WO2011083800A1 - 無線通信システム、無線端末、無線ネットワーク、無線通信方法及びプログラム - Google Patents
無線通信システム、無線端末、無線ネットワーク、無線通信方法及びプログラム Download PDFInfo
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- WO2011083800A1 WO2011083800A1 PCT/JP2011/050047 JP2011050047W WO2011083800A1 WO 2011083800 A1 WO2011083800 A1 WO 2011083800A1 JP 2011050047 W JP2011050047 W JP 2011050047W WO 2011083800 A1 WO2011083800 A1 WO 2011083800A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/06—Generation of reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K999/00—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS dummy group
- H05K999/99—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS dummy group dummy group
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
Definitions
- the present invention relates to a wireless communication system, a wireless terminal, a wireless network, a wireless communication method, and a program.
- 3GPP 3rd Generation Partnership Project
- OPEX operation cost
- Drive-test operator's driving test
- -It is considered to report (Non-Patent Document 1).
- MDT Minimization of Drive-Tests: MDT, also called Drive Test Substitution).
- MDT Minimization of Drive-Tests
- Streets are defined.
- the “measurement” by the wireless terminal mentioned here includes an operation of “detecting” a certain situation.
- a wireless network for example, a wireless base station notifies a wireless terminal in advance of a measurement period and / or a reporting period, and the wireless terminal performs measurement and / or reporting according to them.
- the periodic measurement includes periodic downlink pilot signal quality measurement (Periodical downlink pilot measurements).
- a wireless terminal periodically performs reception quality measurement (Periodical downlink pilot measurements) of a downlink pilot signal of a serving cell, and periodically reports a measurement result.
- the reception quality measurement of the pilot signal includes RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), CPICH RSCP (Common Pilot Channel Received Signal Code Power), CPICH Ec / No (Ec: received energy per chip, No: Noise power density), etc.
- Non-Patent Document 1 Details of Non-Patent Document 1 will be described with reference to FIG. 24 by taking 3GPP LTE (Long Term Evolution) as an example.
- 3GPP LTE Long Term Evolution
- the wireless terminal (UE: “User” Equipment) notifies the wireless base station (eNB: “enhanced” Node “B”) of the functions it supports (UE “capability” report).
- the upper station in the wireless network (EPC: Evolved Packet Core, eg, NM: Network Manager) notifies the eNB of the measurement policy (Measurement policy) (policy indication), and the eNB instructs the UE to measure and report according to the policy. (Measurement logging and reporting configuration).
- EPC Evolved Packet Core
- NM Network Manager
- the UE performs downlink pilot signal reception quality measurement (for example, RSRP) and positioning at period T1, holds the measurement and positioning result as a log (logging), and reports the log to the eNB at period T2 (Measurement) report).
- the eNB reports the report from the UE to a higher-order NW (Log report).
- a timer is used to determine the progress of the cycle T1 / T2. For example, when instructed by the eNB, the UE ends the series of operations.
- the serving cell may be periodically measured for the reception quality of the downlink pilot signal.
- a wireless network for example, a wireless base station notifies a wireless terminal of a condition that triggers measurement and / or reporting in advance, and the wireless terminal satisfies the condition. Measure and / or report.
- trigger conditions for example, broadcast channel reception error (Broadcast Channel Failure), paging channel reception error (Paging Channel Failure), reception quality of the serving cell is degraded from a predetermined threshold (Serving Cell becomes worse than threshold), The remaining transmission power is smaller than a predetermined threshold (Transmit power headroom becomes less than threshold), random access failure (Random access failure), etc.
- Non-Patent Document 2 The wireless terminal also reports information on the time at which the trigger was applied.
- a wireless terminal having a positioning function is also made to perform positioning periodically or when a trigger is applied, and report position information.
- Non-Patent Document 2 a wireless terminal performs measurement (and positioning) with an event trigger, holds the measurement (and positioning) result as a log, and reports with the event trigger.
- the condition that triggers the measurement is paging channel reception error (Paging Channel Failure), and at this time, the wireless terminal measures the reception quality of the downlink pilot signal of the serving cell.
- a condition that triggers a report is a time when a predetermined amount of logs are accumulated. At this time, the wireless terminal reports the logs to the wireless network.
- Non-Patent Document 2 Details of the technology of Non-Patent Document 2 will be described with reference to FIG. 25 by taking 3GPP LTE as an example.
- the UE notifies the eNB of the functions it supports (UE capability report).
- the EPC (for example, NM) notifies the eNB of the measurement policy (Measurement policy) (policy indication), and the eNB issues measurement and reporting instructions to the UE according to the policy (Measurement logging and reporting configuration).
- the measurement trigger is a paging channel reception error
- the report trigger is a point in time when the amount of logs (the amount of memory of the terminal used for logs) reaches a predetermined value.
- the UE periodically receives the paging channel, and when a paging channel reception error (Paging Channel failure) occurs, the UE performs positioning and measurement (for example, RSRP) of the downlink pilot signal of the serving cell and performs measurement and measurement.
- the positioning result is stored as a log together with the time of occurrence of a paging channel reception error (logging).
- logging time of occurrence of a paging channel reception error
- the log is reported to the eNB (Measurement report).
- the eNB reports the report from the UE to a higher-order NW (Log report).
- the UE when instructed by the eNB, the UE ends the series of operations.
- the reception quality measurement of the downlink pilot signal is performed not only for the serving cell but also for the neighboring cells when the measurement trigger occurs.
- 3GPP TR36.805v1.2.0 Internet ⁇ http://www.3gpp.org/ftp/Specs/html-info/36805.htm>
- 3GPP R2-094291 Internet ⁇ http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_67/Docs/R2-094191.zip>
- the wireless terminal performs measurement and reporting as instructed by the wireless network.
- measurement / reporting for MDT is basically a support function that a wireless network expects from a wireless terminal, and is considered an extra operation from the viewpoint of the wireless terminal. Therefore, the following problems are expected.
- Non-Patent Document 1 When performing periodic measurement / reporting as in Non-Patent Document 1, since a wireless terminal always performs measurement / reporting at a designated timing, a battery by transmitting information that the wireless terminal originally does not need to transmit Consumption occurs, and the problem is that the terminal load increases, particularly when the remaining battery level is low.
- Non-Patent Document 2 when measurement / reporting is performed with an event trigger as in Non-Patent Document 2, for example, a wireless terminal in an environment in which a paging channel reception error is likely to occur frequently performs measurement / positioning and reporting. At this time, if there are many wireless terminals in the same environment (a specific range), it is assumed that it is not always necessary to cause all of these wireless terminals to perform measurement / reporting in the same way. Therefore, for example, because there are many reporting terminals, the amount of uplink radio resources used for reporting increases, so that the uplink radio resources that can be used for normal user data transmission decrease or the remaining battery level is low as described above. The wireless terminal consumes an extra battery by measuring and reporting low-necessary information.
- An object of the present invention is to provide a wireless communication system, a wireless terminal, a wireless network, a wireless communication method, and a program capable of collecting necessary information on the wireless network side while reducing the amount.
- the present invention for solving the above problems is a wireless terminal having a function of collecting and reporting measurement information designated by a wireless network, and at least of collection of measurement information by the wireless terminal and reporting of the measurement information to the wireless network
- a control unit that executes at least one of the collection and the reporting.
- the present invention that solves the above problem is a wireless communication system in which a wireless terminal collects and reports measurement information specified by a wireless network, the wireless terminal collecting measurement information and reporting the measurement information to the wireless network Notification means for notifying collection report control information related to at least one of the execution, means for receiving the collection report control information, and execution determination information related to at least one of collection and reporting of the measurement information by a wireless terminal.
- the wireless communication system includes a control unit that executes at least one of the collection and the report based on the collection report control information.
- the present invention for solving the above problems is a wireless network in a wireless communication system in which a wireless terminal collects and reports measurement information specified by a wireless network, and the wireless terminal collects and reports at least the measurement information. It is a wireless network having a notification means for notifying a determination criterion for performing execution determination of at least one of the collection and report based on execution determination information related to one.
- the present invention for solving the above problems is a wireless terminal having a function of collecting and reporting measurement information designated by a wireless network, the wireless terminal collecting measurement information and reporting the measurement information to the wireless network.
- the collection report control information related to at least one of the executions is received, and when the execution determination information related to at least one of the collection and reporting of the measurement information by the own terminal satisfies a predetermined determination criterion, the collection report
- the wireless communication method executes at least one of the collection and the reporting based on control information.
- the present invention for solving the above problems is a wireless communication method in which a wireless terminal collects and reports measurement information designated by a wireless network, and the measurement information is collected by the wireless terminal and the measurement information is reported to the wireless network.
- the collection report control information relating to the execution of at least one of the above is notified, the collection report control information is received, and the execution determination information related to at least one of the collection and reporting of the measurement information by the wireless terminal satisfies a predetermined determination criterion. If the condition is satisfied, the wireless communication method executes at least one of the collection and the report based on the collection report control information.
- the present invention for solving the above problems is a program of a wireless terminal having a function of collecting and reporting measurement information designated by a wireless network, and collecting the measurement information by the wireless terminal and reporting the measurement information to the wireless network
- the collection determination control information related to at least one of the process of receiving the collection report control information related to the execution of at least one of the above and the collection and reporting of the measurement information by the own terminal satisfies a predetermined determination criterion
- the collection report control A program for causing a wireless terminal to execute processing for executing at least one of the collection and reporting based on information.
- the present invention it is possible to collect necessary information on the wireless network side while reducing terminal load caused by measurement / positioning and / or reporting and / or reducing reporting of low-needed information. Can do.
- FIG. 1 is a functional configuration diagram of the present embodiment.
- FIG. 2 is a sequence diagram for explaining a specific operation of the first embodiment.
- FIG. 3 is a sequence diagram for explaining a specific operation of the second embodiment.
- FIG. 4 is a configuration diagram of a radio communication system according to the third embodiment.
- FIG. 5 is a block diagram of the radio terminal (UE) 30.
- FIG. 6 is a block diagram of the radio base station (eNB) 31.
- FIG. 7 is a diagram illustrating an example of determination criterion information.
- FIG. 8 is a diagram illustrating an example of determination criterion information.
- FIG. 9 is a block diagram of NM32.
- FIG. 10 is a sequence diagram for explaining a specific operation of the third embodiment.
- FIG. 11 is a diagram for explaining the third embodiment.
- FIG. 12 is an operation flowchart of the radio terminal (UE) 30.
- FIG. 13 is a diagram illustrating an example of determination criterion information.
- FIG. 14 is a diagram illustrating an example of determination criterion information.
- FIG. 15 is a diagram illustrating an example of determination criterion information.
- FIG. 16 is a diagram illustrating an example of determination criterion information.
- FIG. 17 is a sequence diagram for explaining the operation of the fourth embodiment.
- FIG. 18 is an operation flowchart of the radio terminal (UE) 30.
- FIG. 19 is a diagram illustrating an example of a table held by the wireless terminal (UE) 30.
- FIG. 20 is a configuration diagram of a radio communication system according to the fifth embodiment.
- FIG. 21 is a sequence diagram for explaining the operation of the fifth embodiment.
- FIG. 22 is an operation flowchart of the radio terminal (UE) 30.
- FIG. 23 is a configuration diagram of a radio communication system according to the sixth embodiment.
- FIG. 24 is a diagram for explaining a technique related to the present invention.
- FIG. 25 is a diagram for explaining a technique related to the present invention.
- a wireless terminal having a function of collecting and reporting measurement information designated by the wireless network is a collection report on execution of at least one of collection of measurement information by the wireless terminal and reporting of the measurement information to the wireless network. Receive control information. Then, when the execution determination information related to at least one of the collection and reporting of the measurement information in the own terminal satisfies a predetermined determination criterion, at least one of the collection and reporting is performed based on the collection report control information. It is characterized by performing.
- the execution determination information is information related to at least one of measurement by the wireless terminal and measurement log report that is a record of the measurement result, such as the terminal state of the wireless terminal and / or the collection state of the measurement information, etc.
- the terminal status of the wireless terminal includes the remaining battery level of the wireless terminal (absolute value of battery remaining level, quantized value, index pre-corresponding to the remaining battery level, battery memory amount, etc.) Information (GPS, Cell, TA: Tracking Area, etc., outdoor / indoor information, or other location information detection means (eg OTDOA: A Observed Time Difference Of Arrival method)), communication quality (eg RSRP, RSRQ , CPICH RSCP, CPICH Ec / No), moving speed (absolute value of moving speed, quantized value, index pre-associated with moving speed, pre-defined moving speed level, etc.), GPS signal reception intensity, etc. .
- the measurement information collection status includes the type of measurement information collected (eg, pre-defined index, category, etc.), the amount of measurement information collected (number of measurements, the amount of memory used by the terminal (UE memory usage), etc.) ), The position where the measurement information was collected, a summary of the collected measurement information (for example, the type of measurement information, the number of measurements for each type of measurement information, the time information measured and the position information measured (GPS, Cell, TA : (Tracking (Area), etc., or outdoor / indoor information, etc.), moving speed, etc., but are not limited thereto.
- the type of measurement information collected eg, pre-defined index, category, etc.
- the amount of measurement information collected number of measurements, the amount of memory used by the terminal (UE memory usage), etc.
- the position where the measurement information was collected a summary of the collected measurement information (for example, the type of measurement information, the number of measurements for each type of measurement information, the time information measured and the position information measured (GPS, Cell, TA : (T
- the outdoor / indoor information is, for example, a small in-home base station called HNB (Home NodeB) or HeNB (Home eNodeB), whether the reception intensity of radio waves used to acquire position information such as GPS radio waves is greater than or less than a predetermined value It is thought that it can be acquired by whether it is connected to the station (detected by PCI: [Physical] Cell [ID]).
- the moving speed may be estimated by mounting an acceleration sensor or the like, or estimating based on the number of handovers (or frequency) or the number of cell reselections (or frequency).
- the predetermined determination criterion may be held in advance by the wireless terminal itself, or may be notified as determination criterion information from the wireless network. Further, when the determination criterion information is notified, a method of notifying the determination criterion value corresponding to the item used for execution determination may be used, or the determination criterion value corresponding to the item used for execution determination is defined in advance as a table. However, only the index may be supplied. Depending on the item, there may be a case where the determination reference value is unnecessary.
- the collection of measurement information of wireless terminals and the execution of reporting of collected measurement information are not only performed when all the predetermined determination criteria are satisfied, but priority (priority) is provided for items included in the execution determination information, and a certain level of It may be executed when the wireless terminal satisfies the priority (priority).
- the terminal state is used as the execution determination information when determining whether or not the collection of measurement information can be performed, and the terminal state and / or when determining whether or not the collected measurement information report can be performed.
- the collection status is preferably used as execution determination information. However, this is not limited.
- the execution determination information is communication quality
- a predetermined threshold determination criteria
- measurement information is collected (or reported), and more than the threshold ( Or less than).
- the execution determination information is the remaining battery level
- the measurement information is collected (and / or reported) when the remaining battery level is equal to or greater than a predetermined threshold (determination criterion), and is not performed when the remaining battery level is less.
- the execution determination information is the position of the wireless terminal
- the measurement information is collected (and / or reported) when the position of the own terminal falls within a predetermined range (determination criterion), and the other is not performed.
- the execution determination information is the moving speed of the wireless terminal
- measurement information is collected (and / or reported) when the moving speed of the own terminal is below a predetermined level (judgment criterion), Not performed.
- periodic downlink pilot signal quality measurement (Periodical / downlink / pilot / measurements) can be considered.
- broadcast channel reception error (Broadcast Channel Failure), paging channel reception error (Paging Channel Failure), and the reception quality of the serving cell deteriorated below a predetermined threshold (Serving Cell becomes worse than threshold)
- the transmission power is less than a predetermined threshold (Transmit power headrooms less than threshold), random access failure (Random access (RA) failure), radio link disconnection (Radio Link Failure: RLF), and the like.
- broadcast channel reception error (Broadcast Channel Failure), paging channel reception error (Paging Channel Failure), the reception quality of the serving cell has deteriorated below a predetermined threshold (Serving Cell Cellcome worse thank threshold), and the remaining transmission power is predetermined Less than threshold (Transmit power headroom be es less than threshold), random access failure (RA failure), radio link disconnection (RLF), own cell (serving cell) and / or neighboring cell (Neighbouring cell (s )) Communication quality (for example, RSRP, RSRQ, CPICH RSCP, CPICH Ec / No) may also be collected. It is also conceivable to collect location information and time information together. Note that these are merely examples, and the application target of the present invention is not limited to these.
- triggers for reporting measurement information collected by wireless terminals include absolute time (Absolute time based), on demand (On demand) from wireless network (for example, wireless base station), periodic timer Examples include, but are not limited to, expiration (Periodical timer based), terminal memory usage (log amount) (UE memory ⁇ usage based), terminal location (Location based), and combinations (Combined triggers) described above.
- “collection” here means that certain information is acquired by “measurement” or “detection” and the acquired “results are retained”.
- the measurement or detection, the information acquisition operation to be executed in association therewith, and the operation equivalent thereto are collectively described (defined) as “measurement”.
- the measurement information that is acquired and held by the wireless terminal in the broad sense “measurement” is collectively defined as “measurement log”.
- the description of the operation of “holding the measurement result” is omitted, assuming that the measurement result is held.
- FIG. 1 is a functional configuration diagram of the present embodiment.
- the wireless communication system is a wireless communication system that collects information by causing a wireless terminal to measure and report information required by the wireless network. ) And the wireless network 2.
- the radio terminal 1 includes a recording / reporting capability memory 11 (Logging / reporting capability memory), a measurement and measurement result recording function 12 (Measurement logging function), and a measurement / report execution decision function 13 (Measurement / reporting decision function). ) And a measurement reporting function 14 (Measurement reporting function).
- the wireless network 2 has an OAM (Operation / Administration / Maintenance) policy and OAM request implementation function 21 (OAM policy / & requirement / enforcement function) and a log storage function (Log storage) 22.
- OAM Operaation / Administration / Maintenance
- OAM request implementation function 21 OAM policy / & requirement / enforcement function
- Log storage log storage
- the recording / reporting capacity memory 11 of the wireless terminal 1 performs a terminal capability report (UE capability report) regarding the recording capability and the reporting capability.
- the terminal capability report performed here notifies a function (for example, the presence / absence of a communication quality measurement function or a GPS function, or detailed information related thereto) that the wireless terminal 1 has.
- the OAM policy and OAM request execution function 21 of the wireless network 2 refers to the terminal capability report (UE capability) report), the measurement method of the wireless terminal 1 or the measurement result recording method (Measurement logging configuration), Then, the reporting method (Reporting configuration) is determined and the wireless terminal 1 is instructed.
- UE capability terminal capability report
- Measurement logging configuration measurement result recording method
- the OAM policy and OAM request execution function 21 of the wireless network 2 is configured so that the necessary predetermined determination criteria (items (indexes) used for execution determination, or reference values, indexes, and priorities corresponding to the items (indexes) are described. Level).
- the measurement / report execution determination function 13 of the wireless terminal 1 determines whether or not the execution determination information (for example, the terminal state) of the own terminal satisfies a predetermined determination criterion, and whether or not to perform measurement (and / or report). Determine. When performing measurement, the measurement is performed according to the instructed measurement method and recording method, and the measurement result is recorded.
- the execution determination information for example, the terminal state
- the measurement result is recorded.
- the measurement (or detection) targets that the wireless terminal holds the result as a measurement log are periodic downlink pilot signal quality measurements (Periodical downlink pilot measurements), broadcast channel reception errors (Broadcast Channel Failure), paging channel reception Error (Paging Channel Failure), the reception quality of the serving cell has deteriorated below the predetermined threshold (Serving Cell becomes worse than threshold), the remaining transmit power is less than the predetermined threshold (Transmit power headroom becomes less than threshold), random There are access failures (Random access (RA) failure), radio link disconnection (Radio Link Failure: RLF), etc.
- broadcast channel reception error (Broadcast Channel Failure), paging channel reception error (Paging Channel Failure), the reception quality of the serving cell has deteriorated below a predetermined threshold (Serving Cell Cellcome worse thank threshold), and the remaining transmission power is predetermined Less than threshold (Transmit power headroom be es less than threshold), random access failure (RA failure), radio link disconnection (RLF), own cell (serving cell) and / or neighboring cell (Neighbouring cell (s )) Communication quality (for example, RSRP, RSRQ, CPICH RSCP, CPICH Ec / No) is also considered.
- the measurement report function 14 when executing measurement or report, measures according to the instructed measurement and report method, records the result as a measurement log, and reports the measurement log to the wireless network 2 (Measurement log report) I do.
- the message transmitted from the wireless terminal to the wireless network and the message transmitted from the wireless network to the wireless terminal can be realized by RRC (Radio Resource Control) signaling or MAC (Medium Access Control) signaling.
- RRC Radio Resource Control
- MAC Medium Access Control
- FIG. 2 is a sequence diagram for explaining the specific operation of the first embodiment.
- the wireless network (NW) 2 uses collection report control information (Measurement, reporting and logging configuration) indicating measurement, recording, and reporting methods, and determination used for determination of measurement and / or report execution in the wireless terminal (UE) 1
- Configuration information including reference information (Measurement ⁇ decision ⁇ criteria configuration) is notified to the wireless terminal (UE) 1 (Step 1000).
- the setting information here may be a message (RRC Connection Reconfiguration) for notifying various settings of the wireless terminal, or may be defined as another independent message.
- the wireless terminal (UE) 1 determines whether or not the execution determination information held satisfies the determination criterion of the notified determination criterion information (MeasurementMeasureexecution decision) (Step 1001).
- the wireless terminal (UE) 1 does not perform measurement / report processing when the determination criterion is not satisfied.
- a measurement / report rejection (impossible) message may be sent (Measurement request request) (Step 1002).
- Step 1003 measurement, measurement result recording, and reporting are performed as instructed by the collection report control information (Steps 1004 to 1005).
- the wireless network can use, for example, the collected information to optimize parameters that configure the wireless network.
- the object of execution determination based on the execution determination information is both measurement and report, but only measurement may be performed. For example, when instructed to perform periodic measurement and reporting, it is determined whether or not the measurement is triggered every time the measurement trigger is triggered. If you are, you may report them.
- a node of the radio network (NW) that performs the operation in the present embodiment, for example, a base station control station (RNC), a radio base station (NB / eNB / BTS), NM, DM, and the like can be considered. It is not limited.
- FIG. 3 is a sequence diagram for explaining a specific operation of the second embodiment.
- the wireless network (NW) 2 notifies the wireless terminal (UE) 1 of setting information including collection report control information (Measurement, “reporting” and “logging” configuration) indicating measurement, recording and reporting methods (Step 1100).
- collection report control information Measurement, “reporting” and “logging” configuration
- the wireless terminal (UE) 1 determines whether or not the execution determination information held by the wireless terminal (UE) 1 satisfies a predetermined determination criterion held by the wireless terminal (UE) 1 (Measurement execution decision) (Step 1101).
- the wireless terminal (UE) 1 does not perform measurement / report processing when the determination criterion is not satisfied.
- a measurement / report rejection (impossible) message may be transmitted (Measurement request request) (Step 1102).
- Step 1103 measurement, measurement result recording, and reporting are performed as instructed by the collection report control information (Steps 1104 to 1105).
- the wireless network can use, for example, the collected information to optimize parameters that configure the wireless network.
- the target of execution determination based on the execution determination information is both measurement and report, but only measurement may be used. For example, when instructed to perform periodic measurement and reporting, it is determined whether or not the measurement is triggered every time the measurement trigger is triggered. If you are, you may report them.
- a node of the radio network (NW) that performs the operation in the present embodiment, for example, a base station control station (RNC), a radio base station (NB / eNB / BTS), NM, DM, and the like can be considered. It is not limited.
- FIG. 4 is a configuration diagram of a radio communication system according to the third embodiment.
- the NM (Network Manager) 32 notifies the radio base station (eNB) 31 of the measurement by the terminal, the recording of the measurement result, and the policy of reporting the policy (Policy indication).
- Policy indication the policy of reporting the policy (Policy indication).
- minimization of a driving test MDT: “Minimization” of “Drive” Test.
- driving test “Substitution” a driving test “Substitution”.
- the radio base station (eNB) 31 relates to a measurement, recording, and reporting method for setting information notified to the radio terminal (UE) 30 based on measurement, recording of the measurement result, and policy of reporting the report (Policy indication). Notification is made including both collection report control information (Measurement, “logging” and “reporting” configuration) and measurement criterion information (Measurement “decision” criteria).
- the radio terminal (UE) 30 reports a measurement result record (measurement log) to the radio base station (eNB) 31 (Measurement log report).
- the radio base station (eNB) 31 reports all or part of the measurement log reported from the radio terminal (UE) 30 to the upper NM 32 (Log report).
- FIG. 5 is a block diagram of the radio terminal (UE) 30.
- the transmitter 301 or the receiver 302 transmits / receives a signal to / from the radio base station.
- the signal processing unit 303 generates a transmission signal and demodulates a reception signal.
- the communication control unit 305 instructs the signal processing unit 303 to generate a transmission signal and restore information.
- the terminal capability storage unit 308 stores the capability related to measurement and reporting of the terminal, and is appropriately read as necessary.
- the measurement execution determination unit 310 (when determining whether to perform measurement) determines whether or not the execution determination information such as the terminal state satisfies a predetermined determination criterion, and determines whether or not to execute the measurement.
- the measurement unit 304 measures or detects the target specified by the radio base station.
- the storage unit 307 stores information measured or detected by the measurement unit 304 and is read out as necessary.
- the positioning unit 309 performs positioning when the measurement unit 304 measures the target specified by the radio base station 31.
- the positioning is not only the position detection by GPS etc., but also the reading of area information (cell, TA, etc.) where the wireless terminal is located, the acquisition of outdoor or indoor information, other location information acquisition methods (eg OTDOA method) Etc. are also included.
- the report execution determination unit 311 determines whether or not the execution determination information such as the terminal state satisfies a predetermined determination criterion (when determining whether to perform the report) and determines whether to execute the report.
- the report control unit 306 stores the measurement log stored when the condition specified by the radio base station 31 or a predetermined condition is satisfied. Instruct to report to 31.
- FIG. 6 is a block diagram of the radio base station (eNB) 31.
- the receiver 402 or the transmitter 401 transmits / receives a signal to / from the wireless terminal.
- the signal processor 403 generates a transmission signal and demodulates a reception signal.
- the communication control unit 405 instructs the signal processing unit to generate a transmission signal and restore information.
- the terminal management unit 407 manages the status of each of the plurality of wireless terminals individually.
- the interface 406 transmits and receives information to and from the upper station NM32.
- the terminal report storage unit 404 is a part for storing measurement information reported from the wireless terminal 30, and the stored measurement information is reported to the upper station NM32 via the interface 406 as necessary.
- the measurement / report control unit 409 is a part that controls measurement / reporting by the radio terminal (UE) 30 based on a policy specified by the upper station NM. In this embodiment, the measurement / report control unit 409 transmits determination criterion information to the radio terminal (UE). 30.
- An example of the criterion information (Measurement decision criteria configuration) is shown in FIG.
- the criterion information shown in FIG. 7 stores items (categories), items (indexes), and reference values in association with each other.
- the item (category) is communication quality
- the item (index) is A certain RSRP / RSRQ (in the case of LTE) and x1xdBm / x2 dBm, which are the reference values, are associated with each other.
- the item (category) is a remaining battery level
- the remaining amount as the item (index) is associated with xx ⁇ W as the reference value, or the remaining memory amount as the item (index)
- the x values that are the reference values are associated with each other.
- Other items (categories) include the position of the terminal and the moving speed.
- the item (category) may not be notified to the wireless terminal.
- the determination criterion information illustrated in FIG. 7 is an example, and is not limited thereto.
- an item (category), an item (indicator), and a reference value are associated with each other.
- the item (category) includes a log type (collected measurement information type), a log There are an amount (amount of collected measurement information), a log acquisition position (a position where measurement information is acquired), a log acquisition time (a time when measurement information is collected), and the like.
- log types are used, items (indicators) are notified, and when a wireless terminal has a corresponding type of log, only those are reported to the wireless network. In this case, there is no particular reference value.
- the amount of logs is used, a method of using the memory usage of the wireless terminal as an index can be considered.
- the determination is performed by comparing the position information and time information actually held by the wireless terminal with the notified reference value. These items may be used one by one or in combination. 8 is basically preferably used for determination of log report execution, but may be used for determination of measurement execution.
- FIG. 9 is a block diagram of NM32.
- the OAM management unit 501 performs operation, administration, and maintenance of the entire wireless network.
- the communication control unit 502 controls transmission / reception of information with other wireless network nodes, for example, wireless base stations, via the interface.
- the terminal measurement management unit 504 determines information that needs to be collected and a policy for the collection, and notifies the radio base station via the interface 503.
- the terminal report storage unit 505 stores measurement information reported from the wireless terminal, and is read out as necessary.
- the read measurement information is used for wireless network optimization and the like.
- FIG. 10 is a sequence diagram for explaining the specific operation of the third embodiment.
- the details (items and reference values) of the determination criterion information used by the wireless base station (eNB) 31 for execution determination are notified, and the execution determination information of the wireless terminal (UE) 30 is notified.
- An example of executing measurement and reporting when the standard is satisfied will be described.
- wireless terminal (UE) 30 shall be periodically performed based on the timer notified from the radio base station (eNB) 31.
- the radio terminal (UE) 30 performs a terminal capability report (UE capability report) (Step 100).
- NM32 notifies the measurement policy (Measurement policy) to the radio base station (eNB) 31 (Step 101).
- the radio base station (eNB) 31 sends the timer value of the measurement cycle of the radio terminal (UE) 30 and the timer value of the report cycle for reporting the measurement log based on the measurement policy (Measurement policy). Moreover, in this Embodiment, the criterion information (Measurement decision criteria configuration) which wireless terminal (UE) 30 uses is also transmitted to wireless terminal (UE) 30 (Step 102). In the following description, as the criterion information (Measurement decision criteria configuration) transmitted to the radio terminal (UE) 30, the item (index) is the remaining battery amount and the criterion value is xx W.
- the wireless terminal (UE) 30 sets the notified timer value according to the instructed measurement method and report method. In the measurement cycle based on the measurement, the measurement result is recorded and the measurement result is recorded (Measurement logging) (Step 105).
- the radio terminal (UE) 30 transmits a measurement log report (Measurement log report) to the radio base station (eNB) 31 using the received radio resource (Step 107). Then, the radio base station (eNB) 31 transmits all or a part of the received measurement log to the NM 32 (Log report) (Step 108).
- measurement and reporting can be performed without increasing (excessively) the load on the wireless terminal.
- the NM 32 notifies the wireless base station (eNB) 31 of the measurement policy (Measurement policy) (policy indication) after receiving the terminal capability report (UE capability report).
- the timing is not limited to the above, and may be other timing such as before reception of the terminal capability report (UE capability report).
- the radio base station (eNB) 31 may hold the measurement policy (Measurement policy) in advance, and in this case, it is not essential to notify the measurement policy (Measurement policy) (policy indication).
- the present invention is applied in a system in which measurement and reporting are periodic, but it goes without saying that the present invention can be performed in an event trigger system.
- RRC signaling can be considered as a notification method of determination criterion information (Measurement decision criteria) notified from the radio base station (eNB) of this embodiment to the radio terminal (UE).
- the determination criterion information (Measurement decision criteria) is added to a message (IE: Information Element) notifying the setting of measurement and reporting operation by the wireless terminal (UE) called “MeasConfig IE”. It may be notified by including it as “measCriteriaConfig”.
- FIG. 12 is an operation flowchart of the radio terminal (UE) 30.
- the radio terminal (UE) 30 receives collection report control information (Measurement logging and reporting configuration) related to the setting of the measurement method and the report method (Step 200).
- the wireless terminal (UE) 30 receives the determination criterion information (Measurement decision criteria configuration) (Step 201).
- the wireless terminal (UE) 30 determines whether or not the execution criterion information (terminal state or the like) satisfies the notified criterion (Measurement decision criteria) (Satisfy measure criteria?) (Step 202).
- the radio terminal (UE) 30 starts a measurement timer and a reporting timer (Start measurement time and reporting timer) (Step 203) when the determination criterion (Measurement decision criteria) notified of the terminal state is satisfied.
- Step 204 Measurement timer? Expired?)
- Step 204 measurement and positioning are performed (Perform measure and localization), and the measurement timer is started again (Restart measurement timer) (Step 205).
- Step 206 the radio terminal (UE) 30 reports the measurement log (Perform measurement report) and restarts the reporting timer. (Restart reporting timer) (Step 207).
- Step 208 the process ends (Step 208).
- the criterion information an index indicating a terminal state item used as a criterion and a criterion value may be notified.
- the wireless terminal (UE) previously holds a table in which an index is associated with an item (category), an item (index), and a reference value.
- An example of this criterion information is shown in FIG. There may be no item (category). Further, depending on the item (index), there may be no reference value (for example, the type of log as shown in FIG. 8).
- the determination criterion information shown in FIG. 13 stores an index, an item (category), an item (index), and a reference value in association with each other.
- the indexes 1 and 2 respectively, communication quality, RSRP,
- the reference values x1 dBm and y1 dBm are associated with each other.
- indexes 3 and 4 communication quality RSRQ, and x2 dBm and y2 dBm, which are reference values thereof, are associated with each other. Thereafter, the same applies to the index, and is associated with the remaining battery level, the terminal position, the moving speed, and the like.
- measurement or reporting may be performed when the channel quality is equal to or higher than the reference value, and conversely, it may be performed when the channel quality is less than (or below) the reference value. good.
- the measurement is performed when it is less than (or below) the reference value, and the report is performed when it is greater than or equal to the reference value. This is because the measurement needs to grasp the environment where the communication channel quality is worse on the wireless network side, and the report is desired to be executed with as little load on the wireless terminal as possible.
- the reference value is not limited to one, and a certain range may be specified. For example, x1-1 dBm or more and x1-2 dBm or less.
- the radio base station (eNB) 31 transmits such an index as determination criterion information to the radio terminal (UE) 30 that holds the execution determination information. Then, the wireless terminal (UE) 30 compares the received index with a pre-defined table held, identifies an item (category), an item (indicator), and a reference value that are determination criteria, and determines this Use as a reference.
- the index value may be one or plural.
- a plurality of reference values are provided for one item (category) and item (index), and different indexes are attached, but as shown in FIG.
- One item (category), one item (index), and one reference value may be associated with each other.
- a plurality of items (category / index) and a plurality of reference values corresponding to each item may be associated with one index.
- the table as described above may be notified from the radio base station (eNB) even if it is not defined as a specification.
- eNB radio base station
- a fourth embodiment will be described.
- a case where a 3GPP LTE (Long Term Evolution) system is assumed will be described. Since the wireless terminal, the wireless base station, and the NM have the same configuration, the description will focus on the different points.
- 3GPP LTE Long Term Evolution
- a table is used in which one or more items and a corresponding criterion value are used as a set, and a priority is assigned to each set.
- the radio base station (eNB) 31 and the radio terminal (UE) 30 each have the table.
- the radio base station (eNB) 31 transmits only the priority (priority) to the radio terminal (UE) 30. And in the radio
- priority (priority) 0 is associated with communication quality, battery remaining capacity, and movement speed
- priority (priority) 1 is associated with communication quality and battery remaining capacity
- priority (priority) 4 is associated with the remaining battery level
- priority (priority) 5 is associated with the communication quality and the moving speed
- priority (priority) 7 is associated with the communication quality.
- the radio base station (eNB) 31 transmits 1 as the priority (priority).
- the wireless terminal (UE) 30 has at least the terminal quality of its own terminal, the communication quality is at least x2 dBm in RSRP, y2 dBm in RSRQ, the remaining battery capacity is at least xx1 W (or the remaining memory amount is y1) If so, measure and / or report.
- the execution determination method is not limited to this. For example, when RSRP is less than x2 dBm (or less), RSRQ is less than y2 dBm (or less), and the remaining battery level is xx1 W or more, measurement and / or reporting is required. You may make it do.
- the method of using the reference value may be changed between the measurement execution determination and the report execution determination.
- the reference value may specify a certain range instead of one. For example, it may be at least x1-1 dBm and less than (or below) x1-2 dBm. Further, both the remaining battery amount and the remaining memory amount may be specified, or either one may be specified.
- the table as described above may be notified from the radio base station (eNB) even if it is not defined as a specification.
- FIG. 17 is a sequence diagram for explaining the operation of the fourth embodiment.
- the wireless terminal (UE) 30 holds a table associated with priorities.
- wireless terminal (UE) 30 shall be periodically performed based on the timer notified from the radio base station (eNB) 31.
- the radio terminal (UE) 30 performs a terminal capability report (UE capability report) (Step 300).
- NM32 notifies the measurement policy (Measurement policy) to the radio base station (eNB) 31 (Step 301).
- the radio base station (eNB) 31 Based on the measurement policy (Measurement policy), the radio base station (eNB) 31 measures the measurement method of the radio terminal (UE) 30, the measurement result recording method, the reporting method, the timer value of the measurement period related to them, the measurement The timer value of the reporting period for reporting the log is sent as collection report control information (Measurement, “reporting” and “logging” configuration). Moreover, in this Embodiment, the priority applied to the radio
- the wireless terminal (UE) 30 determines whether or not its own terminal execution determination information (terminal state or the like) satisfies a determination criterion corresponding to the notified priority (Measurement execution decision) (Step 303). If the terminal status of the terminal itself does not satisfy the determination criterion corresponding to the notified priority, the measurement and reporting processes are not performed. At this time, a measurement / report rejection message may be transmitted (not shown) as in the above-described embodiment.
- the wireless terminal (UE) 30 notifies the notified timer according to the instructed measuring method and reporting method. Measurement is performed at a measurement cycle based on the value, and the measurement result is recorded (Measurement logging) (Step 305).
- the wireless terminal (UE) 30 transmits a measurement log report (Measurement log) to the wireless base station (eNB) 31 (Step 307). Then, the radio base station (eNB) 31 transmits all or a part of the received measurement log to the NM 32 (Log report) (Step 308).
- measurement and reporting can be performed without increasing (excessively) the load on the wireless terminal.
- the NM 32 notifies the radio base station (eNB) 31 of the measurement policy (Measurement policy) (policy indication) after receiving the terminal capability report (UE capability report).
- the timing is not limited to the above, and may be other timing such as before reception of the terminal capability report (UE capability report).
- the radio base station (eNB) 31 may hold the measurement policy (Measurement policy) in advance, and in this case, it is not essential to notify the measurement policy (Measurement policy) (policy indication).
- the present invention is applied in a system in which measurement and reporting are periodic, but it goes without saying that the present invention can be performed in an event trigger system.
- FIG. 18 is an operation flowchart of the radio terminal (UE) 30.
- the radio terminal (UE) 30 receives the setting of the measurement method and the reporting method (Measurement logging and reporting configuration) (Step 400). Further, the radio terminal (UE) 30 also receives a priority (Priority indicator notification) (Step 401).
- the wireless terminal (UE) 30 determines whether or not the execution determination information (terminal state or the like) is in a state more than specified by the notified priority (Having higher priority?) (Step 402).
- the radio terminal (UE) 30 starts a measurement timer and a reporting timer when the terminal status is higher than specified by the notified priority (Start measurement timer and reporting timer) (Step 403) .
- Step 404 Measurement timer expired
- Step 404 measurement and positioning are performed (Perform measure and localization), and the measurement timer is started again (Restart measurement timer) (Step 405).
- Step 406 the radio terminal (UE) 30 reports the measurement log (Perform measurement report) and restarts the reporting timer. (Restart reporting timer) (Step 407).
- Step 404 If further measurement processing is necessary, the process proceeds to Step 404; otherwise, the process is terminated (Step 408).
- measurement and reporting can be performed without increasing (excessively) the load on the wireless terminal.
- the wireless terminal (UE) 30 holds a table as shown in FIG. 19 in advance, and the wireless base station (eNB) 31 notifies the priority (priority).
- the wireless base station (eNB) 31 notifies the priority (priority).
- a priority there is a method of designating the number of determination criteria to be satisfied. For example, when the wireless terminal (UE) 30 is notified of the priority 3, when the priority (priority) among the determination criteria satisfies a determination criterion of 3 (or less), measurement and / or reporting is performed. Execute.
- the wireless terminal (UE) 30 holds the determination criterion in advance, and the wireless base station (eNB) 31 does not transmit the determination criterion information. And the radio
- the execution determination information for example, terminal state etc.
- FIG. 20 is a configuration diagram of a radio communication system according to the fifth embodiment.
- the NM (Network Manager) 32 notifies the radio base station (eNB) 31 of the measurement by the terminal, the recording of the measurement result, and the policy of reporting the policy (Policy indication).
- eNB radio base station
- Policy indication policy indication
- minimization of a driving test also called MDT: “Minimization” of “Drive” Test or a driving test Substitution
- the radio base station (eNB) 31 measures, records, and reports to the radio terminal (UE) 30 based on the measurement, the recording of the measurement result, and the policy of reporting the report (Policy indication). configuration).
- FIG. 21 is a sequence diagram for explaining the operation of the fifth embodiment.
- the wireless terminal (UE) 30 has a determination criterion.
- wireless terminal (UE) 30 shall be periodically performed based on the timer notified from the radio base station (eNB) 31.
- the wireless terminal (UE) 30 performs a terminal capability report (UE capability report) (Step 500).
- NM32 notifies the measurement policy (Measurement policy) to the radio base station (eNB) 31 (Step 501).
- the radio base station (eNB) 31 Based on the measurement policy (Measurement policy), the radio base station (eNB) 31 measures the measurement method of the radio terminal (UE) 30, the method of recording the measurement result, the method of reporting, the timer value of the measurement cycle related to them, the measurement A timer value of a reporting cycle for reporting a log is transmitted as collection report control information (Measurement, “reporting” and “logging” configuration) (Step 502).
- the wireless terminal (UE) 30 determines whether or not the execution criterion information (terminal state, etc.) of the own terminal satisfies the determination criteria held (Measurement execution decision) (Step 503). If the terminal status of the terminal does not satisfy the judgment criteria held by the terminal, measurement and reporting are not performed. At this time, a measurement / report rejection message may be transmitted (not shown) as in the above-described embodiment.
- the wireless terminal (UE) 30 notifies the timer notified in accordance with the instructed measurement method and report method. Measurement is performed at a measurement cycle based on the value, and the measurement result is recorded (Measurement logging) (Step 505).
- the radio terminal (UE) 30 transmits a measurement log report (Measurement log) report to the radio base station (eNB) 31 (Step 507). Then, the radio base station (eNB) 31 transmits all or a part of the received measurement log to the NM 32 (Log report) (Step 508).
- a measurement log report Measurement log
- the radio base station (eNB) 31 transmits all or a part of the received measurement log to the NM 32 (Log report) (Step 508).
- measurement and reporting can be performed without increasing (excessively) the load on the wireless terminal.
- the NM 32 notifies the radio base station (eNB) 31 of the measurement policy (Measurement policy) (policy indication) after receiving the terminal capability report (UE capability report).
- the timing is not limited to the above, and may be other timing such as before reception of the terminal capability report (UE capability report).
- the radio base station (eNB) 31 may hold the measurement policy (Measurement policy) in advance, and in this case, it is not essential to notify the measurement policy (Measurement policy) (policy indication).
- the present invention is applied in a system in which measurement and reporting are periodic, but it goes without saying that the present invention can be performed in an event trigger system.
- FIG. 22 is an operation flowchart of the radio terminal (UE) 30.
- the radio terminal (UE) 30 receives the setting of the measurement method and the reporting method (Measurement logging and reporting configuration) (Step 600).
- wireless terminal (UE) 30 reads the determination criteria which it holds (Read
- the wireless terminal (UE) 30 determines whether or not the terminal state satisfies the execution criterion information (terminal state or the like) (Satisfy (measure criteria?) (Step 602).
- the radio terminal (UE) 30 starts a measurement timer and a reporting timer (Start measurement unit timer and reporting unit timer) when the terminal state satisfies a determination criterion (Measurement determination criterion) (Step 603).
- Step 604 measurement and positioning are performed (Perform measure and localization), and the measurement timer is started again (Restart measurement timer) (Step 605).
- Step 606 the radio terminal (UE) 30 reports the measurement log (Perform measurement report) and restarts the reporting timer. (Restart reporting timer) (Step 607).
- FIG. 23 is a configuration diagram of a radio communication system according to the sixth embodiment.
- the UE (DM client) 600 corresponds to the wireless terminal (UE) 30, the DM (Device management) server 601 corresponds to the wireless base station (eNB) 31, and the NM (Network manager) 602 corresponds to the NM (Network Manager) 32. To do. And each part performs the same operation
- the NM (Network Manager) 602 notifies the DM (Device Management) server 601 of the measurement, the recording of the measurement result, and the policy of reporting the record (Policy Indication).
- the DM server 601 notifies the UE 600, which is a DM client, of the measurement / recording / reporting method (Measurement, logging and reporting method configuration).
- the UE 600 reports the measurement result record (measurement log) to the DM server 601, and the DM server 601 reports the log reported from the UE 600 to the upper NM 602.
- the measurement and reporting policies are notified from the upper network node (NM) to the radio base station (eNB).
- NM network node
- eNB radio base station
- the radio base station (eNB) may determine and set it by itself, or change it while considering what is notified from the NM.
- 3GPP LTE was basically assumed, but the application target of the present invention is not limited to this.
- the present invention can be applied to UMTS (Universal Mobile Telecommunication System) represented by WCDMA (Wideband Code Division Multiple Access), WiMAX (Worldwide interoperability for Microwave Access), and the like.
- WCDMA Wideband Code Division Multiple Access
- WiMAX Worldwide interoperability for Microwave Access
- each unit is configured by hardware, but may be configured by a program that causes an information processing apparatus (CPU) to perform the above-described operation processing.
- CPU information processing apparatus
- a wireless terminal having a function of collecting and reporting measurement information designated by a wireless network, Means for receiving collection report control information relating to execution of at least one of collection of measurement information by a wireless terminal and reporting of the measurement information to a wireless network; Control for executing at least one of the collection and report based on the collection report control information when execution determination information related to at least one of collection and report of the measurement information by the terminal satisfies a predetermined determination criterion And a wireless terminal.
- the predetermined determination criterion includes at least one index of the execution determination information and at least one reference value for the index, When the index value of the index of the execution determination information corresponding to the index of the predetermined determination criterion satisfies the reference value, the control means, based on the collection report control information, at least one of the collection and the report.
- the predetermined criterion is identification information for identifying at least one or more of the combinations;
- the control means compares the identification information with the table, specifies an index of the execution determination information corresponding to the identification information and a reference value for the index, and an index value of the index of the execution determination information is the The wireless terminal according to any one of appendix 1 to appendix 6, which executes at least one of the collection and the report based on the collection report control information when the specified reference value is satisfied.
- the predetermined criterion is at least priority;
- the control means compares the priority of the predetermined determination criterion with the table, specifies an index of the execution determination information corresponding to at least the priority of the predetermined determination criterion, and a reference value for the index, If the index value of the index of the execution determination information satisfies the specified reference value, any one of appendix 1 to appendix 7 that executes at least one of the collection and report based on the collection report control information
- the control means compares the priority of the predetermined determination criterion with the table, and the index of the execution determination information and the index corresponding to at least a priority equal to or higher than the priority of the predetermined determination criterion. And a reference value for executing the collection and the reporting based on the collection report control information when the index value of the index of the execution determination information satisfies the specified reference value 8.
- the predetermined criterion is at least a value;
- the control means based on the collection report control information, when the number of indices whose index value of the execution determination information satisfies the reference value satisfies at least the number of values of the predetermined determination criterion,
- the wireless terminal according to any one of supplementary note 1 to supplementary note 9, which executes at least one of reports.
- the index of the execution determination information is At least one of the remaining battery level of the wireless terminal, the position information of the wireless terminal, the reception strength of the positioning radio wave (GPS radio wave) of the wireless terminal, the communication quality of the wireless terminal, and the moving speed of the wireless terminal, or a combination thereof, or ,
- the type of measurement information collected by the wireless terminal the amount of measurement information collected by the wireless terminal, the location from which the wireless terminal has collected measurement information, and the summary of measurement information collected by the wireless terminal, or a combination thereof
- the wireless terminal according to any one of Supplementary Note 1 to Supplementary Note 10, wherein
- the wireless terminal according to any one of Supplementary Note 1 to Supplementary Note 11, wherein the wireless network includes at least one of a wireless base station, a base station control station, DM (Device Manager), or NM (Network Manager). .
- DM Device Manager
- NM Network Manager
- a wireless communication system in which a wireless terminal collects and reports measurement information specified by a wireless network, A notification means for notifying collection report control information related to execution of at least one of collection of measurement information by a wireless terminal and reporting of the measurement information to a wireless network; Means for receiving the collection report control information; Control that executes at least one of the collection and report based on the collection report control information when execution determination information related to at least one of collection and report of the measurement information by a wireless terminal satisfies a predetermined determination criterion And a wireless communication system.
- the radio according to supplementary note 13, wherein the execution determination information includes at least one of at least one index of information regarding a state of the wireless terminal and information regarding a collection state of measurement information and an index value of the index. Communications system.
- the notification means notifies a predetermined determination criterion including at least one index of the execution determination information and at least one reference value for the index, When the index value of the execution determination information index corresponding to the notified predetermined determination criterion index satisfies the reference value, the control means, based on the collection report control information, at least the collection and report 18.
- the radio communication system according to any one of appendix 13 to appendix 17, wherein either one is executed.
- a table of combinations of at least one index of the execution determination information and a reference value for the index The notifying means notifies a predetermined criterion including identification information for identifying at least one or more of the combinations,
- the control means compares the notified identification information with the table, specifies an index of the execution determination information corresponding to the identification information and a reference value for the index, and an index of the index of the execution determination information.
- the notification means notifies a predetermined criterion including at least priority
- the control means compares the notified priority of the predetermined determination criterion with the table, and determines at least an index of the execution determination information corresponding to the priority of the predetermined determination criterion and a reference value for the indicator.
- the index value of the indicator of the execution determination information satisfies the specified reference value
- the at least one of the collection and the report is executed based on the collection report control information.
- the radio wireless communications system in any one.
- the control unit compares the notified priority of the predetermined determination criterion with the table, and the index of the execution determination information corresponding to at least a priority equal to or higher than the priority of the predetermined determination criterion. And a reference value for the indicator, and when the indicator value of the indicator of the execution determination information satisfies the specified reference value, at least one of the collection and the report is performed based on the collection report control information.
- the notification means notifies a predetermined criterion including at least a value
- the control means when the number of indices that the index value of the execution determination information satisfies the reference value satisfies at least the number of values of the notified predetermined criterion, based on the collection report control information,
- the wireless communication system according to any one of supplementary note 13 to supplementary note 21, which executes at least one of the collection and reporting.
- the index of the execution determination information is At least one of the remaining battery level of the wireless terminal, the position information of the wireless terminal, the reception strength of the positioning radio wave (GPS radio wave) of the wireless terminal, the communication quality of the wireless terminal, and the moving speed of the wireless terminal, or a combination thereof, or ,
- the type of measurement information collected by the wireless terminal, the amount of measurement information collected by the wireless terminal, the location from which the wireless terminal has collected measurement information, and the summary of measurement information collected by the wireless terminal, or a combination thereof The wireless communication system according to any one of appendix 13 to appendix 22, wherein
- a wireless network in a wireless communication system in which a wireless terminal collects and reports measurement information designated by a wireless network, Notification means for notifying the determination criteria for the wireless terminal to determine execution of at least one of the collection and report based on execution determination information related to at least one of the collection and report of the measurement information Have a wireless network.
- a wireless terminal having a function of collecting and reporting measurement information designated by a wireless network, The wireless terminal receives collection report control information relating to execution of at least one of collection of measurement information and reporting of the measurement information to the wireless network, When the execution determination information related to at least one of the collection and report of the measurement information by the own terminal satisfies a predetermined determination criterion, the wireless terminal, based on the collection report control information, at least one of the collection and report A wireless communication method for executing.
- a wireless communication method in which a wireless terminal collects and reports measurement information designated by a wireless network, Notifying collection report control information related to execution of at least one of collection of measurement information by the wireless terminal and reporting of the measurement information to the wireless network; Receiving the collection report control information; Radio that executes at least one of the collection and report based on the collection report control information when execution determination information related to at least one of collection and report of the measurement information by the wireless terminal satisfies a predetermined determination criterion Communication method.
- a wireless terminal program having a function of collecting and reporting measurement information designated by a wireless network, A process of receiving collection report control information related to execution of at least one of collection of measurement information by a wireless terminal and reporting of the measurement information to a wireless network; A process of executing at least one of the collection and report based on the collection report control information when execution determination information related to at least one of collection and report of the measurement information by the own terminal satisfies a predetermined determination criterion
- Wireless terminal (UE) 2 Wireless network 11 Recording / reporting capacity memory 12 Terminal / log status reporting function 13 Measurement and measurement result recording function 14 Measurement reporting function 21 OAM policy and OAM request implementation function 22 Log storage function 30 Wireless terminal 31 Wireless base station 32 NM 600 Wireless terminal (UE) 601 DM server 601 602 NM
Abstract
Description
<第1の実施の形態>
第1の実施の形態を説明する。第1の実施の形態では、3GPP LTE (Long Term Evolution)のシステムを想定した場合について説明する。
<第2の実施の形態>
第2の実施の形態を説明する。第2の実施の形態では、3GPP LTE (Long Term Evolution)のシステムを想定した場合について説明する。
また、本実施例における動作を行う無線ネットワーク(NW)のノードとしては、例えば基地局制御局(RNC)、無線基地局(NB/eNB/BTS)、NM、DMなどが考えられるが、これらに限定されない。
<第3の実施の形態>
第3の実施の形態を説明する。第1の実施の形態では、3GPP LTE (Long Term Evolution)のシステムを想定した場合について説明する。
<第3の実施の形態の変形例>
上述した第3の実施の形態では、判定基準情報として、判定基準と成る項目(指標)と基準値とを送信する場合を説明した。しかし、これに限られことなく、判定基準情報として、判定基準として用いる端末状態の項目と基準値とを示すインデックスを通知するようにしても良い。この場合、無線端末(UE)は、インデックスと、項目(カテゴリ)、項目(指標)及び基準値とが対応付けられたテーブルを予め保有している。この判定基準情報の一例を図13に示す。なお、項目(カテゴリ)は無くても良い。さらに、項目(指標)によっては、基準値が無くても良い(例えば、図8に示すようなログの種類等)。
<第4の実施の形態>
第4の実施の形態を説明する。第4の実施の形態では、3GPP LTE (Long Term Evolution)のシステムを想定した場合について説明する。尚、無線端末、無線基地局、NMは同様な構成なので、異なる所を中心に説明する。
<第4の実施の形態の変形例>
上述した第4の実施の形態では、無線基地局(eNB)31は、優先度(プライオリティ)のみを無線端末(UE)30に送信する場合を説明した。しかし、これには限定されない。
<第5の実施の形態>
第5の実施の形態を説明する。
<第6の実施の形態>
図23は、第6の実施の形態における無線通信システムの構成図である。
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信する手段と、
自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する制御手段と
を有する無線端末。
付記1に記載の無線端末。
付記1又は付記2に記載の無線端末。
付記1から付記3のいずれかに記載の無線端末。
付記4に記載の無線端末。
前記制御手段は、前記所定の判定基準の指標に対応する前記実行判定情報の指標の指標値が前記基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記1から付記5のいずれかに記載の無線端末。
前記所定の判定基準が、少なくとも一以上の前記組み合わせを識別する識別情報であり、
前記制御手段は、前記識別情報と前記テーブルとを比較し、前記識別情報に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記1から付記6のいずれかに記載の無線端末。
前記所定の判定基準が、少なくとも優先度であり、
前記制御手段は、前記所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記1から付記7のいずれかに記載の無線端末。
付記8に記載の無線端末。
前記所定の判定基準が、少なくとも値であり、
前記制御手段は、前記実行判定情報の指標値が前記基準値を満足する指標の数が、少なくとも前記所定の判定基準の値の数を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記1から付記9のいずれかに記載の無線端末。
無線端末のバッテリ残量、無線端末の位置情報、無線端末の測位用電波(GPS電波)の受信強度、無線端末の通信品質、及び無線端末の移動速度、の少なくともいずれか又はそれらの組み合わせ、又は、
無線端末が収集した測定情報の種類、無線端末が収集した測定情報の量、無線端末が測定情報を収集した位置、及び無線端末が収集した測定情報のサマリー、の少なくともいずれか、又はそれらの組み合わせである
付記1から付記10のいずれかに記載の無線端末。
付記1から付記11のいずれかに記載の無線端末。
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を通知する通知手段と、
前記収集報告制御情報を受信する手段と、
無線端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する制御手段と
を有する無線通信システム。
付記13に記載の無線通信システム。
付記13又は付記14に記載の無線通信システム。
付記13から付記15のいずれかに記載の無線通信システム。
付記13から付記16のいずれかに記載の無線通信システム。
前記制御手段は、前記通知された所定の判定基準の指標に対応する前記実行判定情報の指標の指標値が前記基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記13から付記17のいずれかに記載の無線通信システム。
前記通知手段は、少なくとも一以上の前記組み合わせを識別する識別情報を含む所定の判定基準を通知し、
前記制御手段は、前記通知された識別情報と前記テーブルとを比較し、前記識別情報に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記13から付記18のいずれかに記載の無線通信システム。
前記通知手段は、少なくとも優先度を含む所定の判定基準を通知し、
前記制御手段は、前記通知された所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記13から付記19のいずれかに記載の無線通信システム。
付記20に記載の無線通信システム。
前記通知手段は、少なくとも値を含む所定の判定基準を通知し、
前記制御手段は、前記実行判定情報の指標値が前記基準値を満足する指標の数が、少なくとも前記通知された所定の判定基準の値の数を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
付記13から付記21のいずれかに記載の無線通信システム。
無線端末のバッテリ残量、無線端末の位置情報、無線端末の測位用電波(GPS電波)の受信強度、無線端末の通信品質、及び無線端末の移動速度、の少なくともいずれか又はそれらの組み合わせ、又は、
無線端末が収集した測定情報の種類、無線端末が収集した測定情報の量、無線端末が測定情報を収集した位置、及び無線端末が収集した測定情報のサマリー、の少なくともいずれか、又はそれらの組み合わせである
付記13から付記22のいずれかに記載の無線通信システム。
付記13から付記23のいずれかに記載の無線通信システム。
前記無線端末が、前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報に基づいて、前記収集及び報告の少なくともいずれか一方の実行の判断を行う為の判定基準を通知する通知手段
を有する無線ネットワーク。
無線端末は、測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信し、
無線端末は、自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
無線通信方法。
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を通知し、
前記収集報告制御情報を受信し、
無線端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
無線通信方法。
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信する処理と、
自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する処理と
を無線端末に実行させるプログラム。
2 無線ネットワーク
11 記録/報告能力メモリ
12 端末/ログ状況報告機能
13 測定および測定結果記録機能
14 測定報告機能
21 OAM方針およびOAM要求の実施機能
22 ログ保存機能
30 無線端末
31 無線基地局
32 NM
600 無線端末(UE)
601 DM server601
602 NM
Claims (28)
- 無線ネットワークが指定する測定情報を収集し、報告する機能を有する無線端末であって、
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信する手段と、
自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する制御手段と
を有する無線端末。 - 前記実行判定情報が、無線端末の状態に関する情報、及び測定情報の収集状況に関する情報の少なくともいずれかの指標と該指標の指標値とのいずれかを少なくとも含む
請求項1に記載の無線端末。 - 前記実行判定情報の指標値を収集する実行判定情報収集手段を有する
請求項1又は請求項2に記載の無線端末。 - 前記所定の判定基準は、前記無線ネットワークから通知される
請求項1から請求項3のいずれかに記載の無線端末。 - 前記所定の判定基準は、前記収集報告制御情報とともに設定情報に含まれて前記無線ネットワークから通知される
請求項4に記載の無線端末。 - 前記所定の判定基準が、前記実行判定情報の少なくとも1つの指標と、前記指標に対する少なくとも1つの基準値とを含み、
前記制御手段は、前記所定の判定基準の指標に対応する前記実行判定情報の指標の指標値が前記基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項1から請求項5のいずれかに記載の無線端末。 - 前記実行判定情報の少なくとも一以上の指標と前記指標に対する基準値との組み合わせのテーブルを有し、
前記所定の判定基準が、少なくとも一以上の前記組み合わせを識別する識別情報であり、
前記制御手段は、前記識別情報と前記テーブルとを比較し、前記識別情報に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項1から請求項6のいずれかに記載の無線端末。 - 前記実行判定情報の少なくとも一以上の指標と、前記指標に対する基準値と、優先度との組み合わせのテーブルを有し、
前記所定の判定基準が、少なくとも優先度であり、
前記制御手段は、前記所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項1から請求項7のいずれかに記載の無線端末。 - 前記制御手段は、前記所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度以上の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項8に記載の無線端末。 - 前記実行判定情報の少なくとも一以上の指標と、前記指標に対する基準値との組み合わせのテーブルを有し、
前記所定の判定基準が、少なくとも値であり、
前記制御手段は、前記実行判定情報の指標値が前記基準値を満足する指標の数が、少なくとも前記所定の判定基準の値の数を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項1から請求項9のいずれかに記載の無線端末。 - 前記実行判定情報の指標が、
無線端末のバッテリ残量、無線端末の位置情報、無線端末の測位用電波(GPS電波)の受信強度、無線端末の通信品質、及び無線端末の移動速度、の少なくともいずれか又はそれらの組み合わせ、又は、
無線端末が収集した測定情報の種類、無線端末が収集した測定情報の量、無線端末が測定情報を収集した位置、及び無線端末が収集した測定情報のサマリー、の少なくともいずれか、又はそれらの組み合わせである
請求項1から請求項10のいずれかに記載の無線端末。 - 前記無線ネットワークは、無線基地局、基地局制御局、DM(Device Manager)、又は、NM(Network Manager)の少なくともいずれかを含む
請求項1から請求項11のいずれかに記載の無線端末。 - 無線端末が、無線ネットワークが指定する測定情報を収集し、報告する無線通信システムであって、
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を通知する通知手段と、
前記収集報告制御情報を受信する手段と、
無線端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する制御手段と
を有する無線通信システム。 - 前記実行判定情報が、無線端末の状態に関する情報、及び測定情報の収集状況に関する情報の少なくともいずれかの指標と該指標の指標値とのいずれかを少なくとも含む
請求項13に記載の無線通信システム。 - 前記実行判定情報の指標値を収集する実行判定情報収集手段を有する
請求項13又は請求項14に記載の無線通信システム。 - 前記通知手段は、前記所定の判定基準を通知する
請求項13から請求項15のいずれかに記載の無線通信システム。 - 前記通知手段は、前記所定の判定基準と前記収集報告制御情報とを含んだ設定情報を通知する
請求項13から請求項16のいずれかに記載の無線通信システム。 - 前記通知手段は、前記実行判定情報の少なくとも1つの指標と、前記指標に対する少なくとも1つの基準値とを含む所定の判定基準を通知し、
前記制御手段は、前記通知された所定の判定基準の指標に対応する前記実行判定情報の指標の指標値が前記基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項13から請求項17のいずれかに記載の無線通信システム。 - 前記実行判定情報の少なくとも一以上の指標と前記指標に対する基準値との組み合わせのテーブルを有し、
前記通知手段は、少なくとも一以上の前記組み合わせを識別する識別情報を含む所定の判定基準を通知し、
前記制御手段は、前記通知された識別情報と前記テーブルとを比較し、前記識別情報に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項13から請求項18のいずれかに記載の無線通信システム。 - 前記実行判定情報の少なくとも一以上の指標と、前記指標に対する基準値と、優先度との組み合わせのテーブルを有し、
前記通知手段は、少なくとも優先度を含む所定の判定基準を通知し、
前記制御手段は、前記通知された所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項13から請求項19のいずれかに記載の無線通信システム。 - 前記制御手段は、前記通知された所定の判定基準の優先度と前記テーブルとを比較し、少なくとも前記所定の判定基準の優先度以上の優先度に対応する前記実行判定情報の指標と前記指標に対する基準値とを特定し、前記実行判定情報の指標の指標値が前記特定された基準値を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項20に記載の無線通信システム。 - 前記実行判定情報の少なくとも一以上の指標と、前記指標に対する基準値との組み合わせのテーブルを有し、
前記通知手段は、少なくとも値を含む所定の判定基準を通知し、
前記制御手段は、前記実行判定情報の指標値が前記基準値を満足する指標の数が、少なくとも前記通知された所定の判定基準の値の数を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
請求項13から請求項21のいずれかに記載の無線通信システム。 - 前記実行判定情報の指標が、
無線端末のバッテリ残量、無線端末の位置情報、無線端末の測位用電波(GPS電波)の受信強度、無線端末の通信品質、及び無線端末の移動速度、の少なくともいずれか又はそれらの組み合わせ、又は、
無線端末が収集した測定情報の種類、無線端末が収集した測定情報の量、無線端末が測定情報を収集した位置、及び無線端末が収集した測定情報のサマリー、の少なくともいずれか、又はそれらの組み合わせである
請求項13から請求項22のいずれかに記載の無線通信システム。 - 前記無線ネットワークは、無線基地局、基地局制御局、DM(Device Manager)、又は、NM(Network Manager)の少なくともいずれかを含む
請求項13から請求項23のいずれかに記載の無線通信システム。 - 無線端末が、無線ネットワークが指定する測定情報を収集し、報告する無線通信システムにおける無線ネットワークであって、
前記無線端末が、前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報に基づいて、前記収集及び報告の少なくともいずれか一方の実行の判断を行う為の判定基準を通知する通知手段
を有する無線ネットワーク。 - 無線ネットワークが指定する測定情報を収集し、報告する機能を有する無線端末であって、
無線端末は、測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信し、
無線端末は、自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
無線通信方法。 - 無線端末が、無線ネットワークが指定する測定情報を収集し、報告する無線通信方法であって、
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を通知し、
前記収集報告制御情報を受信し、
無線端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する
無線通信方法。 - 無線ネットワークが指定する測定情報を収集し、報告する機能を有する無線端末のプログラムであって、
無線端末による測定情報の収集及び前記測定情報の無線ネットワークへの報告の少なくともいずれか一方の実行に関する収集報告制御情報を受信する処理と、
自端末による前記測定情報の収集及び報告の少なくとも一方に関連する実行判定情報が所定の判定基準を満たす場合、前記収集報告制御情報に基づいて、前記収集及び報告の少なくともいずれか一方を実行する処理と
を無線端末に実行させるプログラム。
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