WO2020246024A1 - 端末及び基地局 - Google Patents
端末及び基地局 Download PDFInfo
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- WO2020246024A1 WO2020246024A1 PCT/JP2019/022733 JP2019022733W WO2020246024A1 WO 2020246024 A1 WO2020246024 A1 WO 2020246024A1 JP 2019022733 W JP2019022733 W JP 2019022733W WO 2020246024 A1 WO2020246024 A1 WO 2020246024A1
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- information
- message
- base station
- terminal
- cell group
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
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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 terminals and base stations in wireless communication systems.
- Non-Patent Document 1 NR (New Radio) (also called “5G”), which is the successor system to LTE (Long Term Evolution), the requirements are a large-capacity system, high-speed data transmission speed, low delay, and simultaneous operation of many terminals. Techniques that satisfy connection, low cost, power saving, etc. are being studied (for example, Non-Patent Document 1).
- LTE-NR dual connectivity NR-NR dual connectivity
- NR-NR dual connectivity multi-RAT (Multi Radio Access Technology) dual connectivity
- MR-DC Multi Radio Access Technology
- the "SCGFairureInformation" message is transmitted from the terminal to the base station.
- SCG Failure Secondary Cell Group Failure
- the "SCGFairureInformation” message does not include information indicating which area the failure occurred in, the area where the failure occurred could not be identified on the network side.
- the present invention has been made in view of the above points, and an object of the present invention is to report information on a location where a failure has occurred to a network in dual connectivity executed in a wireless communication system.
- a receiving unit that receives a first message for setting communication with a master cell group and a secondary cell group from a base station that is a master node, and a receiver that is set based on the first message.
- a communication unit that executes communication with the master cell group and the secondary cell group, a control unit that detects that a failure has occurred in communication with the secondary cell group, and a control unit that fails to communicate with the secondary cell group.
- the control unit has a transmission unit that transmits a second message including information indicating that a failure has occurred in the secondary cell group to the base station when it detects that the occurrence has occurred.
- the dual connectivity executed in the wireless communication system it is possible to report the information related to the location where the failure occurred to the network.
- LTE Long Term Evolution
- LTE-Advanced LTE-Advanced and later methods (eg, NR) unless otherwise specified.
- SS Synchronization signal
- PSS Primary SS
- SSS Secondary SS
- PBCH Physical broadcast channel
- PRACH Physical
- NR-SS NR-SS
- NR-PBCH Physical broadcast channel
- PRACH Physical
- the duplex system may be a TDD (Time Division Duplex) system, an FDD (Frequency Division Duplex) system, or other system (for example, Flexible Duplex, etc.). Method may be used.
- TDD Time Division Duplex
- FDD Frequency Division Duplex
- Method may be used.
- "configuring" the radio parameter or the like may mean that a predetermined value is set in advance (Pre-configure), or the base station 10 or The radio parameter notified from the terminal 20 may be set.
- FIG. 1 is a diagram showing a configuration example of a network architecture according to an embodiment of the present invention.
- the wireless network architecture according to the embodiment of the present invention includes 4G-CU, 4G-RU (Remote Unit, remote radio station), EPC (Evolved Packet Core), etc. on the LTE-Advanced side.
- the wireless network architecture in the embodiment of the present invention includes 5G-CU, 5G-DU and the like on the 5G side.
- 4G-CU includes RRC (RadioResourceControl), PDCP (PacketDataConvergenceProtocol), RLC (RadioLinkControl), MAC (MediumAccessControl), L1 (Layer 1, PHY layer or It includes layers up to the physical layer) and is connected to 4G-RU via CPRI (Common Public Radio Interface).
- RRC RadioResourceControl
- PDCP PacketDataConvergenceProtocol
- RLC RadioLinkControl
- MAC MediumAccessControl
- L1 Layer 1, PHY layer or It includes layers up to the physical layer
- CPRI Common Public Radio Interface
- the 5G-CU includes the RRC layer and is connected to the 5G-DU via the FH (Flonthaul) interface, and the 5GC (5G Core Network) and the NG interface (NG). It is connected via interface). Further, the 5G-CU is connected to the 4G-CU by an X2 interface.
- the PDCP layer in 4G-CU serves as a coupling or separation point when performing DC (Dual Connectivity) of 4G-5G, that is, EN-DC (E-UTRA-NR Dual Connectivity).
- a network node including 5G-CU and 5G-DU is called gNB.
- 5G-CU may be referred to as gNB-CU
- 5G-DU may be referred to as gNB-DU.
- CA Carrier Aggregation
- DC is performed between 4G-RU and 5G-DU.
- a UE User Equipment
- a UE User Equipment
- FIG. 1 shows the wireless network architecture at the time of LTE-NR DC, that is, EN-DC (E-UTRA-NR Dual Connectivity).
- EN-DC E-UTRA-NR Dual Connectivity
- a similar wireless network architecture may be used when separating 4G-CU into CU-DU or when operating NR standalone.
- the functions related to the RRC layer and the PDCP layer may be transferred to the 4G-CU, and the RLC layer and below may be included in the 4G-DU.
- the CU-DU separation may reduce the CPRI data rate.
- a plurality of 5G-DUs may be connected to the 5G-CU.
- NR-DC NR-NR Dual Connectivity
- the 5G-CU may be directly connected to the EPC without going through the 4G-CU, or the 4G-CU may be directly connected to the 5GC without going through the 5G-CU.
- FIG. 2 is a diagram showing a configuration example of a wireless communication system according to an embodiment of the present invention.
- FIG. 2 is a schematic view showing a wireless communication system at the time of MR-DC (Multi-RAT Dual Connectivity).
- MR-DC Multi-RAT Dual Connectivity
- the terminal 20 is a base station 10A provided by the NR system and a base station 10B provided by the NR system (hereinafter, “base station 10” when the base station 10A and the base station 10B are not distinguished). May be referred to as). Further, the terminal 20 has NR-NR dual connectivity in which the base station 10A is a master node (hereinafter, also referred to as “MN”) and the base station 10B is a secondary node (hereinafter, also referred to as “SN”), that is, NR-. Supports DC.
- MN master node
- SN secondary node
- the terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- a cell belonging to a master node may be referred to as a master cell group, and a cell belonging to a secondary node may be referred to as a secondary cell group.
- the terminal 20 may communicate with the base station 10A provided by the LTE system and the base station 10B provided by the NR system. Further, the terminal 20 may support LTE-NR dual connectivity, that is, EN-DC, in which the base station 10A is the MN and the base station 10B is the SN.
- the terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- the terminal 20 may communicate with the base station 10A provided by the NR system and the base station 10B provided by the LTE system. Further, the terminal 20 may support NR-LTE dual connectivity in which the base station 10A is the MN and the base station 10B is the SN, that is, NE-DC (NR-E-UTRA Dual Connectivity).
- the terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- the terminal 20 may communicate with the base station 10A provided by the NR system and the base station 10B provided by the NR system. Further, the terminal 20 may support NR-NR dual connectivity, that is, NR-DC, in which the base station 10A is the MN and the base station 10B is the SN. The terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- NR-NR dual connectivity that is, NR-DC
- the terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- the terminal 20 may communicate with the base station 10A provided by the LTE system and the base station 10B provided by the LTE system. Further, the terminal 20 may support LTE-LTE dual connectivity, that is, LTE-DC, in which the base station 10A is the MN and the base station 10B is the SN.
- LTE-DC LTE-LTE dual connectivity
- the terminal 20 simultaneously uses the plurality of component carriers provided by the base station 10A which is the master node and the base station 10B which is the secondary node, and simultaneously with the base station 10A which is the master node and the base station 10B which is the secondary node. It is possible to perform transmission or simultaneous reception.
- MR-DC when a connection failure (SCG Failure: Secondary Cell Group Failure) in the secondary cell group is detected in the terminal 20, a "SCGFairure Information" message is transmitted from the terminal 20 to the base station 10 which is a master node.
- the "SCGFairureInformation” message includes the cause of the failure, the measurement result of the serving cell at the time of the failure, and the measurement result of the adjacent cell, if any.
- the information acquired by the network by the "SCGFairureInformation” message can be used on the network side to improve the quality of the area.
- the network side cannot specifically specify the area where the failure has occurred.
- the terminal 20 set to include the speed information if the position information and the speed information can be acquired in the "SCGFairure Information” message should be able to acquire the position information and the speed information in the "SCGFairure Information" when the SCG Failure occurs. If so, report to the network including speed information.
- the report is applicable to MR-DCs EN-DC and NE-DC, and is also applicable to NR-DC and LTE-DC.
- FIG. 3 is a sequence diagram for explaining an operation example (1) according to the embodiment of the present invention.
- the secondary node is NR or LTE base station 10B. That is, it corresponds to an operation example in the case of EN-DC or LTE-DC.
- step S11 the LTE base station 10A, which is the master node, sends a "RRCCconnectionReconnection" message including a setting to include the speed information and a setting to execute the DC if the position information and the speed information can be acquired in the "SCGFairureInformation" message. Send to 20.
- steps S12A and S12B the base station 10A, the terminal 20, and the base station 10B execute communication by EN-DC or LTE-DC.
- EN-DC is executed.
- the base station 10B is LTE
- LTE-DC is executed.
- step S13 the terminal 20 detects the SCG Failure in the communication with the base station 10B. Subsequently, the terminal 20 reports to the network, including the speed information, if the position information and the speed information can be acquired in the "SCGFairureInformationNR" or the “SCGFairureInformation” based on the setting of the RRCConceptionReconnection received in step S11.
- the base station 10B is NR
- "SCGFairureInformationNR” is transmitted.
- the base station 10B is LTE
- SCGFairure Information is transmitted.
- FIG. 4 is a sequence diagram for explaining an operation example (2) according to the embodiment of the present invention.
- the secondary node is LTE or NR base station 10B. That is, it corresponds to an operation example in the case of NE-DC or NR-DC.
- step S21 the base station 10A of the NR, which is the master node, sends a "RRC Reconfiguration" message including a setting to include the speed information and a setting to execute the DC if the position information and the speed information can be acquired in the "SCGFairureInformation" message. Send to 20.
- steps S22A and S22B the base station 10A, the terminal 20, and the base station 10B execute communication by NE-DC or NR-DC.
- the base station 10B is LTE
- NE-DC is executed.
- the base station 10B is NR
- NR-DC is executed.
- step S23 the terminal 20 detects the SCG Failure in communication with the base station 10B. Subsequently, the terminal 20 reports to the network, including the speed information, if the position information and the speed information can be acquired in the "SCGFairure Information EUTRA" or the "SCGFairure Information” based on the setting of the RRC Configuration received in step S11.
- the base station 10B is LTE
- SCGFairureInformation EUTRA is transmitted.
- the base station 10B is NR
- SCGFairure Information is transmitted.
- FIG. 5 is a flowchart for explaining an operation example according to the embodiment of the present invention. Details of an operation example corresponding to step S13 and step S14 shown in FIG. 3 or steps S23 and S24 shown in FIG. 4 will be described with reference to FIG.
- step S101 the terminal 20 detects the SCG Failure. Subsequently, the terminal 20 determines whether or not the location information report of the SCG Failure is set in the "RRCConlocation" message or the "RRCCconnectionReconnection” message (S102). If the position information report of the SCG Failure is set (YES in S102), the process proceeds to step S103, and if the position information report of the SCG Failure is not set (NO in S102), the process proceeds to step S106.
- step S103 the terminal 20 includes the position information in the "SCGFairureInformation". Subsequently, the terminal 20 determines whether or not the speed information can be acquired (S104). If the speed information can be acquired (YES in S104), the process proceeds to step S105, and if the speed information cannot be acquired (NO in S104), the process proceeds to step S106.
- step S105 the terminal 20 includes the speed information in the "SCGFairureInformation”.
- step S106 the terminal 20 transmits "SCGFairureInformation" to the base station 10.
- FIG. 6 is a diagram showing an example (1) of specification change in the embodiment of the present invention.
- the information element "obtainLocationInfoViaSCG-Failure-r16" in the LTE RRC shown in FIG. 6 is an information element for setting to report the position information at the time of SCG Failure.
- the "obtainLocationInfoViaSCG-Failure-r16" is included in the "OtherConfig", and the "OtherConfig” is included in the "RRCCconnectionReconfigation" and is transmitted from the base station 10 to the terminal 20.
- FIG. 7 is a diagram showing an example (2) of specification change in the embodiment of the present invention.
- the information element "SCGFairure Information NR" in the LTE RRC shown in FIG. 7 is transmitted from the terminal 20 to the base station 10 when the SCG Failure is detected in the EN-DC.
- SCGFairureInformationNR includes "locationInfo-r16" indicating position information.
- FIG. 8 is a diagram showing an example (3) of specification change in the embodiment of the present invention.
- the information element “SCGFairure Information” in the LTE RRC shown in FIG. 8 is transmitted from the terminal 20 to the base station 10 when the SCG Fairure is detected in the LTE-DC.
- SCGFairureInformation includes "locationInfo-r16" indicating position information.
- FIG. 9 is a diagram showing an example (4) of specification change in the embodiment of the present invention.
- the information element "Location Info" in the LTE RRC shown in FIG. 9 includes position information and optionally speed information.
- the position information is indicated by, for example, any of the following a) -g).
- ellipsoid-Point-r10 is information including longitude and latitude indicating a point on an ellipsoid.
- ellipsoidPointWithAltitude-r10 is information including longitude and latitude indicating a point on an ellipsoid, and altitude.
- EllipsoidPointWithUnicertyCircle-r11 is information including longitude and latitude indicating a point on an ellipsoid, and a predetermined distance r indicating a circle.
- "ellipsoidPointWithUnicertyEllipse-r11” is information including longitude and latitude indicating a point on an ellipsoid, and parameters indicating an ellipse.
- "ellipsoidPointWithAltititudeAndUncertyEllipsoid-r11” is information including longitude and latitude indicating a point on an ellipsoid, and parameters indicating altitude and an ellipse.
- "ellipsidArc-r11” is information indicating an arc having a predetermined width on an ellipsoid.
- "polygon-r11” is information indicating a polygon composed of straight lines connecting three or more points indicating latitude and longitude.
- the speed information includes "horizontal Velocity-r10".
- the velocity information may further include “verticalVelocityInfo-r15".
- "Horizontal Velocity-r10” is information indicating the velocity on the surface of the ellipsoid.
- "VerticalVelocity-r15” is information indicating the velocity in the vertical direction
- “verticalVelocityAndUnicity-r15” is information indicating the velocity in the vertical direction and information defining the range of the velocity vector.
- gnss-TOD-msec indicates the time by GNSS (Global Navigation Satellite System).
- FIG. 10 is a diagram showing an example (5) of specification change in the embodiment of the present invention.
- the information element "obtainLocationInfoViaSCG-Failure-r16" in the RRC of NR shown in FIG. 6 is an information element for setting to report the position information at the time of SCG Failure.
- the "obtainLocationInfoViaSCG-Failure-r16" is included in the "OtherConfig", and the "OtherConfig” is included in the "RRCReconfigation” and is transmitted from the base station 10 to the terminal 20.
- FIG. 11 is a diagram showing an example (6) of specification change in the embodiment of the present invention.
- the information element "SCGFairure Information EUTRA" in the RRC of NR shown in FIG. 11 is transmitted from the terminal 20 to the base station 10 when the SCG Fairure is detected in the NE-DC.
- SCGFairureInformation EUTRA includes "locationInfo-r16" indicating location information.
- FIG. 12 is a diagram showing an example (7) of specification change in the embodiment of the present invention.
- the information element "SCGFairure Information" in the RRC of NR shown in FIG. 12 is transmitted from the terminal 20 to the base station 10 at the time of SCG Fairure detection in NR-DC.
- SCGFairureInformation includes "locationInfo-r16" indicating position information.
- FIG. 13 is a diagram showing an example (8) of specification change in the embodiment of the present invention.
- the information element "Location Info" in the RRC of NR shown in FIG. 13 includes position information and optionally speed information.
- the position information is indicated by, for example, any of the following a) -g).
- ellipsoid-Point-r16 is information including longitude and latitude indicating a point on an ellipsoid.
- ellipsoidPointWithAltitude-r16 is information including longitude and latitude indicating a point on an ellipsoid, and altitude.
- EllipsoidPointWithUnicertyCircle-r11 is information including longitude and latitude indicating a point on an ellipsoid, and a predetermined distance r indicating a circle.
- "ellipsoidPointWithUnicertyEllipse-r11” is information including longitude and latitude indicating a point on an ellipsoid, and parameters indicating an ellipse.
- "ellipsoidPointWithAltititudeAndUncertyEllipsoid-r11” is information including longitude and latitude indicating a point on an ellipsoid, and parameters indicating altitude and an ellipse.
- "ellipsidArc-r11” is information indicating an arc having a predetermined width on an ellipsoid.
- "polygon-r11” is information indicating a polygon composed of straight lines connecting three or more points indicating latitude and longitude.
- the speed information includes "horizontal Velocity-r16".
- the velocity information may further include “verticalVelocityInfo-r15".
- "Horizontal Velocity-r16” is information indicating the velocity on the surface of the ellipsoid.
- "VerticalVelocity-r15” is information indicating the velocity in the vertical direction
- “verticalVelocityAndUnicity-r15” is information indicating the velocity in the vertical direction and information defining the range of the velocity vector.
- gnss-TOD-msec-r16 indicates the time by GNSS (Global Navigation Satellite System).
- the network can acquire the position information of the terminal 20 when the SCG Failure occurs, so that the area having a quality problem can be geographically identified.
- the base station 10 and the terminal 20 include a function of carrying out the above-described embodiment.
- the base station 10 and the terminal 20 may each have only a part of the functions in the embodiment.
- FIG. 14 is a diagram showing an example of the functional configuration of the base station 10 according to the embodiment of the present invention.
- the base station 10 has a transmission unit 110, a reception unit 120, a setting unit 130, and a control unit 140.
- the functional configuration shown in FIG. 14 is only an example. Any function classification and name of the functional unit may be used as long as the operation according to the embodiment of the present invention can be executed.
- the transmission unit 110 includes a function of generating a signal to be transmitted to the terminal 20 side and transmitting the signal wirelessly. Further, the transmission unit 110 transmits a message between network nodes to another network node.
- the receiving unit 120 includes a function of receiving various signals transmitted from the terminal 20 and acquiring information of, for example, a higher layer from the received signals. Further, the transmission unit 110 has a function of transmitting NR-PSS, NR-SSS, NR-PBCH, DL / UL control signal and the like to the terminal 20. In addition, the receiving unit 120 receives a message between network nodes from another network node.
- the setting unit 130 stores preset setting information and various setting information to be transmitted to the terminal 20.
- the contents of the setting information are, for example, setting information related to dual connectivity, setting information related to the acquisition of position information and speed information of the terminal 20, and the like.
- control unit 140 performs control related to transmission / reception including dual connectivity with the terminal 20 and control related to processing of position information and speed information received from the terminal 20.
- control unit 140 controls the message creation process for requesting the terminal 20 for the position information at the time of SCG Failure and the optional speed information.
- the function unit related to signal transmission in the control unit 140 may be included in the transmission unit 110, and the function unit related to signal reception in the control unit 140 may be included in the reception unit 120.
- FIG. 15 is a diagram showing an example of the functional configuration of the terminal 20 according to the embodiment of the present invention.
- the terminal 20 has a transmitting unit 210, a receiving unit 220, a setting unit 230, and a control unit 240.
- the functional configuration shown in FIG. 15 is only an example. Any function classification and name of the functional unit may be used as long as the operation according to the embodiment of the present invention can be executed.
- the transmission unit 210 creates a transmission signal from the transmission data and wirelessly transmits the transmission signal.
- the receiving unit 220 wirelessly receives various signals and acquires a signal of a higher layer from the received signal of the physical layer. Further, the receiving unit 220 has a function of receiving NR-PSS, NR-SSS, NR-PBCH, DL / UL / SL control signals and the like transmitted from the base station 10. Further, for example, the transmission unit 210 connects the other terminal 20 to PSCCH (Physical Sidelink Control Channel), PSCH (Physical Sidelink Shared Channel), PSDCH (Physical Sidelink Discovery Channel), PSBCH (Physical Sidelink Broadcast Channel) as D2D communication. Etc. are transmitted, and the receiving unit 120 receives the PSCCH, PSCH, PSDCH, PSBCH, etc. from the other terminal 20.
- PSCCH Physical Sidelink Control Channel
- PSCH Physical Sidelink Shared Channel
- PSDCH Physical Sidelink Discovery Channel
- PSBCH Physical Sidelink Broad
- the setting unit 230 stores various setting information received from the base station 10 by the receiving unit 220.
- the setting unit 230 also stores preset setting information.
- the contents of the setting information are, for example, setting information related to dual connectivity, setting information related to location information acquisition, and the like.
- the control unit 240 performs transmission / reception control including dual connectivity as described in the embodiment.
- the control unit 240 controls the acquisition process of the position information and the speed information.
- the control unit 240 controls the message creation process including the position information at the time of SCG Failure and the optional speed information.
- the function unit related to signal transmission in the control unit 240 may be included in the transmission unit 210, and the function 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 physically or logically connected device, or directly or indirectly (for example, two or more physically or logically separated devices). , Wired, wireless, etc.) and may be realized using these plurality of devices.
- the functional block may be realized by combining the software with the one device or the plurality of devices.
- Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, solution, selection, selection, establishment, comparison, assumption, expectation, and assumption.
- broadcasting notifying, communicating, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but only these. I can't.
- a functional block that functions transmission is called a transmitting unit (transmitting unit) or a transmitter (transmitter).
- transmitting unit transmitting unit
- transmitter transmitter
- the base station 10, the terminal 20, and the like in one embodiment of the present disclosure may function as a computer that processes the wireless communication method of the present disclosure.
- FIG. 16 is a diagram showing an example of the hardware configuration of the base station 10 and the terminal 20 according to the embodiment of the present disclosure.
- the above-mentioned base station 10 and terminal 20 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 good.
- the word “device” can be read as a circuit, device, unit, etc.
- the hardware configuration of the base station 10 and the terminal 20 may be configured to include one or more of the devices shown in the figure, or may be configured not to include some of the devices.
- the processor 1001 For each function of the base station 10 and the terminal 20, the processor 1001 performs an calculation by loading predetermined software (program) on the hardware such as the processor 1001 and the storage device 1002, and controls the communication by the communication device 1004. It is realized by controlling at least one of reading and writing of data in the storage device 1002 and the auxiliary storage device 1003.
- predetermined software program
- the processor 1001 operates, for example, an operating system to control the entire computer.
- the processor 1001 may be composed of a central processing unit (CPU: Central Processing Unit) including an interface with a peripheral device, a control device, an arithmetic unit, a register, and the like.
- CPU Central Processing Unit
- control unit 140, control unit 240, and the like may be realized by the processor 1001.
- the processor 1001 reads a program (program code), a software module, data, or the like from at least one of the auxiliary storage device 1003 and the communication device 1004 into the storage device 1002, and executes various processes according to these.
- a program program that causes a computer to execute at least a part of the operations described in the above-described embodiment is used.
- the control unit 140 of the base station 10 shown in FIG. 14 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 terminal 20 shown in FIG. 15 may be realized by a control program stored in the storage device 1002 and operated by the processor 1001.
- Processor 1001 may be implemented by one or more chips.
- the program may be transmitted from the network via a telecommunication line.
- the storage device 1002 is a computer-readable recording medium, for example, by at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), and the like. It may be configured.
- the storage device 1002 may be referred to as a register, a cache, a main memory (main storage device), or the like.
- the storage device 1002 can store a program (program code), a software module, or the like that can be executed to implement 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, an optical magnetic disk (for example, a compact disk, a digital versatile disk, Blu).
- -It may be composed of at least one of a ray (registered trademark) disk), a smart card, a flash memory (for example, a card, a stick, a key drive), a floppy (registered trademark) disk, a magnetic strip, and the like.
- the storage medium described above may be, for example, a database, server or other suitable medium containing at least one of the storage device 1002 and the auxiliary storage device 1003.
- the communication device 1004 is hardware (transmission / reception device) for communicating between computers via at least one of a wired network and a wireless network, and is also referred to as, 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). It may be composed of.
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- the transmission / reception unit may be physically or logically separated from each other in the transmission unit and the reception unit.
- 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 have an integrated configuration (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 10 and the terminal 20 are hardware such as a microprocessor, a digital signal processor (DSP: Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array). It may be configured to include, and a part or all of each functional block may be realized by the hardware. For example, 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 receiving unit that receives the first message for setting the communication with the master cell group and the secondary cell group from the base station that is the master node, and the first message.
- a communication unit that executes communication with the master cell group and the secondary cell group set based on the message of 1, a control unit that detects that a failure has occurred in communication with the secondary cell group, and the control unit.
- Has a transmission unit that transmits a second message including information indicating that a failure has occurred in the secondary cell group to the base station when it detects that a failure has occurred in communication with the secondary cell group. Then, when the information indicating that the position information is included in the second message is set in the first message, the control unit is provided with a terminal that includes the position information in the second message.
- the network can acquire the position information of the terminal 20 when the SCG Failure occurs, so that the area having a quality problem can be geographically identified. That is, in the dual connectivity executed in the wireless communication system, the information related to the location where the failure has occurred can be reported to the network.
- the transmission unit may include the position information and the speed information in the second message.
- the network can acquire the position information and speed information of the terminal 20 when the SCG Failure occurs, so that the area having a quality problem can be specified in detail.
- the terminal according to claim 1, wherein the location information is indicated by any of the following a) -g).
- a) Information including longitude and latitude indicating a point on the ellipsoid b) Information including longitude and latitude indicating a point on the ellipsoid, and c) Information including longitude and latitude indicating a point on the ellipsoid, and further indicating a circle.
- Information shown g Information showing a polygon composed of straight lines connecting three or more points indicating latitude and longitude
- the terminal according to claim 2, wherein the speed information is shown by any of the following h) -j).
- h) Information indicating the velocity on the surface of the ellipsoid i) Information indicating the velocity on the surface of the ellipsoid and the velocity in the vertical direction j) Information indicating the velocity on the surface of the ellipsoid, the velocity in the vertical direction, and the range of the velocity vector.
- the transmission unit that transmits the first message for setting the communication with the master cell group and the secondary cell group to the terminal, and the first message.
- the communication unit that executes communication with the terminal via the master cell group set in the above and the terminal detect that a failure has occurred in communication with the secondary cell group, the failure occurs in the secondary cell group. It has a receiving unit that receives a second message including information indicating that it has occurred from the terminal, and a control unit that sets information indicating that location information is included in the second message in the first message.
- a base station is provided.
- the network can acquire the position information of the terminal 20 when the SCG Failure occurs, so that the area having a quality problem can be geographically identified. That is, in the dual connectivity executed in the wireless communication system, the information related to the location where the failure has occurred can be reported to the network.
- 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 a plurality of components.
- the order of processing may be changed as long as there is no contradiction.
- the base station 10 and the terminal 20 have been described with reference to functional block diagrams, but such devices may be implemented in hardware, software, or a combination thereof.
- the software operated by the processor of the base station 10 according to the embodiment of the present invention and the software operated by the processor of the terminal 20 according to the embodiment of the present invention are random access memory (RAM), flash memory, and read-only memory, respectively. It may be stored in (ROM), EPROM, EEPROM, registers, hard disk (HDD), removable disk, CD-ROM, database, server or any other suitable storage medium.
- information notification includes physical layer signaling (for example, DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (for example, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, etc. Broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof may be used.
- RRC signaling may be referred to as an RRC message, for example, RRC. It may be a connection setup (RRCConnectionSetup) message, an RRC connection reconfiguration (RRCConnectionReconfiguration) message, or the like.
- Each aspect / embodiment described in the present disclosure includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G (4th generation mobile communication system), and 5G (5th generation mobile communication).
- system FRA (Future Radio Access), NR (new Radio), W-CDMA (registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi (registered trademark)) )), LTE 802.16 (WiMAX®), IEEE 802.20, UWB (Ultra-WideBand), Bluetooth®, and other systems that utilize suitable systems and have been extended based on these. It may be applied to at least one of the next generation systems. Further, a plurality of systems may be applied in combination (for example, a combination of at least one of LTE and LTE-A and 5G).
- the specific operation performed by the base station 10 in the present specification may be performed by its upper node (upper node).
- various operations performed for communication with the terminal 20 are performed by the base station 10 and other network nodes other than the base station 10 (for example, it is clear that it can be done by at least one of (but not limited to, MME or S-GW).
- MME mobile phone
- S-GW network node
- the information, signals, etc. described in the present disclosure can 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.
- the input / output information and the like may be stored in a specific location (for example, memory) or may be managed using a management table. Input / output information and the like can be overwritten, updated, or added. The output information and the like may be deleted. The input information or the like may be transmitted to another device.
- the determination in the present disclosure may be made by a value represented by 1 bit (0 or 1), by a boolean value (Boolean: true or false), or by comparing numerical values (for example). , Comparison with a predetermined value).
- Software is an instruction, instruction set, code, code segment, program code, program, subprogram, software module, whether called software, firmware, middleware, microcode, hardware description language, or another name.
- Applications, software applications, software packages, routines, subroutines, objects, executable files, execution threads, procedures, features, etc. should be broadly interpreted to mean.
- software, instructions, information, etc. may be transmitted and received via a transmission medium.
- a transmission medium For example, a website that uses at least one of wired technology (coaxial cable, fiber optic cable, twist pair, digital subscriber line (DSL: Digital Subscriber Line), etc.) and wireless technology (infrared, microwave, etc.) When transmitted from a server, or other remote source, at least one of these wired and wireless technologies is included within the definition of transmission medium.
- data, instructions, commands, information, signals, bits, symbols, chips, etc. may be voltage, current, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may be represented by a combination of.
- a channel and a symbol may be a signal (signaling).
- the signal may be a message.
- the component carrier CC: Component Carrier
- CC Component Carrier
- system and “network” used in this disclosure are used interchangeably.
- the information, parameters, etc. described in the present disclosure may be expressed using absolute values, relative values from predetermined values, or using other corresponding information. It may be represented.
- the radio resource may be one indicated by an index.
- base station Base Station
- wireless base station base station
- base station device fixed station
- NodeB nodeB
- eNodeB eNodeB
- GNB nodeB
- access point “ transmission point (transmission point) ”,“ reception point ”,“ transmission / reception point (transmission / reception point) ”,“ cell ”,“ sector ”,
- Terms such as “cell group,” “carrier,” and “component carrier” can be used interchangeably.
- Base stations are sometimes referred to by terms such as macrocells, small cells, femtocells, and picocells.
- the base station can accommodate one or more (for example, 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 a base station subsystem (eg, a small indoor base station (RRH:)).
- Communication services can also be provided by (Remote Radio Head).
- the term "cell” or “sector” is a part or all of the coverage area of at least one of the base station and the base station subsystem that provides the communication service in this coverage. Point to.
- MS Mobile Station
- UE User Equipment
- Mobile stations can be subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless, depending on the trader. 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 transmitting device, a receiving device, a communication device, or the like.
- At least one of 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). ) May be.
- at least one of the base station and the mobile station includes a device that does not necessarily move during 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 read by the user terminal.
- the communication between the base station and the user terminal is replaced with the communication between the plurality of terminals 20 (for example, it may be called D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.).
- D2D Device-to-Device
- V2X Vehicle-to-Everything
- Each aspect / embodiment of the present disclosure may be applied to the configuration.
- the terminal 20 may have the function of the base station 10 described above.
- words such as "up” and “down” may be read as words corresponding to inter-terminal communication (for example, "side").
- the uplink, downlink, and the like may be read as side channels.
- the user terminal in the present disclosure may be read as a base station.
- the base station may have the functions of the user terminal described above.
- determining and “determining” used in this disclosure may include a wide variety of actions.
- “Judgment” and “decision” are, for example, judgment (judging), calculation (calculating), calculation (computing), processing (processing), derivation (deriving), investigation (investigating), search (looking up, search, inquiry). It may include (eg, searching in a table, database or another data structure), ascertaining as being considered a "judgment” or “decision”.
- judgment and “decision” are receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), and access. (Accessing) (for example, accessing data in memory) may be regarded as “judgment” or “decision”.
- judgment and “decision” mean that “resolving”, “selecting”, “choosing”, “establishing”, “comparing”, etc. are regarded as “judgment” and “decision”. Can include. That is, “judgment” and “decision” may include that some action is regarded as “judgment” and “decision”. Further, “judgment (decision)” may be read as “assuming”, “expecting”, “considering” and the like.
- connection means any direct or indirect connection or connection between two or more elements, and each other. It can include the presence of one or more intermediate elements between two “connected” or “combined” elements.
- the connection or connection between the elements may be physical, logical, or a combination thereof.
- connection may be read as "access”.
- the two elements use at least one of one or more wires, cables and printed electrical connections, and, as some non-limiting and non-comprehensive examples, the radio frequency domain. Can be considered to be “connected” or “coupled” to each other using electromagnetic energies having wavelengths in the microwave and light (both visible and invisible) regions.
- the reference signal can also be abbreviated as RS (Reference Signal), and may be called a pilot (Pilot) depending on the applicable standard.
- RS Reference Signal
- Pilot Pilot
- references to elements using designations such as “first”, “second”, etc. as used in this disclosure does not generally limit the quantity or order of those elements. These designations can be used in the present 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 can be adopted, or that the first element must somehow precede the second element.
- the wireless frame may be composed of one or more frames in the time domain. Each one or more frames in the time domain may be referred to as a subframe. Subframes may further consist of one or more slots in the time domain.
- the subframe may have a fixed time length (eg, 1 ms) that is independent of numerology.
- the numerology may be a communication parameter that applies to at least one of the 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, wireless frame configuration, and transmitter / receiver.
- SCS subcarrier spacing
- TTI Transmission Time Interval
- At least one of a specific filtering process performed in the frequency domain, a specific windowing process performed by the transmitter / receiver in the time domain, and the like may be indicated.
- the slot may be composed of one or more symbols in the time domain (OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol, etc.). Slots may be time units based on new melody.
- OFDM Orthogonal Frequency Division Multiplexing
- SC-FDMA Single Carrier Frequency Division Multiple Access
- the slot may include a plurality of mini slots. Each minislot may consist of one or more symbols in the time domain. Further, the mini slot may be called a sub slot. A minislot may consist of a smaller number of symbols than the slot.
- a PDSCH (or PUSCH) transmitted in time units larger than the minislot may be referred to as a PDSCH (or PUSCH) mapping type A.
- the PDSCH (or PUSCH) transmitted using the minislot may be referred to as PDSCH (or PUSCH) mapping type B.
- the wireless frame, subframe, slot, mini slot and symbol all represent the time unit when transmitting a signal.
- the radio frame, subframe, slot, minislot and symbol may have different names corresponding to each.
- one subframe may be called a transmission time interval (TTI), a plurality of consecutive subframes may be called TTI, and one slot or one minislot may be called TTI.
- TTI transmission time interval
- the unit representing TTI may be called a slot, a mini slot, or the like instead of a subframe.
- TTI refers to, for example, the minimum time unit of scheduling in wireless communication.
- the base station schedules each terminal 20 to allocate radio resources (frequency bandwidth that can be used in each terminal 20, transmission power, etc.) in TTI units.
- the definition of TTI is not limited to this.
- the TTI may be a transmission time unit such as a channel-encoded data packet (transport block), a code block, or a code word, or may be a processing unit such as scheduling or link adaptation.
- the time interval for example, the number of symbols
- the transport block, code block, code word, etc. may be shorter than the TTI.
- one or more TTIs may be the minimum time unit for scheduling. Further, the number of slots (number of mini-slots) constituting the minimum time unit of the scheduling may be controlled.
- a TTI having a time length of 1 ms may be referred to as 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.
- TTIs shorter than normal TTIs may be referred to as shortened TTIs, short TTIs, partial TTIs (partial or fractional TTIs), shortened subframes, short subframes, minislots, subslots, slots, and the like.
- the long TTI (for example, normal TTI, subframe, etc.) may be read as a TTI having a time length of more than 1 ms, and the short TTI (for example, 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.
- the resource block (RB) is a resource allocation unit in the time domain and the frequency domain, and may include one or a plurality of continuous subcarriers in the frequency domain.
- the number of subcarriers contained in the RB may be the same regardless of the numerology, and may be, for example, 12.
- the number of subcarriers contained in the RB may be determined based on numerology.
- the time domain of RB may include one or more symbols, and may have a length of 1 slot, 1 mini slot, 1 subframe, or 1 TTI.
- Each 1TTI, 1 subframe, etc. may be composed of one or a plurality of resource blocks.
- one or more RBs include a physical resource block (PRB: Physical RB), a sub-carrier group (SCG: Sub-Carrier Group), a resource element group (REG: Resource Element Group), a PRB pair, an RB pair, and the like. May be called.
- PRB Physical resource block
- SCG Sub-Carrier Group
- REG Resource Element Group
- PRB pair an RB pair, and the like. May be called.
- the resource block may be composed of one or a plurality of resource elements (RE: Resource Element).
- RE Resource Element
- 1RE may be a radio resource area of 1 subcarrier and 1 symbol.
- Bandwidth part (which may also be called partial bandwidth) may represent a subset of consecutive common resource blocks (RBs) for a certain neurology in a carrier.
- the common RB may be specified by the index of the RB with respect to the common reference point of the carrier.
- PRBs may be defined in a BWP and numbered within that BWP.
- the BWP may include a BWP for UL (UL BWP) and a BWP for DL (DL BWP).
- UL BWP UL BWP
- DL BWP DL BWP
- 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 may not expect to send or receive a given signal / channel outside the active BWP.
- “cell”, “carrier” and the like in this disclosure may be read as “BWP”.
- the above-mentioned structures such as wireless frames, subframes, slots, mini slots and symbols are merely examples.
- the number of subframes contained in a wireless frame the number of slots per subframe or wireless frame, the number of minislots contained within a slot, the number of symbols and RBs contained in a slot or minislot, included in the RB.
- the number of subcarriers, the number of symbols in the TTI, the symbol length, the cyclic prefix (CP: Cyclic Prefix) length, and other configurations can be changed in various ways.
- 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”.
- Terms such as “separate” and “combined” may be interpreted in the same way as “different”.
- the notification of predetermined information (for example, the notification of "being X") is not limited to the explicit one, but is performed implicitly (for example, the notification of the predetermined information is not performed). May be good.
- the transmitting unit 210 and the receiving unit 220 are examples of communication units.
- SCGFairureInformation is an example of information indicating that a failure has occurred in a secondary cell group.
- Base station 110 Transmission unit 120 Reception unit 130 Setting unit 140 Control unit 20 Terminal 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
a)「ellipsoid-Point-r10」は、楕円体上の点を示す経度及び緯度を含む情報である。
b)「ellipsoidPointWithAltitude-r10」は、楕円体上の点を示す経度及び緯度、さらに高度を含む情報である。
c)「ellipsoidPointWithUncertaintyCircle-r11」は、楕円体上の点を示す経度及び緯度、さらに円を示す所定の距離rを含む情報である。
d)「ellipsoidPointWithUncertaintyEllipse-r11」は、楕円体上の点を示す経度及び緯度、さらに楕円を示すパラメータを含む情報である。
e)「ellipsoidPointWithAltitudeAndUncertaintyEllipsoid-r11」は、楕円体上の点を示す経度及び緯度、さらに高度及び楕円を示すパラメータを含む情報である。
f)「ellipsoidArc-r11」は、楕円体上の所定の幅を有する弧を示す情報である。
g)「polygon-r11」は、緯度及び経度を示す3以上の点を結ぶ直線で構成される多角形を示す情報である。
a)「ellipsoid-Point-r16」は、楕円体上の点を示す経度及び緯度を含む情報である。
b)「ellipsoidPointWithAltitude-r16」は、楕円体上の点を示す経度及び緯度、さらに高度を含む情報である。
c)「ellipsoidPointWithUncertaintyCircle-r11」は、楕円体上の点を示す経度及び緯度、さらに円を示す所定の距離rを含む情報である。
d)「ellipsoidPointWithUncertaintyEllipse-r11」は、楕円体上の点を示す経度及び緯度、さらに楕円を示すパラメータを含む情報である。
e)「ellipsoidPointWithAltitudeAndUncertaintyEllipsoid-r11」は、楕円体上の点を示す経度及び緯度、さらに高度及び楕円を示すパラメータを含む情報である。
f)「ellipsoidArc-r11」は、楕円体上の所定の幅を有する弧を示す情報である。
g)「polygon-r11」は、緯度及び経度を示す3以上の点を結ぶ直線で構成される多角形を示す情報である。
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10及び端末20の機能構成例を説明する。基地局10及び端末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10及び端末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14は、本発明の実施の形態における基地局10の機能構成の一例を示す図である。図14に示されるように、基地局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14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15は、本発明の実施の形態における端末20の機能構成の一例を示す図である。図15に示されるように、端末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15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14及び図15)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、マスタセルグループ及びセカンダリセルグループとの通信を設定する第1のメッセージをマスタノードである基地局から受信する受信部と、前記第1のメッセージに基づいて設定される前記マスタセルグループ及び前記セカンダリセルグループと通信を実行する通信部と、前記セカンダリセルグループとの通信に障害が発生したことを検出する制御部と、前記制御部が前記セカンダリセルグループとの通信に障害が発生したことを検出した場合、前記セカンダリセルグループに障害が発生したことを示す情報を含む第2のメッセージを前記基地局に送信する送信部とを有し、前記制御部は、前記第2のメッセージに位置情報を含めることを示す情報が前記第1のメッセージに設定されている場合、前記第2のメッセージに位置情報を含める端末が提供される。
a)楕円体上の点を示す経度及び緯度を含む情報
b)楕円体上の点を示す経度及び緯度、さらに高度を含む情報
c)楕円体上の点を示す経度及び緯度、さらに円を示す情報
d)楕円体上の点を示す経度及び緯度、さらに楕円を示す情報
e)楕円体上の点を示す経度及び緯度、さらに高度及び楕円を示す情報
f)楕円体上の幅を有する弧を示す情報
g)緯度及び経度を示す3以上の点を結ぶ直線で構成される多角形を示す情報
当該構成により、ネットワークは、SCG Failureが発生した時の端末20の位置情報を取得することができるため、品質に問題があるエリアを詳細に特定することができる。
h)楕円体表面上の速度を示す情報
i)楕円体表面上の速度及び垂直方向の速度を示す情報
j)楕円体表面上の速度、垂直方向の速度及び速度ベクトルの範囲を示す情報
当該構成により、ネットワークは、SCG Failureが発生した時の端末20の速度情報を取得することができるため、品質に問題があるエリアを詳細に特定することができる。
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10及び端末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端末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 端末
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 (5)
- マスタセルグループ及びセカンダリセルグループとの通信を設定する第1のメッセージをマスタノードである基地局から受信する受信部と、
前記第1のメッセージに基づいて設定される前記マスタセルグループ及び前記セカンダリセルグループと通信を実行する通信部と、
前記セカンダリセルグループとの通信に障害が発生したことを検出する制御部と、
前記制御部が前記セカンダリセルグループとの通信に障害が発生したことを検出した場合、前記セカンダリセルグループに障害が発生したことを示す情報を含む第2のメッセージを前記基地局に送信する送信部とを有し、
前記制御部は、前記第2のメッセージに位置情報を含めることを示す情報が前記第1のメッセージに設定されている場合、前記第2のメッセージに位置情報を含める端末。 - 前記送信部は、前記第2のメッセージに位置情報を含めることを示す情報が前記第1のメッセージに設定されている場合、前記第2のメッセージに位置情報及び速度情報を含める請求項1記載の端末。
- 前記位置情報は、下記a)-g)のいずれかで示される請求項1記載の端末。
a)楕円体上の点を示す経度及び緯度を含む情報
b)楕円体上の点を示す経度及び緯度、さらに高度を含む情報
c)楕円体上の点を示す経度及び緯度、さらに円を示す情報
d)楕円体上の点を示す経度及び緯度、さらに楕円を示す情報
e)楕円体上の点を示す経度及び緯度、さらに高度及び楕円を示す情報
f)楕円体上の幅を有する弧を示す情報
g)緯度及び経度を示す3以上の点を結ぶ直線で構成される多角形を示す情報 - 前記速度情報は、下記h)-j)のいずれかで示される請求項2記載の端末。
h)楕円体表面上の速度を示す情報
i)楕円体表面上の速度及び垂直方向の速度を示す情報
j)楕円体表面上の速度、垂直方向の速度及び速度ベクトルの範囲を示す情報 - マスタセルグループ及びセカンダリセルグループとの通信を設定する第1のメッセージを端末に送信する送信部と、
前記第1のメッセージに基づいて設定される前記マスタセルグループを介して前記端末と通信を実行する通信部と、
前記端末が前記セカンダリセルグループとの通信に障害が発生したことを検出した場合、前記セカンダリセルグループに障害が発生したことを示す情報を含む第2のメッセージを前記端末から受信する受信部と、
前記第2のメッセージに位置情報を含めることを示す情報を前記第1のメッセージに設定する制御部とを有する基地局。
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AU2019449405A AU2019449405A1 (en) | 2019-06-07 | 2019-06-07 | Terminal and base station |
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