WO2019031212A1 - 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
- Publication number
- WO2019031212A1 WO2019031212A1 PCT/JP2018/027486 JP2018027486W WO2019031212A1 WO 2019031212 A1 WO2019031212 A1 WO 2019031212A1 JP 2018027486 W JP2018027486 W JP 2018027486W WO 2019031212 A1 WO2019031212 A1 WO 2019031212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base station
- interference
- lte
- user apparatus
- notification
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/04—Reselecting a cell layer in multi-layered cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
Definitions
- the present invention relates to a user apparatus and a base station apparatus in a wireless communication system.
- NR New Radio Access Technology
- data is divided between the base station apparatus (eNB) of the LTE system and the base station apparatus (gNB) of the NR system as in dual connectivity in the LTE system, and these data are simultaneously transmitted by these base station apparatuses.
- eNB base station apparatus
- gNB base station apparatus
- Inter-Modulation Distortion IMD
- harmonics may occur in two or more uplink transmissions.
- the generated IMD and harmonics may fall into the downlink reception band of the LTE component carrier or the NR component carrier in the user equipment (User Equipment: UE), and cause interference (inter-device interference) in the user equipment.
- the NR system is susceptible to IMD because it utilizes a wide bandwidth such as the 28 GHz band.
- IMD by two or more uplink transmissions, harmonics, etc. are not limited to dual connectivity between LTE system and NR system, and in dual connectivity between multiple wireless communication systems in which different RATs are applied. It is possible to drop into the reception band and cause intra-device interference.
- a user apparatus includes a first base station apparatus included in a first wireless communication system and a second base station apparatus included in a second wireless communication system. And an interference notification generation unit that generates an interference notification including information indicating that in-device interference in the user apparatus has been detected or that cancellation of in-device interference has been detected.
- a transmitting / receiving unit that transmits to the first base station apparatus or the second base station apparatus and receives a response to the transmitted interference notification from the first base station apparatus or the second base station apparatus; And a switching unit configured to switch an uplink transmission scheme based on a response to the interference notification.
- intra-device interference in dual connectivity between multiple wireless communication systems using different RATs can be suppressed.
- FIG. 1 is a schematic diagram illustrating a wireless communication system according to an embodiment of the present invention.
- FIG. 5 is a diagram illustrating a combination of intermodulation distortion (IMD) in LTE-NR dual connectivity. It is a block diagram which shows the function structure of the user apparatus by one Example of this invention.
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention; It is a sequence diagram which shows the IDC notification setting procedure in LTE-NR dual connectivity by one Example of this invention.
- FIG. 1 is a schematic diagram illustrating a wireless communication system according to an embodiment of the present invention.
- FIG. 5 is a diagram illustrating a combination of intermodulation distortion (IMD) in LTE-NR dual connectivity. It is a block diagram which shows the function structure of the user apparatus by one Example of this invention.
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention; It is
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention. It is a sequence diagram which shows the IDC notification setting procedure in LTE-NR dual connectivity by one Example of this invention.
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention.
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention;
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention;
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention;
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to an embodiment of the present invention;
- FIG. 7 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual
- FIG. 7 is a diagram illustrating an example of signaling on the LTE side according to an embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of signaling on the LTE side according to an embodiment of the present invention. It is a figure which shows the example of signaling of the NR side by one Example of this invention. It is a figure which shows the example of signaling of the NR side by one Example of this invention.
- FIG. 7 is a diagram illustrating an example of signaling on the LTE side according to an embodiment of the present invention. It is a figure which shows the example of signaling of the NR side by one Example of this invention. It is a block diagram which shows the hardware constitutions of the user apparatus and base station by one Example of this invention.
- user equipment supporting dual connectivity between multiple wireless communication systems utilizing different RATs ie, multi-RAT dual connectivity.
- FIG. 1 is a schematic diagram showing a wireless communication system according to one embodiment of the present invention.
- the user apparatus 100 communicably connects with base stations 201 and 202 (hereinafter referred to as a base station 200 if not distinguished from each other) provided by the LTE system and the NR system, and It supports LTE-NR dual connectivity where the base station 201 is a master base station and the base station 202 is a secondary base station. That is, the user apparatus 100 can simultaneously perform transmission or reception with the master base station 201 and the secondary base station 202 by simultaneously using a plurality of component carriers provided by the master base station 201 and the secondary base station 202. It is.
- the LTE system and the NR system each have only one base station, but in general, a large number of base stations are arranged to cover the service areas of the LTE system and the NR system.
- the user equipment according to the present disclosure is not limited to this, and dual connectivity between multiple wireless communication systems using different RATs, ie, Those skilled in the art will readily understand that the present invention is applicable to multi-RAT dual connectivity.
- LTE-NR dual connectivity intra-device interference caused by intermodulation distortion (IMD), harmonics, etc. in dual connectivity between LTE system and NR system will be described.
- IMD intermodulation distortion
- LTE-NR dual connectivity there are four typical cases where intra-device interference occurs as shown in FIG.
- NR DL downlink carrier
- the user apparatus In order to suppress intra-device interference caused by inter-modulation distortion, harmonics, etc. in LTE-NR dual connectivity as described above, the user apparatus according to the present disclosure has downlink serving carriers that are interfered by inter-modulation distortion, harmonics, etc.
- the interference notification including the indicated interfered carrier information is transmitted to the base station.
- the base station Upon receipt of the interference notification, the base station identifies the combination of uplink serving carriers that cause intra-device interference on the carriers indicated in the interfered carrier information, and uplinks by the combination of carriers that do not cause interference on the interfered carriers. Interference suppression control can be performed on the user apparatus, such as continuing dual connectivity.
- FIG. 3 is a block diagram showing a functional configuration of a user apparatus according to an embodiment of the present invention.
- the user apparatus 100 includes an interference notification generation unit 110, a transmission / reception unit 120, and a switching unit 130.
- the interference notification generation unit 110 generates, in dual connectivity between the first wireless communication system and the second wireless communication system, an interference notification including interfered carrier information indicating a serving carrier that receives intra-device interference.
- an interference notification including interfered carrier information indicating a serving carrier that receives intra-device interference.
- LTE-NR dual connectivity between LTE system and NR system a combination of uplink component carriers (eg, LTE UL + NR UL, LTE UL 1 + LTE UL 2, NR UL 1 + NR UL 2 etc. in the example shown in FIG. 2)
- the interference notification generation unit 110 receives interference when it detects that intermodulation distortion, harmonics, etc. generated due to cause interference (that is, intra-device interference) in the downlink component carrier in the user apparatus 100.
- An interference indication (“InDeviceCoexIndication") including interfered carrier information indicating the downlink component carrier is generated.
- the transmission / reception unit 120 transmits the generated interference notification to the base station 201 or 202.
- the interference report setting (“idc-Indication-MR- in" OtherConfig ") for causing the user apparatus 100 to report an interference notification indicating the interfered carrier and / or the interfered carrier due to the intra-device interference by the transmission / reception unit 120
- the interference notification generation unit 110 starts detection of in-device interference caused by intermodulation distortion, harmonics, etc. by the combination of uplink component carriers, and causes in-device interference by the combination of uplink component carriers. When detected, it generates an interference notification including interfered carrier information.
- the base station 201 or 202 transmits the interference carrier and the interfered carrier based on the interfered carrier information in the received interference notification. Identify the combination of uplink component carriers that cause internal interference.
- the base station 201 or 202 may hold in advance association information indicating a combination of uplink component carriers and a pair of downlink component carriers in which in-device interference is caused by the combination.
- the base station 201 or 202 refers to the association information, identifies the uplink component carrier corresponding to the interfered carrier reported from the user apparatus 100 as the interfering carrier, and performs interference suppression control on the user apparatus 100. It may be executed.
- the base station 201 or 202 may continue uplink dual connectivity by reassigning frequency regions or component carriers that do not fall into the interfered carriers for which intra-device interference is reported, or uplink
- the secondary cells in dual connectivity may be deactivated or deconfigured.
- the base station 201 or 202 may reconfigure primary cells and / or secondary cells of different frequencies.
- the interference notification generation unit 110 generates, for example, an empty interference notification, and the transmission / reception unit 120 transmits the interference notification to the base station 201 or 202.
- the base station 201 or 202 can determine that the in-device interference in the user apparatus 100 has been eliminated.
- the switching unit 130 switches the UL transmission method based on the information transmitted from the base station 201 or 202.
- the UL transmission scheme includes single UL transmission time-switching LTE or NR, simultaneous transmission of multiple UL carriers of LTE and NR, and the like.
- the interfered carrier information may include cell identification information of a serving carrier that is subject to interference.
- the cell identification information may be a serving cell index of the interfered serving carrier.
- the cell identification information may be a measurement object indicating information necessary for the user apparatus 100 to measure the carrier, a center frequency of the carrier, and any information specifying the center frequency (for example, EARFCN (in LTE system) E-UTRA Absolute Radio Frequency Channel Number) or the like.
- the base station 201 or 202 grasps in advance the center frequency and bandwidth of each serving cell or each measurement object, and specifies the center frequency and bandwidth of the serving cell or measurement object indicated by the received cell identification information.
- the base station 201 or 202 can identify a combination of uplink component carriers that cause intra-device interference to the interfered component carrier based on the identified center frequency and bandwidth. According to this embodiment, the base station 201 or 202 can specify the interfering carrier from the interfered carrier information without the user apparatus 100 transmitting the interfering carrier information.
- the interfered carrier information may include a specific physical resource block (PRB), a physical resource element (PRE), etc. in the interfered carrier. That is, the interference notification generation unit 110 can indicate the interfered frequency region with a finer granularity than the interfered carrier, and the base station 201 or 202 that has received the interfered carrier information performs more appropriate interference suppression control. It becomes possible to carry out.
- PRB physical resource block
- PRE physical resource element
- the interference notification may further include interfering carrier information indicating a serving carrier to which the interference is given. That is, the interference notification generation unit 110 may further include, in the interference notification, interfering carrier information indicating a combination of serving carriers that give interference. Specifically, the interfering carrier information indicates a combination of uplink component carriers that cause intra-device interference, and, for example, any measurement object of each uplink component carrier, a center frequency, and any one of specifying the center frequency Some information (eg, EARFCN in LTE system, etc.) may be used.
- interfering carrier information indicates a combination of uplink component carriers that cause intra-device interference, and, for example, any measurement object of each uplink component carrier, a center frequency, and any one of specifying the center frequency
- the interference notification may further include information indicating switching of the UL transmission scheme.
- the transmitting and receiving unit 120 transmits the interference notification generated by the interference notification generating unit 110 to the base station 201 or 202.
- the interference notification may include information indicating switching to single UL transmission in which LTE or NR is time-switched.
- the base station 201 or 202 receives the interference notification, the base station 201 or 202 switches to single UL transmission that time-shares LTE or NR.
- the base station 201 or 202 has a generation unit that generates a message for controlling the switching, and a communication unit that transmits and receives a message related to the switching.
- the switching section 130 switches the UL transmission scheme.
- the interference notification generation unit 110 generates, for example, an empty interference notification, and the transmission / reception unit 120 transmits the interference notification to the base station 201 or 202.
- the base station 201 or 202 can determine that the in-device interference in the user apparatus 100 has been eliminated, and can switch to simultaneous transmission of multiple UL carriers of LTE and NR.
- the interference notification generation unit 110 generates an interference notification including a notification to switch to simultaneous transmission of multiple UL carriers of LTE and NR, for example, and the transmission / reception unit 120 The interference notification may be sent to the base station 201 or 202.
- the base station 201 or 202 can determine that the in-device interference in the user apparatus 100 has been eliminated, and can switch to simultaneous transmission of multiple UL carriers of LTE and NR.
- the base station 201 or 202 has a generation unit that generates a message for controlling the switching, and a communication unit that transmits and receives a message related to the switching.
- the switching section 130 switches the UL transmission scheme.
- the master base station 201 configures the user apparatus 100 to report intra-device interference of both LTE component carriers and NR component carriers in LTE-NR dual connectivity.
- the user apparatus 100 detects interference on both the LTE component carrier and the NR component carrier, and the transmission / reception unit 120 transmits an interference notification including interfered carrier information and / or interfering carrier information (in the example shown, InDeviceCoexIndication ( The IDC) is transmitted to the master base station 201.
- FIG. 4 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to one embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- step S101 the master base station 201 detects intra-device interference for both LTE component carriers and NR component carriers, and indicates the detected interfered carriers and / or the interfered carriers.
- the user apparatus 100 is set to report a notification.
- step S102 when the in-device interference is detected, the user apparatus 100 transmits, to the master base station 201, an interference notification indicating the detected interfered carrier and / or the interfering carrier.
- the user apparatus 100 may report the serving cell index of the interfered carrier and the measurement object of the interfering carrier to the master base station 201 as interfered carrier information and interfering carrier information, respectively.
- the master base station 201 holds in advance association information indicating a combination of uplink component carriers and a pair with downlink component carriers in which in-device interference occurs due to the combination
- the user apparatus 100 may Alternatively, only the interfered carrier information may be transmitted to the master base station 201.
- step S103 the master base station 201 executes appropriate interference suppression control based on the received interference notification, transfers interference information received from the user apparatus 100 to the secondary base station 202, and executes appropriate interference suppression control. It instructs the secondary base station 202 to do this.
- FIG. 5 is a sequence diagram showing an IDC notification setting procedure in LTE-NR dual connectivity according to an embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- MN master base station
- SN secondary base station
- the present invention is not limited thereto, and the master base station 201 may belong to the NR system, and the secondary base station 202 may belong to the LTE system.
- step S201 the master base station (MN) 201 transmits RRC Connection Reconfiguration to the user apparatus 100, and transmits an interference notification indicating interfered carriers and / or interfering carriers due to intra-device interference.
- the user apparatus 100 is set to report (OtherConfig (idc-Indication-MR-DC).
- step S202 the user apparatus 100 transmits, to the master base station 201, RRC Connection Reconfiguration Complete indicating the completion of the setting.
- step S203 the user apparatus 100 starts detection of intra-device interference by a combination of uplink component carriers.
- step S204 the user apparatus 100 detects intra-device interference due to the combination of uplink component carriers.
- step S205 the user apparatus 100 transmits, to the master base station 201, an interference notification including interfered carrier information (eg, serving cell index, measurement object, EARFCN, etc.) indicating the interfered carrier.
- interfered carrier information eg, serving cell index, measurement object, EARFCN, etc.
- the user apparatus 100 reports not only the interfered LTE component carrier but also the NR component carrier to the master base station 201.
- the user apparatus 100 may further include, in the interference notification, interfering carrier information indicating the interfering carrier (for example, a serving cell index indicating a combination of interfering uplink component carriers, a measurement object, or an EARFCN). Similar to the interfered carrier information, the user apparatus 100 reports not only the interfered LTE component carrier but also the NR component carrier to the master base station 201.
- step S206 the master base station 201 executes appropriate interference suppression control based on the received interference notification, transfers interference information received from the user apparatus 100 to the secondary base station 202, and executes appropriate interference suppression control. It instructs the secondary base station 202 to do this.
- step S207 the master base station 201 and the secondary base station 202 execute appropriate interference suppression control on the user apparatus 100.
- step S208 when the cancellation of the in-device interference is detected, the user apparatus 100 reports the cancellation of the in-device interference to the master base station 201 by transmitting an empty IDC notification.
- the user equipment 100 is configured to report intra-device interference.
- the transmitting / receiving unit 120 transmits an interference notification indicating the interfered carrier information and / or the interfering carrier information on the wireless communication system of the master base station 201 to the master base station 201, and relates to the wireless communication system of the secondary base station 202.
- An interference notification indicating interfered carrier information and / or interfering carrier information is transmitted to the secondary base station 202.
- the user apparatus 100 masters an interference notification including interference carrier information and / or interfering carrier information on LTE component carriers. It transmits to the station 201 and transmits to the secondary base station 202 an interference notification including interfered carrier information and / or interfering carrier information on the NR component carrier.
- FIG. 6 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to one embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- the master base station 201 detects intra-device interference for a component carrier of the wireless communication system to which the master base station 201 belongs, and detects the detected interfered carrier and / or the interfering carrier.
- the user apparatus 100 is set to report an interference notification to be shown.
- step S301 b the secondary base station 202 detects intra-device interference for the component carrier of the wireless communication system to which the secondary base station 202 belongs, and reports the interference notification indicating the detected interfered carrier and / or interfering carrier. Set in the device 100.
- step S302a when intra-device interference is detected for a component carrier of the wireless communication system to which the master base station 201 belongs, the user apparatus 100 sends an interference notification indicating the detected interfered carrier and / or the interfering carrier to the master base station 201.
- the user apparatus 100 may report the serving cell index of the interfered carrier and the measurement object of the interfering carrier to the master base station 201 as interfered carrier information and interfering carrier information, respectively.
- the master base station 201 belongs to an LTE system
- the user apparatus 100 transmits, to the master base station 201, an interference notification indicating an interfered LTE component carrier and / or an interfering LTE component carrier.
- the user apparatus 100 may Alternatively, only the interfered carrier information may be transmitted to the master base station 201.
- step S302b when detecting in-device interference for a component carrier of the wireless communication system to which the secondary base station 202 belongs, the user apparatus 100 sends an interference notification indicating the detected interfered carrier and / or the interfering carrier to the secondary base station 202.
- the user apparatus 100 may report the serving cell index of the interfered carrier and the measurement object of the interfering carrier to the secondary base station 202 as interfered carrier information and interfering carrier information, respectively.
- the user apparatus 100 transmits, to the secondary base station 202, an interference notification indicating an interfered NR component carrier and / or an interfering NR component carrier.
- the user apparatus 100 may Alternatively, only the interfered carrier information may be transmitted to the secondary base station 202.
- step S303a the master base station 201 executes appropriate interference suppression control based on the received interference notification.
- step S303b the secondary base station 202 instructs the secondary base station 202 to execute appropriate interference suppression control based on the received interference information.
- FIG. 7 is a sequence diagram showing an IDC notification setting procedure in LTE-NR dual connectivity according to an embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- MN master base station
- SN secondary base station
- the present invention is not limited thereto, and the master base station 201 may belong to the NR system, and the secondary base station 202 may belong to the LTE system.
- step S401 the master base station (MN) 201 transmits RRC Connection Reconfiguration to the user apparatus 100, and for the LTE component carrier, the interfered carrier and / or the interfered carrier by intra-device interference.
- the user apparatus 100 is set to report an interference notification to indicate (OtherConfig (idc-Indication-MR-DC)).
- step S402 the user apparatus 100 transmits, to the master base station 201, RRC Connection Reconfiguration Complete indicating the completion of the setting.
- step S403 the user apparatus 100 starts detection of intra-device interference with a combination of uplink component carriers for the LTE system.
- step S404 the secondary base station (SN) 202 transmits RRC Connection Reconfiguration to the user apparatus 100, and reports the interference notification indicating the interfered carrier and / or the interfered carrier due to the in-device interference for the NR component carrier. It sets to the apparatus 100 (OtherConfig (idc-Indication-MR-DC)).
- step S405 the user apparatus 100 transmits, to the secondary base station 202, RRC Connection Reconfiguration Complete indicating the completion of the setting.
- step S406 the user apparatus 100 starts the detection of intra-device interference by the combination of uplink component carriers for the NR system.
- step S407 the user apparatus 100 detects intra-device interference due to the combination of uplink component carriers for the LTE system.
- the user apparatus 100 transmits, to the master base station 201, an interference notification including interfered carrier information (eg, serving cell index, measurement object, EARFCN, etc.) indicating the interfered LTE component carrier.
- the user apparatus 100 may further include, in the interference notification, interfering carrier information indicating the interfering LTE component carrier (for example, a serving cell index indicating a combination of the interfering uplink LTE component carrier, a measurement object, or an EARFCN). .
- step S409 the user apparatus 100 detects intra-device interference due to the combination of uplink component carriers for the NR system.
- step S410 the user apparatus 100 transmits, to the secondary base station 202, an interference notification including interfered carrier information (for example, a serving cell index, a measurement object, or information identifying a measurement object) indicating an interfered NR component carrier. Also, the user apparatus 100 further performs interference notification of interfering carrier information (for example, a serving cell index indicating a combination of interfering uplink NR component carriers, measurement object or measurement object, etc.) indicating the interfering NR component carrier. May be included in
- step S411 the master base station 201 and the secondary base station 202 execute appropriate interference suppression control based on the received interference notification.
- step S412 when the cancellation of the in-device interference in the LTE system is detected, the user apparatus 100 reports to the master base station 201 that the in-device interference has been canceled for the LTE component carrier by transmitting an empty IDC notification. Do.
- step S413 when the cancellation of the in-device interference in the NR system is detected, the user apparatus 100 reports to the secondary base station 202 that the in-device interference has been canceled for the NR component carrier by transmitting an empty IDC notification. Do.
- interference report setting for causing the secondary base station 202 to report in-device interference to the user apparatus 100 for the component carrier of the wireless communication system to which the secondary base station 202 belongs (for example, inter by RRC or X2 / Xn interface) And transmits the (-node message) to the master base station 201.
- the master base station 201 sets the received interference report configuration to the user apparatus 100 so as to report the in-device interference on the component carrier of the wireless communication system to which the master base station 201 belongs in the RRC Connection Reconfiguration while including RRC Connection Reconfiguration. .
- the transmission / reception unit 120 transmits the interfered carrier information and / or the wireless communication system of the secondary base station 202 to the interference notification indicating the interfered carrier information and / or the interfering carrier information related to the wireless communication system of the master base station 201.
- the interference notification (IDC) for the master base station 201 and the interference notification (IDC) for the secondary base station 202 are transmitted to the master base station 201 by including the interference notification indicating the interfering carrier information. That is, in this embodiment, the interference notification for the master base station 201 and the interference notification for the secondary base station 202 are separately generated, and the interference notification for the secondary base station 202 is an interference notification for the master base station 201. It is encapsulated and transmitted to the secondary base station 202 via the master base station 201.
- FIG. 8 is a schematic diagram illustrating an IDC notification setup procedure in LTE-NR dual connectivity according to one embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- the secondary base station 202 sets interference report (for example, RRC) to cause the user apparatus 100 to report intra-device interference on a component carrier of the wireless communication system to which the secondary base station 202 belongs. Or transmits an inter-node message) via the X2 / Xn interface to the master base station 201.
- interference report for example, RRC
- the master base station 201 detects intra-device interference for a component carrier of the wireless communication system to which the master base station 201 belongs, and reports the interference notification indicating the detected interfered carrier and / or interfering carrier.
- the interference report setting received from the secondary base station 202 is transmitted to the user apparatus 100 while being set in the apparatus 100.
- the user apparatus 100 transmits an interference notification for the master base station 201 indicating the detected interfered carrier and / or the interfering carrier.
- the master base station 201 belongs to an LTE system
- the user apparatus 100 generates an interference notification for the master base station 201 indicating an interfered LTE component carrier and / or an interfering LTE component carrier.
- the user apparatus 100 may , And may generate an interference notification for the master base station 201 including only the interfered carrier information.
- the user apparatus 100 when detecting in-device interference for a component carrier of the wireless communication system to which the secondary base station 202 belongs, the user apparatus 100 generates an interference notification for the secondary base station 202 indicating the detected interfered carrier and / or the interfering carrier. Do. For example, when the secondary base station 202 belongs to the NR system, the user apparatus 100 generates an interference notification for the secondary base station 202 indicating the interfered NR component carrier and / or the interfering NR component carrier.
- the user apparatus 100 may , And may generate an interference notification for the secondary base station 202 that includes only the interfered carrier information.
- the user apparatus 100 After generating the interference notification for the master base station 201 and the interference notification for the secondary base station 202, the user apparatus 100 encapsulates the interference notification for the secondary base station 202 in the interference notification for the master base station 201 or By including, the interference notification for the master base station 201 and the interference notification for the secondary base station 202, which are individually generated, are transmitted to the master base station 201.
- step S504a the master base station 201 extracts the interference notification for the secondary base station 202 from the received interference notification for the master base station 201, and transfers the extracted interference notification for the secondary base station 202 to the secondary base station 202. At the same time, appropriate interference suppression control is performed based on the interference notification for the master base station 201.
- step S504 b the secondary base station 202 executes appropriate interference suppression control based on the received interference information for the secondary base station 202.
- interference report setting for causing the user apparatus 100 to report in-device interference on the component carrier of the wireless communication system to which the master base station 201 belongs in the master base station 201 (for example, inter by the RRC or X2 / Xn interface) Send the -node message) to the secondary base station 202.
- the secondary base station 202 includes the RRC Connection Reconfiguration and sets the received interference report configuration in the user apparatus 100 to report the in-device interference on the component carrier of the wireless communication system to which the secondary base station 202 belongs in the RRC Connection Reconfiguration. .
- the transmitting / receiving unit 120 transmits the interfered carrier information and / or the concerned wireless communication system of the master base station 201 to the interference notification indicating the interfered carrier information and / or the interfering carrier information related to the wireless communication system of the secondary base station 202.
- the interference notification (IDC) for the master base station 201 and the interference notification (IDC) for the secondary base station 202 are transmitted to the secondary base station 202 by including the interference notification indicating the interfering carrier information. That is, in this embodiment, the interference notification for the master base station 201 and the interference notification for the secondary base station 202 are separately generated, and the interference notification for the master base station 201 is an interference notification for the secondary base station 202. It is encapsulated and transmitted to the master base station 201 via the secondary base station 202.
- FIG. 9 is a schematic diagram illustrating an IDC notification setting procedure in LTE-NR dual connectivity according to an embodiment of the present invention.
- the IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being set.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- step S601 the master base station 201 performs interference report configuration (for example, RRC) to cause the user apparatus 100 to report intra-device interference on a component carrier of the wireless communication system to which the master base station 201 belongs. Or transmits an inter-node message) through the X2 / Xn interface to the secondary base station 202.
- interference report configuration for example, RRC
- RRC radio resource control
- the secondary base station 202 detects intra-device interference for a component carrier of the wireless communication system to which the secondary base station 202 belongs, and reports the interference notification indicating the detected interfered carrier and / or interfering carrier.
- the interference report setting received from the master base station 201 is transmitted to the user apparatus 100 while being set in the apparatus 100.
- step S603 when intra-device interference is detected for the component carrier of the wireless communication system to which the master base station 201 belongs, the user apparatus 100 transmits an interference notification for the master base station 201 indicating the detected interfered carrier and / or the interfering carrier.
- the master base station 201 belongs to an LTE system
- the user apparatus 100 generates an interference notification for the master base station 201 indicating an interfered LTE component carrier and / or an interfering LTE component carrier.
- the user apparatus 100 may , And may generate an interference notification for the master base station 201 including only the interfered carrier information.
- the user apparatus 100 when detecting in-device interference for a component carrier of the wireless communication system to which the secondary base station 202 belongs, the user apparatus 100 generates an interference notification for the secondary base station 202 indicating the detected interfered carrier and / or the interfering carrier. Do. For example, when the secondary base station 202 belongs to the NR system, the user apparatus 100 generates an interference notification for the secondary base station 202 indicating the interfered NR component carrier and / or the interfering NR component carrier.
- the user apparatus 100 may , And may generate an interference notification for the secondary base station 202 that includes only the interfered carrier information.
- the user apparatus 100 After generating the interference notification for the master base station 201 and the interference notification for the secondary base station 202, the user apparatus 100 encapsulates the interference notification for the master base station 201 in the interference notification for the secondary base station 202 or By including, the interference notification for the master base station 201 and the interference notification for the secondary base station 202, which are individually generated, are transmitted to the secondary base station 202.
- step S604a the secondary base station 202 extracts the interference notification for the master base station 201 from the received interference notification for the secondary base station 202, and transfers the extracted interference notification for the master base station 201 to the master base station 201. At the same time, appropriate interference suppression control is performed based on the interference notification for the secondary base station 202.
- step S604b the master base station 201 executes appropriate interference suppression control based on the received interference information for the master base station 201.
- the transceiver unit 120 may transmit an interference notification to the base station 201 or 202 that provides the interfered serving carrier or the interfering serving carrier. Specifically, it is assumed that the interference notification is sent to the base station 201 or 202 which provides the interfered serving carrier. At this time, when the interfered serving carrier is an LTE component carrier and the base station 201 belongs to the LTE system, the transmission / reception unit 120 transmits an interference notification to the base station 201. On the other hand, suppose that the interference notification is sent to the base station 201 or 202 which provides the interfering serving carrier. At this time, when the interfering serving carrier is an NR component carrier and the base station 202 belongs to the NR system, the transmission / reception unit 120 transmits an interference notification to the base station 202.
- the user apparatus 100 may use the master base station 201 and the secondary base station 202.
- the interference notification may be transmitted to both of them, or may be transmitted to only one of the master base station 201 and the secondary base station 202.
- the transceiver unit 120 may transmit an interference notification to the designated base station 201 and / or the base station 202.
- the transmission destination of the interference notification may be designated by the base station 201 or 202 when setting the interference report setting in OtherConfig in RRC Connection Reconfiguration.
- the interference notification may further include a transmit power margin or a transmit power value. That is, when detecting in-device interference, the user apparatus 100 may transmit the power headroom at the time of detection or the actual transmission power value to the base station 201 and / or the base station 202. As a result, the base station 201 and / or the base station 202 can confirm the transmission power value causing the in-device interference, and realize interference suppression by controlling the user apparatus 100 to lower the transmission power. be able to.
- the interference notification may further include radio resources used by the uplink component carrier. That is, when detecting in-device interference, the user apparatus 100 may transmit the radio resource used by the uplink component carrier at the time of detection to the base station 201 and / or the base station 202.
- the radio resource may be a physical resource block (PRB), a physical resource element (PRE) or the like used in each uplink component carrier that has given interference.
- PRB physical resource block
- PRE physical resource element
- the base station 201 and / or the base station 202 can confirm the frequency domain of each interfering carrier that has generated intra-device interference, and can realize interference suppression by allocating different frequency domains. it can.
- FIG. 10 is a schematic diagram illustrating an IDC notification setting procedure in LTE-NR dual connectivity according to an embodiment of the present invention.
- the said IDC notification setting procedure may be started, for example, in response to LTE-NR dual connectivity being configured and multiple UL carriers of LTE and NR being simultaneously transmitted from the user apparatus 100.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- step S701 the master base station 201 detects intra-device interference for both LTE component carriers and NR component carriers, and indicates the detected interfered carriers and / or the interfered carriers.
- the user apparatus 100 is set to report a notification.
- step S702 when detecting the in-device interference, that is, the IDC problem, the user apparatus 100 transmits, to the master base station 201, an interference notification that indicates the detected interfered carrier and / or the interfering carrier, that is, the IDC indication.
- the user apparatus 100 may report the serving cell index of the interfered carrier and the measurement object of the interfering carrier to the master base station 201 as interfered carrier information and interfering carrier information, respectively.
- the user apparatus 100 may Alternatively, only the interfered carrier information may be transmitted to the master base station 201.
- the master base station 201 performs switching to single UL transmission in which LTE or NR is time division.
- the master base station 201 may transmit information necessary for performing the switching, for example, a UL transmission timing pattern indicating transmission periods of LTE and NR to the secondary base station 202 via an inter-node message.
- the master base station 201 may transmit the UL transmission timing pattern to the user apparatus 100 via, for example, an RRC message.
- the above-described UL transmission timing pattern may be semi-statically shared by the master base station 201, the secondary base station 202, and the user apparatus 100.
- the user apparatus 100, the master base station 201, and the secondary base station 202 start single UL transmission which time-shares LTE or NR. That is, the switching unit 130 of the user apparatus 100 switches the UL transmission scheme from single UL carrier simultaneous transmission of LTE and NR to single UL transmission in which LTE or NR is time division.
- step S704 when detecting that the IDC problem has been resolved, the user apparatus 100 transmits, to the master base station 201, an IDC indication [empty] indicating that the IDC problem has been eliminated.
- step S705 when the master base station 201 receives the IDC indication [empty], the master base station 201 performs switching to simultaneous transmission of multiple UL carriers of LTE and NR.
- the master base station 201 transmits information necessary for performing the switching to the secondary base station 202 via an inter-node message, and transmits the information to the user apparatus 100 via, for example, an RRC message.
- the user apparatus 100, the master base station 201, and the secondary base station 202 start simultaneous transmission of multiple UL carriers of LTE and NR. That is, the switching unit 130 of the user apparatus 100 switches the UL transmission scheme from single UL transmission in which LTE or NR is time-shared to simultaneous transmission of multiple UL carriers of LTE and NR.
- steps S701 to S705 operations of the master base station 201 and the secondary base station 202 may be exchangeable. That is, secondary base station 202 may set the IDC indication to user apparatus 100 in step S701, or in step S702 or step S704, even if user apparatus 100 notifies IDC indication to secondary base station 202. Good.
- the user apparatus 100 can start single UL transmission in which LTE or NR is time-divided by transmitting an IDC indication to the master base station 201 to suppress intra-device interference. it can. Also, by transmitting IDC indication [empty] to the master base station 201, the user apparatus 100 can start simultaneous transmission of multiple UL carriers of LTE and NR, return to dual connectivity, and improve throughput. .
- FIG. 11 is a schematic diagram illustrating an IDC notification setting procedure in LTE-NR dual connectivity according to an embodiment of the present invention. Similar to the IDC notification setting procedure shown in FIG. 10, the IDC notification setting procedure responds, for example, that LTE-NR dual connectivity is set and that multiple UL carriers of LTE and NR are simultaneously transmitted from the user apparatus 100. May be started.
- the master base station 201 and the secondary base station 202 may belong to the LTE system and the NR system, respectively, or the master base station 201 and the secondary base station 202 may belong to the NR system and the LTE system, respectively.
- step S801 the master base station 201 detects intra-device interference for both LTE component carriers and NR component carriers, and indicates the detected interfered carriers and / or the interfered carriers.
- the user apparatus 100 is set to report a notification.
- step S802 when detecting the in-device interference, that is, the IDC problem, the user apparatus 100 transmits, to the master base station 201, a notification of switching to single UL transmission that time-shares LTE or NR.
- the switching notification may be a notification included in the IDC indication or a notification not included in the IDC indication.
- step S803 when the master base station 201 receives the notification of switching to single UL transmission that time-shares LTE or NR, the master base station 201 performs switching to single UL transmission that time-divisions LTE or NR.
- the master base station 201 may transmit information necessary for performing the switching, for example, a UL transmission timing pattern indicating transmission periods of LTE and NR to the secondary base station 202 via an inter-node message.
- the master base station 201 may transmit the UL transmission timing pattern to the user apparatus 100 via, for example, an RRC message.
- the above-described UL transmission timing pattern may be semi-statically shared by the master base station 201, the secondary base station 202, and the user apparatus 100.
- step S803 the user apparatus 100, the master base station 201, and the secondary base station 202 start single UL transmission which time-shares LTE or NR. That is, the switching unit 130 of the user apparatus 100 switches the UL transmission scheme from single UL carrier simultaneous transmission of LTE and NR to single UL transmission in which LTE or NR is time division.
- step S804 when detecting that the IDC problem has been resolved, the user apparatus 100 transmits, to the master base station 201, a notification of switching to simultaneous transmission of multiple UL carriers of LTE and NR.
- the switching notification may be a notification included in the IDC indication or a notification not included in the IDC indication.
- step S805 when the master base station 201 receives the notification of switching to simultaneous transmission of multiple UL carriers of LTE and NR, the master base station 201 performs switching to simultaneous transmission of multiple UL carriers of LTE and NR.
- the master base station 201 transmits information necessary for performing the switching to the secondary base station 202 via an inter-node message, and transmits the information to the user apparatus 100 via, for example, an RRC message.
- the user apparatus 100, the master base station 201, and the secondary base station 202 start simultaneous transmission of multiple UL carriers of LTE and NR. That is, the switching unit 130 of the user apparatus 100 switches the UL transmission scheme from single UL transmission in which LTE or NR is time-shared to simultaneous transmission of multiple UL carriers of LTE and NR.
- steps S801 to S805 operations of the master base station 201 and the secondary base station 202 may be exchangeable. That is, in step S801, the secondary base station 202 may set the IDC indication to the user apparatus 100, or in step S802 or step S804, the user apparatus 100 transmits a transmission switching notification to the secondary base station 202. It is also good.
- the user apparatus 100 transmits, to the master base station 201, a notification of switching to single UL transmission that performs time division of LTE or NR, thereby performing single UL transmission that performs time division of LTE or NR. Initiation can suppress intra-device interference. Also, the user apparatus 100 transmits a switch to simultaneous transmission of multiple UL carriers of LTE and NR to the master base station 201, thereby starting simultaneous transmission of multiple UL carriers of LTE and NR, and returns to dual connectivity, Throughput can be improved.
- the user apparatus 100 may transmit an interference notification to the base station 201 or 202 belonging to the LTE system by an "InDeviceCoexIndication message" as shown in FIG.
- the information element “affectedCarrierFreqComList” indicates the interfering carrier information
- the information element “victimCarrierList” indicates the interfered carrier information.
- the information element “powerHeadroom” indicates a transmit power surplus or a transmit power value.
- the base station 201 or 202 belonging to the LTE system causes the user apparatus 100 to detect intra-device interference by setting the information element "idc-Indication-MR-DC" in "OtherConfig" as shown in FIG. It may be set to report interference notification.
- the user apparatus 100 may transmit an interference notification to the base station 201 or 202 belonging to the NR system by the “InDeviceCoexIndication message” as shown in FIG.
- the information element "affectedCarrierFreqComListNR” indicates the interfering carrier information
- the information element "victimCarrierListNR” indicates the interfered carrier information
- the information element "powerHeadroom” indicates a transmit power surplus or a transmit power value.
- the base station 201 or 202 belonging to the NR system causes the user apparatus 100 to detect intra-device interference by setting the information element "idc-Indication-MR-DC" in "OtherConfig" as shown in FIG. It may be set to report interference notification.
- the user apparatus 100 may transmit an interference notification to the base station 201 or 202 belonging to the LTE system by the “InDeviceCoexIndication message” as shown in FIG. .
- the information element “affectedCarrierFreqComList” indicates the interfering carrier information
- the information element “victimCarrierList” indicates the interfered carrier information.
- the information element “powerHeadroom” indicates a transmit power surplus or a transmit power value.
- an information element "nr-IndeviceCoexInd-Container” indicates interfered carrier information and / or interfering carrier information of the NR component carrier to be transferred to the base station 202 or 201 belonging to the NR system.
- the user apparatus 100 may transmit an interference notification to the base station 201 or 202 belonging to the NR system by the "InDeviceCoexIndication message" as shown in FIG.
- the information element "affectedCarrierFreqComListNR” indicates the interfering carrier information
- the information element "victimCarrierListNR” indicates the interfered carrier information.
- the information element "powerHeadroom” indicates a transmit power surplus or a transmit power value.
- an information element "eutra-IndeviceCoexInd-Container” indicates interfered carrier information and / or interfering carrier information of the NR component carrier to be transferred to the base station 202 or 201 belonging to the LTE system.
- each functional block may be realized by one physically and / or logically coupled device, or directly and / or indirectly two or more physically and / or logically separated devices. It may be connected by (for example, wired and / or wireless) and realized by the plurality of devices.
- the user apparatus 100 and the base station 200 in one embodiment of the present invention may function as a computer that performs the processing of the wireless communication method of the present invention.
- FIG. 18 is a block diagram showing the hardware configuration of the user apparatus 100 and the base station 200 according to an embodiment of the present invention.
- the above-described user apparatus 100 and base station 200 may be physically configured as a computer apparatus including a processor 1001, a memory 1002, a storage 1003, a communication apparatus 1004, an input apparatus 1005, an output apparatus 1006, a bus 1007 and the like. .
- the term “device” can be read as a circuit, a device, a unit, or the like.
- the hardware configuration of the user apparatus 100 and the base station 200 may be configured to include one or more of the devices illustrated in the drawing, or may be configured without including some devices.
- Each function in the user apparatus 100 and the base station 200 causes the processor 1001 to perform an operation by reading predetermined software (program) on hardware such as the processor 1001, the memory 1002, and the like, communication by the communication apparatus 1004, and memory This is realized by controlling reading and / or writing of data in the storage 1002 and the storage 1002.
- predetermined software program
- the processor 1001 operates, for example, an operating system to control the entire computer.
- the processor 1001 may be configured by a central processing unit (CPU) including an interface with a peripheral device, a control device, an arithmetic device, a register, and the like.
- CPU central processing unit
- each component described above may be implemented by the processor 1001.
- the processor 1001 reads a program (program code), a software module or data from the storage 1003 and / or the communication device 1004 to the memory 1002, and executes various processing according to these.
- a program a program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
- processing by each component of the user apparatus 100 and the base station 200 may be realized by a control program stored in the memory 1002 and operated by the processor 1001, and may be realized similarly for other functional blocks.
- the various processes described above have been described to be executed by one processor 1001, but may be executed simultaneously or sequentially by two or more processors 1001.
- the processor 1001 may be implemented by one or more chips.
- the program may be transmitted from the network via a telecommunication line.
- the memory 1002 is a computer readable recording medium, and includes, for example, at least one of a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Erasable Programmable ROM), and a RAM (Random Access Memory). It may be done.
- the memory 1002 may be called a register, a cache, a main memory (main storage device) or the like.
- the memory 1002 can store a program (program code), a software module, and the like that can be executed to implement the wireless communication method according to an embodiment of the present invention.
- the storage 1003 is a computer readable recording medium, and for example, an optical disc such as a CD-ROM (Compact Disc ROM), a hard disc drive, a flexible disc, a magneto-optical disc (eg, a compact disc, a digital versatile disc, a Blu-ray A (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 may be used.
- the storage 1003 may be called an auxiliary storage device.
- the above-mentioned storage medium may be, for example, a database including the memory 1002 and / or the storage 1003, a server or any other suitable medium.
- the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, or the like.
- a network device for example, a network controller, a network card, a communication module, or the like.
- each component described above may be realized by the communication device 1004.
- the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, and the like) 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 performs output to the outside.
- the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
- bus 1007 for communicating information.
- the bus 1007 may be configured by a single bus or may be configured by different buses among the devices.
- the user apparatus 100 and the base station 200 include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA).
- the hardware may be configured, and part or all of each functional block may be realized by the hardware.
- processor 1001 may be implemented in at least one of these hardware.
- the first base station apparatus included in the first wireless communication system, and the second base station apparatus included in the second wireless communication system An interference notification generation unit configured to generate an interference notification including information indicating that in-device interference in the user device has been detected or cancellation of in-device interference has been detected;
- the interference notification is transmitted to the first base station apparatus or the second base station apparatus, and the transmitted response to the interference notification is received from the first base station apparatus or the second base station apparatus.
- a user apparatus having a transmission / reception unit and a switching unit that switches an uplink transmission scheme based on a response to the interference notification.
- the user apparatus can suppress interference due to intermodulation distortion in dual connectivity between a plurality of wireless communication systems using different RATs by switching the uplink transmission scheme.
- the uplink transmission scheme a first transmission scheme in which transmission to the first base station apparatus and transmission to the second base station apparatus are performed in parallel, and to the first base station apparatus And a second transmission scheme for switching between transmission to the second base station apparatus and transmission in time division,
- the uplink transmission scheme may be switched between the first transmission scheme and the second transmission scheme.
- the uplink transmission scheme is switched from the first transmission scheme to the second transmission scheme, and the user The uplink transmission scheme may be switched from the second transmission scheme to the first transmission scheme when the interference notification includes information indicating that in-device interference cancellation has been detected.
- the user apparatus can suppress intra-device interference by switching the uplink transmission scheme between simultaneous transmission of multiple carriers and single transmission.
- the interference notification may include information indicating that the uplink transmission scheme should be switched.
- the user apparatus can notify the base station apparatus to switch the uplink transmission scheme based on the detection condition of the in-device interference.
- the response to the interference notification includes a transmission timing pattern indicating the timing of switching between transmission to the first base station apparatus and transmission to the second base station apparatus in the second communication scheme in a time division manner. It may be With this configuration, the user apparatus can appropriately perform communication after switching the uplink transmission scheme.
- a base station apparatus connected to a user apparatus that is included in a first wireless communication system and that communicates with a second base station apparatus included in a second wireless communication system, and receives an interference notification from the user apparatus
- a base that transmits a message to the user apparatus and the second base station apparatus, and a generation unit that generates a message related to switching of the uplink transmission scheme based on the notification of interference and the interference notification.
- a station apparatus is provided.
- the base station apparatus can suppress interference due to intermodulation distortion in dual connectivity between a plurality of wireless communication systems using different RATs by switching the uplink transmission scheme.
- the operations of multiple functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by multiple components.
- the order of processing may be changed as long as there is no contradiction.
- the user apparatus 100 and the base station 200 have been described using functional block diagrams for the convenience of the processing description, such an apparatus may be realized in hardware, software or a combination thereof.
- the software operated by the processor of the base station 200 according to the embodiment of the present invention and the software operated by the processor of the user apparatus 100 according to the embodiment of the present invention are random access memory (RAM), flash memory, read only It may be stored in memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server or any other suitable storage medium.
- notification of information is not limited to the aspect / embodiment described herein, and may be performed by other methods.
- notification of information may be physical layer signaling (for example, Downlink Control Information (DCI), Uplink Control Information (UCI)), upper layer signaling (for example, Radio Resource Control (RRC) signaling, Medium Access Control (MAC) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof.
- RRC signaling may be referred to as an RRC message, and may be, for example, an RRC connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
- Each aspect / example described in this specification is LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G, 5G, FRA (Future Radio Access), W-CDMA (Registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, UWB (Ultra-Wide Band),
- the present invention may be applied to a system utilizing Bluetooth (registered trademark), other appropriate systems, and / or an advanced next-generation system based on these.
- the specific operation supposed to be performed by the base station 200 in this specification may be performed by the upper node in some cases.
- the various operations performed for communication with the terminals may be the base station and / or other network nodes other than the base station (eg, It is clear that it may be performed by MME or S-GW etc but not limited to these).
- MME Mobility Management Entity
- S-GW Serving Mobility Management Entity
- Information and the like may be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input and output may be performed via a plurality of network nodes.
- the input / output information or the like may be stored in a specific place (for example, a memory) or may be managed by a management table. Information to be input or output may be overwritten, updated or added. The output information etc. may be deleted. The input information or the like may be transmitted to another device.
- the determination may be performed by a value (0 or 1) represented by one bit, may be performed by a boolean value (Boolean: true or false), or may be compared with a numerical value (for example, a predetermined value). Comparison with the value).
- notification of predetermined information is not limited to what is explicitly performed, but is performed by implicit (for example, not notifying of the predetermined information) It is also good.
- Software may be called software, firmware, middleware, microcode, hardware description language, or any other name, and may be instructions, instruction sets, codes, code segments, program codes, programs, subprograms, software modules. Should be interpreted broadly to mean applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, etc.
- software, instructions, etc. may be sent and received via a transmission medium.
- software may use a wireline technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or a website, server or other using wireless technology such as infrared, radio and microwave When transmitted from a remote source, these wired and / or wireless technologies are included within the definition of transmission medium.
- wireline technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or a website, server or other using wireless technology such as infrared, radio and microwave
- data, instructions, commands, information, signals, bits, symbols, chips etc may be voltage, current, electromagnetic waves, magnetic fields or particles, optical fields or photons, or any of these May be represented by a combination of
- the channels and / or symbols may be signals.
- the signal may be a message.
- the component carrier (CC) may be called a carrier frequency, a cell or the like.
- system and "network” as used herein are used interchangeably.
- radio resources may be indexed.
- a base station can accommodate one or more (e.g., three) cells (also called sectors). If the 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 base station RRH for indoor use: Remote Communication service can also be provided by Radio Head.
- the terms “cell” or “sector” refer to a part or all of the coverage area of a base station and / or a base station subsystem serving communication services in this coverage.
- base station “eNB”, “cell” and “sector” may be used interchangeably herein.
- a base station may be called in terms of a fixed station (Node station), NodeB, eNodeB (eNB), access point (access point), femtocell, small cell, and the like.
- the mobile station may be a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, by those skilled in the art. It may also be called a terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term.
- determining may encompass a wide variety of operations.
- “Decision”, “decision” are, for example, calculating, computing, processing, deriving, investigating, looking up (eg, table, database or another) Search in data structures), ascertaining may be considered as “judgement” or “decision”.
- “determination” and “determination” are receiving (e.g. receiving information), transmitting (e.g. transmitting information), input (input), output (output), access (accessing) (for example, accessing data in a memory) may be regarded as “judged” or “decided”.
- connection means any direct or indirect connection or coupling between two or more elements, It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled”.
- the coupling or connection between elements may be physical, logical or a combination thereof.
- the two elements are by using one or more wires, cables and / or printed electrical connections, and radio frequency as some non-limiting and non-exclusive examples. It can be considered “connected” or “coupled” to one another by using electromagnetic energy such as electromagnetic energy having wavelengths in the region, microwave region and light (both visible and invisible) regions.
- the reference signal may be abbreviated as RS (Reference Signal), and may be called a pilot (Pilot) according to the applied standard.
- RS Reference Signal
- Pilot pilot
- the phrase “based on” does not mean “based only on,” unless expressly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
- any reference to an element using the designation "first,” “second,” etc. as used herein does not generally limit the quantity or order of those elements. These designations may be used herein as a convenient way of distinguishing between two or more elements. Thus, reference to the first and second elements does not mean that only two elements can be taken there, or that in any way the first element must precede the second element.
- each device described above may be replaced with a “unit”, a “circuit”, a “device” or the like.
- a radio frame may be comprised of one or more frames in the time domain. Each frame or frames in the time domain may be referred to as subframes. A subframe may be further comprised of one or more slots in the time domain. A slot may further be configured with one or more symbols (OFDM symbols, SC-FDMA symbols, etc.) in the time domain. A radio frame, a subframe, a slot, and a symbol all represent time units in transmitting a signal. A radio frame, a subframe, a slot, and a symbol may be another name corresponding to each. For example, in the LTE system, the base station performs scheduling to assign radio resources (such as frequency bandwidth and transmission power that can be used in each mobile station) to each mobile station.
- radio resources such as frequency bandwidth and transmission power that can be used in each mobile station
- the minimum time unit of scheduling may be called a TTI (Transmission Time Interval).
- TTI Transmission Time Interval
- one subframe may be called a TTI
- a plurality of consecutive subframes may be called a TTI
- one slot may be called a TTI.
- a resource block (RB) is a resource allocation unit in time domain and frequency domain, and may include one or more consecutive subcarriers in the frequency domain.
- the time domain of a resource block may include one or more symbols, and may be one slot, one subframe, or one TTI long.
- One TTI and one subframe may be configured of one or more resource blocks, respectively.
- the above-described radio frame structure is merely an example, and the number of subframes included in the radio frame, the number of slots included in the subframe, the number of symbols and resource blocks included in the slots, and the sub The number of carriers can vary.
- interference notification generation unit 120 transmission / reception unit 130 switching unit 201, 202 base station
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
前記上りリンク送信方式の切り替えは、前記第1の送信方式と前記第2の送信方式とを切り替えてもよい。当該構成により、ユーザ装置は、上りリンク送信方式を切り替えることで、デバイス内干渉を抑止することができる。
110 干渉通知生成部
120 送受信部
130 切替部
201,202 基地局
Claims (6)
- 第1の無線通信システムに含まれる第1の基地局装置と、第2の無線通信システムに含まれる第2の基地局装置とに、通信を行うユーザ装置であって、
前記ユーザ装置におけるデバイス内干渉が検出されたこと又はデバイス内干渉の解消が検出されたことを示す情報を含む干渉通知を生成する干渉通知生成部と、
前記干渉通知を前記第1の基地局装置又は前記第2の基地局装置に送信し、送信された前記干渉通知の応答を前記第1の基地局装置又は前記第2の基地局装置から受信する送受信部と、
前記干渉通知の応答に基づいて、上りリンク送信方式を切り替える切替部とを有するユーザ装置。 - 前記上りリンク送信方式は、前記第1の基地局装置への送信と前記第2の基地局装置への送信とを並行して実行する第1の送信方式と、前記第1の基地局装置への送信と前記第2の基地局装置への送信とを時分割で切り替えて実行する第2の送信方式とを含み、
前記上りリンク送信方式の切り替えは、前記第1の送信方式と前記第2の送信方式との切り替えである請求項1記載のユーザ装置。 - 前記ユーザ装置におけるデバイス内干渉が検出されたことを示す情報が前記干渉通知に含まれる場合、前記上りリンク送信方式は、前記第1の送信方式から前記第2の送信方式へ切り替えられ、
前記ユーザ装置におけるデバイス内干渉の解消が検出されたことを示す情報が前記干渉通知に含まれる場合、前記上りリンク送信方式は、前記第2の送信方式から前記第1の送信方式へ切り替えられる請求項2記載のユーザ装置。 - 前記干渉通知は、上りリンク送信方式を切り替えることを示す情報を含む請求項1記載のユーザ装置。
- 前記干渉通知の応答には、前記第2の送信方式における前記第1の基地局装置への送信と前記第2の基地局装置への送信とを時分割で切り替えるタイミングを示す送信タイミングパターンが含まれる請求項2記載のユーザ装置。
- 第1の無線通信システムに含まれ、第2の無線通信システムに含まれる第2の基地局装置と通信を行うユーザ装置と接続される基地局装置であって、
前記ユーザ装置から干渉通知を受信する通信部と、
前記干渉通知に基づいて、上りリンク送信方式の切り替えに係るメッセージを生成する生成部とを有し、
前記メッセージを、前記ユーザ装置及び前記第2の基地局装置に送信する基地局装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/634,462 US11330496B2 (en) | 2017-08-10 | 2018-07-23 | User equipment and base station apparatus |
CN201880051021.2A CN111034296B (zh) | 2017-08-10 | 2018-07-23 | 用户装置以及基站装置 |
JP2019535077A JP6916288B2 (ja) | 2017-08-10 | 2018-07-23 | 端末、基地局、無線通信システム及び通信方法 |
CA3066878A CA3066878C (en) | 2017-08-10 | 2018-07-23 | User equipment and base station apparatus |
EP18844341.0A EP3668222A4 (en) | 2017-08-10 | 2018-07-23 | USER DEVICE AND BASE STATION DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017156012 | 2017-08-10 | ||
JP2017-156012 | 2017-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019031212A1 true WO2019031212A1 (ja) | 2019-02-14 |
Family
ID=65272234
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2018/027486 WO2019031212A1 (ja) | 2017-08-10 | 2018-07-23 | ユーザ装置及び基地局装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11330496B2 (ja) |
EP (1) | EP3668222A4 (ja) |
JP (1) | JP6916288B2 (ja) |
CN (1) | CN111034296B (ja) |
CA (1) | CA3066878C (ja) |
WO (1) | WO2019031212A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021140665A1 (ja) * | 2020-01-10 | 2021-07-15 | 株式会社Nttドコモ | 端末及び通信方法 |
EP3821660A4 (en) * | 2018-11-23 | 2021-09-01 | Samsung Electronics Co., Ltd. | PLANNING DEVICE AND PROCEDURE FOR INTERFERENCE CONTROL IN A MOBILE COMMUNICATION SYSTEM |
EP3891910A4 (en) * | 2019-03-11 | 2022-03-02 | Samsung Electronics Co., Ltd. | COMMUNICATION FREQUENCY BAND CONTROL METHOD AND ASSOCIATED ELECTRONIC DEVICE |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3954169A4 (en) * | 2019-05-16 | 2022-07-06 | Samsung Electronics Co., Ltd. | METHOD AND APPARATUS FOR 5G MIGRATION IN A COMBINATION FREQUENCY/INTERFERENCE BAND |
US11582055B2 (en) | 2020-08-18 | 2023-02-14 | Charter Communications Operating, Llc | Methods and apparatus for wireless device attachment in a managed network architecture |
US11563593B2 (en) | 2020-08-19 | 2023-01-24 | Charter Communications Operating, Llc | Methods and apparatus for coordination between wireline backhaul and wireless systems |
US11844057B2 (en) | 2020-09-09 | 2023-12-12 | Charter Communications Operating, Llc | Methods and apparatus for wireless data traffic management in wireline backhaul systems |
US11874817B2 (en) | 2021-03-31 | 2024-01-16 | Bank Of America Corporation | Optimizing distributed and parallelized batch data processing |
US11474881B1 (en) | 2021-03-31 | 2022-10-18 | Bank Of America Corporation | Optimizing distributed and parallelized batch data processing |
US11864218B1 (en) * | 2021-06-10 | 2024-01-02 | T-Mobile Usa, Inc. | 5G new radio uplink intermodulation distortion mitigation |
CN116456385A (zh) * | 2022-01-05 | 2023-07-18 | 维沃移动通信有限公司 | 干扰辅助信息的上报方法、终端及网络侧设备 |
US20240056827A1 (en) * | 2022-08-10 | 2024-02-15 | Qualcomm Incorporated | In-device coexistence interference parameters |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015516131A (ja) * | 2012-05-08 | 2015-06-04 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 改善された共存干渉報告メカニズム |
WO2016095078A1 (en) * | 2014-12-15 | 2016-06-23 | Qualcomm Incorporated | Dual active connections over single radio user equipment |
JP2017517935A (ja) * | 2014-05-08 | 2017-06-29 | インテル コーポレイション | 二重接続のための装置内共存干渉回避のシステム及び方法 |
JP2017156012A (ja) | 2016-03-02 | 2017-09-07 | ダイキン工業株式会社 | 空調システム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011034318A2 (en) * | 2009-09-16 | 2011-03-24 | Lg Electronics Inc. | Method and apparatus for transmitting uplink control signal in relay station |
KR101822688B1 (ko) * | 2010-08-13 | 2018-03-08 | 인터디지탈 패튼 홀딩스, 인크 | 장치 내 간섭 완화 |
EP2803222B1 (en) | 2011-12-05 | 2018-07-18 | Samsung Electronics Co., Ltd. | Method and system for handling in-device co-existence interference in user equipment |
JP5899149B2 (ja) * | 2013-04-02 | 2016-04-06 | 株式会社Nttドコモ | 無線基地局及びユーザ端末 |
US9161278B2 (en) * | 2013-04-04 | 2015-10-13 | Blackberry Limited | Communicating an indication relating to in-device coexistence interference |
US20170034709A1 (en) | 2014-04-09 | 2017-02-02 | Ntt Docomo, Inc. | Measurement control method and base station |
JP2015216412A (ja) * | 2014-05-07 | 2015-12-03 | 株式会社Nttドコモ | ユーザ装置、基地局及び方法 |
US10091793B2 (en) * | 2015-02-06 | 2018-10-02 | Mediatek Inc. | Prioritized generation of IDC indication message to mitigate IDC impact on UE performance |
CN108696874B (zh) * | 2017-03-01 | 2021-10-22 | 惠州Tcl移动通信有限公司 | Lte-u与wifi5g信道的自干扰解决方法及系统 |
EP3404985A1 (en) * | 2017-05-18 | 2018-11-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Full duplexing downlink and uplink directions |
CN108990153B (zh) * | 2017-06-02 | 2021-05-14 | 维沃移动通信有限公司 | 一种针对终端自干扰的传输方法、相关设备和系统 |
WO2018232718A1 (zh) * | 2017-06-23 | 2018-12-27 | Oppo广东移动通信有限公司 | 无线通信方法和设备 |
US11140692B2 (en) * | 2017-07-31 | 2021-10-05 | Lg Electronics Inc. | Signal transmission and reception method on basis of LTE and NR in wireless communication system and device therefor |
US10904781B2 (en) * | 2017-09-11 | 2021-01-26 | Qualcomm Incorporated | Mobility measurements with interference caused by intermodulation products |
-
2018
- 2018-07-23 US US16/634,462 patent/US11330496B2/en active Active
- 2018-07-23 JP JP2019535077A patent/JP6916288B2/ja active Active
- 2018-07-23 CN CN201880051021.2A patent/CN111034296B/zh active Active
- 2018-07-23 CA CA3066878A patent/CA3066878C/en active Active
- 2018-07-23 WO PCT/JP2018/027486 patent/WO2019031212A1/ja unknown
- 2018-07-23 EP EP18844341.0A patent/EP3668222A4/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015516131A (ja) * | 2012-05-08 | 2015-06-04 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 改善された共存干渉報告メカニズム |
JP2017517935A (ja) * | 2014-05-08 | 2017-06-29 | インテル コーポレイション | 二重接続のための装置内共存干渉回避のシステム及び方法 |
WO2016095078A1 (en) * | 2014-12-15 | 2016-06-23 | Qualcomm Incorporated | Dual active connections over single radio user equipment |
JP2017156012A (ja) | 2016-03-02 | 2017-09-07 | ダイキン工業株式会社 | 空調システム |
Non-Patent Citations (2)
Title |
---|
3GPP TR 38.804, March 2017 (2017-03-01) |
3GPP TS 37.340, June 2017 (2017-06-01) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3821660A4 (en) * | 2018-11-23 | 2021-09-01 | Samsung Electronics Co., Ltd. | PLANNING DEVICE AND PROCEDURE FOR INTERFERENCE CONTROL IN A MOBILE COMMUNICATION SYSTEM |
US11330669B2 (en) | 2018-11-23 | 2022-05-10 | Samsung Electronics Co., Ltd. | Scheduling apparatus and method for interference control in mobile communication system |
EP3891910A4 (en) * | 2019-03-11 | 2022-03-02 | Samsung Electronics Co., Ltd. | COMMUNICATION FREQUENCY BAND CONTROL METHOD AND ASSOCIATED ELECTRONIC DEVICE |
US11968150B2 (en) | 2019-03-11 | 2024-04-23 | Samsung Electronics Co., Ltd | Method for controlling frequency band for communication and electronic device thereof |
WO2021140665A1 (ja) * | 2020-01-10 | 2021-07-15 | 株式会社Nttドコモ | 端末及び通信方法 |
Also Published As
Publication number | Publication date |
---|---|
CN111034296B (zh) | 2023-08-15 |
CA3066878A1 (en) | 2019-02-14 |
EP3668222A4 (en) | 2021-05-05 |
JP6916288B2 (ja) | 2021-08-11 |
US20210092662A1 (en) | 2021-03-25 |
EP3668222A1 (en) | 2020-06-17 |
JPWO2019031212A1 (ja) | 2020-04-02 |
CA3066878C (en) | 2023-09-12 |
CN111034296A (zh) | 2020-04-17 |
US11330496B2 (en) | 2022-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6916288B2 (ja) | 端末、基地局、無線通信システム及び通信方法 | |
US10966270B2 (en) | User equipment and base station | |
JP6959335B2 (ja) | 端末 | |
US11770697B2 (en) | Terminal, transmission method, and radio communication system | |
EP3860244A1 (en) | User terminal, wireless base station, and wireless communication method | |
JP7433336B2 (ja) | 端末、基地局、通信システム、及び通信方法 | |
US11895523B2 (en) | User apparatus | |
JP7273859B2 (ja) | ユーザ装置及び基地局装置 | |
WO2021064969A1 (ja) | 端末 | |
EP4033801A1 (en) | Terminal | |
EP4236510A1 (en) | Terminal and communication method | |
WO2021064968A1 (ja) | 端末、及び受信方法 | |
EP3923621A1 (en) | User equipment | |
US20230028348A1 (en) | Terminal and measuring method | |
WO2020246024A1 (ja) | 端末及び基地局 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18844341 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019535077 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 3066878 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2018844341 Country of ref document: EP Effective date: 20200310 |