WO2020165979A1 - Station de base radio et équipement utilisateur - Google Patents

Station de base radio et équipement utilisateur Download PDF

Info

Publication number
WO2020165979A1
WO2020165979A1 PCT/JP2019/005166 JP2019005166W WO2020165979A1 WO 2020165979 A1 WO2020165979 A1 WO 2020165979A1 JP 2019005166 W JP2019005166 W JP 2019005166W WO 2020165979 A1 WO2020165979 A1 WO 2020165979A1
Authority
WO
WIPO (PCT)
Prior art keywords
system information
time
base station
transmission
tsn
Prior art date
Application number
PCT/JP2019/005166
Other languages
English (en)
Japanese (ja)
Inventor
徹 内野
天楊 閔
健次 甲斐
Original Assignee
株式会社Ｎｔｔドコモ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to PCT/JP2019/005166 priority Critical patent/WO2020165979A1/fr
Priority to JP2020571970A priority patent/JPWO2020165979A1/ja
Publication of WO2020165979A1 publication Critical patent/WO2020165979A1/fr
Priority to JP2023017759A priority patent/JP2023058607A/ja

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present invention relates to a wireless base station and user equipment used for remote control.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • 5G New Radio (NR) or Next Generation (NG) 5G New Radio
  • TSN Time-Sensitive Networking
  • a synchronization shift of about 500 ns occurs in the backhaul, which is a relay line that connects the core network and the radio base station (gNB).
  • stratum 4 clock was used for time synchronization between the TSN grand master clock (TSN GMC), which is the TSN operation timing, and the NR grand master clock (NR,GMC), which is the gNB operation timing.
  • TSN GMC TSN grand master clock
  • NR,GMC NR grand master clock
  • the maximum deviation is 32 ⁇ s per second.
  • the minimum transmission cycle of the conventional system information for notifying the time is 80 ms.
  • the present invention has been made in view of such a situation, the control source of the TSN, via the NR system, a radio base that can execute remote control of the end station of the TSN with higher synchronization accuracy. It is an object to provide a station and a user equipment.
  • a radio base station (200) includes a receiving unit (203) that receives time information serving as a time reference in a predetermined network, and a control unit that shortens a transmission cycle of system information including the time information. (205), and a transmitter (201) for notifying the system information at the shortened transmission cycle.
  • a radio base station (200) includes a receiving unit (203) that receives time information serving as a time reference in a predetermined network, and a main transmission that periodically transmits system information including the time information.
  • a control unit (205) that sets at least one sub-transmission timing whose timing is shifted in the time axis direction, and a transmission unit (201) that notifies the system information at the main transmission timing and the at least one sub-transmission timing.
  • a radio base station (200) includes a receiving unit (203) that receives time information that serves as a time reference within a predetermined network, and a transmission cycle of system information including the time information, and , A control unit (205) for setting at least one sub-transmission timing in which the main transmission timing for periodically transmitting the system information including the time information is shifted in the time axis direction, and shortened by using the first frequency resource
  • a radio base station (200) includes a receiving unit (203) that receives time information serving as a time reference within a predetermined network, a clock that determines the time information, and an operation of the radio base station.
  • a control unit (205) for determining a frequency deviation ratio with respect to a reference clock and a transmission unit (201) for notifying system information including the time information and the frequency deviation ratio.
  • a radio base station (200) according to one aspect of the present invention, a receiving unit (203) that receives time information that is a time reference within a predetermined network, a control unit (205) that includes the time information in an RRC message, A transmission unit (201) for transmitting the RRC message to a predetermined user device (100).
  • a user apparatus (100) includes a control unit (105) that includes a notification frequency of system information including time information serving as a time reference in a predetermined network in a message, and a radio base station (200).
  • a control unit (105) that includes a notification frequency of system information including time information serving as a time reference in a predetermined network in a message
  • a radio base station (200) On the other hand, a transmitter (101) for transmitting the message, and a receiver (103) for receiving the system information from the radio base station (200) at a transmission cycle associated with the notification frequency.
  • a user apparatus (100) includes a receiving unit (103) that periodically receives system information including time information serving as a time reference within a predetermined network from a wireless base station (200), A receiving unit (103) determines whether or not the system information is received in a predetermined cycle, and the control unit (105) has not received the system information in the predetermined cycle.
  • a transmission unit (101) for notifying an error message to the predetermined network is provided.
  • FIG. 1 is an overall schematic configuration diagram of the network 10.
  • FIG. 2 is a functional block configuration diagram of the UE 100.
  • FIG. 3 is a functional block configuration diagram of gNB200.
  • FIG. 4 is a diagram showing a flowchart of a transmission cycle setting process by the gNB 200.
  • FIG. 5 is a diagram illustrating a setting example 1 of the transmission cycle.
  • FIG. 6 is a diagram illustrating a second setting example of the transmission cycle.
  • FIG. 7 is a diagram illustrating a setting example 3 of the transmission cycle.
  • FIG. 8 is a diagram showing a flowchart of the notification process of the clock frequency deviation ratio by the gNB 200.
  • FIG. 9 is a diagram showing a flowchart of unicast notification by the gNB 200.
  • FIG. 10 is a diagram showing a sequence of notification processing of the notification frequency by the UE 100.
  • FIG. 11 is a diagram showing a flowchart of error notification by the UE 100.
  • FIG. 12 is a diagram illustrating an example of the hardware configuration of the UE 100 and the gNB 200.
  • FIG. 1 is an overall schematic configuration diagram of a network 10 according to the embodiment.
  • the network (predetermined network) 10 is a TSN network, and includes a TSN grand master (TSNGM) 20, an NR system 30, and an end station 40.
  • TSN control source (not shown) remotely controls the end station 40 in the production factory in real time via the NR system 30.
  • TSNGM20 oscillates a clock for generating TSN time with high accuracy.
  • TSNGM20 the clock oscillated by TSNGM20 is called TSN grandmaster clock (TSNGMC).
  • the TSN time is the time reference within the network 10.
  • the network 10 in order to realize remote control in real time, it is necessary to match the time of the TSN control source and the time of the end station 40 with the TSN time.
  • the TSNGM20 sends the generated TSN time to the control source of the TSN and also to the end station 40 via the NR system 30.
  • NR system 30 includes NR grand master (NRGM) 31, UE 100, gNB 200, and core network 300.
  • the NR31 GM31 oscillates a clock that is the operation timing of the NR system 30.
  • the clock that NRGM31 oscillates is called the NR grand master clock (NRGMC).
  • the UE100 executes wireless communication according to NR between UE100 and gNB200 and core network 300.
  • the UE 100 periodically receives the system information broadcast from the gNB 200.
  • the UE 100 transmits the TSN time included in the system information to the end station 40.
  • the gNB200 executes wireless communication according to NR between the gNB200 and the core network 300.
  • the gNB 200 receives the TSN time from the core network 300.
  • the gNB200 includes the received TSN time in the system information.
  • the TSN time is included in the System Information Block (SIB) 9 that notifies the time.
  • SIB System Information Block
  • the gNB200 periodically notifies the UE100 of system information including TSN time at a predetermined transmission timing based on NRGMC.
  • Core network 300 communicates with UE 100 via gNB200.
  • the core network 300 has a User Plane Function (UPF) 310.
  • UPF310 provides functions specialized for U-plane processing.
  • UPF310 receives TSN time from TSNGM20.
  • UPF310 transmits the received TSN time to gNB200.
  • the end station 40 is a machine (for example, a robot arm) installed in a production factory.
  • the end station 40 receives the TSN time from the UE 100.
  • the end station 40 updates the TSN time held by the end station 40 as needed based on the received TSN time.
  • the end station 40 receives a command from the TSN control source via the NR system 30. For example, the end station 40 determines whether the TSN time held by the end station 40 reaches the predetermined TSN time based on the predetermined TSN time included in the received command and the TSN time held by the end station 40. To judge.
  • the end station 40 When the end station 40 determines that the predetermined TSN time is reached, it operates based on the received command. In this way, the TSN control source performs time scheduling for operating the end station 40 based on the TSN time, so that real-time remote control is executed in the network 10.
  • FIG. 2 is a functional block configuration diagram of the UE100.
  • the hardware configuration of UE 100 will be described later.
  • the UE 100 includes a transmitter 101, a receiver 103, and a controller 105.
  • the transmitting unit 101 transmits an uplink signal according to NR to the gNB 200.
  • the transmission unit 101 transmits a command from the TSN control source and the TSN time to the end station 40.
  • the receiving unit 103 receives a downlink signal according to NR from the gNB 200.
  • the receiving unit 103 receives a command and system information from the control source of the TSN from the gNB 200.
  • the receiving unit 103 receives a response signal or the like from the end station 40.
  • the control unit 105 instructs the transmitting unit 101 to transmit the TSN time to the end station 40.
  • the control unit 105 instructs the transmission unit 101 to transmit the command to the end station 40.
  • the control unit 105 performs notification frequency calculation, error notification, etc., which will be described later.
  • FIG. 3 is a functional block configuration diagram of gNB200.
  • the hardware configuration of gNB200 will be described later.
  • the gNB 200 includes a transmission unit 201, a reception unit 203, and a control unit 205.
  • the transmitting unit 201 transmits a command and system information from the TSN control source to the UE100.
  • the receiving unit 203 receives the command and the TSN time from the control source of the TSN from the core network 300.
  • the control unit 205 When the receiving unit 203 receives the TSN time, the control unit 205 includes the received TSN time in the system information (for example, SIB9). The control unit 205 instructs the transmission unit 201 to periodically notify the system information at the transmission timing based on NRGMC.
  • SIB9 system information
  • the control unit 205 performs setting of a transmission cycle of system information described later, calculation of a clock frequency deviation ratio, unicast notification, notification of a plurality of TSN times, and the like.
  • the backhaul which is a relay line connecting the gNB 200 and the core network 300, causes a synchronization shift of about 500 ns. Therefore, in order to meet the above request, it is necessary to suppress the synchronization accuracy between the UE 100 and the gNB 200 to a synchronization deviation of about 500 ns.
  • Transmission cycle of system information gNB200 broadcasts TSN time using system information. However, in the gNB200, the time synchronization between the TSN GMC and the NR GMC is shifted by about 32 ⁇ s per second at the maximum when the stratum 4 clock is used.
  • the minimum transmission cycle of system information is 80 ms, so the time synchronization between TSN GMC and NR GMC is shifted by a maximum of about 2.56 ⁇ s.
  • the gNB 200 in order to suppress the synchronization accuracy between the UE 100 and the gNB 200 to a synchronization deviation of about 500 ns, it is necessary for the gNB 200 to make the system information transmission cycle shorter than the conventional minimum transmission cycle of 80 ms.
  • a method of setting the transmission cycle of system information to 10 ms in the gNB 200 will be described.
  • the transmission cycle of the system information is set to 10 ms
  • the time synchronization between the TSN GMC and the NR GMC in the gNB 200 can be suppressed to a maximum deviation of about 0.32 ⁇ S.
  • the transmission cycle of the system information depends on the synchronization accuracy between the control source of the TSN and the end station 40, the synchronization deviation in the backhaul in the NR system 30, and the synchronization accuracy between the TSNGMC and the NR GMC in the gNB200. It is determined. Therefore, the transmission cycle of system information is not limited to 10 ms.
  • the system information transmission cycle can be set to a value larger than 10 ms. Is.
  • FIG. 4 is a diagram showing a flowchart of a transmission cycle setting process. As shown in FIG. 4, the gNB 200 receives the TSN time from the core network 300 (S11 in FIG. 4).
  • the gNB 200 sets the transmission cycle of the system information based on any one of the setting examples 1 to 3 described later (S13 in FIG. 4).
  • the gNB 200 includes the TSN time in the system information and broadcasts the system information at the set transmission cycle (S15 in FIG. 4).
  • FIG. 5 is a diagram illustrating a setting example 1 of the transmission cycle.
  • the gNB 200 multiplies the minimum transmission period of 80 ms of the conventional system information by 1/8 and sets the transmission period to 10 ms.
  • the gNB200 can notify the system information at the transmission timing of 10 ms intervals, that is, at the transmission cycle of 10 ms.
  • the gNB 200 receives a plurality of coefficient SFs from the core network 300 as a group of coefficient SFs.
  • the gNB 200 selects an appropriate coefficient SF from the group of coefficient SFs.
  • the gNB200 may add the si-PeriodicitySF information element that specifies the group of coefficient SFs to the SI-SchedulingInfo information element of the SIB1 message. Thereby, gNB200 can share the group of coefficient SF between UE100 and gNB200 using a SIB1 message.
  • gNB200 may broadcast system information in the conventional transmission cycle in addition to the set transmission cycle. Further, the gNB 200 may directly allocate 10 ms as the minimum system information transmission cycle.
  • the gNB 200 sets at least one transmission timing (sub-transmission timing) obtained by shifting the transmission timing (main transmission timing) of the conventional system information transmission cycle by the offset in the time axis direction.
  • the gNB 200 broadcasts system information at at least one set transmission timing in addition to the conventional transmission timing.
  • FIG. 6 is a diagram illustrating a setting example 2 of the transmission cycle.
  • the gNB 200 sets the seven transmission timings by shifting the transmission timing of the conventional system information with the minimum transmission cycle of 80 ms by 10 ms.
  • the gNB200 can notify the system information at the transmission timing of 10 ms intervals, that is, at the transmission cycle of 10 ms.
  • the gNB 200 receives a plurality of offset values OF from the core network 300 as a group of offset values OF.
  • the offset value OF is a value that offsets the conventional transmission cycle in the time axis direction. In the example of FIG. 6, the offset value OF is 10 ms, 20 ms, 30 ms, 40 ms, 50 ms, 60 ms, and 70 ms.
  • the gNB 200 selects at least one appropriate offset value OF from the group of offset values OF.
  • the gNB200 may add the si-PeriodicityOffset information element that defines the group of offset value OF to the SI-SchedulingInfo information element of the SIB1 message. Thereby, gNB200 can share the group of offset value OF between UE100 and gNB200 using a SIB1 message.
  • the gNB 200 broadcasts system information at the transmission cycle set by the method of the setting example 1 in the first frequency resource, and at the transmission timing set by the method of the setting example 2 in the second frequency resource. , Inform system information.
  • FIG. 7 is a diagram illustrating setting example 3 of the transmission cycle.
  • the gNB 200 multiplies the conventional system information transmission cycle of 80 ms by 1/4 to set the transmission cycle to 20 ms.
  • the gNB200 uses the frequency resource BWP2 to broadcast the system information at 20 ms interval transmission timing, that is, at a transmission cycle of 20 ms.
  • the gNB200 sets three transmission timings by shifting the transmission timing of the conventional system information with a minimum transmission cycle of 80 ms by 20 ms.
  • the gNB200 can broadcast the system information using the frequency resource BWP3 at the transmission timing of 20 ms intervals, that is, at the transmission cycle of 20 ms.
  • the transmission timing of frequency resource BWP2 is 10 ms off the transmission timing of frequency resource BWP3 on the time axis.
  • the gNB200 can notify the system information at the transmission timing of 10 ms intervals on the time axis, that is, at the transmission cycle of 10 ms.
  • the frequency resource is not limited to BWP and may be a component carrier (CC).
  • the gNB 200 may broadcast system information at a transmission cycle set by the method of setting example 1 and broadcast system information at the transmission timing set by the method of setting example 2 in one frequency resource.
  • the gNB200 calculates the clock frequency deviation ratio between the TSN GMC and the NR GMC in the gNB200, and uses the TSN time and the clock frequency deviation ratio as system information. Including this, a method of notifying system information in a conventional transmission cycle will be described.
  • the UE 100 side can correct the time synchronization deviation between the TSN GMC and NR GMC based on the clock frequency deviation ratio. For this reason, the gNB 200 does not have to deal with the time synchronization shift between the TSN GMC and the NR GMC in the gNB 200.
  • FIG. 8 is a diagram showing a flowchart of the notification processing of the deviation ratio of the clock frequency by the gNB 200. As shown in FIG. 8, the gNB 200 receives the TSN time from the core network 300 (S21 in FIG. 8).
  • the gNB200 calculates the clock frequency shift ratio between the TSN GMC and the NR GMC in the gNB200 (S23 in FIG. 8).
  • gNB200 calculates the value of cumulative scaled rate offset (CSRO), which is the protocol parameter of Generalized Precision Time Protocol (gPTP), as the deviation ratio of the clock frequency.
  • CSRO cumulative scaled rate offset
  • NRR neighbor ratio
  • gPTP Generalized Precision Time Protocol
  • the gNB200 includes the received TSN time and the calculated deviation ratio of the clock frequency in the system information, and notifies the system information in the conventional transmission cycle (S25 in FIG. 8).
  • the gNB 200 may notify the UE 100 of the deviation ratio of the TSN time and the clock frequency by unicast, instead of notifying the system information. In this case, for example, the gNB 200 notifies the UE 100 of the deviation ratio of the TSN time and the clock frequency by using RRC dedicated signaling.
  • the gNB 200 when the gNB 200 receives the TSN time from the core network 300, the gNB 200 can directly notify the UE 100 of the TSN time without waiting for a predetermined time (for example, a system information transmission cycle). For this reason, the gNB 200 does not have to deal with the time synchronization shift between the TSN GMC and the NR GMC in the gNB 200.
  • a predetermined time for example, a system information transmission cycle
  • FIG. 9 is a diagram showing a flowchart of unicast notification. As shown in FIG. 9, the gNB 200 receives the TSN time from the core network 300 (S31 in FIG. 9).
  • the gNB200 includes the system information including the TSN time in the RRC message (S33 in Fig. 9). gNB200 transmits an RRC message to UE100 (S35 of FIG. 9).
  • the gNB 200 includes the system information as a container in the RRC reconfiguration message.
  • the gNB 200 selects, for example, an appropriate coefficient SF from the group of coefficient SFs (setting example 1), or at least one appropriate value from the group of offset values OF. Select an appropriate offset value OF (Setting example 2).
  • the gNB 200 can select the coefficient SF or the offset value OF according to the notification frequency of the system information notified from the UE 100.
  • FIG. 10 is a diagram showing a sequence of notification processing of the notification frequency.
  • UE100 calculates the notification frequency of the system information required by UE100 (S41 of FIG. 10).
  • UE100 notifies the notification frequency of system information to gNB200 (S43 of FIG. 10).
  • the UE 100 in communication between the UE 100 and the end station 40, in order to notify how much high synchronization accuracy is required, the UE 100 is a Quality of Service (QoS) between the UE 100 and the end station 40. ), the system information request (SI request) may be notified to the gNB 200.
  • QoS Quality of Service
  • SI request system information request
  • the UE100 In communication between the UE100 and the gNB200, the UE100 notifies the system information request to the gNB200 according to the UE type in order to notify how much the system information transmission cycle can be shortened. May be.
  • the UE100 may notify the gNB3200 of a UE capability message including the capability of the notification frequency in order to notify the capability of the notification frequency that the UE100 can receive.
  • UE100 may notify the gNB200 by including the synchronization accuracy or notification frequency requested by UE100 in the UEAssistanceInformation message.
  • the gNB 200 sets the transmission cycle of system information based on the notified notification frequency (S45 of FIG. 10). For example, the gNB 200 selects at least one of the coefficient SF and the offset value OF according to the notified notification frequency, and sets the transmission cycle of the system information.
  • the gNB200 broadcasts system information at the set transmission cycle (S47 in Fig. 10).
  • FIG. 11 is a diagram showing a flowchart of error notification.
  • the UE 100 periodically receives system information including TSN time (S51 in FIG. 11).
  • the UE 100 determines whether or not to receive the system information at a required predetermined period (S53 of FIG. 11).
  • the UE 100 ends the process.
  • the UE100 when the system information is not received in the predetermined cycle (S53: NO in FIG. 11), the UE100 notifies the core network 300 or the control source of the TSN of the error message via the gNB200 (S55 in FIG. 11). ).
  • the UE 100 may notify the core network 300 or the control source of the TSN via the gNB 200 when detecting a radio link failure (Radio Link Failure: RLF).
  • RLF Radio Link Failure
  • GNB200 notifies UE100 by including multiple TSN times in one system information.
  • a time identifier is associated with each TSN time.
  • the UE 100 selects only the TSN time associated with the time identifier previously notified from the higher layer, from the plurality of TSN times.
  • the gNB 200 may notify each UE 100 of the corresponding TSN time by using RRC dedicated signaling.
  • the gNB 200 may include different TSN times in each of the plurality of system information and notify the plurality of UEs 100.
  • the gNB 200 includes the receiving unit 203 that receives the TSN time serving as the time reference within the network 10, and the control unit 205 that shortens the transmission cycle of system information including the TSN time. And a transmission unit 201 that notifies system information in a shortened transmission cycle.
  • the TSN control source can execute remote control of the TSN end station with higher synchronization accuracy via the NR system.
  • control unit 205 shortens the transmission cycle by multiplying the transmission cycle of the system information by a coefficient smaller than 1.
  • the gNB 200, the receiving unit 203 that receives the TSN time that is the time reference within the network 10, and the main transmission timing that periodically transmits the system information including the TSN time are shifted in the time axis direction.
  • the TSN control source can execute remote control of the TSN end station with higher synchronization accuracy via the NR system.
  • the gNB 200 the receiving unit 203 that receives the TSN time that is the time reference in the network 10, shortens the transmission cycle of the system information that includes the TSN time, and the system information that includes the TSN time.
  • a control unit 205 that sets at least one sub-transmission timing in which the main transmission timing that is periodically transmitted is shifted in the time axis direction, and uses the first frequency resource to notify the system information in a shortened transmission cycle.
  • a transmitting unit 201 that broadcasts system information at the main transmission timing and at least one sub-transmission timing using the second frequency resource.
  • the gNB 200 is a receiving unit 203 that receives the TSN time that is the time reference in the network 10, a TSN GMC that determines the TSN time, and a clock between the NR GMC that is the operation reference of the gNB 200.
  • a control unit 205 for determining a frequency shift ratio and a transmission unit 201 for notifying system information including the TSN time and clock frequency shift ratio are provided.
  • the UE 100 side can correct the time synchronization deviation between the TSN GMC and the NR GMC based on the clock frequency deviation ratio. For this reason, the gNB 200 does not have to deal with the time synchronization shift between the TSN GMC and the NR GMC in the gNB 200.
  • the gNB 200 the receiving unit 203 that receives the TSN time that is the time reference within the network 10, the control unit 205 that includes the TSN time in the RRC message, and the predetermined UE 100, the RRC message. And a transmitting unit 201 for transmitting.
  • the gNB 200 when receiving the TSN time from the core network 300, directly notifies the predetermined UE 100 of the TSN time without waiting for a predetermined time (for example, a transmission cycle of system information). You can For this reason, the gNB 200 does not have to deal with the time synchronization shift between the TSN GMC and the NR GMC in the gNB 200.
  • a predetermined time for example, a transmission cycle of system information
  • the UE 100 the notification frequency of the system information including the TSN time that is the time reference in the network 10, the control unit 105 included in the message, to the gNB200, the transmission unit 101 for transmitting the message. , GNB200, and a receiving unit 103 that receives system information in a transmission cycle associated with the notification frequency.
  • the gNB 200 can set the transmission cycle of the system information including the TSN time according to the notification frequency of the system information notified from the UE 100. Therefore, the gNB 200 can notify the system information including the TSN time based on the capability of the UE 100.
  • the UE 100 receives the system information including the TSN time serving as the time reference in the network 10, the receiving unit 103 that periodically receives from the gNB 200, and the receiving unit 103 receives the system information at a predetermined period.
  • the control unit 105 includes a transmission unit 101 that determines whether the system information has been received, and a transmission unit 101 that notifies the network of an error message when the control unit 105 determines that the system information has not been received in a predetermined cycle.
  • the UE 100 can notify the network that the system information including the TSN time has not been received in a predetermined cycle.
  • each functional block may be implemented by using one device that is physically or logically coupled, or directly or indirectly (for example, two or more devices that are physically or logically separated). , Wired, wireless, etc.) and may be implemented using these multiple devices.
  • the functional block may be realized by combining the one device or the plurality of devices with software.
  • Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, deemed, and notification ( Broadcasting, notifying, communicating, forwarding, forwarding, configuring, reconfiguring, allocating, mapping, assigning, etc., but are not limited to these. ..
  • a functional block (component) that causes transmission to function is called a transmitter (transmitting unit) or a transmitter (transmitter).
  • the implementation method is not particularly limited as described above.
  • FIG. 12 is a diagram illustrating an example of the hardware configuration of the device.
  • the device may be configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like.
  • the word “device” can be read as a circuit, device, unit, or the like.
  • the hardware configuration of the device may be configured to include one or a plurality of each device illustrated in the figure, or may be configured not to include some devices.
  • Each functional block of the device is realized by any hardware element of the computer device or a combination of the hardware elements.
  • each function in the device is such that the processor 1001 performs an arithmetic operation by loading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, and controls communication by the communication device 1004 and a memory. It is realized by controlling at least one of reading and writing of data in the storage 1002 and the storage 1003.
  • the processor 1001 for example, runs an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, a calculation device, a register, and the like.
  • CPU central processing unit
  • the processor 1001 reads a program (program code), software module, data, etc. from at least one of the storage 1003 and the communication device 1004 into the memory 1002, and executes various processes according to these.
  • a program program code
  • the various processes described above may be executed by one processor 1001 or 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 an electric communication line.
  • the memory 1002 is a computer-readable recording medium, and is configured by at least one of, for example, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), and Random Access Memory (RAM). 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 may store a program (program code) capable of executing the method according to an embodiment of the present disclosure, a software module, and the like.
  • the storage 1003 is a computer-readable recording medium, for example, an optical disc such as a Compact Disc ROM (CD-ROM), a hard disc drive, a flexible disc, a magneto-optical disc (for example, a compact disc, a digital versatile disc, a Blu-ray disc). At least one of 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, or the like may be used.
  • the storage 1003 may be called an auxiliary storage device.
  • the above-described recording medium may be, for example, a database including at least one of the memory 1002 and the storage 1003, a server, or another appropriate medium.
  • the communication device 1004 is hardware (transmission/reception device) for performing communication between computers via at least one of a wired network and a wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, or the like.
  • the communication device 1004 includes a high frequency switch, a duplexer, a filter, a frequency synthesizer, and the like in order to realize at least one of, for example, frequency division duplex (FDD) and time division duplex (TDD). May be composed of
  • FDD frequency division duplex
  • TDD time division duplex
  • the input device 1005 is an input device (eg, keyboard, mouse, microphone, switch, button, sensor, etc.) that receives an input from the outside.
  • the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output to the outside.
  • the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
  • each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
  • the bus 1007 may be configured by using a single bus, or may be configured by using a different bus for each device.
  • the device is configured to include hardware such as a microprocessor, digital signal processor (DSP), Application Specific Integrated Circuit (ASIC), Programmable Logic Device (PLD), Field Programmable Gate Array (FPGA).
  • DSP digital signal processor
  • ASIC Application Specific Integrated Circuit
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • processor 1001 may be implemented with at least one of these hardware.
  • the notification of information is not limited to the mode/embodiment described in the present disclosure, and may be performed using another method.
  • information is notified by physical layer signaling (for example, Downlink Control Information (DCI), Uplink Control Information (UCI), upper layer signaling (for example, RRC signaling, Medium Access Control (MAC) signaling, broadcast information (Master Information Block). (MIB), System Information Block (SIB)), other signals, or a combination thereof
  • RRC signaling may be referred to as RRC message, for example, RRC Connection Setup (RRC Connection Setup). ) Message, RRC connection reconfiguration message, or the like.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • SUPER 3G IMT-Advanced
  • 4th generation mobile communication system 4th generation mobile communication system
  • 5th generation mobile communication system 4th generation mobile communication system
  • 5G Future Radio Access
  • FAA New Radio
  • NR New Radio
  • W-CDMA registered trademark
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access 2000
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE802.16 WiMAX (registered trademark)
  • IEEE802.20 Ultra-WideBand
  • Bluetooth registered trademark
  • a plurality of systems may be combined and applied (for example, a combination of at least one of LTE and LTE-A and 5G).
  • the specific operation that is performed by the base station in the present disclosure may be performed by its upper node in some cases.
  • various operations performed for communication with a terminal include a base station and other network nodes other than the base station (eg, MME or S-GW and the like are conceivable, but not limited to these).
  • MME or S-GW and the like are conceivable, but not limited to these.
  • a combination of a plurality of other network nodes for example, MME and S-GW may be used.
  • Information and signals can be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input/output may be performed via a plurality of network nodes.
  • the input/output information may be stored in a specific location (for example, memory) or may be managed using a management table.
  • the input/output information may be overwritten, updated, or added.
  • the output information may be deleted.
  • the input information may be transmitted to another device.
  • the determination may be performed by a value represented by 1 bit (whether 0 or 1), may be performed by a Boolean value (Boolean: true or false), and may be performed by comparing numerical values (for example, a predetermined value). Value comparison).
  • the notification of the predetermined information (for example, the notification of “being X”) is not limited to the explicit notification, and is performed implicitly (for example, the notification of the predetermined information is not performed). Good.
  • software, instructions, information, etc. may be transmitted and received via a transmission medium.
  • the software uses a wired technology (coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.) and/or wireless technology (infrared, microwave, etc.) websites, When sent from a server, or other remote source, at least one of these wired and wireless technologies is included within the definition of transmission medium.
  • wired technology coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), etc.
  • wireless technology infrared, microwave, etc.
  • data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description include voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any of these. May be represented by a combination of
  • At least one of the channel and the symbol may be a signal (signaling).
  • the signal may also be a message.
  • a component carrier (Component Carrier: CC) may be called a carrier frequency, a cell, a frequency carrier, or the like.
  • system and “network” used in this disclosure are used interchangeably.
  • the information, parameters, etc. described in the present disclosure may be represented by using an absolute value, may be represented by using a relative value from a predetermined value, or by using other corresponding information. May be represented.
  • the radio resources may be those indicated by the index.
  • Base Station BS
  • Wireless Base Station Wireless Base Station
  • NodeB NodeB
  • eNodeB eNodeB
  • gNodeB gNodeB
  • a base station may be referred to by terms such as macro cell, small cell, femto cell, and pico cell.
  • a base station can accommodate one or more (eg, three) cells (also called sectors). When a base station accommodates multiple cells, the entire coverage area of the base station can be divided into multiple smaller areas, each smaller area being a base station subsystem (e.g., a small indoor base station (Remote Radio Radio). Head: RRH) can also provide communication services.
  • a base station subsystem e.g., a small indoor base station (Remote Radio Radio). Head: RRH) can also provide communication services.
  • cell refers to a part or the entire coverage area of at least one of the base station and the base station subsystem that provide communication services in this coverage.
  • MS mobile station
  • UE user equipment
  • Mobile stations are defined by those skilled in the art as subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless. It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term.
  • At least one of the base station and the mobile station may be called a transmission device, a reception device, a communication device, or the like.
  • the base station and the mobile station may be a device mounted on the mobile body, the mobile body itself, or the like.
  • the moving body may be a vehicle (eg, car, airplane, etc.), an unmanned moving body (eg, drone, self-driving car, etc.), or a robot (manned type or unmanned type).
  • At least one of the base station and the mobile station also includes a device that does not necessarily move during communication operation.
  • at least one of the base station and the mobile station may be an Internet of Things (IoT) device such as a sensor.
  • IoT Internet of Things
  • the base station in the present disclosure may be read as a mobile station (user terminal, hereinafter the same).
  • the communication between base stations and mobile stations has been replaced with communication between multiple mobile stations (eg, Device-to-Device (D2D), Vehicle-to-Everything (V2X), etc.)
  • the mobile station may have the function of the base station.
  • the wording such as “up” and “down” may be replaced with the wording corresponding to the terminal-to-terminal communication (for example, “side”).
  • the uplink channel and the downlink channel may be replaced with the side channel.
  • the mobile station in the present disclosure may be read as a base station.
  • the base station may have the function of the mobile station.
  • connection means any direct or indirect connection or coupling between two or more elements, and It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled.”
  • the connections or connections between the elements may be physical, logical, or a combination thereof.
  • connection may be read as “access”.
  • two elements are in the radio frequency domain, with at least one of one or more wires, cables and printed electrical connections, and as some non-limiting and non-exhaustive examples. , Can be considered to be “connected” or “coupled” to each other, such as with electromagnetic energy having wavelengths in the microwave and light (both visible and invisible) regions.
  • the reference signal can also be abbreviated as Reference Signal (RS), or may be referred to as Pilot depending on the applied standard.
  • RS Reference Signal
  • the phrase “based on” does not mean “based only on,” unless expressly specified otherwise. In other words, the phrase “based on” means both "based only on” and “based at least on.”
  • references to elements using designations such as “first”, “second”, etc. as used in this disclosure does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, references to the first and second elements do not mean that only two elements may be employed there, or that the first element must precede the second element in any way.
  • the term “A and B are different” may mean “A and B are different from each other”.
  • the term may mean that “A and B are different from C”.
  • the terms “remove”, “coupled” and the like may be construed similarly as “different”.
  • the user device described above is useful because it can transmit an uplink signal at a transmission timing that can be supported by a plurality of wireless base stations in simultaneous communication with a plurality of wireless base stations.

Landscapes

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

Abstract

Un gNB (200) selon l'invention comprend : une unité de réception (203) qui reçoit un temps TSN servant de référence temporelle dans un réseau prédéterminé (10); une unité de commande (205) qui raccourcit une période de transmission d'informations système comprenant le temps TSN; et une unité de transmission (201) qui diffuse les informations système pendant la période de transmission sous forme raccourcie.
PCT/JP2019/005166 2019-02-13 2019-02-13 Station de base radio et équipement utilisateur WO2020165979A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2019/005166 WO2020165979A1 (fr) 2019-02-13 2019-02-13 Station de base radio et équipement utilisateur
JP2020571970A JPWO2020165979A1 (ja) 2019-02-13 2019-02-13 無線基地局及びユーザ装置
JP2023017759A JP2023058607A (ja) 2019-02-13 2023-02-08 無線基地局及びユーザ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/005166 WO2020165979A1 (fr) 2019-02-13 2019-02-13 Station de base radio et équipement utilisateur

Publications (1)

Publication Number Publication Date
WO2020165979A1 true WO2020165979A1 (fr) 2020-08-20

Family

ID=72043809

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/005166 WO2020165979A1 (fr) 2019-02-13 2019-02-13 Station de base radio et équipement utilisateur

Country Status (2)

Country Link
JP (2) JPWO2020165979A1 (fr)
WO (1) WO2020165979A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022176026A1 (fr) * 2021-02-16 2022-08-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011071735A (ja) * 2009-09-25 2011-04-07 Mitsubishi Electric Corp 無線基地局装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011071735A (ja) * 2009-09-25 2011-04-07 Mitsubishi Electric Corp 無線基地局装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HUAWEI ET AL.: "Provision of UTC SIB to connected UEs", 3GPP TSG RAN WG2 #102 R2-1808200, 25 May 2018 (2018-05-25), XP051444493, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_102/Docs/R2-1808200.zip> *
I TRI: "Discussion on indicating the broadcast of on-demand SIBs", 3 GPP TSG RAN WG2 #97BIS R2-1703140, 7 April 2017 (2017-04-07), XP051245079, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_97bis/Docs/R2-1703140.zip> *
NOKIA ET AL.: "TSN Time Synchronization", 3GPP TSG SA WG2 #129 S 2-1811208, 19 October 2018 (2018-10-19), XP051540056, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_sa/WG2_Arch/TSGS2_129_Dongguan/Docs/S2-1811208.zip> [retrieved on 20190313] *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2022176026A1 (fr) * 2021-02-16 2022-08-25
WO2022176026A1 (fr) * 2021-02-16 2022-08-25 三菱電機株式会社 Traducteur de réseau et traducteur de dispositif
JP7258261B2 (ja) 2021-02-16 2023-04-14 三菱電機株式会社 ネットワークトランスレータおよびデバイストランスレータ
KR20230121934A (ko) * 2021-02-16 2023-08-21 미쓰비시덴키 가부시키가이샤 네트워크 트랜슬레이터 및 디바이스 트랜슬레이터
KR102628183B1 (ko) 2021-02-16 2024-01-23 미쓰비시덴키 가부시키가이샤 네트워크 트랜슬레이터 및 디바이스 트랜슬레이터

Also Published As

Publication number Publication date
JP2023058607A (ja) 2023-04-25
JPWO2020165979A1 (ja) 2021-12-09

Similar Documents

Publication Publication Date Title
EP3174257B1 (fr) Procédé et dispositif d&#39;émission et de réception de signaux de synchronisation
WO2020217539A1 (fr) Dispositif utilisateur
JP7488255B2 (ja) 無線通信ノード
JP2023058607A (ja) 無線基地局及びユーザ装置
WO2020217488A1 (fr) Station de base sans fil
WO2021064975A1 (fr) Dispositif d&#39;utilisateur et procédé de communication
WO2020222271A1 (fr) Dispositif d&#39;utilisateur et procédé de communication
WO2020170460A1 (fr) Station de base sans fil et équipement utilisateur
WO2021161489A1 (fr) Terminal, station de base et procédé de communication
CN114009085B (zh) 终端
US20220286880A1 (en) Terminal and communication method
WO2020065802A1 (fr) Dispositif utilisateur
JPWO2020170404A1 (ja) ユーザ装置
JP7165816B2 (ja) 無線基地局
US20230300917A1 (en) Terminal
CN113678518B (zh) 用户装置及无线基站
WO2020165957A1 (fr) Dispositif de communication
WO2021070388A1 (fr) Terminal
WO2020202403A1 (fr) Appareil de relais et procédé de communication
WO2020255420A1 (fr) Terminal
WO2021038861A1 (fr) Équipement de commutation et procédé de communication
WO2021019701A1 (fr) Terminal et nœud de communication
WO2020222270A1 (fr) Équipement d&#39;utilisateur et procédé de communication
WO2020166019A1 (fr) Équipement utilisateur
WO2020144834A1 (fr) Dispositif d&#39;utilisateur et procédé de communication

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: 19915047

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020571970

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19915047

Country of ref document: EP

Kind code of ref document: A1