WO2020095455A1 - ユーザ装置及び基地局装置 - Google Patents
ユーザ装置及び基地局装置 Download PDFInfo
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- WO2020095455A1 WO2020095455A1 PCT/JP2018/041752 JP2018041752W WO2020095455A1 WO 2020095455 A1 WO2020095455 A1 WO 2020095455A1 JP 2018041752 W JP2018041752 W JP 2018041752W WO 2020095455 A1 WO2020095455 A1 WO 2020095455A1
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- measurement
- base station
- mobility
- mobility performance
- user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to a user device and a base station device in a wireless communication system.
- NR New Radio
- LTE Long Term Evolution
- a delay allowed from the occurrence of an event to be measured to the transmission of a measurement report is specified (for example, non-patent reference). Reference 2).
- the user equipment needs to perform measurement so as to satisfy the requirements specified in the specifications. Since the requirements for measurement are defined based on the RF performance of the user equipment, it is difficult to perform the measurement optimized according to the type of the user equipment, the mobility performance, a combination of these, and the like.
- the present invention has been made in view of the above points, and an object thereof is to allow a user apparatus to efficiently perform measurement in a wireless communication system.
- a receiving unit that receives a measurement setting including a condition for triggering a measurement report from a base station device, a control unit that executes the measurement based on the measurement setting, and a measurement unit And a control unit that transmits a measurement report to the base station device when a condition for triggering the report is satisfied, and the control unit is at least one of a parameter indicating mobility performance and a type of the user device.
- a user apparatus can efficiently perform measurement in a wireless communication system.
- FIG. 1 is a diagram for explaining a wireless communication system according to an embodiment of the present invention. It is a sequence diagram for explaining an example of a report of UE capability. It is a figure which shows the example of UE capability.
- FIG. 7 is a sequence diagram for explaining an example of measurement in the embodiment of the present invention. 6 is a flowchart for explaining an example of measurement in the embodiment of the present invention. It is a figure for explaining an example of a measurement cycle in an embodiment of the invention. It is a figure showing an example of functional composition of base station device 10 in an embodiment of the invention. It is a figure which shows an example of a functional structure of the user apparatus 20 in embodiment of this invention. It is a figure which shows an example of the hardware constitutions of the base station apparatus 10 or the user apparatus 20 in embodiment of this invention.
- the existing technology is appropriately used for the operation of the wireless communication system according to the embodiment of the present invention.
- the existing technology is, for example, existing LTE, but is not limited to existing LTE.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced or later systems (eg, NR) unless otherwise specified.
- SS Synchronization signal
- PSS Primary SS
- SSS Secondary SS
- PBCH Physical broadcast channel
- PRACH Physical Random access channel
- the duplex system may be a TDD (Time Division Duplex) system, an FDD (Frequency Division Duplex) system, or other (for example, Flexible Duplex). Method may be used.
- TDD Time Division Duplex
- FDD Frequency Division Duplex
- Method may be used.
- the method of transmitting a signal using a transmission beam may be digital beam forming for transmitting a signal multiplied by a precoding vector (precoded with the precoding vector), It may be analog beamforming which realizes beamforming using a variable phase shifter in an RF (Radio Frequency) circuit.
- the method of receiving a signal using a reception beam may be digital beam forming in which a received signal is multiplied by a predetermined weight vector, or beam forming is realized using a variable phase shifter in an RF circuit.
- Analog beamforming may be used.
- Hybrid beamforming which combines digital beamforming and analog beamforming, may be applied for transmission and / or reception.
- transmitting the signal using the transmission beam may be transmitting the signal at a specific antenna port.
- receiving a signal using the receive beam may be receiving a signal at a particular antenna port.
- the antenna port refers to a logical antenna port or a physical antenna port defined by the 3GPP standard.
- the precoding or beamforming may be called a precoder, a spatial domain filter, or the like.
- the method of forming the transmission beam and the reception beam is not limited to the above method.
- a method of changing the angle of each antenna may be used, or a method of combining the method of using the precoding vector and the method of changing the angle of the antenna may be used.
- different antenna panels may be switched for use, a method of combining a plurality of antenna panels may be used in combination, or another method may be used.
- a plurality of different transmission beams may be used in the high frequency band.
- the use of multiple transmit beams is called multi-beam operation, and the use of one transmit beam is called single-beam operation.
- “configuring” the wireless parameter and the like may mean that a predetermined value is set in advance (Pre-configure), or the base station device 10 Alternatively, the wireless parameter notified from the user device 20 may be set.
- FIG. 1 is a diagram for explaining a wireless communication system according to an embodiment of the present invention.
- the wireless communication system in the embodiment of the present invention includes a base station device 10 and a user device 20, as shown in FIG. Although one base station apparatus 10 and one user apparatus 20 are shown in FIG. 1, this is an example, and a plurality of each may be provided.
- the base station device 10 is a communication device that provides one or more cells and performs wireless communication with the user device 20.
- the physical resource of the radio signal is defined in the time domain and the frequency domain, the time domain may be defined by the number of OFDM symbols, and the frequency domain may be defined by the number of subcarriers or the number of resource blocks.
- the base station device 10 transmits the synchronization signal and the system information to the user device 20.
- the synchronization signal is, for example, NR-PSS and NR-SSS.
- the system information is transmitted on the NR-PBCH, for example, and is also called broadcast information. As illustrated in FIG.
- the base station device 10 transmits a control signal or data to the user device 20 by DL (Downlink), and receives a control signal or data from the user device 20 by UL (Uplink). Both the base station device 10 and the user device 20 can perform beamforming to transmit and receive signals.
- the user device 20 is a communication device having a wireless communication function such as a smartphone, a mobile phone, a tablet, a wearable terminal, and a communication module for M2M (Machine-to-Machine). As shown in FIG. 1, the user apparatus 20 receives a control signal or data from the base station apparatus 10 in DL and transmits the control signal or data to the base station apparatus 10 in UL, thereby providing the wireless communication system. Use various communication services.
- the user device 20 performs measurement to grasp the communication status.
- the user device 20 is designated by the base station device 10 as an event as a measurement configuration.
- the user apparatus 20 transmits a measurement report to the base station apparatus 10 when the condition related to the measurement result set by the event is satisfied. That is, the event may be regarded as a criterion / decision factor for transmitting the measurement report.
- the satisfaction of the condition may be referred to as a trigger.
- NR also defines the measurement delay and measurement period of cell detection or RSRP (Reference Signal Received Power) as RRM (Radio resource management) measurement, similar to LTE.
- RRM Radio resource management
- the measurement is specified based on the SSB cycle or the SMTC (SS / PBCH block measurement timing configuration) cycle.
- FR1 Frequency Range1
- FR2 Frequency Range 2
- Table 1 is a table showing an example of a measurement cycle for detecting PSS / SSS in FR2 in the case of intra frequency measurement without providing a measurement gap (MG).
- the measurement period “ TPSS / SSS_sync_intra ” differs depending on the DRX (Discontinuous Reception) cycle.
- K p is a coefficient that takes into account the overlap between MG and SMTC.
- K RLM is a coefficient in consideration of duplication between RLM-RS (Radio Link Monitoring RS) and SMTC.
- MPSS / SSS_sync_W / O_gaps shown in Table 1 indicates the number of times of transmission of the reference signal used for the measurement, and the value is set according to the power class (PC: Power Class) of the user apparatus 20.
- PC Power Class
- MPSS / SSS_sync_W / O_gaps may be set to 40.
- 24 may be set in the " MPSS / SSS_sync_W / O_ gaps ". That is, the measurement period is specified to be changed according to the power class. The measurement period may be referred to as a measurement cycle.
- PC1, PC2, PC3, and PC4 are specified as a power class that is one of the UE capabilities of the user equipment 20.
- Tables 2 and 3 are tables showing examples of the NR power class, and show the RF performance of the user apparatus 20.
- Table 2 is an example in which the minimum peak EIRP (Equivalent Isotropic Radiated Power) (Min peak EIRP) in power class 3 is specified.
- the minimum peak EIRP indicates the lower limit value of the power radiation in the peak direction. As shown in Table 2, the minimum peak EIRP is defined for each operating band.
- Table 3 is an example in which values related to UE type, TRP (Total Radiated Power), and EIRP are specified for each of power classes 1 to 4.
- the unit of value is dBm.
- the UE type example is “FWA (Fixed Wireless Access)”
- the maximum TRP is “35”
- the maximum peak EIRP is “55”
- the minimum peak EIRP is “40”
- the space is The coverage is “32” in the 85th percentile of CDF (Cumulative Distribution Function).
- the UE type example in power class 2, is “Vehicle mounted”, the maximum TRP is “23”, the maximum peak EIRP is “43”, the minimum peak EIRP is “29”, and the spatial coverage is It is "18" in the CDF60 percentile.
- the UE type example in power class 3, is “Handheld UE”, the maximum TRP is “23”, the maximum peak EIRP is “43”, the minimum peak EIRP is “22.4”, and the space is The coverage is "11.5" in the CDF50 percentile.
- an example of the UE type is “FWA / High power mobile type UE”, the maximum TRP is “23”, the maximum peak EIRP is “43”, and the minimum peak EIRP is “34”. ", The spatial coverage is” 25 "at the CDF 20th percentile.
- FIG. 2 is a sequence diagram for explaining an example of UE capability reporting.
- the base station device 10 transmits a UE capability inquiry (UE Capability Inquiry) to the user device 20.
- the UE capability inquiry may include information indicating which UE capability report is requested.
- the user apparatus 20 transmits a UE capability report (UE Capability Information) to the base station apparatus 10.
- UE Capability Information UE Capability Information
- FIG. 3 is a diagram showing an example of UE capabilities.
- “RF-Parameters” shown in FIG. 3 is an information element used to notify the UE capability related to RF in the NR operation from the user apparatus 20 to the base station apparatus 10.
- “RF-Parameters” includes capabilities supported for each band.
- the above power class “ue-PowerClass” is defined as pc1, pc2, pc3, pc4.
- the power class is a category for identifying the RF performance of the user device 20 as described above.
- the RF performance defines an assumed antenna gain, transmission power, a spatial range in which constant radiation power should be satisfied, and the like. Therefore, the power class does not include an index indicating the performance related to mobility.
- power class 4 applies to both handheld UEs and FWA devices, but the required mobility performance is different for handheld UEs and FWA devices. Therefore, the current specifications define a rule that can be satisfied from the viewpoint of the antenna performance of the user apparatus 20 (for example, the expected number of antennas), and the mobility performance to be considered is not sufficiently secured.
- the mobility performance refers to a moving speed required for the user device 20 (not moving (that is, fixed), moving at a low speed, moving at a high speed, and the moving speed is uncertain (in some cases, the moving speed is high). However, it is not limited to this.
- the SMTC window setting for determining the measurement cycle can be set only for each carrier, even if the user apparatus 20 notifies the network of the RF performance, the UE type, etc., the network In addition to the RF performance of the user apparatus 20, and / or independently of the RF performance, it is difficult to optimize the settings according to the mobility performance or the UE type, and a combination thereof.
- the wireless communication system employs the following operations 1) and 2).
- the “UE mobility performance” means, for example, a mobility performance required depending on a UE-side operation method such as a mobile terminal such as a smartphone or a stationary terminal such as a router,
- the "mobility performance required in the network environment” means, for example, the mobility performance required according to the network environment such as a high-speed moving environment such as a train or a limited area such as a stadium.
- mobility performance may be replaced with “mobility requirement level”) or a combination thereof or mobility performance required in a network environment.
- the target of different regulations is, for example, the following. 1-1) Regulations related to measurement 1-2) Other regulations related to terminal performance
- the operation or control of the network is changed according to the UE type or the mobility performance of the UE or a combination thereof, or the mobility performance required in the network environment.
- the above 1-1), 1-2) and 2) may be applied individually or in combination of two or more.
- FIG. 4 is a sequence diagram for explaining an example of measurement in the embodiment of the present invention. The above 1-1) will be described below. As shown in FIG. 4, in the embodiment of the present invention, the measurement report is notified from the user apparatus 20 to the base station apparatus 10.
- step S21 the base station device 10 transmits information related to measurement settings to the user device 20.
- the information related to the measurement setting includes an event.
- step S22 the user device 20 performs the measurement based on the received information regarding the setting of the measurement.
- step S23 the user apparatus 20 transmits a measurement report to the base station apparatus 10 when the condition related to the measurement result set by the event is satisfied.
- the measurement result may be signal strength (eg, RSRP) or signal quality (eg, RSRQ (Reference Signal Received Quality), SINR (Signal to Interference plus Noise Power Ratio)). Further, the measurement result may be defined by any layer. For example, it may be layer 1 or layer 3. Further, the sample corresponding to the measurement result may be a single sample or may be a sample obtained by filtering a plurality of samples.
- RSRP Signal strength
- RSRQ Reference Signal Received Quality
- SINR Signal to Interference plus Noise Power Ratio
- FIG. 5 is a flow chart for explaining an example of measurement in the embodiment of the present invention.
- the user equipment 20 applies different measurement delay rules according to not only the power class but also the UE type or mobility performance of the user equipment 20.
- the user apparatus 20 may apply a different measurement delay rule according to only the UE type or the mobility performance of the user apparatus 20 or a combination thereof without referring to the power class.
- the user apparatus 20 performs measurement based on the applied measurement delay (S222).
- the “parameter indicating the mobility performance of the UE” may be distinguished by a unique condition described in the specifications, or may be distinguished based on signaling notified from the network or the user equipment 20.
- the specific condition described in the specification that distinguishes the mobility performance may be the following a) b) c). a) Reference signal used for measurement, that is, setting value related to SSB or CSI-RS b) Measurement window, that is, setting value related to SMTC window c) Measurement type or purpose, for example, measurement for serving cell or measurement for neighboring cells Is it
- the following a) -d) may be applied to the signaling notified from the network or the user equipment 20 that distinguishes the mobility performance.
- a) UE capability for distinguishing or notifying mobility performance or UE type or a combination thereof, or signaling from the network b) UE beam performance such as number of antennas, number of beams, analog beamforming / digital beamforming, etc.
- UE capability for distinguishing or notifying, or signaling from the network c) Signaling for notifying the UE of mobility performance required by the network (eg, high-speed moving environment, etc.)
- Specific application eg, URLLC (Ultra-Reliable) and Low Latency Communications
- the above a) -d) are not limited to the reception quality measurement of the own cell and neighboring cells, but also RLM, beam management (link recovery procedure, beam failure detection, beam candidate detection, L1-RSRP measurement / report), etc. It may be applied to the function related to the connectivity with the existing cell.
- the provision to be applied may be changed on the assumption that the beam used by the user apparatus 20 or the time required for the measurement is different between the measurement for the serving cell and the measurement for the peripheral cell.
- the measurement for the serving cell a smaller number of measurements than the measurement for the peripheral cell is applied as a factor considering the received beam, and the measurement may be completed in a shorter time than in the case of measurement for the peripheral cell. Good.
- the mobility capability of the user device 20 or the UE capability indicating the UE type may be specified, and the rules to be applied may be distinguished.
- the mobility performance may include, for example, low mobility, middle mobility, high mobility and the like.
- the UE type may include, for example, FWA, Vehicle mounted, smartphone, wearable, and laptop.
- a power class 4 FWA and a power class 4 smartphone can be distinguished.
- the UE capability may be defined by combining the mobility capability and the UE type.
- a power class including UE performance other than RF performance is defined.
- the power class including the UE performance other than the RF performance may be a new regulation different from the existing power class, or may be defined in a format in which the existing regulation is extended or modified.
- an existing power class, that is, PC1, PC2, PC3, PC4 may be diverted, or a new power class may be defined.
- UE performance other than RF performance may include mobility performance.
- different power classes may be defined for user devices 20 that satisfy the same RF performance and different mobility performance.
- a category for mobility performance may be defined, and different power classes may be defined according to the category.
- the classification according to the mobility performance may be, for example, a classification for determining two or more mobility performances such as high mobility, middle mobility, and low mobility. At least one of the minimum peak EIRP, the maximum peak EIRP, the EIRP indicating the spatial coverage, and the maximum TRP may be applied as the RF performance.
- the existing power class specifications may be extended to include mobility performance.
- the information indicating the mobility performance of the user device 20 may be added to the existing PC1, PC2, PC3, and PC4.
- it may be PC1 and low mobility, PC1 and middle mobility, PC1 and high mobility.
- information indicating low mobility, middle mobility, and high mobility may be added to PC2, PC3, and PC4.
- Different measurement specifications may be applied to each of the power classes extended as described above.
- the network operation related to the mobility performance or the setting value from the network is changed.
- the mobility performance or UE type of the user apparatus 20 may be the above-described mobility performance or UE type, or may be newly defined in order to change the network operation related to the mobility performance or the setting value from the network.
- the operation shown in a) b) c) below may be applied.
- the following may be implemented by combining the mobility performance and the UE type.
- the measurement cycle that the user apparatus 20 should assume may be changed according to the mobility performance.
- the network may set the notification of the SMTC window setting (cycle, offset, part or all of the period) for each user device 20.
- the network may set a parameter for changing the measurement operation for each user device 20.
- the parameter may be, for example, a rate at which the measurement is actually performed, a rate at which the measurement is omitted, a cycle or period at which the measurement is actually performed, or a part or all of the cycle or period at which the measurement is omitted.
- a CSI-RS or a window that specifies the measurement timing using CSI-RS may be used. That is, the network may set the notification of the window setting related to CSI-RS for each user apparatus 20, and in addition to the window setting related to CSI-RS, the network may set a parameter for changing the measurement operation for each user apparatus 20. You may set it.
- the operation or the setting value related to the measurement result report of the user device 20 may be set in the user device 20 from the network. For example, a change in the number of cells, the number of beams or the number of carriers to be measured or reported may be set.
- RLM Radio Link recovery procedure
- beam failure detection beam candidate detection
- L1-RSRP measurement / report Settings of functions related to the connectivity with the connected cell
- RLM the number of resources used for beam management, the number of beams, or the period
- the RLM the measurement period for performing the beam management, and the judgment criteria of synchronous / asynchronous / fault occurrence may be changed.
- FIG. 6 is a diagram for explaining an example of the measurement cycle in the embodiment of the present invention.
- the network may allow the user equipment 20 to omit the measurement depending on the mobility capability or the UE type or a combination thereof.
- the network sets a short cycle SMTC for UE1 where mobility is important like high mobility, and relaxed SMTC for UE2 where mobility is not important like low mobility. The period of may be set.
- FIG. 6 is an example in which the network sets in the UE2 an SMTC cycle corresponding to twice the SMTC cycle applied to the UE1. That is, the UE2 may perform the measurement at a rate corresponding to once in two measurements of the UE1.
- the network is not set in the user equipment 20, and the user equipment 20 autonomously assumes the SMTC cycle based on the mobility performance of the own equipment, or the SMTC actually used for the measurement.
- the period may be changed or the measurement may be omitted.
- the user equipment 20 performs the measurement optimized based on the UE capability other than the RF capability by applying the measurement setting according to the mobility capability or the UE type or the combination thereof. You can
- the user equipment can efficiently perform the measurement.
- the base station device 10 and the user device 20 include a function for implementing the above-described embodiment. However, each of the base station device 10 and the user device 20 may have only some of the functions in the embodiment.
- FIG. 7 is a diagram illustrating an example of a functional configuration of the base station device 10.
- the base station device 10 includes a transmission unit 110, a reception unit 120, a setting unit 130, and a control unit 140.
- the functional configuration shown in FIG. 7 is merely an example. As long as the operation according to the embodiment of the present invention can be executed, the function categories and the names of the function units may be any names.
- the transmitting unit 110 includes a function of generating a signal to be transmitted to the user device 20 side and wirelessly transmitting the signal.
- the receiving unit 120 includes a function of receiving various signals transmitted from the user device 20 and acquiring, for example, information of a higher layer from the received signals.
- the transmission unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, NR-CSI-RS, DL / UL control signals, and the like to the user apparatus 20.
- the setting unit 130 stores preset setting information and various setting information to be transmitted to the user device 20, in the storage device, and reads from the storage device as necessary.
- the content of the setting information is, for example, information related to the measurement of the user device 20.
- the control unit 140 performs the process of generating the measurement setting of the user device 20, as described in the embodiment.
- the control unit 140 also controls communication based on the measurement report acquired from the user device 20.
- the functional unit related to signal transmission in the control unit 140 may be included in the transmission unit 110, and the functional unit related to signal reception in the control unit 140 may be included in the reception unit 120.
- FIG. 8 is a diagram illustrating an example of a functional configuration of the user device 20.
- the user device 20 includes a transmission unit 210, a reception unit 220, a setting unit 230, and a control unit 240.
- the functional configuration shown in FIG. 8 is merely an example. As long as the operation according to the embodiment of the present invention can be executed, the function categories and the names of the function units may be any names.
- the transmitter 210 creates a transmission signal from the transmission data and wirelessly transmits the transmission signal.
- the reception unit 220 wirelessly receives various signals and acquires higher-layer signal from the received physical-layer signal. Further, the receiving unit 220 has a function of receiving NR-PSS, NR-SSS, NR-PBCH, NR-CSI-RS, DL / UL / SL control signals and the like transmitted from the base station apparatus 10.
- the transmission unit 210 performs P2D communication with other user apparatuses 20 by using PSCCH (Physical Sidelink Control Channel), PSSCH (Physical Sidelink Shared Channel), PSDCH (Physical Sidelink Discovery Channel), and PSBCH (Physical Sidelink Broadcast Channel). ) Etc., and the receiving part 120 receives PSCCH, PSSCH, PSDCH, PSBCH, etc. from the other user apparatus 20.
- PSCCH Physical Sidelink Control Channel
- PSSCH Physical Sidelink Shared Channel
- PSDCH Physical Sidelink Discovery Channel
- PSBCH Physical Side
- the setting unit 230 stores various setting information received from the base station device 10 or the user device 20 by the receiving unit 220 in a storage device, and reads from the storage device as necessary.
- the setting unit 230 also stores preset setting information.
- the content of the setting information is, for example, information related to the measurement of the user device 20.
- the control unit 240 executes the measurement based on the measurement setting acquired from the base station device 10, as described in the embodiment. In addition, the control unit 240 reports the measurement result to the base station device 10.
- the functional unit related to signal transmission in the control unit 240 may be included in the transmission unit 210, and the functional unit related to signal reception in the control unit 240 may be included in the reception unit 220.
- each functional block may be realized by using one device physically or logically coupled, or directly or indirectly (for example, two or more devices physically or logically separated). , Wired, wireless, etc.) and may be implemented using these multiple devices.
- the functional blocks may be realized by combining the one device or the plurality of devices with software.
- Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, observation, Broadcasting, notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but not limited to these.
- a functional block (component) that functions for transmission is called a transmitting unit or a transmitter.
- the implementation method is not particularly limited.
- the base station device 10, the user device 20, and the like according to the embodiment of the present disclosure may function as a computer that performs the process of the wireless communication method of the present disclosure.
- FIG. 9 is a diagram illustrating an example of a hardware configuration of the base station device 10 and the user device 20 according to the embodiment of the present disclosure.
- the base station device 10 and the user device 20 described above are physically configured as a computer device including a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like. May be done.
- the word “device” can be read as a circuit, device, unit, or the like.
- the hardware configurations of the base station device 10 and the user device 20 may be configured to include one or a plurality of each device illustrated in the figure, or may be configured not to include some devices.
- Each function in the base station device 10 and the user device 20 causes a predetermined software (program) to be loaded onto hardware such as the processor 1001, the storage device 1002, etc., so that the processor 1001 performs calculation and communication by the communication device 1004. It is realized by controlling or at least one of reading and writing of data in the storage device 1002 and the auxiliary storage device 1003.
- the processor 1001 operates an operating system to control the entire computer, for example.
- the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, a register, and the like.
- CPU central processing unit
- the control unit 140, the control unit 240, and the like described above may be realized by the processor 1001.
- the processor 1001 also reads a program (program code), software module, data, or the like from at least one of the auxiliary storage device 1003 and the communication device 1004 to the storage device 1002, and executes various processes according to these.
- a program that causes a computer to execute at least a part of the operations described in the above-described embodiments is used.
- the control unit 140 of the base station device 10 illustrated in FIG. 7 may be realized by a control program stored in the storage device 1002 and operated by the processor 1001.
- the control unit 240 of the user device 20 shown in FIG. 8 may be realized by a control program stored in the storage device 1002 and operated by the processor 1001.
- the processor 1001 may be implemented by one or more chips.
- the program may be transmitted from the network via an electric communication line.
- the storage device 1002 is a computer-readable recording medium, and is, for example, at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (ElectricallyErasable Programmable ROM), RAM (Random Access Memory), and the like. It may be configured.
- the storage device 1002 may be called a register, a cache, a main memory (main storage device), or the like.
- the storage device 1002 can store an executable program (program code), a software module, or the like for implementing the communication method according to the embodiment of the present disclosure.
- the auxiliary storage device 1003 is a computer-readable recording medium, and is, for example, an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, a Blu disk). -Ray disk), smart card, flash memory (eg card, stick, key drive), floppy disk, magnetic strip, etc.
- the auxiliary storage device 1003 may be called an auxiliary storage device.
- the above-described storage medium may be, for example, a database including at least one of the storage device 1002 and the auxiliary storage device 1003, a server, or another appropriate medium.
- the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via at least one of a wired network and a wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, or the like.
- the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, and the like in order to realize at least one of frequency division duplex (FDD: Frequency Division Duplex) and time division duplex (TDD: Time Division Duplex). May be composed of
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- the transmitter / receiver may be implemented by physically or logically separating the transmitter and the receiver.
- the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that receives an input from the outside.
- the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that outputs to the outside.
- the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
- each device such as the processor 1001 and the storage device 1002 is connected by a bus 1007 for communicating information.
- the bus 1007 may be configured by using a single bus, or may be configured by using a different bus for each device.
- the base station device 10 and the user device 20 include a microprocessor, a digital signal processor (DSP: Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), an FPGA (Field Programmable Gate Array), and the like. It may be configured to include hardware, and the hardware may implement part or all of each functional block. For example, the processor 1001 may be implemented using at least one of these hardware.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- PLD Programmable Logic Device
- FPGA Field Programmable Gate Array
- the measurement is performed.
- a transmission unit that transmits a measurement report to the base station device when a condition for triggering the measurement report is satisfied, and the control unit indicates mobility performance.
- a user equipment for changing the setting of the measurement based on a parameter and / or a type of the user equipment.
- the user device 20 can execute the measurement optimized based on the UE capability other than the RF capability by applying the measurement setting according to the mobility capability. That is, in the wireless communication system, the user equipment can efficiently perform the measurement.
- the control unit may change the setting value in the SMTC (SS / PBCH block measurement measurement timing) window based on the parameter indicating the mobility performance.
- the user device 20 can change the measurement setting according to the mobility performance.
- the control unit determines the first
- the setting value of the SMTC window set on the basis of the parameter indicating the mobility performance may be set differently from the setting value of the SMTC window set on the basis of the parameter indicating the second mobility performance.
- the setting value of the SMTC window may be set to 0. That is, the measurement may be omitted. Further, instead of explicitly setting the setting value to 0, the setting value of the SMTC window may not be set to cause the measurement to be omitted.
- Not setting the setting value means that the setting value of the SMTC window set based on the parameter indicating the first mobility performance and the setting value of the SMTC window set based on the parameter indicating the second mobility performance. It may be understood from the provision that the and are set differently.
- control unit applies the parameter indicating the first mobility performance and the parameter indicating the second mobility performance indicating the mobility performance lower than the parameter indicating the first mobility performance to the measurement.
- the number of measurements performed based on the parameter indicating the second mobility performance may be made smaller than the number of measurements performed based on the parameter indicating the first mobility performance. That is, the user apparatus 20 may reduce the number of measurements and omit the measurement as the mobility performance is lower.
- the transmitting unit may transmit the parameter indicating the mobility performance to the base station device as a report of the terminal capability.
- the user device 20 can notify the mobility performance to the base station device 10.
- the terminal capability report may include a case where parameters indicating different mobility capabilities are associated with the same power class.
- the user apparatus 20 can notify the base station apparatus 10 that the mobility performances are different even in the same power class.
- a receiving unit that receives at least one of a parameter indicating mobility performance and a type of user equipment from a user equipment as a report of terminal capability, and a parameter indicating the mobility performance or user equipment. Based on at least one of the types of, a base station device having a control unit that generates a measurement setting, and a transmission unit that transmits the measurement setting including a condition for triggering a measurement report to the user device.
- the user device 20 can execute the measurement optimized based on the UE capability other than the RF capability by applying the measurement setting according to the mobility capability. That is, in the wireless communication system, the user equipment can efficiently perform the measurement.
- the operation of the plurality of functional units may be physically performed by one component, or the operation of one functional unit may be physically performed by the plurality of components.
- the order of processing may be changed as long as there is no contradiction.
- the base station apparatus 10 and the user apparatus 20 are described using functional block diagrams for convenience of processing description, such an apparatus may be realized by hardware, software, or a combination thereof.
- the software operated by the processor included in the base station device 10 according to the embodiment of the present invention and the software operated by the processor included in the user device 20 according to the embodiment of the present invention are respectively a random access memory (RAM), a flash memory, and a read memory. It may be stored in a dedicated memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server, or any other suitable storage medium.
- the notification of information is not limited to the mode / embodiment described in the present disclosure, and may be performed using another method.
- information is notified by physical layer signaling (for example, DCI (Downlink Control Information), UCI (Uplink Control Information)), upper layer signaling (for example, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be carried out by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof, and RRC signaling may be called an RRC message, for example, RRC message. It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration message, or the like.
- LTE Long Term Evolution
- LTE-A Long Term Evolution-Advanced
- SUPER 3G IMT-Advanced
- 4G 4th generation mobile communication system
- 5G 5th generation mobile communication system
- FRA Full Radio Access
- NR new Radio
- W-CDMA registered trademark
- GSM registered trademark
- CDMA2000 Code Division Multiple Access 2000
- UMB Universal Mobile Broadband
- IEEE 802.11 Wi-Fi (registered trademark)
- IEEE 802.16 WiMAX (registered trademark)
- IEEE 802.20 UWB (Ultra-WideBand
- Bluetooth registered trademark
- other systems using appropriate systems, and extensions based on these It may be applied to at least one of the next-generation systems.
- a plurality of systems may be combined and applied (for example, a combination of at least one of LTE and LTE-A and 5G).
- the specific operation that is performed by the base station device 10 in this specification may be performed by its upper node in some cases.
- various operations performed for communication with the user device 20 are other than the base station device 10 and the base station device 10.
- it may be performed by at least one of the network nodes of (eg, but not limited to, MME or S-GW, etc.).
- the other network node may be a combination of a plurality of other network nodes (for example, MME and S-GW). Good.
- Information, signals, etc. described in the present disclosure may be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input / output may be performed via a plurality of network nodes.
- Information that has been input and output may be stored in a specific location (for example, memory), or may be managed using a management table. Information that is input / output may be overwritten, updated, or added. The output information and the like may be deleted. The input information and the like may be transmitted to another device.
- the determination in the present disclosure may be performed based on a value (0 or 1) represented by 1 bit, may be performed based on a Boolean value (Boolean: true or false), or may be performed by comparing numerical values (for example, , Comparison with a predetermined value).
- software, instructions, information, etc. may be sent and received via a transmission medium.
- the software uses a wired technology (coaxial cable, optical fiber cable, twisted pair, digital subscriber line (DSL: Digital Subscriber Line), etc.) and / or wireless technology (infrared, microwave, etc.) websites, When sent from a server, or other remote source, at least one of these wired and wireless technologies is included within the definition of transmission medium.
- wired technology coaxial cable, optical fiber cable, twisted pair, digital subscriber line (DSL: Digital Subscriber Line), etc.
- wireless technology infrared, microwave, etc.
- Information, signals, etc. described in this disclosure may be represented using any of a variety of different technologies.
- data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description include voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any of these. May be represented by a combination of
- At least one of the channel and the symbol may be a signal (signaling).
- the signal may also be a message.
- a component carrier CC may be called a carrier frequency, a cell, a frequency carrier, or the like.
- system and “network” used in this disclosure are used interchangeably.
- the information, parameters, etc. described in the present disclosure may be represented by using an absolute value, may be represented by using a relative value from a predetermined value, or by using other corresponding information. May be represented.
- the radio resources may be those indicated by the index.
- base station Base Station
- radio base station base station
- base station device fixed station
- NodeB NodeB
- eNodeB eNodeB
- GNB gNodeB
- access point “ transmission point ”,“ reception point ”,“ transmission / reception point ”,“ cell ”,“ sector ”
- Terms such as “cell group”, “carrier”, “component carrier” may be used interchangeably.
- a base station may be referred to by terms such as macro cell, small cell, femto cell, pico cell, and the like.
- a base station can accommodate one or more (eg, three) cells.
- a base station accommodates multiple cells, the entire coverage area of the base station can be divided into multiple smaller areas, each smaller area being defined by a base station subsystem (eg, indoor small base station (RRH: Communication services can also be provided by Remote Radio Head) .
- RRH indoor small base station
- the term "cell” or “sector” refers to a part or the whole of the coverage area of at least one of the base station and the base station subsystem that perform communication services in this coverage. Refers to.
- MS Mobile Station
- UE User Equipment
- a mobile station can be a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless, by a person skilled in the art. It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term.
- At least one of the base station and the mobile station may be called a transmission device, a reception device, a communication device, or the like.
- the base station and the mobile station may be a device mounted on the mobile body, the mobile body itself, or the like.
- the moving body may be a vehicle (eg, car, airplane, etc.), an unmanned moving body (eg, drone, self-driving car, etc.), or a robot (manned or unmanned).
- At least one of the base station and the mobile station also includes a device that does not necessarily move during a communication operation.
- at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.
- IoT Internet of Things
- the base station in the present disclosure may be replaced by the user terminal.
- the communication between the base station and the user terminal is replaced with communication between a plurality of user devices 20 (for example, it may be called D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.).
- D2D Device-to-Device
- V2X Vehicle-to-Everything
- the user apparatus 20 may have the function of the above-described base station apparatus 10.
- the words such as “up” and “down” may be replaced with the words corresponding to the communication between terminals (for example, “side”).
- the uplink channel and the downlink channel may be replaced with the side channel.
- the user terminal in the present disclosure may be replaced by the base station.
- the base station may have the function of the above-described user terminal.
- determining and “determining” as used in this disclosure may encompass a wide variety of actions.
- “Judgment” and “decision” are, for example, judgment, calculating, computing, processing, deriving, investigating, and looking up, search, inquiry. (Eg, searching in a table, database or another data structure), ascertaining what is considered to be “judgment” or “decision”, and the like.
- “decision” and “decision” include receiving (eg, receiving information), transmitting (eg, transmitting information), input (input), output (output), access (accessing) (for example, accessing data in a memory) may be regarded as “judging” and “deciding”.
- judgment and “decision” are considered to be “judgment” and “decision” when things such as resolving, selecting, choosing, establishing, establishing, and comparing are done. May be included. That is, the “judgment” and “decision” may include considering some action as “judgment” and “decision”. In addition, “determination (decision)” may be read as “assuming,” “expecting,” “considering,” and the like.
- connection means any direct or indirect connection or coupling between two or more elements, and It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled”.
- the connections or connections between the elements may be physical, logical, or a combination thereof.
- connection may be read as “access”.
- two elements are in the radio frequency domain, with at least one of one or more wires, cables and printed electrical connections, and as some non-limiting and non-exhaustive examples. , Can be considered to be “connected” or “coupled” to each other, such as with electromagnetic energy having wavelengths in the microwave and light (both visible and invisible) regions.
- the reference signal may be abbreviated as RS (Reference Signal), or may be referred to as a pilot (Pilot) depending on the applied standard.
- RS Reference Signal
- Pilot pilot
- the phrase “based on” does not mean “based only on,” unless expressly specified otherwise. In other words, the phrase “based on” means both "based only on” and “based at least on.”
- references to elements using designations such as “first”, “second”, etc. as used in this disclosure does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, references to the first and second elements do not mean that only two elements may be employed, or that the first element must precede the second element in any way.
- a radio frame may be composed of one or more frames in the time domain. Each frame or frames in the time domain may be referred to as a subframe. A subframe may also be composed of one or more slots in the time domain. The subframe may have a fixed time length (eg, 1 ms) that does not depend on numerology.
- Numerology may be a communication parameter applied to at least one of transmission and reception of a signal or channel.
- Numerology includes, for example, subcarrier spacing (SCS: SubCarrier Spacing), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI: Transmission Time Interval), number of symbols per TTI, radio frame configuration, transceiver At least one of a specific filtering process performed in the frequency domain and a specific windowing process performed by the transceiver in the time domain may be shown.
- a slot may be composed of one or more symbols (OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol, etc.) in the time domain.
- a slot may be a time unit based on numerology.
- a slot may include multiple minislots. Each minislot may be composed of one or more symbols in the time domain. The minislot may also be called a subslot. Minislots may be composed of fewer symbols than slots.
- PDSCH (or PUSCH) transmitted in a time unit larger than a minislot may be referred to as PDSCH (or PUSCH) mapping type A.
- PDSCH (or PUSCH) transmitted using a minislot may be referred to as PDSCH (or PUSCH) mapping type B.
- Radio frame, subframe, slot, minislot, and symbol all represent the time unit for transmitting signals. Radio frames, subframes, slots, minislots, and symbols may have different names corresponding to them.
- one subframe may be called a transmission time interval (TTI)
- TTI transmission time interval
- TTI transmission time interval
- TTI transmission time interval
- TTI transmission time interval
- TTI means, for example, the minimum time unit of scheduling in wireless communication.
- the base station performs scheduling for allocating radio resources (frequency bandwidth that can be used in each user device 20, transmission power, etc.) to each user device 20 in units of TTI.
- the definition of TTI is not limited to this.
- the TTI may be a transmission time unit of a channel-encoded data packet (transport block), code block, codeword, or the like, or may be a processing unit of scheduling, link adaptation, or the like.
- the time interval for example, the number of symbols
- the transport block, code block, codeword, etc. may be shorter than the TTI.
- one slot or one minislot is called a TTI
- one or more TTIs may be the minimum time unit for scheduling.
- the number of slots (minislot number) that constitutes the minimum time unit of the scheduling may be controlled.
- a TTI having a time length of 1 ms may be called a normal TTI (TTI in LTE Rel. 8-12), a normal TTI, a long TTI, a normal subframe, a normal subframe, a long subframe, a slot, or the like.
- the TTI shorter than the normal TTI may be called a shortened TTI, a short TTI, a partial TTI (partial or fractional TTI), a shortened subframe, a short subframe, a minislot, a subslot, a slot, and the like.
- a long TTI (eg, normal TTI, subframe, etc.) may be read as a TTI having a time length of more than 1 ms, and a short TTI (eg, shortened TTI, etc.) is less than the TTI length of the long TTI and 1 ms. It may be read as a TTI having the above TTI length.
- a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or more continuous subcarriers in the frequency domain.
- the number of subcarriers included in the RB may be the same regardless of the numerology, and may be 12, for example.
- the number of subcarriers included in the RB may be determined based on numerology.
- the time domain of RB may include one or more symbols, and may be one slot, one minislot, one subframe, or one TTI in length.
- One TTI, one subframe, etc. may be configured with one or a plurality of resource blocks.
- One or more RBs are a physical resource block (PRB: Physical RB), subcarrier group (SCG: Sub-Carrier Group), resource element group (REG: Resource Element Group), PRB pair, RB pair, etc. May be called.
- PRB Physical resource block
- SCG Sub-Carrier Group
- REG Resource Element Group
- PRB pair RB pair, etc. May be called.
- a resource block may be composed of one or more resource elements (RE: Resource Element).
- RE Resource Element
- one RE may be a radio resource area of one subcarrier and one symbol.
- a bandwidth part (may be called a partial bandwidth) may represent a subset of consecutive common RBs (common resource blocks) for a certain numerology in a certain carrier.
- the common RB may be specified by the index of the RB based on the common reference point of the carrier.
- PRBs may be defined in a BWP and numbered within that BWP.
- BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
- BWP for UL
- DL BWP BWP for DL
- One or more BWPs may be set in one carrier for the UE.
- At least one of the configured BWPs may be active, and the UE does not have to assume that it will send and receive predetermined signals / channels outside the active BWP.
- BWP bitmap
- the structure of the radio frame, subframe, slot, minislot, symbol, etc. described above is merely an example.
- the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, and the number included in RB The number of subcarriers, the number of symbols in the TTI, the symbol length, the cyclic prefix (CP: Cyclic Prefix) length, and the like can be variously changed.
- the term “A and B are different” may mean “A and B are different from each other”.
- the term may mean that “A and B are different from C”.
- the terms “remove”, “coupled” and the like may be construed as “different” as well.
- the notification of the predetermined information (for example, the notification of “being X”) is not limited to the explicit notification, but is performed implicitly (for example, the notification of the predetermined information is not performed). Good.
- base station device 110 transmission unit 120 reception unit 130 setting unit 140 control unit 20 user device 210 transmission unit 220 reception unit 230 setting unit 240 control unit 1001 processor 1002 storage device 1003 auxiliary storage device 1004 communication device 1005 input device 1006 output device
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Abstract
Description
1-1)測定に係る規定
1-2)端末性能に係る他の規定
a)測定に用いる参照信号、すなわちSSB又はCSI-RSに係る設定値
b)測定ウィンドウ、すなわちSMTCウィンドウに係る設定値
c)測定種別又は目的、例えばサービングセル向けの測定であるか周辺セル向けの測定であるか等
a)モビリティ性能若しくはUE種別又はこれらの組み合わせを区別又は通知するためのUE能力、又はネットワークからのシグナリング
b)UEのビーム性能、例えば、アンテナ数、ビーム数、アナログビームフォーミング/デジタルビームフォーミング等を区別又は通知するためのUE能力、又はネットワークからのシグナリング
c)ネットワークが要求するモビリティ性能(例えば、高速移動環境等)をUEに通知するためのシグナリング
d)特定用途(例えば、URLLC(Ultra-Reliable and Low Latency Communications)、power saving)向けの機能に関するUE能力、又はネットワークからのシグナリング
次に、これまでに説明した処理及び動作を実行する基地局装置10及びユーザ装置20の機能構成例を説明する。基地局装置10及びユーザ装置20は上述した実施例を実施する機能を含む。ただし、基地局装置10及びユーザ装置20はそれぞれ、実施例の中の一部の機能のみを備えることとしてもよい。
図7は、基地局装置10の機能構成の一例を示す図である。図7に示されるように、基地局装置10は、送信部110と、受信部120と、設定部130と、制御部140とを有する。図7に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。
図8は、ユーザ装置20の機能構成の一例を示す図である。図8に示されるように、ユーザ装置20は、送信部210と、受信部220と、設定部230と、制御部240とを有する。図8に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。
上記実施形態の説明に用いたブロック図(図7及び図8)は、機能単位のブロックを示している。これらの機能ブロック(構成部)は、ハードウェア及びソフトウェアの少なくとも一方の任意の組み合わせによって実現される。また、各機能ブロックの実現方法は特に限定されない。すなわち、各機能ブロックは、物理的又は論理的に結合した1つの装置を用いて実現されてもよいし、物理的又は論理的に分離した2つ以上の装置を直接的又は間接的に(例えば、有線、無線などを用いて)接続し、これら複数の装置を用いて実現されてもよい。機能ブロックは、上記1つの装置又は上記複数の装置にソフトウェアを組み合わせて実現されてもよい。
以上、説明したように、本発明の実施の形態によれば、測定の報告がトリガされる条件を含む測定の設定を基地局装置から受信する受信部と、前記測定の設定に基づいて、測定を実行する制御部と、前記測定の報告がトリガされる条件が満たされた場合に、測定の報告を前記基地局装置に送信する送信部とを有し、前記制御部は、モビリティ性能を示すパラメータまたはユーザ装置の種別の少なくともいずれかに基づいて、前記測定の設定を変更するユーザ装置が提供される。
以上、本発明の実施の形態を説明してきたが、開示される発明はそのような実施形態に限定されず、当業者は様々な変形例、修正例、代替例、置換例等を理解するであろう。発明の理解を促すため具体的な数値例を用いて説明がなされたが、特に断りのない限り、それらの数値は単なる一例に過ぎず適切な如何なる値が使用されてもよい。上記の説明における項目の区分けは本発明に本質的ではなく、2以上の項目に記載された事項が必要に応じて組み合わせて使用されてよいし、ある項目に記載された事項が、別の項目に記載された事項に(矛盾しない限り)適用されてよい。機能ブロック図における機能部又は処理部の境界は必ずしも物理的な部品の境界に対応するとは限らない。複数の機能部の動作が物理的には1つの部品で行われてもよいし、あるいは1つの機能部の動作が物理的には複数の部品により行われてもよい。実施の形態で述べた処理手順については、矛盾の無い限り処理の順序を入れ替えてもよい。処理説明の便宜上、基地局装置10及びユーザ装置20は機能的なブロック図を用いて説明されたが、そのような装置はハードウェアで、ソフトウェアで又はそれらの組み合わせで実現されてもよい。本発明の実施の形態に従って基地局装置10が有するプロセッサにより動作するソフトウェア及び本発明の実施の形態に従ってユーザ装置20が有するプロセッサにより動作するソフトウェアはそれぞれ、ランダムアクセスメモリ(RAM)、フラッシュメモリ、読み取り専用メモリ(ROM)、EPROM、EEPROM、レジスタ、ハードディスク(HDD)、リムーバブルディスク、CD-ROM、データベース、サーバその他の適切な如何なる記憶媒体に保存されてもよい。
110 送信部
120 受信部
130 設定部
140 制御部
20 ユーザ装置
210 送信部
220 受信部
230 設定部
240 制御部
1001 プロセッサ
1002 記憶装置
1003 補助記憶装置
1004 通信装置
1005 入力装置
1006 出力装置
Claims (6)
- 測定の報告がトリガされる条件を含む測定の設定を基地局装置から受信する受信部と、
前記測定の設定に基づいて、測定を実行する制御部と、
前記測定の報告がトリガされる条件が満たされた場合に、測定の報告を前記基地局装置に送信する送信部とを有し、
前記制御部は、モビリティ性能を示すパラメータ又はユーザ装置の種別の少なくともいずれかに基づいて、前記測定の設定を変更するユーザ装置。 - 前記制御部は、前記モビリティ性能を示すパラメータに基づいて、SMTC(SS/PBCH block measurement timing configuration)ウィンドウの設定値を変更する請求項1記載のユーザ装置。
- 前記制御部は、第1のモビリティ性能を示すパラメータと、前記第1のモビリティ性能を示すパラメータと異なるモビリティ性能を示す第2のモビリティ性能を示すパラメータとが測定に適用される場合、前記第1のモビリティ性能を示すパラメータに基づいて設定されるSMTCウィンドウの設定値と、前記第2のモビリティ性能を示すパラメータに基づいて設定されるSMTCウィンドウの設定値とを異ならせて設定する請求項2記載のユーザ装置。
- 前記送信部は、前記モビリティ性能を示すパラメータを端末能力の報告として前記基地局装置に送信する請求項1記載のユーザ装置。
- 前記端末能力の報告は、同一のパワークラスに異なるモビリティ性能を示すパラメータが関連付けられる場合を含む請求項4記載のユーザ装置。
- モビリティ性能を示すパラメータ又はユーザ装置の種別の少なくともいずれかを端末能力の報告としてユーザ装置から受信する受信部と、
前記モビリティ性能を示すパラメータ又はユーザ装置の種別の少なくともいずれかに基づいて、測定の設定を生成する制御部と、
測定の報告がトリガされる条件を含む前記測定の設定を前記ユーザ装置に送信する送信部とを有する基地局装置。
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| JP2020556461A JP7223026B2 (ja) | 2018-11-09 | 2018-11-09 | 端末、基地局、無線通信システム、及び通信方法 |
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| CN201880099228.7A CN113056931A (zh) | 2018-11-09 | 2018-11-09 | 用户装置以及基站装置 |
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| EP3879877A1 (en) | 2021-09-15 |
| CN113056931A (zh) | 2021-06-29 |
| US11917438B2 (en) | 2024-02-27 |
| JPWO2020095455A1 (ja) | 2021-10-07 |
| US20210392536A1 (en) | 2021-12-16 |
| MX2021005072A (es) | 2021-06-15 |
| EP3879877A4 (en) | 2022-06-29 |
| EP3879877B1 (en) | 2025-04-30 |
| JP7223026B2 (ja) | 2023-02-15 |
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