WO2022021157A1 - Procédé de minimisation enregistrée d'essai mobile, dispositif terminal et dispositif de réseau - Google Patents

Procédé de minimisation enregistrée d'essai mobile, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2022021157A1
WO2022021157A1 PCT/CN2020/105588 CN2020105588W WO2022021157A1 WO 2022021157 A1 WO2022021157 A1 WO 2022021157A1 CN 2020105588 W CN2020105588 W CN 2020105588W WO 2022021157 A1 WO2022021157 A1 WO 2022021157A1
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WIPO (PCT)
Prior art keywords
cell
rat
mdt
configuration
terminal device
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PCT/CN2020/105588
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English (en)
Chinese (zh)
Inventor
林雪
Original Assignee
Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080101249.5A priority Critical patent/CN115699845A/zh
Priority to PCT/CN2020/105588 priority patent/WO2022021157A1/fr
Publication of WO2022021157A1 publication Critical patent/WO2022021157A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to a logged-in method for minimizing drive tests, a terminal device, and a network device.
  • a signal acquisition method that minimizes the drive test is introduced, which enables many user terminals to report their signal acquisition volume when the terminal is permitted.
  • MDT drive test
  • the network can obtain information about network performance in an area quickly and economically.
  • the target terminal that performs MDT can be in the connected (connected) state, idle (Idle) state or inactive (Inactive) state.
  • the network can configure immediate (immediate) MDT for the terminal device. In this case, the terminal will report the Measurements collected by the terminal when it is in the connected state. Alternatively, the network may also configure the logged MDT for the terminal device, and the terminal will report the measurement quantity recorded when returning to the idle state to the network when the connected state is restored.
  • a terminal in an idle state will camp on a cell based on a Radio Access Technology (RAT) (eg, 5G or 4G).
  • RAT Radio Access Technology
  • 5G or 4G Radio Access Technology
  • Embodiments of the present application provide a logged-in method, terminal device, and network device for minimizing drive tests, which can report measurement quantities based on MDT configuration to the network, so that the network can learn the current network performance, so that network deployment can be adjusted in time.
  • a first aspect provides a registered method for minimizing drive tests, including: a terminal device recording a first measurement quantity according to a first MDT configuration corresponding to a first radio access technology RAT, and/or according to a second RAT corresponding The second MDT configuration of the device records a second measurement; generates a first MDT report based on the recorded first measurement, and/or generates a second MDT report based on the recorded second measurement.
  • a second aspect provides a logged-in method for minimizing drive tests, comprising: a first network device sending a third MDT configuration and/or a first threshold to a terminal device, where the third MDT configuration is based on the first wireless connection
  • the first MDT configuration corresponding to the incoming technology RAT and the second MDT configuration corresponding to the second RAT are generated, and the first threshold is the lowest quality threshold of the cell that needs to record the measurement quantity.
  • a terminal device for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • the terminal device includes a unit for executing the method in the first aspect or any possible implementation manner of the first aspect.
  • a network device for executing the method in the second aspect or any possible implementation manner of the second aspect.
  • the network device includes a unit for executing the method in the second aspect or any possible implementation manner of the second aspect.
  • a terminal device in a fifth aspect, includes: a processor and a memory.
  • the memory is used for storing a computer program
  • the processor is used for calling and running the computer program stored in the memory to execute the method in the above-mentioned first aspect or each implementation manner thereof.
  • a network device in a sixth aspect, includes: a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or each of its implementations.
  • a chip is provided for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • the chip includes: a processor for invoking and running a computer program from a memory, so that a device on which the chip is installed executes any one of the above-mentioned first to second aspects or each of its implementations method.
  • a computer-readable storage medium for storing a computer program, the computer program causing a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each of its implementations.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
  • a computer program which, when run on a computer, causes the computer to perform the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
  • the terminal device can record the corresponding measurement amount according to the MDT configuration corresponding to different RATs, and generate the corresponding MDT report, and can further report the MDT report to the network device, which is beneficial to ensure that the network device in the area where the terminal device is located obtains this information
  • Information about the network performance of the area can be used to adjust and complete the network deployment, thereby improving the user experience.
  • FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a registered method for minimizing drive tests provided by an embodiment of the present application.
  • FIG. 3 is an example of a registered method for minimizing drive tests according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of another registered method for minimizing drive tests provided by an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication device provided by another embodiment of the present application.
  • FIG. 8 is a schematic block diagram of a chip provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • Wireless Fidelity Wireless Fidelity
  • WiFi fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STATION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • Pico cell Femto cell (Femto cell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the network devices around the terminal device 130 in FIG. 1 include a primary network device 110 and at least one auxiliary network device 120 .
  • the auxiliary network devices 120 are respectively connected with the main network devices 110 to form multiple connections, and are respectively connected with the terminal devices 130 to provide services for them.
  • the terminal device 130 may establish a connection through the primary network device 110 and the auxiliary network device 120 at the same time.
  • the connection established between the terminal device 130 and the primary network device 110 is the primary connection
  • the connection established between the terminal device 130 and the auxiliary network device 120 is the secondary connection.
  • the control signaling of the terminal device 130 may be transmitted through the main connection
  • the data of the terminal device may be transmitted through the main connection and the auxiliary connection at the same time, or only through the auxiliary connection.
  • the primary network device 110 may be an LTE network device, and the auxiliary network device 120 may be an NR network device.
  • the primary network device 110 may be an NR network device, and the auxiliary network device 120 may be an LTE network device.
  • the embodiments of the present invention do not limit the application scenarios of the technical solutions.
  • the primary network device may also be a GSM network device, a CDMA network device, and the like
  • the auxiliary network device may also be a GSM network device, a CDMA network device, and the like.
  • the primary network device may be, for example, a macrocell (Macrocell)
  • the auxiliary network device may be, for example, a microcell (Microcell), a picocell (Picocell), or a femtocell (Femtocell).
  • the primary network device may be referred to as a master node (master node, MN), and the secondary network device may be referred to as a secondary node (secondary node, SN).
  • master node MN
  • secondary node secondary node
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobility management entity, etc., which are not limited in this embodiment of the present application.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • MDT Minimization of Drive Test
  • the target terminal performing MDT may be in a connected (connected) state, an idle (Idle) state or an inactive (Inactive) state. But the MDT configuration signaling must be sent by the network to the terminal when the terminal is in the connected state.
  • the terminal When the network is configured with immediate MDT, the terminal will report the measurement quantity collected by the terminal in the connected state in the connected state.
  • the terminal when the network is configured with a logged (logged) MDT, the terminal will report the measurement quantity recorded when returning to the idle state to the network when the connected state is restored.
  • the MDT configuration can be sent to the terminal through the core network control plane network element or the network management (OAM), and after the terminal completes the measurement collection, it generates an MDT report and reports it to the base station, and then the base station sends it to an independent MDT Data analysis network elements, for example, trace collection entities (Trace Collection Entity, TCE).
  • OAM network control plane network element
  • TCE trace Collection Entity
  • radio access technologies may correspond to corresponding MDT configurations.
  • the following examples illustrate the specific content of the MDT configuration corresponding to 5G or NR and the MDT configuration corresponding to LTE or 4G.
  • the MDT configuration corresponding to 5G may include at least one of the following information elements (Information Element, IE):
  • Trace area reference e.g. traceReference-r16;
  • Trace recording session reference such as traceRecordingSessionRef-r16;
  • TCE identifier such as tce-Id-r16
  • absolute time e.g. absoluteTimeInfo-r16
  • Area configuration such as areaConfiguration-r16;
  • PLMN identity list for example, plmn-IdentityList-r16;
  • Bluetooth name list such as bt-NameList-r16
  • Recording duration such as loggingDuration-r16.
  • the area configuration in the MDT configuration corresponding to 5G may include at least one of the following:
  • Serving cell area configuration such as areaConfigForServing-r16;
  • Neighbor cell area configuration such as areaConfigForNeighbour-r16.
  • the serving cell area configuration is used to configure a target area that needs to perform measurement recording, for example, it may include at least one of the following:
  • Cell global list such as cellGlobalIdList-r16;
  • Tracking area code list such as trackingAreaCodeList-r16;
  • a list of tracking area identities e.g. trackingAreaIdentityList-r16.
  • the neighbor cell area configuration is used to configure a measurement object to be recorded (it may be a measurement object of NR or LTE, or may also be a measurement object of other RATs), for example, it may include at least one of the following:
  • Downlink carrier frequency such as dl-CarrierFreq
  • Band list such as frequencyBandList
  • a list of cells such as cellList.
  • the neighbor cell area configuration indicates the frequency at which the UE requests to perform measurement logging for the neighbor cells.
  • the UE shall perform measurement volume recording on the frequency in the SIB4 of the current serving cell, and the downlink carrier frequency and at least one frequency band indication of the serving cell are also included in the neighbor cell area configuration. If not configured, the UE may perform measurement logging for all neighbor cells.
  • the global cell identity may be part of bits in a cell global identity (Cell Global Identity, CGI).
  • Cell Global Identity CGI
  • the tracking area identifier may include a PLMN identifier and a tracking area code.
  • the MDT configuration corresponding to 4G may include at least one of the following IEs:
  • Trace area reference for example, traceReference-r10;
  • Trace recording session reference such as traceRecordingSessionRef-r10;
  • TCE identifier such as tce-Id-r10
  • absolute time e.g. absoluteTimeInfo-r10
  • Area configuration such as areaConfiguration-r10, or areaConfiguration-v1130;
  • logging interval e.g. loggingInterval-r10
  • PLMN identities for example, plmn-IdentityList-r11;
  • Bluetooth name list such as bt-NameList-r15;
  • the area configuration in the MDT configuration corresponding to 4G may include at least one of the following:
  • Cell global list such as cellGlobalIdList-r10;
  • a list of tracking area codes such as trackingAreaCodeList-r10, or trackingAreaCodeList-v1130.
  • both the MN and the SN can send the MDT configuration of the RAT to which they belong to the terminal. In this case, how to report the measurement quantity of the terminal to improve the network performance is an urgent problem to be solved.
  • FIG. 2 is a schematic flowchart of a registered method 200 for minimizing drive tests according to an embodiment of the present application.
  • the method 200 may be executed by a terminal device in the communication system shown in FIG. 1 , and as shown in FIG. 2 , the method 200 may include at least some of the following contents:
  • the terminal device records the first measurement quantity according to the first MDT configuration corresponding to the first radio access technology RAT, and/or records the second measurement quantity according to the second MDT configuration corresponding to the second RAT;
  • the terminal device is located in an area covered by a cell based on the first RAT, and is located in an area covered by a cell based on the second RAT.
  • the first RAT may be LTE or 4G
  • the second RAT may be NR or 5G
  • the second RAT may be LTE or 4G
  • the first RAT may be NR or 5G
  • the first RAT and the second RAT may also be two other different types of radio access technologies, and the present application is not limited thereto.
  • the MDT configuration corresponding to NR here may include some or all of the IEs in the MDT corresponding to 5G described above, or may be increased, decreased, or adjusted with the evolution of the standard, which is not specifically limited in this application.
  • the MDT configuration corresponding to LTE here may include some or all of the IEs in the MDT corresponding to 4G described above, or may be increased, decreased, or adjusted with the evolution of the standard, which is not specifically limited in this application.
  • the terminal device may record the measurement amount based on the MDT configuration corresponding to at least one of the two RATs, and may further generate a logged measurement report (logged measurement report) according to the recorded measurement amount. measurement report), so that after entering the connected state, the generated logged measurement report can be reported to the network.
  • logged measurement report logged measurement report
  • the measurement quantity may include, for example, information of a measurement object to be measured, such as downlink carrier frequency, frequency band information, cell, and the like.
  • the terminal device resides in the first cell, and the terminal device may determine, according to the RAT type of the first cell, which MDT configuration is used to record the measurement quantity. For example, if the first cell is a cell based on the first RAT, the terminal device may record the measurement amount according to the first MDT configuration corresponding to the first RAT. Alternatively, if the first cell is a cell of the second RAT, the terminal device may record the measurement amount according to the second MDT configuration corresponding to the second RAT.
  • the terminal device resides in a first cell, and the first cell is a cell based on the first RAT, and the terminal device may determine the MDT configuration record corresponding to the first RAT The first measurement quantity, and the second measurement quantity may also be recorded according to the second MDT configuration corresponding to the second RAT under certain conditions.
  • the terminal device may determine, according to the channel quality of the cell based on the second RAT, whether to record the second measurement quantity according to the second MDT configuration corresponding to the second RAT.
  • the terminal device is currently in the area where the first cell and the second cell overlap, and the terminal device is currently camping on the first cell, that is, the first cell is called a camping cell, and the The second cell is a non-resident cell, and the first cell and the second cell correspond to the first RAT and the second RAT, respectively.
  • the terminal device may determine, according to the channel quality of the second cell, whether to record the second measurement quantity according to the second MDT configuration corresponding to the second RAT. For example, if the channel quality based on the second cell is higher than the first threshold, it may be considered that there is a cell based on the second RAT near the first cell, and the terminal device determines the second MDT corresponding to the second RAT. Configure to record the second measurement. For another example, if the channel quality of the second cell is lower than or equal to the first threshold, it may be considered that there is no cell based on the second RAT near the first cell, and the terminal device determines that the cell based on the second RAT does not exist near the first cell. The second MDT configuration records the second measurement quantity.
  • the channel quality of the cell in this embodiment of the present application may be represented by any of the following measurement results:
  • RSSI Received Signal Strength Indication
  • RSRP Reference Signal Receiving Power
  • SINR Signal to Interference plus Noise Ratio
  • the first threshold is a threshold related to the measurement result.
  • the first threshold may be an RSRP threshold, or when the channel quality is represented by RSRQ, the first threshold may be an RSRQ threshold.
  • the first threshold may be a network device configuration.
  • the network device may be configured through radio resource control (Radio Resource Control, RRC), or may also be configured through other downlink messages or signaling. Not limited to this.
  • RRC Radio Resource Control
  • the first threshold may be determined by the terminal device itself.
  • the terminal device may use the channel quality of the first cell plus a certain offset as the first threshold, so The offset is, for example, -3dB, or can also be adjusted according to actual needs, and the present application is not limited to this.
  • the terminal device may determine, according to the indication of the network device, whether the second MDT configuration corresponding to the second RAT records the second measurement quantity.
  • the network device may instruct the terminal device whether to simultaneously record measurement quantities according to the MDT configurations corresponding to the two RATs when the terminal device is in an area covered by two RATs at the same time.
  • the indication of the network device may be 1-bit indication information, which is used to indicate that when it is in an area covered by two kinds of RATs at the same time, the measurement amount is recorded according to the MDT configurations corresponding to the two kinds of RATs at the same time, or The measurement amount is recorded only according to the MDT configuration of the RAT corresponding to the currently camped cell.
  • the indication of the network device may be 1-bit indication information, which is used to indicate that when it is in an area covered by two RATs at the same time, when a specific condition is met, the indication is performed according to the MDT configurations corresponding to the two RATs at the same time.
  • the measurement amount is recorded, or the measurement amount is recorded only according to the MDT configuration of the RAT corresponding to the currently camping cell.
  • the specific condition may be the channel quality condition described above.
  • the measurement quantity is recorded according to the MDT configurations corresponding to the two RATs, and the channel quality of the non-resident cell is lower than or equal to the
  • the measurement amount is recorded only according to the MDT configuration corresponding to the RAT of the camping cell.
  • the specific condition may be that the first cell belongs to the target area of the area configuration in the second MDT.
  • the area configuration may configure the target area for which measurement quantity recording needs to be performed, and the target area may be configured in the cell global identification list or the tracking area identification list.
  • the terminal device determines that according to the two RATs simultaneously The corresponding MDT configuration records the measurement amount; or when the global cell identifier of the first cell is not in the global cell identifier list, and the tracking area identifier to which the first cell belongs is not in the tracking area identifier list, the terminal The device determines to record the measurement quantity only according to the MDT configuration of the RAT corresponding to the currently camped cell.
  • cell 1 is an NR cell
  • cell 2 is an LTE cell
  • the terminal device may record the measurement amount according to the MDT configuration corresponding to LTE when the signal quality of cell 2 is greater than the first threshold.
  • the terminal device may record the measurement amount according to the MDT configuration corresponding to LTE.
  • the terminal device may record the measurement amount according to the MDT configuration corresponding to LTE when the signal quality of cell 2 is greater than the first threshold and cell 1 belongs to the target area in the MDT configuration corresponding to LTE.
  • the specific condition may be a judgment condition related to geographic location. For example, if the terminal device is in an area where network deployment is mature, the network device may configure the terminal device to only configure the MDT according to the RAT corresponding to the currently residing cell. Record the measurement quantity, or, if the terminal device is in an area where network deployment is immature, the network device may configure the terminal device to simultaneously record the measurement quantity according to the MDT configurations corresponding to the two RATs.
  • the terminal device may record the data according to the second MDT configuration. the second measurement.
  • the network device may configure the terminal device to use a larger first threshold, or in an area where network deployment is immature, the network device may configure the terminal device to use a smaller first threshold.
  • the threshold value can ensure that in an area where network deployment is immature, terminal devices can report as many measurements in this area as possible, which is conducive to the integrity and adjustment of network deployment.
  • the terminal device may also receive the converged MDT configuration (referred to as the third MDT configuration) of the first MDT configuration and the second MDT configuration configured by the network device.
  • the measurement quantity is recorded according to the MDT configurations corresponding to the first RAT and the second RAT at the same time.
  • the third MDT configuration is not received, the measurement quantity is recorded only according to the first MDT configuration.
  • the present application does not limit the specific content of the third MDT configuration, for example, it may include part or all of the IEs of the first MDT configuration, or include part or all of the IEs of the second MDT configuration.
  • the first MDT configuration and the second MDT configuration may be directly packaged into one MDT configuration to obtain the third MDT configuration, that is, in the third MDT configuration, the first MDT configuration
  • the configuration and the second MDT configuration are independent.
  • first MDT configuration and the second MDT configuration may also be combined.
  • the configuration in the same IE in the first MDT configuration and the second MDT configuration is merged, for example, the Bluetooth name list, wireless local area network name list, cell global list and The union of the information in the tracking area code list.
  • the third MDT configuration may further include indication information for indicating that the third MDT configuration is a converged MDT configuration.
  • the terminal device may determine whether the third MDT configuration is a converged MDT configuration according to the indication information or the content included in the third MDT configuration.
  • the terminal device in the case of receiving the merged third MDT configuration, may also, under the condition that a specific condition is satisfied, simultaneously according to the first RAT and the The MDT configurations corresponding to the second RATs perform the recording of the measurement quantities, and in the case that the above-mentioned specific conditions are not satisfied, the measurement quantities are only recorded according to the first MDT configuration.
  • the third MDT configuration may be generated by a network device corresponding to a cell in which the terminal device currently resides, or may also be corresponding to other cells in which the terminal device currently resides. generated by the network device, which is not limited in this application.
  • the third MDT configuration may be sent to the terminal device by the network device corresponding to the cell where the terminal device resides, or may also be sent to the terminal device by the network device corresponding to the cell where the terminal device resides.
  • the terminal equipment is not limited in this application.
  • the network device of the first RAT may send at least part of the IE in the first MDT configuration corresponding to the first RAT to the network device of the second RAT, and further, the network device of the second RAT may The MDT configuration generates the third MDT configuration in combination with at least part of the IE of its own second MDT configuration.
  • the network device of the second RAT may send to the network device when the terminal device camps on the cell of the network device, or the network device of the second RAT may also send the third MDT configuration to the The network device of the first RAT sends the third MDT configuration to the terminal device by the network device of the first RAT, which is not limited in this application.
  • the terminal device records the first measurement quantity according to the first MDT configuration, and after recording the second measurement quantity according to the second MDT configuration, may also generate a first MDT report according to the first measurement quantity, and according to the second MDT configuration
  • the second MDT report is generated by the second measurement quantity, and further, after entering the connected state, the MDT report can be reported.
  • the terminal device reports the MDT report according to the RAT type of the cell where the terminal device resides. For example, after entering the connected state, the camped cell belongs to the first RAT, and reporting the first MDT report to the network device; or when entering the connected state, the camped cell belongs to the second RAT, and reporting to the network The device reports the second MDT report.
  • the terminal device after entering the connected state, the terminal device reports all MDT reports to the connected network device regardless of the RAT type of the cell it resides on. That is, the first MDT report and the second MDT report are reported to the network device.
  • the network device receiving the MDT report may further send the MDT report to the MDT data analysis network element, such as the TCE.
  • the MDT data analysis network element such as the TCE.
  • the terminal device in an area where the network coverage of different RATs overlaps, can record the measurement amount according to the MDT configuration corresponding to the two RATs at the same time, and further report the MDT report, which is beneficial to ensure the RCE of the area. Information about network performance in this area can be obtained, and network deployment can be adjusted and completed accordingly to improve user experience.
  • the method for minimizing the logged drive test according to the embodiment of the present application is described in detail from the perspective of a terminal device, and another method according to the present application is described in detail below in conjunction with FIG. 4 from the perspective of a network device.
  • the logged method of minimizing drive tests of an embodiment It should be understood that the description on the side of the network device corresponds to the description on the side of the terminal device, and similar descriptions can be referred to above, which are not repeated here to avoid repetition.
  • FIG. 4 is a schematic flow chart of a method 300 for minimizing logged drive tests according to another embodiment of the present application.
  • the method 300 may be executed by a network device in the communication system shown in FIG. 1 , as shown in FIG. 4 .
  • the method 300 includes the following contents:
  • the first network device sends a third MDT configuration and/or a first threshold to the terminal device, where the third MDT configuration is based on the first MDT configuration corresponding to the first radio access technology RAT and the first MDT configuration corresponding to the second RAT
  • the second MDT configuration is generated, and the first threshold is the lowest quality threshold of the cell that needs to record the measurement quantity.
  • the first network device is a network device corresponding to a cell that the terminal device currently camps on, or the first network device is a network device corresponding to a cell where the terminal device has camped.
  • the first network device is a first RAT-based network device
  • the method 300 further includes:
  • the third MDT is generated according to the MDT corresponding to the first RAT and the MDT configuration corresponding to the second RAT.
  • the third MDT configuration includes indication information, where the indication information is used to indicate that the third MDT configuration includes MDT configurations corresponding to the first RAT and the second RAT respectively.
  • the first RAT is New Radio NR
  • the second RAT is Long Term Evolution LTE
  • the first RAT is LTE
  • the second RAT is NR
  • the MDT configuration corresponding to the NR includes at least one of the following:
  • Tracking Reference Tracking Recording Session Reference, Tracking Collection Entity TCE ID, Absolute Time Information, Area Configuration, Bluetooth Name List, Wireless LAN Name List, Sensor Name List, Recording Duration, Reporting Type.
  • the area configuration in the MDT configuration corresponding to the NR includes:
  • Neighbor cell area configuration used to configure the NR or LTE measurement objects that need to be recorded.
  • the serving cell area configuration includes at least one of the following: a cell global identifier list, a tracking area code list, and a tracking area identifier list.
  • the neighbor cell area configuration includes at least one of the following:
  • the MDT configuration corresponding to the LTE includes at least one of the following:
  • the area configuration in the MDT configuration corresponding to the LTE includes:
  • the first threshold is configured through radio resource control RRC signaling.
  • FIG. 5 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the processing unit 410 recording the first measurement quantity according to the first MDT configuration corresponding to the first radio access technology RAT, and/or recording the second measurement quantity according to the second MDT configuration corresponding to the second RAT;
  • a first MDT report is generated based on the recorded first measurements, and/or a second MDT report is generated based on the recorded second measurements.
  • the terminal device currently resides in a first cell
  • the first cell is a cell based on the first RAT
  • the processing unit 410 is further configured to:
  • the processing unit 410 is further configured to:
  • the signal quality of the second cell is lower than or equal to the first threshold, it is determined not to record the second measurement quantity, where the second cell is a cell based on the second RAT.
  • an overlapping area exists between the second cell and the first cell.
  • the first threshold is configured by the network device through radio access control RRC signaling, or determined by the terminal device.
  • the processing unit 410 is further configured to:
  • the global cell identifier of the first cell is in the cell global identifier list in the area configuration, or the tracking area identifier to which the first cell belongs is in the tracking area identifier list in the area configuration, it is determined to record the first cell. 2. Measured quantities; or
  • the global cell identifier of the first cell is not in the cell global identifier list in the area configuration, and the tracking area identifier to which the first cell belongs is not in the tracking area identifier list in the area configuration, it is determined not to record the second measure.
  • the terminal device further includes:
  • a communication unit configured to receive a third MDT configuration sent by a network device, where the third MDT configuration is generated according to the MDT configuration corresponding to the first RAT and the MDT configuration corresponding to the second RAT.
  • the third MDT configuration includes indication information, where the indication information is used to indicate that the third MDT configuration includes MDT configurations corresponding to the first RAT and the second RAT respectively .
  • the network device is a network device based on the first RAT, or a network device based on the second RAT.
  • the third MDT configuration is generated based on the network device of the first RAT, or generated based on the network device of the second RAT.
  • the processing unit 410 is further configured to:
  • the first RAT is New Radio NR
  • the second RAT is Long Term Evolution LTE
  • the first RAT is LTE
  • the second RAT is NR
  • the MDT configuration corresponding to the NR includes at least one of the following:
  • the area configuration in the MDT configuration corresponding to the NR includes:
  • Neighbor cell area configuration used to configure the NR or LTE measurement objects that need to be recorded.
  • the serving cell area configuration includes at least one of the following: a cell global identifier list, a tracking area code list, and a tracking area identifier list.
  • the neighbor cell area configuration includes at least one of the following:
  • the MDT configuration corresponding to the LTE includes at least one of the following:
  • the area configuration in the MDT configuration corresponding to the LTE includes:
  • the terminal device 400 further includes:
  • the first MDT report and the second MDT report are reported to the network device according to the RAT type of the cell where the terminal device resides.
  • the communication unit is specifically configured to:
  • the second MDT report is reported to the network device.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are for realizing the method shown in FIG. 2 respectively.
  • the corresponding process of the terminal device in 200 is not repeated here for brevity.
  • FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of FIG. 6 includes:
  • the communication unit 510 is configured to send a third MDT configuration and/or a first threshold to the terminal device, where the third MDT configuration is based on the first MDT configuration corresponding to the first radio access technology RAT and the first MDT configuration corresponding to the second RAT.
  • the second MDT configuration is generated, and the first threshold is the lowest quality threshold of the cell that needs to record the measurement quantity.
  • the network device is a network device corresponding to a cell that the terminal device currently camps on, or the network device is a network device corresponding to a cell where the terminal device has camped.
  • the network device is a network device based on the first RAT
  • the communication unit 510 is further configured to:
  • the third MDT is generated according to the MDT corresponding to the first RAT and the MDT configuration corresponding to the second RAT.
  • the third MDT configuration includes indication information, where the indication information is used to indicate that the third MDT configuration includes MDT configurations corresponding to the first RAT and the second RAT respectively .
  • the first RAT is New Radio NR
  • the second RAT is Long Term Evolution LTE
  • the first RAT is LTE
  • the second RAT is NR
  • the MDT configuration corresponding to the NR includes at least one of the following:
  • the area configuration in the MDT configuration corresponding to the NR includes:
  • Neighbor cell area configuration used to configure the NR or LTE measurement objects that need to be recorded.
  • the serving cell area configuration includes at least one of the following: a cell global identifier list, a tracking area code list, and a tracking area identifier list.
  • the neighbor cell area configuration includes at least one of the following:
  • the MDT configuration corresponding to the LTE includes at least one of the following:
  • the area configuration in the MDT configuration corresponding to the LTE includes:
  • the first threshold is configured through radio resource control RRC signaling.
  • the above-mentioned communication unit may be a communication interface or a transceiver, or an input/output interface of a communication chip or a system-on-chip.
  • the aforementioned processing unit may be one or more processors.
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are for realizing the method shown in FIG. 3 respectively.
  • the corresponding process of the network device in 300 is not repeated here for brevity.
  • FIG. 7 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 7 includes a processor 610, and the processor 610 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other devices Information or data sent by a device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 600 may specifically be the network device in this embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 600 may specifically be the mobile terminal/terminal device of the embodiments of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, for the sake of brevity. , and will not be repeated here.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 8 includes a processor 710, and the processor 710 can call and run a computer program from a memory, so as to implement the method in this embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 may call and run a computer program from the memory 720 to implement the methods in the embodiments of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated in the processor 710 .
  • the chip 700 may further include an input interface 730 .
  • the processor 710 may control the input interface 730 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiment of the present application, which is not repeated here for brevity.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.
  • FIG. 9 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 9 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here. .
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • Embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program runs on the computer, the computer executes the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de minimisation enregistrée d'essai mobile, un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal enregistre une première quantité de mesure selon une première configuration MDT correspondant à une première technologie d'accès radio (RAT), et/ou une seconde quantité de mesure selon une seconde configuration MDT correspondant à une seconde RAT ; génère un premier rapport MDT sur la base de la première quantité de mesure enregistrée, et/ou un second rapport MDT sur la base de la seconde quantité de mesure enregistrée.
PCT/CN2020/105588 2020-07-29 2020-07-29 Procédé de minimisation enregistrée d'essai mobile, dispositif terminal et dispositif de réseau WO2022021157A1 (fr)

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CN202080101249.5A CN115699845A (zh) 2020-07-29 2020-07-29 已登录的最小化路测的方法、终端设备和网络设备
PCT/CN2020/105588 WO2022021157A1 (fr) 2020-07-29 2020-07-29 Procédé de minimisation enregistrée d'essai mobile, dispositif terminal et dispositif de réseau

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