invention in detail.It should be noted that not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 1 is the flow chart of minimum road measuring method according to embodiments of the present invention.As shown in figure 1, the minimum drive test
Method mainly also includes following process：
Step S102：UE receives the measurement configuration message for coming from network equipment；
Step S104：UE determines the state that measurement is performed according to measurement configuration message, and holds in the state of measurement is performed
Row measurement simultaneously preserves measurement result, wherein, measuring the state for performing includes one below：Idle state；Connected state；Idle state and company
Connect state；
Step S106：During UE enters connected state or during in connected state, UE sends to network equipment survey
Amount result needs the configured information for reporting；
Step S108：UE receptions come from the measurement result of network equipment and report request, and report measurement results.
In correlation technique, because UE only carries out the collection and storage of correlation measurement information in idle condition, for connected state
Measurement be all to report immediately, signaling consumption can be caused than larger.And after some surveying records are obtained, UE is proceeded at once
IDLE states, can cause measurement result to have no idea to be reported to network side immediately.In the method shown in Fig. 1, using minimum road
(logged MDT) mode of survey all measures information in connected state and Idle state, and is tied according to the measurement of network equipment
Fruit reports request report measurement results.UE is solved in correlation technique in correlation technique for the measurement of connected state is reported immediately,
Cause signaling consumption than larger problem, and then can effectively save signaling consumption.
Preferably, above-mentioned measurement configuration message is carried：Measurement target, in above-mentioned steps S104, UE determines that measurement is performed
State may further include following process：UE determines the state that measurement is performed according to measurement target.
Preferably, above-mentioned measurement configuration message is carried：The configured information and measurement target of the state that measurement is performed are indicated,
In above-mentioned steps S104, UE determines that the state that measurement is performed may further include following process：UE is performed according to instruction measurement
State configured information determine measurement perform state.
As can be seen here, UE can be to determine the state that measurement is performed using above two mode, and one kind is set according to network side
The configured information of the state that the standby instruction measurement for issuing is performed measures the state for performing to determine；Another kind is set according to network side
The standby measurement target for issuing, UE can be measured according to the state that oneself can be measured, and for example, some measurement targets UE are in sky
Not busy state and connected state can be measured, then all measured under both states.
Preferably, above-mentioned measurement configuration message is also carried：The measurement distributing sustainable time, in above-mentioned steps S104, UE roots
According to the state that measurement target determination measurement is performed, and execution measures and preserves surveying record to enter in the state of measurement is performed
One step includes following process：
(1) UE measures and preserves surveying record in the state of measurement is performed；
(2) UE hangs measurement and configures and preserve surveying record when the state of non-measured execution is gone to；
(3) UE is continued executing with and is measured and preserve measurement when the state that measurement execution is gone in the distributing sustainable time is measured
Record.
Preferably, above-mentioned measurement configuration message can also carry at least one of：Wireless measurement is indicated, record week
Phase, record trigger condition (such as periodicity Periodic or based on event Event), absolute time reference, region configuration, tracking
With reference to indicate, track record session reference indicate, tracking 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 message carries surveying record retention time, when UE is entered
During connected state, UE sends to network equipment has measurement result to need after the configured information for reporting, and the UE is never received
Measurement result to network equipment reports request, if the record storage time is more than the surveying record retention time for receiving,
The UE can empty the surveying record of its record, such that it is able to effectively save storage space volume.
During being preferable to carry out, for the universal land radio access web E-UTRAN systems of evolution, UE will have measurement knot
Really need the configured information for reporting to carry to be transmitted in the message of one below：Wireless heterogeneous networks connection establishment completes to disappear
The vertical completion message of breath, radio resource control connection reestablishment, wireless resource control connection reconfiguration completion message, the UE are in company
Connect the upstream message sent during state；For universal land radio access web UTRAN systems, UE will have measurement result to need what is reported
Configured information is carried and is transmitted in the message of one below：Wireless heterogeneous networks connection setup complete message, UTRAN switchings
Completion message, cell update message, UTRAN Acceditation Area new informations, UTRAN mobility informations confirm message, measurement report, institute
State UE and be in the upstream message sent during connected state.
During being preferable to carry out, for UTRAN systems and E-UTRAN systems, network equipment reports measurement result
Request is carried and is transmitted in following message：UE information request messages.
During being preferable to carry out, for UTRAN systems and E-UTRAN systems, measurement result is carried and disappeared following by UE
Reported in breath：UE info response messages.
Preferably, in step S108, the measurement result that UE is reported can include：TCE is identified.By the way that the mark is sent to
Network equipment, network equipment can be mapped to the IP address that signaling collects entity according to TCE ID, and measurement result is sent
Entity TCE is collected to signaling.By the process, it is ensured that network equipment report measurement results exactly.
Above-mentioned preferred implementation is further described below in conjunction with Fig. 2 to Fig. 5.
Fig. 2 is the flow chart of the minimum road measuring method according to present example one.As shown in Fig. 2 the method is mainly wrapped
Include following process：
Step S202, RAN receives the MDT measurement demands from CN or OAM, wherein, containing measurement in the measurement demand
Target, the region configuration of measurement, the IP address of IP address of Trace Collection Entity signalings collection entity
One or more in etc. content.
Step S204, RAN issues the UE that logged MDT measurements are configured to connected state by dedicated signaling.Wherein, for
From the measurement demand of OAM, RAN selects suitable UE to carry out MDT measurements.Measurement configuration content mainly include measurement target,
Wirelessly (radio) measurement, measurement distributing sustainable time (configuration ofthe logging duration), record are touched
Clockwork spring part (being based on event Event), absolute time reference (absolute time reference), region configuration (area
Configuration, such as cell list cell list or tracking area list TA list), traceReference, TCE id,
One or more therein of state that measurement is performed etc.；For example, it is Random access failure to measure target, and is indicated
It is that Idle state and connected state are measured, for example, can be indicated with two bit, such as 00 expression is only measured in Idle state, 01
Represent that, only in link state measurement, 11 expressions can be measured in Idle state and connected state.The state configuration of execution is so measured here
For 11.
Step S206, UE performs logged MDT measurements and stores.
During being preferable to carry out, UE is received after measurement configuration message, then measure configuration and come into effect.UE is according to instruction
Measuring state start measurement, and check that current Serving cell whether in the configuration of region, if then starting, does not otherwise start
Measurement.For example, UE opens the measurement of RACH access failure in connected state, and UE can be opened when RACH processes start
The measurement of beginning RACH, for example, can include：Start the radio signal quality to Serving cell and peripheral cell to measure, record rach
The configuration information of access and the positional information of UE.When RACH procedure failures, then UE stores measurement result, and UE can be in connected state
Report measurement results to network side, for example, when the measurement result of storage exceedes a certain memory headroom size.When UE proceeds to the free time
During state, UE proceeds the measurement of RACH access failure and records the result of measurement.If the measurement distributing sustainable time surpasses
When, then UE can remove the measurement configuration for receiving, and no longer measure.
Step S208, UE can be reported to network side, network side joint using a new message in connected state as message 1
After receiving message 1, according to circumstances decide whether to obtain measurement result, if desired obtain measurement result, then send message 2 to UE, please
UE is asked to send logged MDT measurement results, UE passes through the report measurement results of message 3.
Here only show the precedence relationship between message 1 and message 2, limit wireless access network and receive vertical after message 1
Carve and send message 2, such as base station is received after message 1, may cross and just ask UE to send the (He of message 1 of message 2 after longer period of time
There may be other message unrelated with MDT between message 2).
Specifically, in E-UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message
Or the vertical completion message of radio resource control connection reestablishment (RRCConnectionSetupComplete)
Or wireless resource control connection reconfiguration completion message (RRCConnectionReestablishmentComplete)
(RRCConnectionReconfigurationComplete), indicate wherein carrying available logged MDT
(LogMeasAvailable)。
In UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message (RRC CONNECTIONSETUP
COMPLETE) either to UTRAN handoff completion messages (HO TO UTRAN COMPLETE) or cell update message (CELL
UPDATE) either UTRAN Acceditation Areas new information (URA UPDATE) or UTRAN mobility informations confirm message (UTRAN
MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), wherein comprising available
Logged MDT indicate (LoggedMeasAvailable).
Specifically：
In E-UTRAN systems, message 2 is UE information request messages (UElnformationRequest).
In UTRAN systems, message 2 is UE information request messages (UE INFORMATION REQUEST).
Specifically：
In E-UTRAN and UTRAN systems, message 3 is UE info response messages (UElnformationResponse),
Comprising rach access failure information, wireless measurement related content, positional information, temporal information, tce-ld,
TraceReference etc. is therein one or more.Wherein, rach access failure information can fail comprising RACH
One or more therein of reason and RACH configuration informations, Serving cell id etc..
If network side does not have to send the request UE report measurement results of message 2 to UE, UE continues to store measurement result, and can
With the instruction for repeatedly reporting logged MDT surveying records to need and reporting.Until more than certain hour thresholding, UE is removed and preserved
Measurement result.The time threshold is a time value of the surveying record retention time or agreement carried in measurement configuration.
Step S210, network side are got after logged MDT measurement results, are mapped to signaling according to TCE id and are collected real
The IP address of body, is sent to signaling and collects entity TCE measurement result.
Fig. 3 is the flow chart of the minimum road measuring method according to present example two.As shown in figure 3, the method is mainly wrapped
Include following process：
Step S302, RAN receives the MDT measurement demands from CN or OAM, wherein, containing measurement in the measurement demand
Target, the region of measurement match somebody with somebody, one or more in the content such as IP address ofTrace Collection Entity.
Step S304, RAN issues the UE that logged MDT measurements are configured to link state by dedicated signaling.Wherein, for
From the measurement demand of OAM, RAN needs to select suitable UE to carry out MDT measurements.Configuration content mainly includes measurement target, nothing
Line (radio) measurement, measurement distributing sustainable time (configuration of the logging duration), absolute time
Between with reference to (absolute time reference), region configuration (area configuration, such as cell list cell
List or tracking area list TA list), one or more therein of traceReference, TCE id etc.；Wherein, mesh is measured
It is designated as radio linkfailure.
Step S306, UE performs logged MDT measurements and stores.
During being preferable to carry out, after UE receives measurement configuration message, measurement is started according to the measuring state for indicating,
And check that current Serving cell whether in the configuration of region, if then starting, does not otherwise start measurement.For example, target is measured
For radiolink failure, then UE can only open measurement in connected state.UE detects radio link in connected state
Failure, then the result of UE records measurement simultaneously store, UE can when into connected state report measurement results to network side.Can
Choosing, UE starts the measurement of the radio signal quality to Serving cell and adjacent area in inspection to before radio link failure,
And only retain the measurement result of last time until detecting radio link failure generations.If the measurement distributing sustainable time
Time-out, then UE can remove receive measurement configuration, no longer measure.
Step S308, UE can report logged MDT surveying records to need the instruction for reporting in message 1, wirelessly connect
Network and receive after message 1, to UE message 2 is sent, to ask UE to send logged MDT measurement reports.UE is reported by message 3
Measurement result.
Here only show the precedence relationship between message 1 and message 2, limit wireless access network and receive vertical after message 1
Carve and send message 2, such as base station is received after message 1, may cross and just ask UE to send the (He of message 1 of message 2 after longer period of time
There may be other message unrelated with MDT between message 2).
Specifically, in E-UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message
Or the vertical completion message of radio resource control connection reestablishment (RRCConnectionSetupComplete)
Or wireless resource control connection reconfiguration completion message (RRCConnectionReestablishmentComplete)
(RRCConnectionReconfigurationComplete), indicate wherein carrying available logged MDT
(LogMeasAvailable)。
In UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message (RRC CONNECTIONSETUP
COMPLETE) either to UTRAN handoff completion messages (HO TO UTRAN COMPLETE) or cell update message (CELL
UPDATE) either UTRAN Acceditation Areas new information (URA UPDATE) or UTRAN mobility informations confirm message (UTRAN
MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), wherein comprising available
Logged MDT indicate (LoggedMeasAvailable).
Specifically：
In E-UTRAN systems, message 2 is UE information request messages (UElnformationRequest).
In UTRAN systems, message 2 is UE information request messages (UE INFORMATION REQUEST).
Specifically：
In E-UTRAN and UTRAN systems, message 3 is UE info response messages (UElnformationResponse),
Comprising radio link failure information, wireless measurement related content, positional information, temporal information, tce-ld,
TraceReference etc. is therein one or more.Wherein radio link failure packets contain：There is the cell of RLF
Overall identification, there is one or more therein of radio signal quality etc. of Serving cell and peripheral cell during RLF.
If network side does not have to send the request UE report measurement results of message 2 to UE, UE continues to store measurement result, and can
With the instruction for repeatedly reporting logged MDT surveying records to need and reporting.Until more than certain hour thresholding, UE is removed and preserved
Measurement result.The time threshold is a time value of the surveying record retention time or agreement carried in measurement configuration.
Step S310, network side are got after logged MDT measurement results, are mapped to signaling according to TCE id and are collected real
The IP address of body, is sent to signaling and collects entity TCE measurement result.
Fig. 4 is the flow chart of the minimum road measuring method according to present example three.As shown in figure 4, the method is mainly wrapped
Include following process：
Step S402, RAN receives the MDT measurement demands from CN or OAM, wherein, containing measurement in the measurement demand
Target, the region of measurement match somebody with somebody, one or more in the content such as IP address ofTrace Collection Entity.
Step S404, RAN issues the UE that logged MDT measurements are configured to link state by specific messages.Wherein, for
From the measurement demand of OAM, RAN needs to select suitable UE to carry out MDT measurements.Configuration content mainly includes measurement target, nothing
Line (radio) measurement, measurement distributing sustainable time (configuration ofthe logging duration), absolute time
With reference to (absolute time reference), record period (periodicity), record trigger condition (as periodically
Periodic), region configuration (area configuration, such as cell list cell list or tracking area list TA
List), traceReference, TCE id etc. is therein one or more；Wherein, it is Qos to measure target, and it is right specifically to measure
As can be PDCP and/or RLC and/or MAC layer handling capacity, packet loss, packet delay index in one or more.
Step S406, UE performs logged MDT measurements and stores.
During being preferable to carry out, UE is received after measurement configuration message, and according to the measuring state for indicating measurement is started, and
Check that current Serving cell whether in the configuration of region, if then starting, does not otherwise start measurement.Measurement target is Qos, then
UE can only open measurement in connected state.UE is periodically measured according to measurement configuration, and is spaced each record period record
One-shot measurement result is simultaneously stored.
If measurement distributing sustainable time time-out, UE can remove the measurement configuration for receiving, and no longer measure.
Step S408, UE can report logged MDT surveying records to need the instruction for reporting in message 1, wirelessly connect
Network and receive after message 1, to UE message 2 is sent, to ask UE to send logged MDT measurement reports.UE is reported by message 3
Measurement result.
Here only show the precedence relationship between message 1 and message 2, limit wireless access network and receive vertical after message 1
Carve and send message 2, for example, base station is received after message 1, may cross and just ask UE to send the (message of message 2 after longer period of time
There may be other message unrelated with MDT between 1 and message 2).
Specifically, in E-UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message
Or the vertical completion message of radio resource control connection reestablishment (RRCConnectionSetupComplete)
Or wireless resource control connection reconfiguration completion message (RRCConnectionReestablishmentComplete)
(RRCConnectionReconfigurationComplete), indicate wherein carrying available logged MDT
(LogMeasAvailable)。
In UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message (RRC CONNECTIONSETUP
COMPLETE) either to UTRAN handoff completion messages (HO TO UTRAN COMPLETE) or cell update message (CELL
UPDATE) either UTRAN Acceditation Areas new information (URA UPDATE) or UTRAN mobility informations confirm message (UTRAN
MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), wherein comprising available
Logged MDT indicate (LoggedMeasAvailable).
Specifically：
In E-UTRAN systems, message 2 is UE information request messages (UElnformationRequest).
In UTRAN systems, message 2 is UE information request messages (UE lNFORMATION REQUEST).
Specifically：
In E-UTRAN and UTRAN systems, message 3 is UE info response messages (UElnformationResponse),
Comprising Qos metrical informations, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc. its
In one or more.Wherein Qos metrical informations are included：The handling capacity of PDCP and/or RLC and/or MAC layer, packet loss, Bao Yan
One or more in index late, can also contain the Cell Global Identification of measurement.
If network side does not have to send the request UE report measurement results of message 2 to UE, UE continues to store measurement result, and can
With the instruction for repeatedly reporting logged MDT surveying records to need and reporting.Until more than certain hour thresholding, UE is removed and preserved
Measurement result.The time threshold is a time value of the surveying record retention time or agreement carried in measurement configuration.
Step S410, network side are got after logged MDT measurement results, are mapped to signaling according to TCE id and are collected real
The IP address of body, is sent to signaling and collects entity TCE Qos measurement results.
Fig. 5 is the flow chart of the minimum road measuring method according to present example four.As shown in figure 5, the method is mainly wrapped
Include following process：
Step S502, RAN receives the MDT measurement demands from CN or OAM, wherein, containing measurement in the measurement demand
Target, the region of measurement match somebody with somebody, one or more in the content such as IP address ofTrace Collection Entity.
Step S504, RAN issues the UE that logged MDT measurements are configured to link state by specific messages.Wherein, for
From the measurement demand of OAM, RAN needs to select suitable UE to carry out MDT measurements.Configuration content mainly includes measurement target, nothing
Line (radio) measurement, measurement distributing sustainable time (configuration ofthe logging duration), absolute time
With reference to (absolute time reference), record period (periodicity), record trigger condition (as periodically
Periodic or event are triggered), (area configuration, such as cell list cell list or tracking area are arranged for region configuration
Table TA list), one or more therein of traceReference, TCE id etc.；Wherein, it is RACH access to measure target
Failure is measured and Qos measurements, respectively event triggering and cycle triggering.Contain record period in the measurement configuration of Qos measurements
(periodicity).The status information performed containing measurement in the measurement configuration of RACH access failure measurements, indicates
UE is measured in Idle state.
Step S506, UE performs logged MDT measurements and stores.
During being preferable to carry out, UE is received after measurement configuration message, and according to the measuring state for indicating measurement is started, and
Check that current Serving cell whether in the configuration of region, if then starting, does not otherwise start measurement.Measurement target is Qos, UE
Measurement can only be opened in link state.UE is periodically measured according to measurement configuration, and is spaced each record period record one
Secondary measurement result is simultaneously stored.UE is transferred to Idle state and opens RACH access failure's when region configuration condition is met
Measurement, UE can start the measurement of RACH when RACH processes start, for example, can include：Start little to Serving cell and surrounding
The radio signal quality measurement in area, records the positional information of configuration information that rach accesses and UE, as RACH procedure failures then UE
Storage measurement result.The time threshold is the time of the surveying record retention time or agreement carried in measurement configuration
Value.
If measurement distributing sustainable time time-out, UE can remove the measurement configuration for receiving, and no longer measure.
Step S508, UE can report logged MDT surveying records to need the instruction for reporting in message 1, wirelessly connect
Network and receive after message 1, to UE message 2 is sent, to ask UE to send logged MDT measurement reports.UE is reported by message 3
Measurement result.
Here only show the precedence relationship between message 1 and message 2, limit wireless access network and receive vertical after message 1
Carve and send message 2, such as base station is received after message 1, may cross and just ask UE to send the (He of message 1 of message 2 after longer period of time
There may be other message unrelated with MDT between message 2).
Specifically, in E-UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message
Or the vertical completion message of radio resource control connection reestablishment (RRCConnectionSetupComplete)
Or wireless resource control connection reconfiguration completion message (RRCConnectionReestablishmentComplete)
(RRCConnectionReconfigurationComplete), indicate wherein carrying available logged MDT
(LogMeasAvailable)。
In UTRAN systems, message 1 is wireless heterogeneous networks connection setup complete message (RRC CONNECTIONSETUP
COMPLETE) either to UTRAN handoff completion messages (HO TO UTRAN COMPLETE) or cell update message (CELL
UPDATE) either UTRAN Acceditation Areas new information (URA UPDATE) or UTRAN mobility informations confirm message (UTRAN
MOBILITY INFORMATION CONFIRM) or measurement report (MEASUREMENT REPORT), wherein comprising available
Logged MDT indicate (LoggedMeasAvailable).
Specifically：
In E-UTRAN systems, message 2 is UE information request messages (UElnformationRequest).
In UTRAN systems, message 2 is UE information request messages (UE lNFORMATION REQUEST).
Specifically：
In E-UTRAN and UTRAN systems, message 3 is UE info response messages (UElnformationResponse),
Comprising Qos metrical informations, wireless measurement related content, positional information, temporal information, tce-ld, traceReference etc. its
In one or more.Wherein Qos metrical informations are included：The handling capacity of PDCP and/or RLC and/or MAC layer, packet loss, packet delay
One or more in index, can also contain the overall identification of measurement place cell.Wherein, rach access failure
Information can be comprising one or more therein of RACH failure causes and RACH configuration informations, Serving cell id etc..
If network side does not have to send the request UE report measurement results of message 2 to UE, UE continues to store measurement result, and can
With the instruction for repeatedly reporting logged MDT surveying records to need and reporting.Until more than certain hour thresholding, UE is removed and preserved
Measurement result.The time threshold is a time value of the surveying record retention time or agreement carried in measurement configuration.
Step S510, network side are got after logged MDT measurement results, are mapped to signaling according to TCE id and are collected real
The IP address of body, is sent to signaling and collects entity TCE Qos measurement results and rach access failure measurement results.
Fig. 6 is the structured flowchart of minimum road measurement apparatus according to embodiments of the present invention.As shown in fig. 6, the minimum road
Surveying device includes：First receiver module 10, for receiving the measurement for coming from network equipment configuration message；Determining module 20,
The state for performing is measured for determining according to measurement configuration message wherein, measuring the state for performing includes one below：Idle state；
Connected state；Idle state and connected state；Measurement module 30, for performing in the state of performing in measurement measurement knot is measured and preserves
Really；Sending module 40, for entering connected state in UE during or during in connected state, sending to network equipment has measurement
As a result the configured information for reporting is needed；Second receiver module 50, reports for receiving the measurement result for coming from network equipment
Request；Reporting module 60, for report measurement results.
In the device shown in Fig. 6, measurement module 30 all measures information in connected state and Idle state, reports mould
Block 60 reports request report measurement results according to the measurement result of network equipment.Solve in correlation technique UE in correlation technique
For the measurement of connected state is reported immediately, cause signaling consumption than larger problem, and then can effectively save signaling consumption.
Preferably, determining module 20, for when measurement configuration message carries measurement target, being determined according to measurement target
The state that measurement is performed.
Preferably, determining module 20, for carrying the instruction letter for indicating the state that measurement is performed in measurement configuration message
When breath and measurement target, determined according to the configured information for indicating the state that measurement is performed and measure the state for performing.
Preferably, measurement module 30 may further include：First processing units, for also carrying in measurement configuration message
When having the measurement distributing sustainable time, measure in the state of measurement is performed and measurement note is measured and preserved in the distributing sustainable time
Record, continues executing with when measuring and going to the state of measurement execution by the state of non-measured execution in the distributing sustainable time and measures and protect
Deposit surveying record；Second processing unit, for when the state of non-measured execution is gone to, hanging measurement measurement note is configured and preserves
Record.
Preferably, above-mentioned measurement configuration message can also carry at least one of：Wireless measurement is indicated, record week
Phase, record trigger condition, absolute time reference, region configuration, track reference are indicated, keep track of session reference instruction, TCE marks
Knowledge, surveying record retention time.
During being preferable to carry out, network equipment is that UE configures logged MDT by RRC dedicated signalings, and UE is according to survey
Amount configuration is measured, and configuration content mainly includes measurement target, wireless (radio) measurement, measurement distributing sustainable time
(configuration of the logging duration), record period (periodicity), record trigger condition (example
As periodicity Periodic or based on event Event), absolute time reference (absolute time reference), region
Configuration (area configuration, such as cell list cell list or tracking area list TA list), track reference
(traceReference), session reference traceRecordingSessionReference, TCE ID (trace are kept track of
Collect entity ID), one or more therein of measurement state, surveying record retention time etc. for performing；
First receiver module of UE receives logged MDT measurements with postponing, and determining module is true according to measurement configuration message
The state that location survey amount is performed, wherein, measuring the state for performing includes one below：Idle state；Connected state；Idle state and connection
State；Measurement module is measured within the measurement distributing sustainable time, and records measurement result, and sending module sends in connected state UE
The instruction of one logMeasAvailable, network equipment is received after instruction, can allow UE reporting measurement reports.UE can be with
In the instruction that connected state passes through one logMeasAvailable of information reporting, wherein, the message can be gone to from idle states
It is the message for sending to link state, or in the upstream message of connected state transmission.
Further, for logged MDT are configured, network equipment can be directed to different measurement targets, arrange different
Measurement perform state, for example：Idle state, connected state, Idle state and connected state.UE is only carried out in the state that measurement is performed
Measurement, in the state of non-measured execution, hangs measurement configuration and preserves surveying record, and within the measurement distributing sustainable time measurement is gone to
Measurement is continued executing with during the state of execution.
Further, for logged MDT are configured, different measurement targets can be directed to, UE can according to oneself
The state of measurement is measured, and for example some measurement targets UE can be measured in Idle state and connected state, then all measured.For example
Measurement target period descending pilot frequency measurement (Periodical downlink pilot measurements), Serving cell letter
Number quality is less than thresholding (Serving Cell becomes worse than threshold), a random access failure
(Random access failure), paging channel failure (Paging Channel Failure (PCCH Decode
Error), broadcast channel failure (BroadcastChannel failure) can be measured in Idle state and connected state；Measurement mesh
Mark transmission power space is less than a thresholding (Transmit power headroom becomes less than
Threshold), radio link failure report (Radio link failure report), QoS (quality of
Service) measurement such as performance target can only be measured in connected state.
In sum, above-described embodiment for providing by the present invention, using minimum drive test mode in connected state and free time
State all measures information, and reports request report measurement results according to the measurement result of network equipment.Solve phase
UE is reported immediately for the measurement of connected state in correlation technique in the technology of pass, causes signaling consumption than larger problem, Jin Erke
Effectively to save signaling consumption.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realizing, they can be concentrated on single computing device, or are distributed in multiple computing devices and are constituted
Network on, alternatively, they can be realized with the executable program code of computing device, such that it is able to be stored in
Performed by computing device in storage device, or they are fabricated to respectively each integrated circuit modules, or by them
Multiple modules or step be fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hard
Part and software are combined.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. it is a kind of minimize drive test method, it is characterised in that include：
User equipment (UE) receives the measurement configuration message for coming from network equipment；
The UE determines the state that measurement is performed according to the measurement configuration message, and performs in the state of the measurement is performed
Measurement result is measured and preserves, wherein, the state that the measurement is performed includes one below：Idle state；Connected state；Idle state and
Connected state；
During the UE enters connected state or during in connected state, the UE sends to network equipment measurement result
The configured information that needs are reported；
The measurement result that the UE receptions come from the network equipment reports request, and report measurement results；
Wherein, the measurement configuration message is also carried：Measurement distributing sustainable time, the UE determines according to the measurement target
The state that measurement is performed, and perform in the state of the measurement is performed and measure and preserve surveying record and include：The UE is in institute
State in the state of measurement is performed and measure and preserve surveying record；The UE go to it is non-it is described measurement perform state when,
Hang measurement and configure and preserve surveying record；The UE goes to the shape that the measurement is performed within the measurement distributing sustainable time
During state, continue executing with and measure and preserve surveying record.
2. method according to claim 1, it is characterised in that the measurement configuration message is carried：Measurement target, it is described
UE determines that the state that measurement is performed includes：The UE determines the state that the measurement is performed according to the measurement target.
3. method according to claim 1, it is characterised in that the measurement configuration message is carried：Indicate that measurement is performed
State configured information and measurement target, the UE determines that the state that measurement is performed includes：The UE indicates to survey according to described
The configured information of the state that amount is performed determines the state that the measurement is performed.
4. according to the method in any one of claims 1 to 3, it is characterised in that the measurement configuration message is also carried
At least one of：Wireless measurement instruction, record period, record trigger condition, absolute time reference, region configuration, tracking ginseng
Examine instruction, track record session reference to indicate, track and collect entity TCE marks, measurement result retention time.
5. according to the method in any one of claims 1 to 3, it is characterised in that
For the universal land radio access web E-UTRAN systems of evolution, the UE has measurement result to need what is reported by described
Configured information is carried and is transmitted in the message of one below：Wireless heterogeneous networks connection setup complete message, Radio Resource
Control connection re-establishment completion message, wireless resource control connection reconfiguration completion message, the UE send when being in connected state
Upstream message；For universal land radio access web UTRAN systems, the UE has measurement result to need the finger for reporting by described
Show that information is carried to be transmitted in the message of one below：Wireless heterogeneous networks connection setup complete message, UTRAN have switched
Confirm message, measurement report, described into message, cell update message, UTRAN Acceditation Area new informations, UTRAN mobility informations
UE is in the upstream message sent during connected state.
6. according to the method in any one of claims 1 to 3, it is characterised in that the measurement result includes：TCE is identified.
7. it is a kind of minimize drive test device, it is characterised in that include：
First receiver module, for receiving the measurement for coming from network equipment configuration message；
Determining module, for determining the state that measurement is performed according to the measurement configuration message, wherein, the shape that the measurement is performed
State includes one below：Idle state；Connected state；Idle state and connected state；
Measurement module, for performing in the state of performing in the measurement measurement result is measured and preserves；
Sending module, for entering connected state in UE during or during in connected state, sending to network equipment has measurement
As a result the configured information for reporting is needed；
Second receiver module, for receiving the measurement result for coming from the network equipment request is reported；
Reporting module, for report measurement results；
Wherein, the measurement module includes：First processing units, for also carrying measurement configuration in the measurement configuration message
During the persistent period, measurement note is measured and preserves in the measurement distributing sustainable time in the state of the measurement is performed
Record, the state performed by the non-measurement within the measurement distributing sustainable time continues when going to the state of the measurement execution
Execution measures and preserves surveying record；Second processing unit, for when the state that the non-measurement is performed is gone to, hanging measurement
Configure and preserve surveying record.
8. device according to claim 7, it is characterised in that the determining module, in the measurement configuration message
When carrying measurement target, the state that the measurement is performed is determined according to the measurement target.
9. device according to claim 7, it is characterised in that the determining module, in the measurement configuration message
When carrying the configured information and measurement target that indicate the state that measurement is performed, according to the finger for indicating the state that measurement is performed
Show that information determines the state that the measurement is performed.
10. the device according to any one of claim 7 to 9, it is characterised in that the measurement configuration message is also carried
At least one of：Wireless measurement instruction, record period, record trigger condition, absolute time reference, region configuration, tracking ginseng
Examine instruction, track record session reference to indicate, track and collect entity TCE marks, surveying record retention time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234132.7A CN102938905B (en) | 2011-08-16 | 2011-08-16 | Method and device for minimizing road tests |
| PCT/CN2012/071861 WO2012152108A1 (en) | 2011-08-16 | 2012-03-02 | Method and device for minimization of drive test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110234132.7A CN102938905B (en) | 2011-08-16 | 2011-08-16 | Method and device for minimizing road tests |
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| CN102938905B true CN102938905B (en) | 2017-04-12 |
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| WO (1) | WO2012152108A1 (en) |
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| CN109474953B9 (en) * | 2017-09-08 | 2021-08-10 | 维沃移动通信有限公司 | Configuration method of MDT (minimization drive test) and related equipment |
| CN108476379B (en) * | 2018-03-26 | 2020-10-16 | 北京小米移动软件有限公司 | Information recording method and information recording apparatus |
| CN110324834B (en) * | 2018-03-28 | 2021-06-04 | 维沃移动通信有限公司 | Indication method of measurement result, terminal and base station |
| CN110769439B (en) | 2018-07-27 | 2022-02-25 | 维沃移动通信有限公司 | Measurement method, terminal and network side equipment |
| CN110784889B (en) * | 2018-07-31 | 2023-05-09 | 中国移动通信有限公司研究院 | Measurement method, measurement configuration device, terminal and network side equipment |
| CN111356134B (en) * | 2018-12-20 | 2022-07-22 | 华为技术有限公司 | Communication method and device |
| CN111385843B (en) * | 2018-12-29 | 2023-07-21 | 大唐移动通信设备有限公司 | Measurement result reporting method, acquisition method, terminal and network equipment |
| CN111314931B (en) * | 2019-01-18 | 2022-04-12 | 维沃软件技术有限公司 | Measuring method and apparatus |
| CN111866804B (en) * | 2019-04-26 | 2023-05-09 | 中国移动通信有限公司研究院 | Processing method, terminal and network side equipment for MDT (minimization of drive test) measurement data |
| US11632685B2 (en) * | 2019-06-17 | 2023-04-18 | FG Innovation Company Limited | Method and apparatus for handling measurement in wireless communication system |
| CN112398600B (en) * | 2019-08-12 | 2022-08-26 | 华为技术有限公司 | Communication method and device |
| CN113133046B (en) * | 2019-12-30 | 2022-10-04 | 中国移动通信集团四川有限公司 | Network coverage evaluation method and device, electronic equipment and computer storage medium |
| WO2021138885A1 (en) * | 2020-01-10 | 2021-07-15 | Qualcomm Incorporated | Techniques for improving non-standalone device user experience |
| WO2021159545A1 (en) * | 2020-02-15 | 2021-08-19 | Qualcomm Incorporated | Radio access network (ran) -centric data collection for dual connectivity (dc) /carrier aggregation (ca) |
| WO2021207899A1 (en) * | 2020-04-13 | 2021-10-21 | 北京小米移动软件有限公司 | Information transmission method, user equipment, base station device and computer storage medium |
| EP4138440A4 (en) * | 2020-05-15 | 2023-09-13 | Huawei Technologies Co., Ltd. | Communication method and communication apparatus |
| CN113709791A (en) * | 2020-05-22 | 2021-11-26 | 北京三星通信技术研究有限公司 | Method and equipment for minimizing drive test configuration |
| CN111935740A (en) * | 2020-08-06 | 2020-11-13 | 中兴通讯股份有限公司 | Measuring method, device, communication node and storage medium |
| CN114071538A (en) * | 2020-08-07 | 2022-02-18 | 中国移动通信有限公司研究院 | MDT processing method, core network equipment, access network equipment and terminal |
| WO2024159379A1 (en) * | 2023-01-30 | 2024-08-08 | 北京小米移动软件有限公司 | Minimization of drive test (mdt) measurement method, configuration method, and apparatuses therefor |
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| KR101674221B1 (en) * | 2010-01-28 | 2016-11-09 | 엘지전자 주식회사 | Apparatus and method of reporting logged measurement in wireless communication system |
| CN102149106B (en) * | 2010-02-10 | 2014-01-29 | 电信科学技术研究院 | Method and equipment for measuring MDT |
| CN102098722B (en) * | 2010-08-10 | 2014-01-01 | 电信科学技术研究院 | Method for processing minimization drive test (MDT) information and equipment |
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